qcast-front/src/util/qpolygon-utils.js

import { fabric } from 'fabric'
import { QLine } from '@/components/fabric/QLine'
import {
  calculateIntersection,
  distanceBetweenPoints,
  findClosestPoint,
  getDegreeByChon,
  getDirectionByPoint,
  isPointOnLine,
} from '@/util/canvas-util'

import { QPolygon } from '@/components/fabric/QPolygon'
import * as turf from '@turf/turf'
import { LINE_TYPE, POLYGON_TYPE } from '@/common/common'
import { OUTER_LINE_TYPE } from '@/store/outerLineAtom'

const TWO_PI = Math.PI * 2

export const defineQPloygon = () => {
  fabric.QPolygon.fromObject = function (object, callback) {
    fabric.Object._fromObject('QPolygon', object, callback, 'points')
  }
}

export const drawHelpLineInHexagon = (polygon, pitch) => {
  const centerLines = drawCenterLines(polygon)

  let helpLines = []

  const interSectionPoints = []
  const tempInterSectionPoints = []

  const ridgeStartPoints = []
  const ridgeEndPoints = []

  let centerInterSectionPoints = []

  // polygon.lines = polygon.lines.sort((a, b) => a.length - b.length)
  polygon.wall.lines = getOneSideLines(polygon.wall)

  const maxLength = Math.max(...polygon.lines.map((line) => line.length))

  polygon.points.forEach((point, index) => {
    const wallPoint = polygon.wall.points[index]

    const angle = Math.atan2(wallPoint.y - point.y, wallPoint.x - point.x)

    const degree = fabric.util.radiansToDegrees(angle)

    const newX2 = Math.floor(point.x + maxLength * Math.cos(angle))
    const newY2 = Math.floor(point.y + maxLength * Math.sin(angle))

    const helpLine = new QLine([point.x, point.y, newX2, newY2], {
      fontSize: polygon.fontSize,
      stroke: 'green',
      startPoint: point,
      degree: degree,
      idx: index,
    })

    // polygon.canvas?.add(helpLine)

    helpLines.push(helpLine)
  })

  helpLines.forEach((line, index) => {
    for (let i = index + 1; i < helpLines.length; i++) {
      const nextLine = helpLines[i]
      if (!line.connectedPoint) {
        line.connectedPoint = null
        line.connectedPoints = []
      }
      if (!nextLine.connectedPoint) {
        nextLine.connectedPoint = null
        nextLine.connectedPoints = []
      }

      const interSectionPoint = calculateIntersection(line, nextLine)

      if (
        interSectionPoint &&
        polygon.inPolygon(interSectionPoint) &&
        polygon.wall.inPolygon(interSectionPoint) &&
        Math.abs(distanceBetweenPoints(line.startPoint, interSectionPoint) - distanceBetweenPoints(nextLine.startPoint, interSectionPoint)) < 2
      ) {
        const area = calculateTriangleArea(line.startPoint, nextLine.startPoint, interSectionPoint)
        const currentLineConnectedPoint = line.connectedPoint
        const nextLineConnectedPoint = nextLine.connectedPoint

        if (area <= 1) {
          return
        }

        if (currentLineConnectedPoint && currentLineConnectedPoint.area < area) {
          return
        }

        //startPoint는 line의 startPoint와 nextLine의 startPoint를 비교하여 x가 같은경우 y가 더 작은 값, y가 같은경우 x가 더 작은 값을 선택한다.
        const startPoint =
          line.startPoint.x === nextLine.startPoint.x
            ? line.startPoint.y < nextLine.startPoint.y
              ? line.startPoint
              : nextLine.startPoint
            : line.startPoint.x < nextLine.startPoint.x
              ? line.startPoint
              : nextLine.startPoint

        const endPoint =
          line.startPoint.x === nextLine.startPoint.x
            ? line.startPoint.y > nextLine.startPoint.y
              ? line.startPoint
              : nextLine.startPoint
            : line.startPoint.x > nextLine.startPoint.x
              ? line.startPoint
              : nextLine.startPoint

        line.connectedPoint = { interSectionPoint, area, startPoint, endPoint }
        line.connectedPoints.push({ interSectionPoint, area, startPoint, endPoint })
        nextLine.connectedPoint = { interSectionPoint, area, startPoint, endPoint }
        nextLine.connectedPoints.push({ interSectionPoint, area, startPoint, endPoint })
      }
    }
  })

  helpLines.forEach((line) => {
    if (line.connectedPoint) {
      tempInterSectionPoints.push(line.connectedPoint)
    }
  })

  // interSectionPoints에서 interSectionPoint가 중복인 값이 있는 경우만 선택한다.
  tempInterSectionPoints.forEach((point) => {
    // intersectionPoint가 중복인 경우
    const isDuplicated =
      tempInterSectionPoints.filter((p) => p.interSectionPoint.x === point.interSectionPoint.x && p.interSectionPoint.y === point.interSectionPoint.y)
        .length > 1
    if (isDuplicated) {
      interSectionPoints.push(point)
    }
  })

  // interSectionPoints에서 interSectionPoint 기준으로 중복을 제거한다.
  const uniqueInterSectionPoints = Array.from(
    new Set(interSectionPoints.map((point) => `${point.interSectionPoint.x},${point.interSectionPoint.y}`)),
  ).map((key) => {
    const { interSectionPoint, area, startPoint, endPoint } = interSectionPoints.find(
      (point) => `${point.interSectionPoint.x},${point.interSectionPoint.y}` === key,
    )
    return { interSectionPoint, area, startPoint, endPoint }
  })

  uniqueInterSectionPoints.forEach((point) => {
    ridgeStartPoints.push(point.interSectionPoint)

    const line = new QLine([point.startPoint.x, point.startPoint.y, point.interSectionPoint.x, point.interSectionPoint.y], {
      stroke: 'purple',
      fontSize: polygon.fontSize,
      name: 'hip',
    })

    const line2 = new QLine([point.endPoint.x, point.endPoint.y, point.interSectionPoint.x, point.interSectionPoint.y], {
      stroke: 'purple',
      fontSize: polygon.fontSize,
      name: 'hip',
    })

    line.startPoint = point.startPoint
    line.endPoint = point.interSectionPoint

    line2.startPoint = point.endPoint
    line2.endPoint = point.interSectionPoint

    polygon.hips.push(line)
    polygon.hips.push(line2)

    polygon.canvas.add(line)
    polygon.canvas.add(line2)
  })

  const removedIdx = []

  helpLines.forEach((line) => {
    const connectedPoints = line.connectedPoints
    connectedPoints.forEach((connectedPoint) => {
      uniqueInterSectionPoints.forEach((point) => {
        const interSectionPoint = point.interSectionPoint

        if (connectedPoint.interSectionPoint.x === interSectionPoint.x && connectedPoint.interSectionPoint.y === interSectionPoint.y) {
          removedIdx.push(line.idx)
        }
      })
    })
  })

  let notIntersectedLines = helpLines.filter((line) => !removedIdx.includes(line.idx))

  notIntersectedLines = notIntersectedLines.map((line) => {
    return { ...line, centerInterSectionPoints: [] }
  })

  notIntersectedLines.forEach((line) => {
    centerLines.forEach((centerLine) => {
      const interSectionPoint = calculateIntersection(line, centerLine)

      if (interSectionPoint && polygon.inPolygon(interSectionPoint) && polygon.wall.inPolygon(interSectionPoint)) {
        line.centerInterSectionPoints.push(interSectionPoint)
        interSectionPoint.lineIdx = line.idx
        centerInterSectionPoints.push(interSectionPoint)
      }
    })
  })

  // centerInterSectionPoints에서 ridgeStartPoints와 x가 같거나 y가 같은것중 가장 가까운 점들을 찾는다.
  ridgeStartPoints.forEach((point) => {
    const xPoints = centerInterSectionPoints.filter((centerPoint) => Math.abs(centerPoint.x - point.x) < 2)

    const yPoints = centerInterSectionPoints.filter((centerPoint) => Math.abs(centerPoint.y - point.y) < 2)
    let closestPoint
    if (xPoints.length === 0) {
      closestPoint = findClosestPoint(point, yPoints)
    } else if (yPoints.length === 0) {
      closestPoint = findClosestPoint(point, xPoints)
    }

    if (closestPoint) {
      const line = new QLine([point.x, point.y, closestPoint.x, closestPoint.y], {
        stroke: 'purple',
        fontSize: polygon.fontSize,
        name: 'ridge',
        direction: getDirectionByPoint(point, closestPoint),
      })

      line.startPoint = point
      line.endPoint = closestPoint

      polygon.ridges.push(line)
      polygon.canvas.add(line)
      ridgeEndPoints.push(closestPoint)

      notIntersectedLines = notIntersectedLines.filter((line) => line.idx !== closestPoint.lineIdx)
    }
  })

  centerInterSectionPoints = []
  notIntersectedLines.forEach((line) => {
    centerInterSectionPoints.push(...line.centerInterSectionPoints)
  })

  // ridgeEndPoints끼리 이어준다.
  const remainingPoints = [...ridgeEndPoints]

  // ridgeEndPoint에서 centerInterSectionPoints와 45도인 점을 찾아 이어준다.

  ridgeEndPoints.forEach((ridgePoint) => {
    const filteredCenterInterSectionPoints = centerInterSectionPoints.filter((centerPoint) => {
      const degree = calculateAngle(ridgePoint, centerPoint)
      return Math.abs(degree) === 45 || Math.abs(degree) === 135
    })[0]

    if (filteredCenterInterSectionPoints) {
      const line = new QLine([ridgePoint.x, ridgePoint.y, filteredCenterInterSectionPoints.x, filteredCenterInterSectionPoints.y], {
        stroke: 'purple',
        fontSize: polygon.fontSize,
        name: 'hip',
      })

      if (line.length === 0) {
        return
      }

      line.startPoint = ridgePoint
      line.endPoint = filteredCenterInterSectionPoints

      polygon.hips.push(line)
      polygon.canvas.add(line)

      ridgeStartPoints.push(filteredCenterInterSectionPoints)

      polygon.points.forEach((point) => {
        const degree = calculateAngle(ridgePoint, point)

        if (Math.abs(degree) % 45 < 1) {
          const line = new QLine([ridgePoint.x, ridgePoint.y, point.x, point.y], {
            stroke: 'purple',
            fontSize: polygon.fontSize,
            name: 'hip',
          })

          polygon.hips.push(line)
          polygon.canvas.add(line)
        }
      })
    }
  })

  // ridgeEndPoint끼리 연결한다.
  while (remainingPoints.length > 1) {
    const startPoint = remainingPoints.shift()
    const endPoint = remainingPoints.shift()

    if (!(startPoint.x === endPoint.x && startPoint.y === endPoint.y)) {
      const line = new QLine([startPoint.x, startPoint.y, endPoint.x, endPoint.y], {
        stroke: 'purple',
        fontSize: polygon.fontSize,
        name: 'connectRidge',
      })

      line.startPoint = startPoint
      line.endPoint = endPoint

      polygon.connectRidges.push(line)

      polygon.points.forEach((point) => {
        const degree = calculateAngle(startPoint, point)

        if (Math.abs(degree) === 45 || Math.abs(degree) === 135) {
          const line = new QLine([startPoint.x, startPoint.y, point.x, point.y], {
            stroke: 'purple',
            fontSize: polygon.fontSize,
            name: 'hip',
          })

          line.startPoint = startPoint
          line.endPoint = point

          polygon.hips.push(line)
          polygon.canvas.add(line)
        }
      })

      polygon.points.forEach((point) => {
        const degree = calculateAngle(endPoint, point)

        if (Math.abs(degree) === 45 || Math.abs(degree) === 135) {
          const line = new QLine([endPoint.x, endPoint.y, point.x, point.y], {
            stroke: 'purple',
            fontSize: polygon.fontSize,
            name: 'hip',
          })

          line.startPoint = endPoint
          line.endPoint = point

          polygon.hips.push(line)
          polygon.canvas.add(line)
        }
      })

      polygon.canvas.add(line)
    } else {
      polygon.points.forEach((point) => {
        const degree = calculateAngle(startPoint, point)

        if (Math.abs(degree) === 45 || Math.abs(degree) === 135) {
          const line = new QLine([startPoint.x, startPoint.y, point.x, point.y], {
            stroke: 'purple',
            fontSize: polygon.fontSize,
            name: 'hip',
          })

          line.startPoint = startPoint
          line.endPoint = point

          polygon.hips.push(line)
          polygon.canvas.add(line)
        }
      })
    }
  }
}

export const drawCenterLines = (polygon) => {
  const centerLines = []

  const oneSideLines = polygon.lines.map((line) => getOneSideLine(line))

  const horizontalLines = oneSideLines.filter((line) => line.direction === 'right')
  const verticalLines = oneSideLines.filter((line) => line.direction === 'bottom')
  // horizontalLines 를 y1 좌표 기준으로 정렬한다.
  horizontalLines.sort((a, b) => a.y1 - b.y1)
  // verticalLines 를 x1 좌표 기준으로 정렬한다.
  verticalLines.sort((a, b) => a.x1 - b.x1)

  let maxHorizontalLineLength = 0
  let maxVerticalLineLength = 0
  // 모든 가로선의 중심선을 긋는다.
  horizontalLines.forEach((line, index) => {
    const nextLine = horizontalLines[(index + 1) % horizontalLines.length]

    polygon.canvas.renderAll()

    const startCenterX = Math.min(line.x1, nextLine.x1)
    const startCenterY = (line.y1 + nextLine.y1) / 2

    const endCenterX = line.x2 > nextLine.x2 ? line.x2 : nextLine.x2
    const endCenterY = startCenterY

    const centerLine = new QLine([startCenterX, startCenterY, endCenterX, endCenterY], {
      fontSize: polygon.fontSize,
      stroke: 'red',
      strokeWidth: 1,
      direction: 'horizontal',
    })

    centerLines.push(centerLine)
  })

  // 모든 세로선의 중심선을 긋는다.
  verticalLines.forEach((line, index) => {
    const nextLine = verticalLines[(index + 1) % verticalLines.length]

    const startCenterX = (line.x1 + nextLine.x1) / 2
    const startCenterY = Math.min(line.y1, nextLine.y1)

    const endCenterX = startCenterX
    let endCenterY = line.y2 > nextLine.y2 ? line.y2 : nextLine.y2

    const centerLine = new QLine([startCenterX, startCenterY, endCenterX, endCenterY], {
      fontSize: polygon.fontSize,
      stroke: 'blue',
      strokeWidth: 1,
      direction: 'vertical',
    })

    centerLines.push(centerLine)
  })

  return centerLines
}

const getOneSideLines = (polygon) => {
  return [...polygon.lines].map((line) => {
    let newX1, newY1, newX2, newY2
    if (line.direction === 'top') {
      newX1 = line.x2
      newY1 = line.y2
      newX2 = line.x1
      newY2 = line.y1

      line.x1 = newX1
      line.y1 = newY1
      line.x2 = newX2
      line.y2 = newY2
      line.direction = 'bottom'
      line.startPoint = { x: newX1, y: newY1 }
      line.endPoint = { x: newX2, y: newY2 }
    } else if (line.direction === 'left') {
      newX1 = line.x2
      newY1 = line.y2
      newX2 = line.x1
      newY2 = line.y1

      line.x1 = newX1
      line.y1 = newY1
      line.x2 = newX2
      line.y2 = newY2
      line.direction = 'right'
      line.startPoint = { x: newX1, y: newY1 }
      line.endPoint = { x: newX2, y: newY2 }
    }
    return line
  })
}
export const calculateAngle = (point1, point2) => {
  const deltaX = point2.x - point1.x
  const deltaY = point2.y - point1.y
  const angleInRadians = Math.atan2(deltaY, deltaX)
  return angleInRadians * (180 / Math.PI)
}

/**
 * 3개의 점을 이용해 직각 이등변 삼각형인지 확인
 * @param point1
 * @param point2
 * @param point3
 * @returns {boolean}
 */
const isRightIsoscelesTriangle = (point1, point2, point3) => {
  const distance = (p1, p2) => Math.sqrt(Math.pow(p2.x - p1.x, 2) + Math.pow(p2.y - p1.y, 2))

  const d1 = distance(point1, point2)
  const d2 = distance(point2, point3)
  const d3 = distance(point3, point1)

  const distances = [d1, d2, d3].sort((a, b) => a - b)

  // Check if the two smaller distances are equal and the largest distance is the hypotenuse
  return distances[0] === distances[1] && Math.abs(Math.pow(distances[0], 2) * 2 - Math.pow(distances[2], 2)) < 1
}

/**
 * 세개의 점으로 삼각형의 넓이를 구한다.
 * @param point1
 * @param point2
 * @param point3
 * @returns {number}
 */
const calculateTriangleArea = (point1, point2, point3) => {
  const { x: x1, y: y1 } = point1
  const { x: x2, y: y2 } = point2
  const { x: x3, y: y3 } = point3

  return Math.abs(x1 * (y2 - y3) + x2 * (y3 - y1) + x3 * (y1 - y2)) / 2
}

// polygon을 나눈다.
export const dividePolygon = (polygon) => {
  let hips = polygon.hips
  const ridges = polygon.ridges.map((ridge) => getOneSideLine(ridge))
  const connectRidges = polygon.connectRidges
  const polygonLines = polygon.lines

  hips.forEach((hip) => {
    // hips의 startPoint와 endPoint를 polygon의 points와 비교하여 같은 점이 endPoint일 경우 startPoint로 변경한다.
    const startPoint = polygon.points.find((point) => point.x === hip.endPoint.x && point.y === hip.endPoint.y)
    if (startPoint) {
      const temp = hip.startPoint
      hip.startPoint = hip.endPoint
      hip.endPoint = temp
    }
  })
  hips = [...hips, ...connectRidges]

  polygonLines.forEach((line, index) => {
    let ridge

    const startPoint = line.startPoint
    const endPoint = line.endPoint
    let polygonPoints = []

    polygonPoints.push(startPoint)

    polygonPoints.push(endPoint)

    const startHip = hips.find((hip) => hip.startPoint.x === startPoint.x && hip.startPoint.y === startPoint.y)
    const endHip = hips.find((hip) => hip.startPoint.x === endPoint.x && hip.startPoint.y === endPoint.y)

    if (!startHip || !endHip) {
      return
    }

    if (startHip && endHip && startHip.endPoint.x === endHip.endPoint.x && startHip.endPoint.y === endHip.endPoint.y) {
      polygonPoints.push(startHip.endPoint)

      const newPolygon = new QPolygon(polygonPoints, {
        fontSize: polygon.fontSize,
        parentId: polygon.id,
        name: 'roof',
        selectable: false,
        stroke: 'black',
        fill: 'transparent',
        strokeWidth: 3,
      })

      polygon.canvas.add(newPolygon)
      return
    }

    let connectedRidge
    const restRidgeConnection = connectRidges[0]

    if (!restRidgeConnection || restRidgeConnection.length === 0) {
      connectedRidge = ridges.find(
        (ridge) =>
          (ridge.startPoint.x === startHip.endPoint.x &&
            ridge.startPoint.y === startHip.endPoint.y &&
            ridge.endPoint.x === endHip.endPoint.x &&
            ridge.endPoint.y === endHip.endPoint.y) ||
          (ridge.startPoint.x === endHip.endPoint.x &&
            ridge.startPoint.y === endHip.endPoint.y &&
            ridge.endPoint.x === startHip.endPoint.x &&
            ridge.endPoint.y === startHip.endPoint.y),
      )
    } else {
      connectedRidge = ridges.find(
        (ridge) =>
          (ridge.startPoint.x === startHip.endPoint.x && ridge.startPoint.y === startHip.endPoint.y) ||
          (ridge.endPoint.x === startHip.endPoint.x && ridge.endPoint.y === startHip.endPoint.y),
      )
    }

    const hipStartPoint = startHip.endPoint
    const hipEndPoint = endHip.endPoint

    if (connectedRidge.startPoint.x === hipStartPoint.x && connectedRidge.startPoint.y === hipStartPoint.y) {
      if (connectedRidge.endPoint.x === hipEndPoint.x && connectedRidge.endPoint.y === hipEndPoint.y) {
        polygonPoints.push(connectedRidge.endPoint)
        polygonPoints.push(connectedRidge.startPoint)

        const newPolygon = new QPolygon(polygonPoints, {
          fontSize: polygon.fontSize,
          parentId: polygon.id,
          name: 'roof',
          selectable: false,
          stroke: 'black',
          fill: 'transparent',
          strokeWidth: 3,
        })

        polygon.canvas.add(newPolygon)
        return
      }
    } else if (connectedRidge.endPoint.x === hipStartPoint.x && connectedRidge.endPoint.y === hipStartPoint.y) {
      if (connectedRidge.startPoint.x === hipEndPoint.x && connectedRidge.startPoint.y === hipEndPoint.y) {
        polygonPoints.push(connectedRidge.startPoint)
        polygonPoints.push(connectedRidge.endPoint)

        const newPolygon = new QPolygon(polygonPoints, {
          fontSize: polygon.fontSize,
          parentId: polygon.id,
          name: 'roof',
          selectable: false,
          stroke: 'black',
          fill: 'transparent',
          strokeWidth: 3,
          sort: true,
        })

        polygon.canvas.add(newPolygon)
        return
      }
    }

    // 지붕이 꺾여있는 경우

    if (
      (restRidgeConnection.startPoint.x === startHip.endPoint.x && restRidgeConnection.startPoint.y === startHip.endPoint.y) ||
      (restRidgeConnection.endPoint.x === startHip.endPoint.x && restRidgeConnection.endPoint.y === startHip.endPoint.y)
    ) {
      polygonPoints = [startPoint, startHip.endPoint]
      let lastPoint

      if (restRidgeConnection.startPoint.x === startHip.endPoint.x && restRidgeConnection.startPoint.y === startHip.endPoint.y) {
        lastPoint = restRidgeConnection.endPoint
        polygonPoints.push(restRidgeConnection.endPoint)
      } else {
        lastPoint = restRidgeConnection.startPoint
        polygonPoints.push(restRidgeConnection.startPoint)
      }

      connectedRidge = ridges.find(
        (ridge) =>
          (ridge.startPoint.x === lastPoint.x && ridge.startPoint.y === lastPoint.y) ||
          (ridge.endPoint.x === lastPoint.x && ridge.endPoint.y === lastPoint.y),
      )

      if (connectedRidge.startPoint.x === lastPoint.x && connectedRidge.startPoint.y === lastPoint.y) {
        polygonPoints.push(connectedRidge.endPoint)
      } else {
        polygonPoints.push(connectedRidge.startPoint)
      }

      polygonPoints.push(endPoint)
    } else {
      polygonPoints = [endPoint, endHip.endPoint]
      let lastPoint

      if (restRidgeConnection.startPoint.x === endHip.endPoint.x && restRidgeConnection.startPoint.y === endHip.endPoint.y) {
        lastPoint = restRidgeConnection.endPoint
        polygonPoints.push(restRidgeConnection.endPoint)
      } else {
        lastPoint = restRidgeConnection.startPoint
        polygonPoints.push(restRidgeConnection.startPoint)
      }

      connectedRidge = ridges.find(
        (ridge) =>
          (ridge.startPoint.x === lastPoint.x && ridge.startPoint.y === lastPoint.y) ||
          (ridge.endPoint.x === lastPoint.x && ridge.endPoint.y === lastPoint.y),
      )

      if (connectedRidge.startPoint.x === startHip.endPoint.x && connectedRidge.startPoint.y === startHip.endPoint.y) {
        lastPoint = connectedRidge.startPoint
        polygonPoints.push(connectedRidge.startPoint)
      } else {
        lastPoint = connectedRidge.endPoint
        polygonPoints.push(connectedRidge.endPoint)
      }

      polygonPoints.push(startPoint)
    }

    const newPolygon = new QPolygon(polygonPoints, {
      fontSize: polygon.fontSize,
      parentId: polygon.id,
      name: 'roof',
      selectable: false,
      stroke: 'black',
      fill: 'transparent',
      strokeWidth: 3,
    })

    polygon.canvas.add(newPolygon)
  })
}

const getOneSideLine = (line) => {
  // left, top 방향의 line은 right, bottom 방향의 line으로 변경한다.
  const newLine = { ...line }
  let newX1, newY1, newX2, newY2
  if (newLine.direction === 'top') {
    newX1 = newLine.x2
    newY1 = newLine.y2
    newX2 = newLine.x1
    newY2 = newLine.y1

    newLine.x1 = newX1
    newLine.y1 = newY1
    newLine.x2 = newX2
    newLine.y2 = newY2
    newLine.direction = 'bottom'
    newLine.startPoint = { x: newX1, y: newY1 }
    newLine.endPoint = { x: newX2, y: newY2 }
  } else if (line.direction === 'left') {
    newX1 = newLine.x2
    newY1 = newLine.y2
    newX2 = newLine.x1
    newY2 = newLine.y1

    newLine.x1 = newX1
    newLine.y1 = newY1
    newLine.x2 = newX2
    newLine.y2 = newY2
    newLine.direction = 'right'
    newLine.startPoint = { x: newX1, y: newY1 }
    newLine.endPoint = { x: newX2, y: newY2 }
  }

  return newLine
}

function inwardEdgeNormal(vertex1, vertex2) {
  // Assuming that polygon vertices are in clockwise order
  const dx = vertex2.x - vertex1.x
  const dy = vertex2.y - vertex1.y
  const edgeLength = Math.sqrt(dx * dx + dy * dy)

  return {
    x: -dy / edgeLength,
    y: dx / edgeLength,
  }
}

function outwardEdgeNormal(vertex1, vertex2) {
  var n = inwardEdgeNormal(vertex1, vertex2)

  return {
    x: -n.x,
    y: -n.y,
  }
}

function createPolygon(vertices) {
  const edges = []
  let minX = vertices.length > 0 ? vertices[0].x : undefined
  let minY = vertices.length > 0 ? vertices[0].y : undefined
  let maxX = minX
  let maxY = minY

  for (let i = 0; i < vertices.length; i++) {
    const vertex1 = vertices[i]
    const vertex2 = vertices[(i + 1) % vertices.length]

    const outwardNormal = outwardEdgeNormal(vertex1, vertex2)

    const inwardNormal = inwardEdgeNormal(vertex1, vertex2)

    const edge = {
      vertex1,
      vertex2,
      index: i,
      outwardNormal,
      inwardNormal,
    }

    edges.push(edge)

    const x = vertices[i].x
    const y = vertices[i].y
    minX = Math.min(x, minX)
    minY = Math.min(y, minY)
    maxX = Math.max(x, maxX)
    maxY = Math.max(y, maxY)
  }

  return {
    vertices,
    edges,
    minX,
    minY,
    maxX,
    maxY,
  }
}

// based on http://local.wasp.uwa.edu.au/~pbourke/geometry/lineline2d/, edgeA => "line a", edgeB => "line b"

function edgesIntersection(edgeA, edgeB) {
  const den =
    (edgeB.vertex2.y - edgeB.vertex1.y) * (edgeA.vertex2.x - edgeA.vertex1.x) -
    (edgeB.vertex2.x - edgeB.vertex1.x) * (edgeA.vertex2.y - edgeA.vertex1.y)

  if (den == 0) {
    return null // lines are parallel or coincident
  }

  const ua =
    ((edgeB.vertex2.x - edgeB.vertex1.x) * (edgeA.vertex1.y - edgeB.vertex1.y) -
      (edgeB.vertex2.y - edgeB.vertex1.y) * (edgeA.vertex1.x - edgeB.vertex1.x)) /
    den

  const ub =
    ((edgeA.vertex2.x - edgeA.vertex1.x) * (edgeA.vertex1.y - edgeB.vertex1.y) -
      (edgeA.vertex2.y - edgeA.vertex1.y) * (edgeA.vertex1.x - edgeB.vertex1.x)) /
    den

  // Edges are not intersecting but the lines defined by them are
  const isIntersectionOutside = ua < 0 || ub < 0 || ua > 1 || ub > 1

  return {
    x: edgeA.vertex1.x + ua * (edgeA.vertex2.x - edgeA.vertex1.x),
    y: edgeA.vertex1.y + ua * (edgeA.vertex2.y - edgeA.vertex1.y),
    isIntersectionOutside,
  }
}

function appendArc(arcSegments, vertices, center, radius, startVertex, endVertex, isPaddingBoundary) {
  var startAngle = Math.atan2(startVertex.y - center.y, startVertex.x - center.x)
  var endAngle = Math.atan2(endVertex.y - center.y, endVertex.x - center.x)

  if (startAngle < 0) {
    startAngle += TWO_PI
  }

  if (endAngle < 0) {
    endAngle += TWO_PI
  }

  const angle = startAngle > endAngle ? startAngle - endAngle : startAngle + TWO_PI - endAngle
  const angleStep = (isPaddingBoundary ? -angle : TWO_PI - angle) / arcSegments

  vertices.push(startVertex)

  for (let i = 1; i < arcSegments; ++i) {
    const angle = startAngle + angleStep * i

    const vertex = {
      x: center.x + Math.cos(angle) * radius,
      y: center.y + Math.sin(angle) * radius,
    }

    vertices.push(vertex)
  }

  vertices.push(endVertex)
}

function createOffsetEdge(edge, dx, dy) {
  return {
    vertex1: {
      x: edge.vertex1.x + dx,
      y: edge.vertex1.y + dy,
    },
    vertex2: {
      x: edge.vertex2.x + dx,
      y: edge.vertex2.y + dy,
    },
  }
}

function createMarginPolygon(polygon, offset, arcSegments = 0) {
  const offsetEdges = []

  for (let i = 0; i < polygon.edges.length; i++) {
    const edge = polygon.edges[i]
    const dx = edge.outwardNormal.x * offset
    const dy = edge.outwardNormal.y * offset
    offsetEdges.push(createOffsetEdge(edge, dx, dy))
  }

  const vertices = []

  for (let i = 0; i < offsetEdges.length; i++) {
    const thisEdge = offsetEdges[i]
    const prevEdge = offsetEdges[(i + offsetEdges.length - 1) % offsetEdges.length]
    const vertex = edgesIntersection(prevEdge, thisEdge)

    if (vertex && (!vertex.isIntersectionOutside || arcSegments < 1)) {
      vertices.push({
        x: vertex.x,
        y: vertex.y,
      })
    } else {
      const arcCenter = polygon.edges[i].vertex1

      appendArc(arcSegments, vertices, arcCenter, offset, prevEdge.vertex2, thisEdge.vertex1, false)
    }
  }

  const marginPolygon = createPolygon(vertices)

  marginPolygon.offsetEdges = offsetEdges

  return marginPolygon
}

function createPaddingPolygon(polygon, offset, arcSegments = 0) {
  const offsetEdges = []

  for (let i = 0; i < polygon.edges.length; i++) {
    const edge = polygon.edges[i]
    const dx = edge.inwardNormal.x * offset
    const dy = edge.inwardNormal.y * offset
    offsetEdges.push(createOffsetEdge(edge, dx, dy))
  }

  const vertices = []

  for (let i = 0; i < offsetEdges.length; i++) {
    const thisEdge = offsetEdges[i]
    const prevEdge = offsetEdges[(i + offsetEdges.length - 1) % offsetEdges.length]
    const vertex = edgesIntersection(prevEdge, thisEdge)
    if (vertex && (!vertex.isIntersectionOutside || arcSegments < 1)) {
      vertices.push({
        x: vertex.x,
        y: vertex.y,
      })
    } else {
      const arcCenter = polygon.edges[i].vertex1

      appendArc(arcSegments, vertices, arcCenter, offset, prevEdge.vertex2, thisEdge.vertex1, true)
    }
  }

  const paddingPolygon = createPolygon(vertices)

  paddingPolygon.offsetEdges = offsetEdges

  return paddingPolygon
}

export default function offsetPolygon(vertices, offset) {
  const polygon = createPolygon(vertices)
  const arcSegments = 0

  const originPolygon = new QPolygon(vertices, { fontSize: 0 })

  if (offset > 0) {
    let result = createMarginPolygon(polygon, offset, arcSegments).vertices
    const allPointsOutside = result.every((point) => !originPolygon.inPolygon(point))

    if (allPointsOutside) {
      return createMarginPolygon(polygon, offset, arcSegments).vertices
    } else {
      return createPaddingPolygon(polygon, offset, arcSegments).vertices
    }
  } else {
    let result = createPaddingPolygon(polygon, offset, arcSegments).vertices
    const allPointsInside = result.every((point) => originPolygon.inPolygon(point))

    if (allPointsInside) {
      return createPaddingPolygon(polygon, offset, arcSegments).vertices
    } else {
      return createMarginPolygon(polygon, offset, arcSegments).vertices
    }
  }
}

/*export const splitPolygonWithLines = (polygon) => {
  const roofs = []
  const allLines = [...polygon.innerLines]

  const polygonLines = polygon.lines
  const innerLines = polygon.innerLines

  allLines.forEach((line) => {
    line.startPoint = { x: line.x1, y: line.y1 }
    line.endPoint = { x: line.x2, y: line.y2 }
  })

  // allLines에 x1,y1,x2,y2를 비교해서 중복되는 값을 제거한다.
  allLines.forEach((line, index) => {
    const startPoint = line.startPoint
    const endPoint = line.endPoint

    allLines.forEach((line2, index2) => {
      if (index !== index2) {
        if (
          (isSamePoint(startPoint, line2.startPoint) && isSamePoint(endPoint, line2.endPoint)) ||
          (isSamePoint(endPoint, line2.startPoint) && isSamePoint(startPoint, line2.endPoint))
        ) {
          allLines.splice(index2, 1)
        }
      }
    })
  })

  /!**
   * 좌표 테스트용
   *!/
  /!*allLines.forEach((line) => {
    const text = new fabric.Text(`(${line.startPoint.x},${line.startPoint.y})`, {
      left: line.startPoint.x,
      top: line.startPoint.y,
      fontSize: 15,
    })

    polygon.canvas.add(text)
    polygon.canvas.renderAll()

    const text2 = new fabric.Text(`(${line.endPoint.x},${line.endPoint.y})`, {
      left: line.endPoint.x,
      top: line.endPoint.y,
      fontSize: 15,
    })

    polygon.canvas.add(text2)
    polygon.canvas.renderAll()
  })

  polygon.points.forEach((point, index) => {
    const text = new fabric.Text(`(${point.x},${point.y})`, {
      left: point.x,
      top: point.y,
      fontSize: 15,
    })

    polygon.canvas.add(text)
    polygon.canvas.renderAll()
  })*!/
  /!**
   * 좌표 테스트용 끝
   *!/

  polygon.points.forEach((point, index) => {
    allLines.forEach((line) => {
      if (line.endPoint.x === point.x && line.endPoint.y === point.y) {
        const temp = line.startPoint
        line.startPoint = line.endPoint
        line.endPoint = temp
      }
    })
  })

  polygon.points.forEach((point, index) => {
    const routes = []

    // 시작점은 시작 hip라인의 출발점
    const startPoint = { x: Math.round(point.x), y: Math.round(point.y) }
    // 도착점은 마지막 hip라인의 끝나는 점
    let endPoint = polygon.points[(index + 1) % polygon.points.length]
    endPoint = { x: Math.round(endPoint.x), y: Math.round(endPoint.y) }

    const startLine = allLines.find((line) => line.startPoint.x === startPoint.x && line.startPoint.y === startPoint.y)
    const endLine = allLines.find((line) => line.startPoint.x === endPoint.x && line.startPoint.y === endPoint.y)

    const arrivalPoint = endLine.endPoint
    routes.push(startLine.startPoint)
    routes.push(startLine.endPoint)

    //hip끼리 만나는 경우는 아무것도 안해도됨
    if (!isSamePoint(startLine.endPoint, arrivalPoint)) {
      // polygon line까지 추가
      const allLinesCopy = [...allLines, ...polygon.lines]
      // hip이 만나지 않는 경우 갈 수 있는 길을 다 돌아야함
      let currentPoint = startLine.endPoint
      let currentLine = startLine
      let movedLines = []
      let subMovedLines = []
      while (!isSamePoint(currentPoint, arrivalPoint)) {
        // startHip에서 만나는 출발선 두개. 두개의 선을 출발하여 arrivalPoint에 도착할 때 까지 count를 세고, 더 낮은 count를 가진 길을 선택한다.
        let connectedLines = allLinesCopy.filter((line) => isSamePoint(line.startPoint, currentPoint) || isSamePoint(line.endPoint, currentPoint))

        connectedLines = connectedLines.filter((line) => line !== currentLine)

        connectedLines = connectedLines.filter((line) => !subMovedLines.includes(line))

        //마지막 선이 endLine의 startPoint와 같은경우 그 전까지 movedLine을 제거한다.
        const endLineMeetLineCnt = connectedLines.filter((line) => {
          return isSamePoint(line.endPoint, endLine.startPoint) || isSamePoint(line.startPoint, endLine.startPoint)
        }).length

        if (endLineMeetLineCnt !== 0) {
          movedLines.push(subMovedLines)

          console.log(movedLines, index)
        }

        connectedLines = connectedLines.filter((line) => {
          return !isSamePoint(line.endPoint, endLine.startPoint) && !isSamePoint(line.startPoint, endLine.startPoint)
        })

        if (connectedLines.length === 0) {
          return
        }

        let tempPoints = []

        for (let i = 0; i < connectedLines.length; i++) {
          if (isSamePoint(connectedLines[i].startPoint, currentPoint)) {
            tempPoints.push({ point: connectedLines[i].endPoint, index: i, line: connectedLines[i] })
          } else {
            tempPoints.push({ point: connectedLines[i].startPoint, index: i, line: connectedLines[i] })
          }
        }

        //tempPoints에서 arrivalPoint와 가장 가까운 점을 찾는다.
        let minDistance = Number.MAX_SAFE_INTEGER
        let minIndex = 0
        tempPoints.forEach((tempPoint, index) => {
          const distance = Math.sqrt(Math.pow(tempPoint.point.x - arrivalPoint.x, 2) + Math.pow(tempPoint.point.y - arrivalPoint.y, 2))
          if (distance < minDistance) {
            minDistance = distance
            minIndex = tempPoint.index
          }
        })

        currentPoint = tempPoints[minIndex].point
        currentLine = tempPoints[minIndex].line
        if (currentLine !== startLine) {
          subMovedLines.push(currentLine)
        }
        routes.push(currentPoint)
      }
    }

    routes.push(endLine.startPoint)
    roofs.push(routes)
  })

  // 중복 제거
  roofs.forEach((roofPoint, index) => {
    const samePointLengthRoofPoints = roofs.filter((roof) => roof.length === roofPoint.length && roof !== roofPoint)

    samePointLengthRoofPoints.forEach((samePointRoof) => {
      if (arraysHaveSamePoints(samePointRoof, roofPoint)) {
        roofs.splice(roofs.indexOf(samePointRoof), 1)
      }
    })
  })

  roofs.forEach((roofPoint, index) => {
    let defense, pitch
    const direction = getDirectionByPoint(roofPoint[0], roofPoint[roofPoint.length - 1])

    switch (direction) {
      case 'top':
        defense = 'east'
        break
      case 'right':
        defense = 'south'
        break
      case 'bottom':
        defense = 'west'
        break
      case 'left':
        defense = 'north'
        break
    }
    pitch = polygon.lines[index].attributes?.pitch ?? 0

    const roof = new QPolygon(roofPoint, {
      fontSize: polygon.fontSize,
      stroke: 'black',
      fill: 'transparent',
      strokeWidth: 3,
      name: POLYGON_TYPE.ROOF,
      originX: 'center',
      originY: 'center',
      selectable: true,
      defense: defense,
      direction: defense,
      pitch: pitch,
    })

    polygon.canvas.add(roof)
    polygon.canvas.renderAll()
  })
}*/

function normalizePoint(point) {
  return {
    x: Math.round(point.x),
    y: Math.round(point.y),
  }
}

function arePolygonsEqual(polygon1, polygon2) {
  if (polygon1.length !== polygon2.length) return false

  const normalizedPolygon1 = polygon1.map(normalizePoint).sort((a, b) => a.x - b.x || a.y - b.y)
  const normalizedPolygon2 = polygon2.map(normalizePoint).sort((a, b) => a.x - b.x || a.y - b.y)

  return normalizedPolygon1.every((point, index) => arePointsEqual(point, normalizedPolygon2[index]))
}

export function removeDuplicatePolygons(polygons) {
  const uniquePolygons = []

  polygons.forEach((polygon) => {
    const isDuplicate = uniquePolygons.some((uniquePolygon) => arePolygonsEqual(polygon, uniquePolygon))
    if (!isDuplicate) {
      uniquePolygons.push(polygon)
    }
  })

  return uniquePolygons
}

export const isSamePoint = (a, b) => {
  return Math.abs(Math.round(a.x) - Math.round(b.x)) <= 1 && Math.abs(Math.round(a.y) - Math.round(b.y)) <= 1
}

/**
 * Calculate the angle between two lines.
 * @param {Object} line1 - The first line defined by two points {x1, y1} and {x2, y2}.
 * @param {Object} line2 - The second line defined by two points {x1, y1} and {x2, y2}.
 * @returns {number} - The angle between the two lines in degrees.
 */
function calculateAngleBetweenLines(line1, line2) {
  const { x1: x1_1, y1: y1_1, x2: x2_1, y2: y2_1 } = line1
  const { x1: x1_2, y1: y1_2, x2: x2_2, y2: y2_2 } = line2

  // Calculate direction vectors
  const vector1 = { x: x2_1 - x1_1, y: y2_1 - y1_1 }
  const vector2 = { x: x2_2 - x1_2, y: y2_2 - y1_2 }

  // Calculate dot product and magnitudes
  const dotProduct = vector1.x * vector2.x + vector1.y * vector2.y
  const magnitude1 = Math.sqrt(vector1.x * vector1.x + vector1.y * vector1.y)
  const magnitude2 = Math.sqrt(vector2.x * vector2.x + vector2.y * vector2.y)

  // Calculate the cosine of the angle
  const cosTheta = dotProduct / (magnitude1 * magnitude2)

  // Calculate the angle in radians and then convert to degrees
  const angleInRadians = Math.acos(cosTheta)

  return (angleInRadians * 180) / Math.PI
}

/**
 * 한쪽흐름 지붕
 * @param roofId
 * @param canvas
 */
export const drawShedRoof = (roofId, canvas) => {
  const roof = canvas?.getObjects().find((object) => object.id === roofId)
  const hasNonParallelLines = roof.lines.filter((line) => line.x1 !== line.x2 && line.y1 !== line.y2)
  if (hasNonParallelLines.length > 0) {
    alert('대각선이 존재합니다.')
    return
  }

  const sheds = roof.lines.filter((line) => line.attributes !== undefined && line.attributes.type === LINE_TYPE.WALLLINE.SHED)
  const eaves = roof.lines.filter((line) => line.attributes !== undefined && line.attributes.type === LINE_TYPE.WALLLINE.EAVES)
  const gables = roof.lines.filter((line) => line.attributes !== undefined && line.attributes.type === LINE_TYPE.WALLLINE.GABLE)

  console.log('gable', gables)

  let shedDegree = sheds[0].attributes.degree || 0
  const shedChon = sheds[0].attributes.pitch || 0

  if (shedDegree === 0) {
    shedDegree = getDegreeByChon(shedChon)
  }
  const getHeight = function (adjust, degree) {
    return Math.tan(degree * (Math.PI / 180)) * adjust
  }

  gables.forEach((gable) => {
    const adjust = gable.attributes.planeSize
    const height = getHeight(adjust, shedDegree)
    gable.attributes.actualSize = Math.round(Math.sqrt(Math.pow(adjust, 2) + Math.pow(height, 2)))
  })
}

export const drawRidgeRoof = (roofId, canvas) => {
  const roof = canvas?.getObjects().find((object) => object.id === roofId)
  const hasNonParallelLines = roof.lines.filter((line) => line.x1 !== line.x2 && line.y1 !== line.y2)
  if (hasNonParallelLines.length > 0) {
    alert('대각선이 존재합니다.')
    return
  }
  drawRidge(roof, canvas)
  drawHips(roof, canvas)
  connectLinePoint(roof, canvas)
  modifyRidge(roof, canvas)
}

/**
 * 마루가 존재하면 그린다. 마루는 지붕의 중간에 위치한다.
 *
 * @param roof
 * @param canvas
 */
const drawRidge = (roof, canvas) => {
  const wallLines = canvas?.getObjects().find((object) => object.name === POLYGON_TYPE.WALL && object.attributes.roofId === roof.id).lines // 외벽의 라인
  const roofLines = roof.lines // 지붕의 라인
  let ridgeRoof = []

  roofLines.forEach((currentRoof, index) => {
    let prevRoof,
      nextRoof,
      currentWall = wallLines[index]

    prevRoof = index === 0 ? wallLines[wallLines.length - 1] : wallLines[index - 1]
    nextRoof = index === wallLines.length - 1 ? wallLines[0] : index === wallLines.length ? wallLines[1] : wallLines[index + 1]

    if (prevRoof.direction !== nextRoof.direction && currentWall.length <= currentRoof.length) {
      ridgeRoof.push({ index: index, roof: currentRoof, length: currentRoof.length })
    }
  })

  // 지붕의 길이가 짧은 순으로 정렬
  ridgeRoof.sort((a, b) => a.length - b.length)

  ridgeRoof.forEach((item) => {
    if (getMaxRidge(roofLines.length) > roof.ridges.length) {
      let index = item.index,
        beforePrevRoof,
        prevRoof,
        currentRoof = item.roof,
        nextRoof,
        afterNextRoof
      let startXPoint, startYPoint, endXPoint, endYPoint

      prevRoof = index === 0 ? roofLines[wallLines.length - 1] : roofLines[index - 1]
      nextRoof = index === roofLines.length - 1 ? roofLines[0] : index === roofLines.length ? roofLines[1] : roofLines[index + 1]

      beforePrevRoof = index <= 1 ? roofLines[roofLines.length - 2 + index] : roofLines[index - 2]
      afterNextRoof = index >= roofLines.length - 2 ? roofLines[(index + 2) % roofLines.length] : roofLines[index + 2]

      const anotherRoof = roofLines.filter((roof) => roof !== currentRoof && roof !== prevRoof && roof !== nextRoof)

      let xEqualInnerLines = anotherRoof.filter((roof) => roof.x1 === roof.x2 && isInnerLine(prevRoof, currentRoof, nextRoof, roof)), //x가 같은 내부선
        yEqualInnerLines = anotherRoof.filter((roof) => roof.y1 === roof.y2 && isInnerLine(prevRoof, currentRoof, nextRoof, roof)) //y가 같은 내부선

      let ridgeBaseLength = Math.round((currentRoof.length / 2) * 10) / 10, // 지붕의 기반 길이
        ridgeMaxLength = Math.min(prevRoof.length, nextRoof.length), // 지붕의 최대 길이. 이전, 다음 벽 중 짧은 길이
        ridgeAcrossLength = Math.round((ridgeMaxLength - currentRoof.length) * 10) / 10 // 맞은편 벽까지의 길이 - 지붕의 기반 길이

      let acrossRoof = anotherRoof
        .filter((roof) => {
          if (roof.x1 === roof.x2) {
            if ((nextRoof.direction === 'right' && roof.x1 > currentRoof.x1) || (nextRoof.direction === 'left' && roof.x1 < currentRoof.x1)) {
              return roof
            }
          }
          if (roof.y1 === roof.y2) {
            if ((nextRoof.direction === 'top' && roof.y1 < currentRoof.y1) || (nextRoof.direction === 'bottom' && roof.y1 > currentRoof.y1)) {
              return roof
            }
          }
        })
        .reduce((prev, current) => {
          let hasBetweenRoof = false
          if (current.x1 === current.x2) {
            hasBetweenRoof = roofLines
              .filter((roof) => roof !== current && roof !== currentRoof)
              .some((line) => {
                let currentY2 = currentRoof.y2
                if (yEqualInnerLines.length > 0) {
                  yEqualInnerLines.forEach((line) => {
                    currentY2 = Math.abs(currentRoof.y1 - currentY2) < Math.abs(currentRoof.y1 - line.y1) ? currentY2 : line.y1
                  })
                }
                const isY1Between = (line.y1 > currentRoof.y1 && line.y1 < currentY2) || (line.y1 > currentY2 && line.y1 < currentRoof.y1)
                const isY2Between = (line.y2 > currentRoof.y1 && line.y2 < currentY2) || (line.y2 > currentY2 && line.y2 < currentRoof.y1)
                const isX1Between = (line.x1 > currentRoof.x1 && line.x1 < current.x1) || (line.x1 > currentRoof.x1 && line.x1 < current.x1)
                const isX2Between = (line.x2 > currentRoof.x1 && line.x2 < current.x1) || (line.x2 > currentRoof.x1 && line.x2 < current.x1)
                return isY1Between && isY2Between && isX1Between && isX2Between
              })
          }
          if (current.y1 === current.y2) {
            hasBetweenRoof = wallLines
              .filter((roof) => roof !== current && roof !== currentRoof)
              .some((line) => {
                let currentX2 = currentRoof.x2
                if (xEqualInnerLines.length > 0) {
                  xEqualInnerLines.forEach((line) => {
                    currentX2 = Math.abs(currentRoof.x1 - currentX2) < Math.abs(currentRoof.x1 - line.x1) ? currentX2 : line.x1
                  })
                }
                const isX1Between = (line.x1 > currentRoof.x1 && line.x1 < currentX2) || (line.x1 > currentX2 && line.x1 < currentRoof.x1)
                const isX2Between = (line.x2 > currentRoof.x1 && line.x2 < currentX2) || (line.x2 > currentX2 && line.x2 < currentRoof.x1)
                const isY1Between = (line.y1 > currentRoof.y1 && line.y1 < current.y1) || (line.y1 > currentRoof.y1 && line.y1 < current.y1)
                const isY2Between = (line.y2 > currentRoof.y1 && line.y2 < current.y1) || (line.y2 > currentRoof.y1 && line.y2 < current.y1)

                return isX1Between && isX2Between && isY1Between && isY2Between
              })
          }

          if (prev !== undefined) {
            if (currentRoof.x1 === currentRoof.x2) {
              return Math.abs(currentRoof.y1 - prev.y1) > Math.abs(currentRoof.y1 - current.y1) ? prev : current
            }
            if (currentRoof.y1 === currentRoof.y2) {
              return Math.abs(currentRoof.x1 - prev.x1) > Math.abs(currentRoof.x1 - current.x1) ? prev : current
            }
          } else {
            if (!hasBetweenRoof) {
              if (currentRoof.x1 === currentRoof.x2) {
                return Math.sign(currentRoof.y1 - currentRoof.y2) !== Math.sign(current.y1 - current.y2) ? current : undefined
              }
              if (currentRoof.y1 === currentRoof.y2) {
                return Math.sign(currentRoof.x1 - currentRoof.x2) !== Math.sign(current.x1 - current.x2) ? current : undefined
              }
              return undefined
            } else {
              return undefined
            }
          }
        }, undefined)

      if (acrossRoof !== undefined) {
        if (currentRoof.x1 === currentRoof.x2) {
          if (ridgeAcrossLength < Math.abs(currentRoof.x1 - acrossRoof.x1)) {
            ridgeAcrossLength = Math.round((Math.round(Math.abs(currentRoof.x1 - acrossRoof.x1) * 10) / 10 - currentRoof.length) * 10) / 10
          }
        }
        if (currentRoof.y1 === currentRoof.y2) {
          if (ridgeAcrossLength < Math.abs(currentRoof.y1 - acrossRoof.y1)) {
            ridgeAcrossLength = Math.round((Math.round(Math.abs(currentRoof.y1 - acrossRoof.y1) * 10) / 10 - currentRoof.length) * 10) / 10
          }
        }
      }

      if (ridgeBaseLength > 0 && ridgeMaxLength > 0 && ridgeAcrossLength > 0) {
        let ridgeLength = Math.min(ridgeMaxLength, ridgeAcrossLength)
        if (currentRoof.x1 === currentRoof.x2) {
          startXPoint = currentRoof.x1 + (nextRoof.direction === 'right' ? 1 : -1) * ridgeBaseLength
          startYPoint = currentRoof.y1 + (currentRoof.direction === 'top' ? -1 : 1) * ridgeBaseLength
          endXPoint = startXPoint + (nextRoof.direction === 'right' ? 1 : -1) * ridgeLength
          endYPoint = startYPoint
          let adjustY
          if (currentRoof.direction === 'top') {
            if (afterNextRoof.direction === 'bottom' && beforePrevRoof.direction === 'bottom') {
              adjustY =
                Math.abs(currentRoof.x1 - afterNextRoof.x1) < Math.abs(currentRoof.x1 - beforePrevRoof.x1) ? afterNextRoof.y2 : beforePrevRoof.y1
            } else if (afterNextRoof.direction === 'bottom' && afterNextRoof.y2 > currentRoof.y2 && afterNextRoof.y2 < currentRoof.y1) {
              adjustY = afterNextRoof.y2
            } else if (beforePrevRoof.direction === 'bottom' && beforePrevRoof.y1 > currentRoof.y2 && beforePrevRoof.y1 < currentRoof.y1) {
              adjustY = beforePrevRoof.y1
            }
            if (adjustY) {
              startYPoint = currentRoof.y1 - Math.abs(currentRoof.y1 - adjustY) / 2
              endYPoint = startYPoint
            }
          }
          if (currentRoof.direction === 'bottom') {
            if (afterNextRoof.direction === 'top' && beforePrevRoof.direction === 'top') {
              adjustY =
                Math.abs(currentRoof.x1 - afterNextRoof.x1) < Math.abs(currentRoof.x1 - beforePrevRoof.x1) ? afterNextRoof.y2 : beforePrevRoof.y1
            } else if (afterNextRoof.direction === 'top' && afterNextRoof.y2 < currentRoof.y2 && afterNextRoof.y2 > currentRoof.y1) {
              adjustY = afterNextRoof.y2
            } else if (beforePrevRoof.direction === 'top' && beforePrevRoof.y1 < currentRoof.y2 && beforePrevRoof.y1 > currentRoof.y1) {
              adjustY = beforePrevRoof.y1
            }
            if (adjustY) {
              startYPoint = currentRoof.y1 + Math.abs(currentRoof.y1 - adjustY) / 2
              endYPoint = startYPoint
            }
          }
          if (yEqualInnerLines.length > 0) {
            yEqualInnerLines.reduce((prev, current) => {
              if (prev !== undefined) {
                return Math.abs(currentRoof.y1 - prev.y1) < Math.abs(currentRoof.y1 - current.y1) ? prev : current
              } else {
                return current
              }
            }, undefined)
            startYPoint =
              Math.abs(currentRoof.y1 - startYPoint) * 2 <= Math.abs(currentRoof.y1 - yEqualInnerLines[0].y1)
                ? startYPoint
                : Math.abs(currentRoof.y1 - yEqualInnerLines[0].y1)
            endYPoint = startYPoint
            ridgeAcrossLength = Math.max(prevRoof.length, nextRoof.length) - Math.abs(currentRoof.y1 - startYPoint) * 2
            if (
              //yEqualInnerLines 이 다음 벽보다 안쪽에 있을때
              Math.abs(currentRoof.y1 - yEqualInnerLines[0].y1) <= Math.abs(currentRoof.y1 - nextRoof.y1) &&
              Math.abs(currentRoof.x1 - yEqualInnerLines[0].x2) >= Math.abs(currentRoof.x1 - nextRoof.x2)
            ) {
              ridgeMaxLength = Math.round(Math.abs(currentRoof.x1 - yEqualInnerLines[0].x2) * 10) / 10
            }
            ridgeLength = Math.min(ridgeMaxLength, ridgeAcrossLength)
            startXPoint = currentRoof.x1 + (nextRoof.direction === 'right' ? 1 : -1) * Math.abs(currentRoof.y1 - startYPoint)
            endXPoint = startXPoint + (nextRoof.direction === 'right' ? 1 : -1) * ridgeLength
          }
        }
        if (currentRoof.y1 === currentRoof.y2) {
          startXPoint = currentRoof.x1 + (currentRoof.direction === 'left' ? -1 : 1) * ridgeBaseLength
          startYPoint = currentRoof.y1 + (nextRoof.direction === 'bottom' ? 1 : -1) * ridgeBaseLength
          endXPoint = startXPoint
          endYPoint = startYPoint + (nextRoof.direction === 'bottom' ? 1 : -1) * ridgeLength

          let adjustX
          if (currentRoof.direction === 'right') {
            if (afterNextRoof.direction === 'left' && beforePrevRoof.direction === 'left') {
              adjustX =
                Math.abs(currentRoof.y1 - afterNextRoof.y1) < Math.abs(currentRoof.y1 - beforePrevRoof.y1) ? afterNextRoof.x2 : beforePrevRoof.x1
            } else if (afterNextRoof.direction === 'left' && afterNextRoof.x2 < currentRoof.x2 && afterNextRoof.x2 > currentRoof.x1) {
              adjustX = afterNextRoof.x2
            } else if (beforePrevRoof.direction === 'left' && beforePrevRoof.x1 < currentRoof.x2 && beforePrevRoof.x1 > currentRoof.x1) {
              adjustX = beforePrevRoof.x1
            }
            if (adjustX) {
              startXPoint = currentRoof.x1 + Math.abs(currentRoof.x1 - adjustX) / 2
              endXPoint = startXPoint
            }
          }
          if (currentRoof.direction === 'left') {
            if (afterNextRoof.direction === 'right' && beforePrevRoof.direction === 'right') {
              adjustX =
                Math.abs(currentRoof.y1 - afterNextRoof.y1) < Math.abs(currentRoof.y1 - beforePrevRoof.y1) ? afterNextRoof.x2 : beforePrevRoof.x1
            } else if (afterNextRoof.direction === 'right' && afterNextRoof.x2 > currentRoof.x2 && afterNextRoof.x2 < currentRoof.x1) {
              adjustX = afterNextRoof.x2
            } else if (beforePrevRoof.direction === 'right' && beforePrevRoof.x1 > currentRoof.x2 && beforePrevRoof.x1 < currentRoof.x1) {
              adjustX = beforePrevRoof.x1
            }
            if (adjustX) {
              startXPoint = currentRoof.x1 - Math.abs(currentRoof.x1 - adjustX) / 2
              endXPoint = startXPoint
            }
          }
          if (xEqualInnerLines.length > 0) {
            xEqualInnerLines.reduce((prev, current) => {
              if (prev !== undefined) {
                return Math.abs(currentRoof.x1 - prev.x1) < Math.abs(currentRoof.x1 - current.x1) ? prev : current
              } else {
                return current
              }
            }, undefined)
            startXPoint =
              Math.abs(currentRoof.x1 - startXPoint) * 2 <= Math.abs(currentRoof.x1 - xEqualInnerLines[0].x1)
                ? startXPoint
                : Math.abs(currentRoof.x1 - xEqualInnerLines[0].x1)
            endXPoint = startXPoint
            ridgeAcrossLength = Math.max(prevRoof.length, nextRoof.length) - Math.abs(currentRoof.x1 - startXPoint) * 2
            if (
              //xEqualInnerLines 이 다음 벽보다 안쪽에 있을때
              Math.abs(currentRoof.x1 - xEqualInnerLines[0].x1) <= Math.abs(currentRoof.x1 - nextRoof.x1) &&
              Math.abs(currentRoof.y1 - xEqualInnerLines[0].y2) >= Math.abs(currentRoof.y1 - nextRoof.y2)
            ) {
              ridgeMaxLength = Math.round(Math.abs(currentRoof.y1 - xEqualInnerLines[0].y2) * 10) / 10
            }
            ridgeLength = Math.min(ridgeMaxLength, ridgeAcrossLength)
            startYPoint = currentRoof.y1 + (nextRoof.direction === 'bottom' ? 1 : -1) * Math.abs(currentRoof.x1 - startXPoint)
            endYPoint = startYPoint + (nextRoof.direction === 'bottom' ? 1 : -1) * ridgeLength
          }
        }
      }

      // 마루 그리기
      if (startXPoint !== undefined && startYPoint !== undefined && endXPoint !== undefined && endYPoint !== undefined) {
        startXPoint = Math.round(startXPoint * 10) / 10
        startYPoint = Math.round(startYPoint * 10) / 10
        endXPoint = Math.round(endXPoint * 10) / 10
        endYPoint = Math.round(endYPoint * 10) / 10
        const ridge = new QLine(
          [Math.min(startXPoint, endXPoint), Math.min(startYPoint, endYPoint), Math.max(startXPoint, endXPoint), Math.max(startYPoint, endYPoint)],
          {
            fontSize: roof.fontSize,
            stroke: 'blue',
            strokeWidth: 1,
            name: LINE_TYPE.SUBLINE.RIDGE,
            attributes: { roofId: roof.id },
          },
        )
        ridge.attributes.planeSize = Math.round(Math.sqrt(Math.pow(ridge.x1 - ridge.x2, 2) + Math.pow(ridge.y1 - ridge.y2, 2)) * 10)
        ridge.attributes.actualSize = Math.round(Math.sqrt(Math.pow(ridge.x1 - ridge.x2, 2) + Math.pow(ridge.y1 - ridge.y2, 2)) * 10)

        canvas.add(ridge)
        roof.ridges.push(ridge)
        roof.innerLines.push(ridge)

        const distance = (x1, y1, x2, y2) => Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2))
        const dist1 = distance(startXPoint, startYPoint, currentRoof.x1, currentRoof.y1)
        const dist2 = distance(endXPoint, endYPoint, currentRoof.x1, currentRoof.y1)

        currentRoof.attributes.ridgeCoordinate = {
          x1: dist1 < dist2 ? startXPoint : endXPoint,
          y1: dist1 < dist2 ? startYPoint : endYPoint,
        }
      }
    }
  })

  //겹쳐지는 마루는 하나로 합침
  roof.ridges.forEach((ridge, index) => {
    roof.ridges
      .filter((ridge2) => !(ridge.x1 === ridge2.x1 && ridge.y1 === ridge2.y1 && ridge.x2 === ridge2.x2 && ridge.y2 === ridge2.y2))
      .forEach((ridge2) => {
        let overlap = segmentsOverlap(ridge, ridge2)
        if (overlap) {
          let x1 = Math.min(ridge.x1, ridge2.x1, ridge.x2, ridge2.x2)
          let x2 = Math.max(ridge.x1, ridge2.x1, ridge.x2, ridge2.x2)
          let y1 = Math.min(ridge.y1, ridge2.y1, ridge.y2, ridge2.y2)
          let y2 = Math.max(ridge.y1, ridge2.y1, ridge.y2, ridge2.y2)
          const newRidge = new QLine([x1, y1, x2, y2], {
            fontSize: roof.fontSize,
            stroke: 'blue',
            strokeWidth: 1,
            name: LINE_TYPE.SUBLINE.RIDGE,
            attributes: { roofId: roof.id },
          })
          roof.canvas.remove(ridge)
          roof.canvas.remove(ridge2)
          roof.ridges = roof.ridges.filter((r) => !(ridge.x1 === r.x1 && ridge.y1 === r.y1 && ridge.x2 === r.x2 && ridge.y2 === r.y2))
          roof.ridges = roof.ridges.filter((r) => !(ridge2.x1 === r.x1 && ridge2.y1 === r.y1 && ridge2.x2 === r.x2 && ridge2.y2 === r.y2))
          roof.innerLines = roof.innerLines.filter((r) => !(ridge.x1 === r.x1 && ridge.y1 === r.y1 && ridge.x2 === r.x2 && ridge.y2 === r.y2))
          roof.innerLines = roof.innerLines.filter((r) => !(ridge2.x1 === r.x1 && ridge2.y1 === r.y1 && ridge2.x2 === r.x2 && ridge2.y2 === r.y2))
          newRidge.attributes.planeSize = Math.round(Math.sqrt(Math.pow(ridge.x1 - ridge.x2, 2) + Math.pow(ridge.y1 - ridge.y2, 2)) * 10)
          newRidge.attributes.actualSize = Math.round(Math.sqrt(Math.pow(ridge.x1 - ridge.x2, 2) + Math.pow(ridge.y1 - ridge.y2, 2)) * 10)
          canvas.add(newRidge)
          roof.ridges.push(newRidge)
          roof.innerLines.push(newRidge)
        }
      })
  })
  canvas?.renderAll()
}

/**
 * line 이 세 라인 사이에 존재하는지 확인한다.
 * @param prevLine
 * @param currentLine
 * @param nextLine
 * @param line
 */
const isInnerLine = (prevLine, currentLine, nextLine, line) => {
  let inside = false
  let minX = Math.min(currentLine.x1, currentLine.x2, prevLine.x1, nextLine.x2)
  let maxX = Math.max(currentLine.x1, currentLine.x2, prevLine.x1, nextLine.x2)
  let minY = Math.min(currentLine.y1, currentLine.y2, prevLine.y1, nextLine.y2)
  let maxY = Math.max(currentLine.y1, currentLine.y2, prevLine.y1, nextLine.y2)

  if (minX < line.x1 && line.x1 < maxX && minY < line.y1 && line.y1 < maxY && minX < line.x2 && line.x2 < maxX && minY < line.y2 && line.y2 < maxY) {
    inside = true
  }

  return inside
}

/**
 * 두 선분이 겹치는지 확인
 * @param line1
 * @param line2
 * @returns {boolean}
 */
const segmentsOverlap = (line1, line2) => {
  if (line1.y1 === line1.y2 && line2.y1 === line2.y2 && line1.y1 === line2.y1) {
    if ((line1.x1 <= line2.x1 && line1.x2 >= line2.x1) || (line1.x1 <= line2.x2 && line1.x2 >= line2.x2)) {
      return true
    }
  }
  if (line1.x1 === line1.x2 && line2.x1 === line2.x2 && line1.x1 === line2.x1) {
    if ((line1.y1 <= line2.y1 && line1.y2 >= line2.y1) || (line1.y1 <= line2.y2 && line1.y2 >= line2.y2)) {
      return true
    }
  }
  return false
}

/**
 * 추녀마루를 그린다.
 * @param roof
 * @param canvas
 */
const drawHips = (roof, canvas) => {
  const roofLines = roof.lines
  const ridgeLines = canvas?.getObjects().filter((object) => object.name === LINE_TYPE.SUBLINE.RIDGE && object.attributes.roofId === roof.id)

  //마루에서 시작되는 hip을 먼저 그립니다.
  roofLines
    .filter((roof) => roof.attributes.type === LINE_TYPE.WALLLINE.EAVES && roof.attributes.ridgeCoordinate !== undefined)
    .forEach((currentRoof, index) => {
      const prevRoof = roof.lines[index === 0 ? roof.lines.length - 1 : index - 1]
      const nextRoof = roof.lines[index === roof.lines.length - 1 ? 0 : index + 1]
      const prevDegree = prevRoof.attributes.pitch > 0 ? getDegreeByChon(prevRoof.attributes.pitch) : prevRoof.attributes.degree
      const currentDegree = currentRoof.attributes.pitch > 0 ? getDegreeByChon(currentRoof.attributes.pitch) : currentRoof.attributes.degree
      const nextDegree = nextRoof.attributes.pitch > 0 ? getDegreeByChon(nextRoof.attributes.pitch) : nextRoof.attributes.degree

      const ridgeCoordinate = currentRoof.attributes.ridgeCoordinate
      const hip1 = new QLine([currentRoof.x1, currentRoof.y1, ridgeCoordinate.x1, ridgeCoordinate.y1], {
        fontSize: roof.fontSize,
        stroke: 'red',
        strokeWidth: 1,
        name: LINE_TYPE.SUBLINE.HIP,
        attributes: { roofId: roof.id, currentRoof: currentRoof.id, actualSize: 0 },
      })
      canvas.add(hip1)
      const hip1Base = ((Math.abs(hip1.x1 - hip1.x2) + Math.abs(hip1.y1 - hip1.y2)) / 2) * 10
      const hip1Height = Math.round(hip1Base / Math.tan(((90 - currentDegree) * Math.PI) / 180))
      hip1.attributes.planeSize = Math.round(Math.sqrt(Math.pow(hip1.x1 - hip1.x2, 2) + Math.pow(hip1.y1 - hip1.y2, 2))) * 10
      if (prevDegree === currentDegree) {
        hip1.attributes.actualSize = Math.round(Math.sqrt(Math.pow(hip1.attributes.planeSize, 2) + Math.pow(hip1Height, 2)))
      }
      roof.hips.push(hip1)
      roof.innerLines.push(hip1)

      const hip2 = new QLine([currentRoof.x2, currentRoof.y2, ridgeCoordinate.x1, ridgeCoordinate.y1], {
        fontSize: roof.fontSize,
        stroke: 'red',
        strokeWidth: 1,
        name: LINE_TYPE.SUBLINE.HIP,
        attributes: { roofId: roof.id, currentRoof: currentRoof.id, actualSize: 0 },
      })
      canvas.add(hip2)
      const hip2Base = ((Math.abs(hip2.x1 - hip2.x2) + Math.abs(hip2.y1 - hip2.y2)) / 2) * 10
      const hip2Height = Math.round(hip2Base / Math.tan(((90 - currentDegree) * Math.PI) / 180))
      hip2.attributes.planeSize = Math.round(Math.sqrt(Math.pow(hip2.x1 - hip2.x2, 2) + Math.pow(hip2.y1 - hip2.y2, 2))) * 10
      if (nextDegree === currentDegree) {
        hip2.attributes.actualSize = Math.round(Math.sqrt(Math.pow(hip2.attributes.planeSize, 2) + Math.pow(hip2Height, 2)))
      }
      roof.hips.push(hip2)
      roof.innerLines.push(hip2)
    })

  const hipLines = canvas?.getObjects().filter((object) => object.name === LINE_TYPE.SUBLINE.HIP && object.attributes.roofId === roof.id)

  //마루에서 시작되지 않는 hip을 그립니다.
  roofLines
    .filter((roof) => {
      let isHip = false
      if (hipLines.some((hip) => hip.x1 === roof.x1 && hip.y1 === roof.y1)) {
        isHip = true
      }
      return !isHip
    })
    .forEach((currentRoof) => {
      let prevRoof
      roofLines.forEach((roof, index) => {
        if (roof === currentRoof) {
          prevRoof = index === 0 ? roofLines[roofLines.length - 1] : roofLines[index - 1]
        }
      })
      const prevDegree = prevRoof.attributes.pitch > 0 ? getDegreeByChon(prevRoof.attributes.pitch) : prevRoof.attributes.degree
      const currentDegree = currentRoof.attributes.pitch > 0 ? getDegreeByChon(currentRoof.attributes.pitch) : currentRoof.attributes.degree

      let ridgePoints = []
      ridgeLines.forEach((ridge) => {
        const deltaX1 = Math.round((ridge.x1 - currentRoof.x1) * 10) / 10
        const deltaY1 = Math.round((ridge.y1 - currentRoof.y1) * 10) / 10
        const deltaX2 = Math.round((ridge.x2 - currentRoof.x1) * 10) / 10
        const deltaY2 = Math.round((ridge.y2 - currentRoof.y1) * 10) / 10

        if (Math.round(Math.abs(deltaY1 / deltaX1) * 10) / 10 === 1) {
          ridgePoints.push({ x: ridge.x1, y: ridge.y1 })
        }
        if (Math.round(Math.abs(deltaY2 / deltaX2) * 10) / 10 === 1) {
          ridgePoints.push({ x: ridge.x2, y: ridge.y2 })
        }
      })

      ridgePoints = ridgePoints.reduce((prev, current) => {
        if (prev !== undefined) {
          const deltaPrevX = Math.abs(prev.x - currentRoof.x1)
          const deltaPrevY = Math.abs(prev.y - currentRoof.y1)
          const deltaCurrentX = Math.abs(current.x - currentRoof.x1)
          const deltaCurrentY = Math.abs(current.y - currentRoof.y1)
          if (deltaPrevX < deltaCurrentX && deltaPrevY < deltaCurrentY) {
            return prev
          } else {
            return current
          }
        } else {
          return current
        }
      }, undefined)

      if (ridgePoints !== undefined) {
        const hip = new QLine([currentRoof.x1, currentRoof.y1, ridgePoints.x, ridgePoints.y], {
          fontSize: roof.fontSize,
          stroke: 'red',
          strokeWidth: 1,
          name: LINE_TYPE.SUBLINE.HIP,
          attributes: { roofId: roof.id, currentRoof: currentRoof.id, actualSize: 0 },
        })
        canvas.add(hip)
        const hipBase = ((Math.abs(hip.x1 - hip.x2) + Math.abs(hip.y1 - hip.y2)) / 2) * 10
        const hipHeight = Math.round(hipBase / Math.tan(((90 - currentRoof.attributes.degree) * Math.PI) / 180))
        hip.attributes.planeSize = Math.round(Math.sqrt(Math.pow(hip.x1 - hip.x2, 2) + Math.pow(hip.y1 - hip.y2, 2))) * 10
        if (prevDegree === currentDegree) {
          hip.attributes.actualSize = Math.round(Math.sqrt(Math.pow(hip.attributes.planeSize, 2) + Math.pow(hipHeight, 2)))
        }
        roof.hips.push(hip)
        roof.innerLines.push(hip)
      }
    })
  canvas?.renderAll()
}

/**
 * 라인 사이가 지붕골 인지 확인.
 * @param polygon
 * @param line1
 * @param line2
 * @returns {boolean}
 */
const checkValley = (polygon, line1, line2) => {
  let points = [
    { x: line1.x1, y: line1.y1 },
    { x: line1.x2, y: line1.y2 },
    { x: line2.x1, y: line2.y1 },
    { x: line2.x2, y: line2.y2 },
  ]

  const uniquePointsMap = new Map()
  points.forEach((point) => {
    const key = `${point.x},${point.y}`
    if (!uniquePointsMap.has(key)) {
      uniquePointsMap.set(key, point)
    }
  })
  points = Array.from(uniquePointsMap.values())

  const centroidX = points.reduce((acc, point) => acc + point.x, 0) / points.length
  const centroidY = points.reduce((acc, point) => acc + point.y, 0) / points.length

  let isValley = false
  const pPoints = polygon.points
  pPoints.forEach((point, index) => {
    let j = (index + 1) % pPoints.length
    let xi = pPoints[index].x + polygon.left,
      yi = pPoints[index].y + polygon.top
    let xj = pPoints[j].x + polygon.left,
      yj = pPoints[j].y + polygon.top

    let intersect = yi > centroidY !== yj > centroidY && centroidX < ((xj - xi) * (centroidY - yi)) / (yj - yi) + xi
    if (intersect) isValley = !isValley
  })
  return isValley
}

/*
  3개 이상 이어지지 않은 라인 포인트 계산
  모임지붕에서 point는 3개 이상의 라인과 접해야 함.
 */
const connectLinePoint = (polygon) => {
  // 연결되지 않은 모든 라인의 포인트를 구한다.
  let missedPoints = []
  //마루
  polygon.ridges.forEach((ridge) => {
    if (ridge.x1 === ridge.x2) {
      if (
        polygon.lines
          .filter((roof) => roof.y1 === roof.y2)
          .filter((roof) => roof.y1 === ridge.y1 || roof.y1 === ridge.y2 || roof.y2 === ridge.y1 || roof.y2 === ridge.y2).length > 0
      ) {
        return
      }
    }
    if (ridge.y1 === ridge.y2) {
      if (
        polygon.lines
          .filter((roof) => roof.x1 === roof.x2)
          .filter((roof) => roof.x1 === ridge.x1 || roof.x1 === ridge.x2 || roof.x2 === ridge.x1 || roof.x2 === ridge.x2).length > 0
      ) {
        return
      }
    }
    if (polygon.hips.filter((hip) => hip.x2 === ridge.x1 && hip.y2 === ridge.y1).length < 2) {
      missedPoints.push({ x: ridge.x1, y: ridge.y1 })
    }
    if (polygon.hips.filter((hip) => hip.x2 === ridge.x2 && hip.y2 === ridge.y2).length < 2) {
      missedPoints.push({ x: ridge.x2, y: ridge.y2 })
    }
  })

  //추녀마루
  polygon.hips.forEach((hip) => {
    let count = 0
    count += polygon.ridges.filter((ridge) => (ridge.x1 === hip.x2 && ridge.y1 === hip.y2) || (ridge.x2 === hip.x2 && ridge.y2 === hip.y2)).length

    count += polygon.hips.filter((hip2) => (hip2.x1 === hip.x2 && hip2.y1 === hip.y2) || (hip2.x2 === hip.x2 && hip2.y2 === hip.y2)).length
    if (count < 3) {
      missedPoints.push({ x: hip.x2, y: hip.y2 })
    }
  })

  let missedLine = []

  //중복포인트제거
  missedPoints = [...new Set(missedPoints.map((line) => JSON.stringify(line)))].map((line) => JSON.parse(line))

  missedPoints.forEach((p1) => {
    let p2 = missedPoints
      .filter((p) => p.x !== p1.x && p.y !== p1.y)
      .reduce((prev, current) => {
        if (prev !== undefined) {
          return Math.sqrt(Math.pow(Math.abs(current.x - p1.x), 2) + Math.pow(Math.abs(current.y - p1.y), 2)) <
            Math.sqrt(Math.pow(Math.abs(prev.x - p1.x), 2) + Math.pow(Math.abs(prev.y - p1.y), 2))
            ? current
            : prev
        } else {
          return current
        }
      }, undefined)
    if (p2 !== undefined) {
      if (p1.x < p2.x && p1.y < p2.y) {
        missedLine.push({ x1: p1.x, y1: p1.y, x2: p2.x, y2: p2.y })
      }
      if (p1.x > p2.x && p1.y < p2.y) {
        missedLine.push({ x1: p2.x, y1: p2.y, x2: p1.x, y2: p1.y })
      }
      if (p1.x > p2.x && p1.y > p2.y) {
        missedLine.push({ x1: p2.x, y1: p2.y, x2: p1.x, y2: p1.y })
      }
      if (p1.x < p2.x && p1.y > p2.y) {
        missedLine.push({ x1: p1.x, y1: p1.y, x2: p2.x, y2: p2.y })
      }
    }
  })

  //중복라인제거
  missedLine = [...new Set(missedLine.map((line) => JSON.stringify(line)))].map((line) => JSON.parse(line))

  missedLine.forEach((p) => {
    const line = new QLine([p.x1, p.y1, p.x2, p.y2], {
      attributes: { roofId: polygon.id },
      fontSize: polygon.fontSize,
      stroke: 'purple',
      strokeWidth: 1,
    })
    line.attributes.planeSize = Math.round(Math.sqrt(Math.pow(line.x1 - line.x2, 2) + Math.pow(line.y1 - line.y2, 2)) * 10) / 10
    line.attributes.actualSize = Math.round(Math.sqrt(Math.pow(line.x1 - line.x2, 2) + Math.pow(line.y1 - line.y2, 2)) * 10) / 10
    polygon.canvas.add(line)
    polygon.innerLines.push(line)
  })

  missedPoints = []
  missedLine = []

  polygon.innerLines.forEach((line) => {
    if (
      polygon.innerLines.filter(
        (innerLine) => (line.x2 === innerLine.x1 && line.y2 === innerLine.y1) || (line.x2 === innerLine.x2 && line.y2 === innerLine.y2),
      ).length < 3
    ) {
      missedPoints.push({ x: line.x2, y: line.y2 })
    }
  })

  missedPoints = [...new Set(missedPoints.map((line) => JSON.stringify(line)))].map((line) => JSON.parse(line))

  missedPoints.forEach((p1) => {
    let p2 = missedPoints
      .filter((p) => !(p.x === p1.x && p.y === p1.y))
      .reduce((prev, current) => {
        if (prev !== undefined) {
          return Math.abs(current.x - p1.x) + Math.abs(current.y - p1.y) < Math.abs(prev.x - p1.x) + Math.abs(prev.y - p1.y) ? current : prev
        } else {
          return current
        }
      }, undefined)

    if (p2 !== undefined) {
      if (p1.x === p2.x && p1.y < p2.y) {
        missedLine.push({ x1: p1.x, y1: p1.y, x2: p2.x, y2: p2.y })
      }
      if (p1.x === p2.x && p1.y > p2.y) {
        missedLine.push({ x1: p1.x, y1: p2.y, x2: p2.x, y2: p1.y })
      }
      if (p1.x < p2.x && p1.y === p2.y) {
        missedLine.push({ x1: p1.x, y1: p1.y, x2: p2.x, y2: p2.y })
      }
      if (p1.x > p2.x && p1.y === p2.y) {
        missedLine.push({ x1: p2.x, y1: p1.y, x2: p1.x, y2: p2.y })
      }
    }
  })

  //중복라인제거
  missedLine = [...new Set(missedLine.map((line) => JSON.stringify(line)))].map((line) => JSON.parse(line))

  missedLine.forEach((p) => {
    const line = new QLine([p.x1, p.y1, p.x2, p.y2], {
      attributes: { roofId: polygon.id },
      fontSize: polygon.fontSize,
      stroke: 'purple',
      strokeWidth: 1,
    })
    line.attributes.planeSize = Math.round(Math.sqrt(Math.pow(line.x1 - line.x2, 2) + Math.pow(line.y1 - line.y2, 2)) * 10)
    line.attributes.actualSize = Math.round(Math.sqrt(Math.pow(line.x1 - line.x2, 2) + Math.pow(line.y1 - line.y2, 2)) * 10)
    polygon.canvas.add(line)
    polygon.innerLines.push(line)
  })

  //마지막으로 연결되지 않고 떨어져있는 마루를 확인한다.
  let missedRidge = []
  polygon.ridges.forEach((ridge) => {
    let lineCheck1 = polygon.innerLines.filter((line) => {
      if (
        !(line.x1 === ridge.x1 && line.y1 === ridge.y1 && line.x2 === ridge.x2 && line.y2 === ridge.y2) &&
        ((line.x1 === ridge.x1 && line.y1 === ridge.y1) || (line.x2 === ridge.x1 && line.y2 === ridge.y1))
      ) {
        return line
      }
    })

    let lineCheck2 = polygon.innerLines.filter((line) => {
      if (
        !(line.x1 === ridge.x1 && line.y1 === ridge.y1 && line.x2 === ridge.x2 && line.y2 === ridge.y2) &&
        ((line.x1 === ridge.x2 && line.y1 === ridge.y2) || (line.x2 === ridge.x2 && line.y2 === ridge.y2))
      ) {
        return line
      }
    })
    if (lineCheck1.length === 0 || lineCheck2.length === 0) {
      missedRidge.push(ridge)
    }
  })

  missedRidge.forEach((ridge) => {
    let missedRidge2 = missedRidge.filter(
      (ridge2) => !(ridge.x1 === ridge2.x1 && ridge.y1 === ridge2.y1 && ridge.x2 === ridge2.x2 && ridge.y2 === ridge2.y2),
    )

    missedRidge2.forEach((ridge2) => {
      let overlap = false
      if (ridge.x1 === ridge.x2 && ridge2.x1 === ridge2.x2 && ridge2.x1 === ridge.x1) {
        overlap = true
      }
      if (ridge.y1 === ridge.y2 && ridge2.y1 === ridge2.y2 && ridge2.y1 === ridge.y1) {
        overlap = true
      }
      if (overlap) {
        let x1 = Math.min(ridge.x1, ridge2.x1, ridge.x2, ridge2.x2)
        let x2 = Math.max(ridge.x1, ridge2.x1, ridge.x2, ridge2.x2)
        let y1 = Math.min(ridge.y1, ridge2.y1, ridge.y2, ridge2.y2)
        let y2 = Math.max(ridge.y1, ridge2.y1, ridge.y2, ridge2.y2)
        const newRidge = new QLine([x1, y1, x2, y2], {
          fontSize: polygon.fontSize,
          stroke: 'blue',
          strokeWidth: 1,
          name: LINE_TYPE.SUBLINE.RIDGE,
          attributes: { roofId: polygon.id },
        })
        if (polygon.ridges.filter((r) => newRidge.x1 === r.x1 && newRidge.y1 === r.y1 && newRidge.x2 === r.x2 && newRidge.y2 === r.y2).length === 0) {
          polygon.canvas.remove(ridge)
          polygon.canvas.remove(ridge2)
          polygon.ridges = polygon.ridges.filter((r) => !(ridge.x1 === r.x1 && ridge.y1 === r.y1 && ridge.x2 === r.x2 && ridge.y2 === r.y2))
          polygon.ridges = polygon.ridges.filter((r) => !(ridge2.x1 === r.x1 && ridge2.y1 === r.y1 && ridge2.x2 === r.x2 && ridge2.y2 === r.y2))
          polygon.innerLines = polygon.innerLines.filter((r) => !(ridge.x1 === r.x1 && ridge.y1 === r.y1 && ridge.x2 === r.x2 && ridge.y2 === r.y2))
          polygon.innerLines = polygon.innerLines.filter(
            (r) => !(ridge2.x1 === r.x1 && ridge2.y1 === r.y1 && ridge2.x2 === r.x2 && ridge2.y2 === r.y2),
          )

          polygon.canvas.add(newRidge)
          polygon.ridges.push(newRidge)
          polygon.innerLines.push(newRidge)
        }
      }
    })
  })
  polygon.canvas.renderAll()
}

const modifyRidge = (roof, canvas) => {
  const ridgeLines = canvas?.getObjects().filter((object) => object.name === LINE_TYPE.SUBLINE.RIDGE && object.attributes.roofId === roof.id)
  const hipLines = canvas?.getObjects().filter((object) => object.name === LINE_TYPE.SUBLINE.HIP && object.attributes.roofId === roof.id)

  ridgeLines.forEach((ridge) => {
    let ridgeHip1 = hipLines.filter((hip) => hip.x2 === ridge.x1 && hip.y2 === ridge.y1)
    let ridgeHip2 = hipLines.filter((hip) => hip.x2 === ridge.x2 && hip.y2 === ridge.y2)
    if (ridgeHip1.length >= 2) {
      let currentRoof = roof.lines
        .filter((roofLine) => roofLine.attributes !== undefined && roofLine.attributes.ridgeCoordinate !== undefined)
        .find((roofLine) => roofLine.attributes.ridgeCoordinate.x1 === ridge.x1 && roofLine.attributes.ridgeCoordinate.y1 === ridge.y1)
      if (currentRoof === undefined) {
        currentRoof = roof.lines.find(
          (roofLine) =>
            (roofLine.x1 === ridgeHip1[0].x1 &&
              roofLine.y1 === ridgeHip1[0].y1 &&
              roofLine.x2 === ridgeHip1[1].x1 &&
              roofLine.y2 === ridgeHip1[1].y1) ||
            (roofLine.x1 === ridgeHip1[1].x1 &&
              roofLine.y1 === ridgeHip1[1].y1 &&
              roofLine.x2 === ridgeHip1[0].x1 &&
              roofLine.y2 === ridgeHip1[0].y1),
        )
        if (currentRoof !== undefined) {
          currentRoof.attributes.ridgeCoordinate = { x1: ridge.x1, y1: ridge.y1 }
        }
      }
      if (currentRoof !== undefined) {
        switch (currentRoof.attributes.type) {
          case LINE_TYPE.WALLLINE.EAVES:
            changeEavesRoof(currentRoof, canvas)
            break
          case LINE_TYPE.WALLLINE.GABLE:
            changeGableRoof(currentRoof, canvas)
            break
          case LINE_TYPE.WALLLINE.HIPANDGABLE:
            changeHipAndGableRoof(currentRoof, canvas)
            break
          case LINE_TYPE.WALLLINE.JERKINHEAD:
            changeJerkInHeadRoof(currentRoof, canvas)
            break
          case LINE_TYPE.WALLLINE.WALL:
            changeWallRoof(currentRoof, canvas)
            break
        }
      }
    }
    if (ridgeHip2.length >= 2) {
      let currentRoof = roof.lines
        .filter((roofLine) => roofLine.attributes !== undefined && roofLine.attributes.ridgeCoordinate !== undefined)
        .find((roofLine) => roofLine.attributes.ridgeCoordinate.x1 === ridge.x2 && roofLine.attributes.ridgeCoordinate.y1 === ridge.y2)
      if (currentRoof === undefined) {
        currentRoof = roof.lines.find(
          (roofLine) =>
            (roofLine.x1 === ridgeHip2[0].x1 &&
              roofLine.y1 === ridgeHip2[0].y1 &&
              roofLine.x2 === ridgeHip2[1].x1 &&
              roofLine.y2 === ridgeHip2[1].y1) ||
            (roofLine.x1 === ridgeHip2[1].x1 &&
              roofLine.y1 === ridgeHip2[1].y1 &&
              roofLine.x2 === ridgeHip2[0].x1 &&
              roofLine.y2 === ridgeHip2[0].y1),
        )
        if (currentRoof !== undefined) {
          currentRoof.attributes.ridgeCoordinate = { x1: ridge.x2, y1: ridge.y2 }
        }
      }
      if (currentRoof !== undefined) {
        switch (currentRoof.attributes.type) {
          case LINE_TYPE.WALLLINE.EAVES:
            changeEavesRoof(currentRoof, canvas)
            break
          case LINE_TYPE.WALLLINE.GABLE:
            changeGableRoof(currentRoof, canvas)
            break
          case LINE_TYPE.WALLLINE.HIPANDGABLE:
            changeHipAndGableRoof(currentRoof, canvas)
            break
          case LINE_TYPE.WALLLINE.JERKINHEAD:
            changeJerkInHeadRoof(currentRoof, canvas)
            break
          case LINE_TYPE.WALLLINE.WALL:
            changeWallRoof(currentRoof, canvas)
            break
        }
      }
    }
  })
}

/*
  최대 생성 마루 갯수
 */
const getMaxRidge = (length) => {
  return (length - 4) / 2 + 1
}

/**
 * 처마지붕으로 변경
 * @param currentRoof
 * @param canvas
 */
const changeEavesRoof = (currentRoof, canvas) => {
  if (currentRoof.attributes.type === LINE_TYPE.WALLLINE.EAVES) {
    const roofId = currentRoof.attributes.roofId
    const wall = canvas?.getObjects().find((object) => object.name === POLYGON_TYPE.WALL && object.attributes.roofId === roofId)
    const roof = canvas?.getObjects().find((object) => object.name === POLYGON_TYPE.ROOF && object.id === roofId)
    let hipLines = canvas?.getObjects().filter((object) => object.name === LINE_TYPE.SUBLINE.HIP && object.attributes.roofId === roofId)
    let ridgeLines = canvas?.getObjects().filter((object) => object.name === LINE_TYPE.SUBLINE.RIDGE && object.attributes.roofId === roofId)
    let wallLine = wall.lines.filter((w) => w.id === currentRoof.attributes.wallLine)
    if (wallLine.length > 0) {
      wallLine = wallLine[0]
    }
    let prevRoof, nextRoof
    roof.lines.forEach((r, index) => {
      if (r.id === currentRoof.id) {
        currentRoof = r
        prevRoof = roof.lines[index === 0 ? roof.lines.length - 1 : index - 1]
        nextRoof = roof.lines[index === roof.lines.length - 1 ? 0 : index + 1]
      }
    })

    const midX = (currentRoof.x1 + currentRoof.x2) / 2 // 지붕의 X 중심
    const midY = (currentRoof.y1 + currentRoof.y2) / 2 // 지붕의 Y 중심
    const midWallX = (wallLine.x1 + wallLine.x2) / 2 // 벽의 X 중심
    const midWallY = (wallLine.y1 + wallLine.y2) / 2 // 벽의 Y 중심
    const alpha = midX - midWallX // 벽과 지붕의 X 거리
    const beta = midY - midWallY // 벽과 지붕의 Y 거리
    const hypotenuse = Math.sqrt(Math.pow(alpha, 2) + Math.pow(beta, 2)) // 벽과 지붕의 거리
    const addHipX2 = Math.sign(midX - midWallX) * (alpha / hypotenuse) * (currentRoof.length / 2) // 추녀마루의 X 너비
    const addHipY2 = Math.sign(midY - midWallY) * (beta / hypotenuse) * (currentRoof.length / 2) // 추녀마루의 Y 너비
    let hipX2 = 0
    let hipY2 = 0

    const innerLines = canvas
      ?.getObjects()
      .filter(
        (object) =>
          object.attributes !== undefined &&
          object.attributes.roofId === roofId &&
          object.attributes.currentRoof === currentRoof.id &&
          object.x1 !== undefined &&
          object.x2 !== undefined,
      )

    innerLines
      .filter(
        (line) =>
          line.name !== LINE_TYPE.SUBLINE.RIDGE &&
          line.name !== LINE_TYPE.SUBLINE.HIP &&
          line.name !== LINE_TYPE.SUBLINE.VALLEY &&
          line.name !== OUTER_LINE_TYPE.OUTER_LINE,
      )
      .forEach((line) => {
        roof.innerLines = roof.innerLines.filter((l) => l.id !== line.id)
        canvas?.remove(line)
      })

    ridgeLines = ridgeLines.filter(
      (ridge) =>
        (ridge.x1 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y1 === currentRoof.attributes.ridgeCoordinate.y1) ||
        (ridge.x2 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y2 === currentRoof.attributes.ridgeCoordinate.y1),
    )
    hipLines = hipLines.filter(
      (hip) => (hip.x1 === currentRoof.x1 && hip.y1 === currentRoof.y1) || (hip.x1 === currentRoof.x2 && hip.y1 === currentRoof.y2),
    )

    if (hipLines === undefined || hipLines.length === 0) {
      hipLines = innerLines.filter(
        (line) =>
          (line.x1 === currentRoof.x1 && line.y1 === currentRoof.y1) ||
          (line.x2 === currentRoof.x1 && line.y2 === currentRoof.y1) ||
          (line.x1 === currentRoof.x2 && line.y1 === currentRoof.y2) ||
          (line.x2 === currentRoof.x2 && line.y2 === currentRoof.y2),
      )
    }

    if ((ridgeLines === undefined || ridgeLines.length === 0) && hipLines.length >= 2) {
      let points = []
      hipLines.forEach((hip) => {
        points.push({ x: hip.x1, y: hip.y1 })
        points.push({ x: hip.x2, y: hip.y2 })
      })

      const pointSet = new Set()
      const duplicatePoints = []

      points.forEach((point) => {
        const pointKey = `${point.x},${point.y}`
        if (pointSet.has(pointKey)) {
          duplicatePoints.push(point)
        } else {
          pointSet.add(pointKey)
        }
      })

      ridgeLines = innerLines
        .filter((r) => r !== hipLines[0] && r !== hipLines[1])
        .filter(
          (r) => (r.x1 === duplicatePoints[0].x && r.y1 === duplicatePoints[0].y) || (r.x2 === duplicatePoints[0].x && r.y2 === duplicatePoints[0].y),
        )
      if (ridgeLines.length > 0) {
        currentRoof.attributes.ridgeCoordinate = { x1: duplicatePoints[0].x, y1: duplicatePoints[0].y }
      }
    }

    if (ridgeLines.length > 0) {
      const ridge = ridgeLines[0]
      if (ridge.x1 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y1 === currentRoof.attributes.ridgeCoordinate.y1) {
        ridge.set({
          x1: midX + addHipX2,
          y1: midY + addHipY2,
          x2: ridge.x2,
          y2: ridge.y2,
        })
        currentRoof.attributes.ridgeCoordinate = { x1: ridge.x1, y1: ridge.y1 }
        hipX2 = midX + addHipX2
        hipY2 = midY + addHipY2
      }
      if (ridge.x2 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y2 === currentRoof.attributes.ridgeCoordinate.y1) {
        ridge.set({
          x1: ridge.x1,
          y1: ridge.y1,
          x2: midX - addHipX2,
          y2: midY - addHipY2,
        })
        currentRoof.attributes.ridgeCoordinate = { x1: ridge.x2, y1: ridge.y2 }
        hipX2 = midX - addHipX2
        hipY2 = midY - addHipY2
      }
      ridge.attributes.planeSize = Math.round(Math.sqrt(Math.pow(ridge.x1 - ridge.x2, 2) + Math.pow(ridge.y1 - ridge.y2, 2)) * 10)
      ridge.attributes.actualSize = Math.round(Math.sqrt(Math.pow(ridge.x1 - ridge.x2, 2) + Math.pow(ridge.y1 - ridge.y2, 2)) * 10)
    }

    hipLines.forEach((hip) => {
      roof.innerLines = roof.innerLines.filter((h) => h.id !== hip.id)
      canvas.remove(hip)
    })

    const prevDegree = prevRoof.attributes.pitch > 0 ? getDegreeByChon(prevRoof.attributes.pitch) : prevRoof.attributes.degree
    const currentDegree = currentRoof.attributes.pitch > 0 ? getDegreeByChon(currentRoof.attributes.pitch) : currentRoof.attributes.degree
    const nextDegree = nextRoof.attributes.pitch > 0 ? getDegreeByChon(nextRoof.attributes.pitch) : nextRoof.attributes.degree

    const hip1 = new QLine([currentRoof.x1, currentRoof.y1, hipX2, hipY2], {
      fontSize: roof.fontSize,
      stroke: 'red',
      strokeWidth: 1,
      name: LINE_TYPE.SUBLINE.HIP,
      attributes: {
        roofId: roof.id,
        currentRoofId: currentRoof.id,
      },
    })
    canvas?.add(hip1)
    roof.innerLines.push(hip1)
    const hip1Base = ((Math.abs(hip1.x1 - hip1.x2) + Math.abs(hip1.y1 - hip1.y2)) / 2) * 10
    const hip1Height = Math.round(hip1Base / Math.tan(((90 - currentDegree) * Math.PI) / 180))
    hip1.attributes.planeSize = Math.round(Math.sqrt(Math.pow(hip1.x1 - hip1.x2, 2) + Math.pow(hip1.y1 - hip1.y2, 2))) * 10
    if (prevDegree === currentDegree) {
      hip1.attributes.actualSize = Math.round(Math.sqrt(Math.pow(hip1.attributes.planeSize, 2) + Math.pow(hip1Height, 2)))
    }

    const hip2 = new QLine([currentRoof.x2, currentRoof.y2, hipX2, hipY2], {
      fontSize: roof.fontSize,
      stroke: 'red',
      strokeWidth: 1,
      name: LINE_TYPE.SUBLINE.HIP,
      attributes: {
        roofId: roof.id,
        currentRoofId: currentRoof.id,
        planeSize: currentRoof.length,
        actualSize: currentRoof.length,
      },
    })
    canvas?.add(hip2)
    roof.innerLines.push(hip2)
    const hip2Base = ((Math.abs(hip2.x1 - hip2.x2) + Math.abs(hip2.y1 - hip2.y2)) / 2) * 10
    const hip2Height = Math.round(hip2Base / Math.tan(((90 - currentDegree) * Math.PI) / 180))
    hip2.attributes.planeSize = Math.round(Math.sqrt(Math.pow(hip2.x1 - hip2.x2, 2) + Math.pow(hip2.y1 - hip2.y2, 2))) * 10
    if (currentDegree === nextDegree) {
      hip2.attributes.actualSize = Math.round(Math.sqrt(Math.pow(hip2.attributes.planeSize, 2) + Math.pow(hip2Height, 2)))
    }
  }
}

/**
 * 박공지붕으로 변경
 * @param currentRoof
 * @param canvas
 */
const changeGableRoof = (currentRoof, canvas) => {
  if (currentRoof.attributes.type === LINE_TYPE.WALLLINE.GABLE) {
    const roofId = currentRoof.attributes.roofId
    const roof = canvas?.getObjects().find((object) => object.name === POLYGON_TYPE.ROOF && object.id === roofId)
    let hipLines = canvas?.getObjects().filter((object) => object.name === LINE_TYPE.SUBLINE.HIP && object.attributes.roofId === roofId)
    let ridgeLines = canvas?.getObjects().filter((object) => object.name === LINE_TYPE.SUBLINE.RIDGE && object.attributes.roofId === roofId)

    const midX = (currentRoof.x1 + currentRoof.x2) / 2 // 지붕의 X 중심
    const midY = (currentRoof.y1 + currentRoof.y2) / 2 // 지붕의 Y 중심

    const innerLines = canvas
      ?.getObjects()
      .filter(
        (object) =>
          object.attributes !== undefined &&
          object.attributes.roofId === roofId &&
          object.attributes.currentRoof === currentRoof.id &&
          object.x1 !== undefined &&
          object.x2 !== undefined,
      )

    let prevRoof, nextRoof
    roof.lines.forEach((r, index) => {
      if (r.id === currentRoof.id) {
        currentRoof = r
        prevRoof = roof.lines[index === 0 ? roof.lines.length - 1 : index - 1]
        nextRoof = roof.lines[index === roof.lines.length - 1 ? 0 : index + 1]
      }
    })

    innerLines
      .filter(
        (line) =>
          line.name !== LINE_TYPE.SUBLINE.RIDGE &&
          line.name !== LINE_TYPE.SUBLINE.HIP &&
          line.name !== LINE_TYPE.SUBLINE.VALLEY &&
          line.name !== OUTER_LINE_TYPE.OUTER_LINE,
      )
      .forEach((line) => {
        roof.innerLines = roof.innerLines.filter((l) => l.id !== line.id)
        canvas?.remove(line)
      })

    ridgeLines = ridgeLines.filter(
      (ridge) =>
        (ridge.x1 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y1 === currentRoof.attributes.ridgeCoordinate.y1) ||
        (ridge.x2 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y2 === currentRoof.attributes.ridgeCoordinate.y1),
    )
    hipLines = hipLines.filter(
      (hip) => (hip.x1 === currentRoof.x1 && hip.y1 === currentRoof.y1) || (hip.x1 === currentRoof.x2 && hip.y1 === currentRoof.y2),
    )

    if (hipLines === undefined || hipLines.length === 0) {
      hipLines = innerLines.filter(
        (line) =>
          (line.x1 === currentRoof.x1 && line.y1 === currentRoof.y1) ||
          (line.x2 === currentRoof.x1 && line.y2 === currentRoof.y1) ||
          (line.x1 === currentRoof.x2 && line.y1 === currentRoof.y2) ||
          (line.x2 === currentRoof.x2 && line.y2 === currentRoof.y2),
      )
    }

    hipLines.forEach((hip) => {
      roof.innerLines = roof.innerLines.filter((h) => h.id !== hip.id)
      canvas.remove(hip)
    })

    if ((ridgeLines === undefined || ridgeLines.length === 0) && hipLines.length >= 2) {
      let points = []
      hipLines.forEach((hip) => {
        points.push({ x: hip.x1, y: hip.y1 })
        points.push({ x: hip.x2, y: hip.y2 })
      })

      const pointSet = new Set()
      const duplicatePoints = []

      points.forEach((point) => {
        const pointKey = `${point.x},${point.y}`
        if (pointSet.has(pointKey)) {
          duplicatePoints.push(point)
        } else {
          pointSet.add(pointKey)
        }
      })

      ridgeLines = innerLines
        .filter((r) => r !== hipLines[0] && r !== hipLines[1])
        .filter(
          (r) => (r.x1 === duplicatePoints[0].x && r.y1 === duplicatePoints[0].y) || (r.x2 === duplicatePoints[0].x && r.y2 === duplicatePoints[0].y),
        )
      if (ridgeLines.length > 0) {
        currentRoof.attributes.ridgeCoordinate = { x1: duplicatePoints[0].x, y1: duplicatePoints[0].y }
      }
    }

    if (ridgeLines !== undefined && ridgeLines.length > 0) {
      const prevDegree = prevRoof.attributes.pitch > 0 ? getDegreeByChon(prevRoof.attributes.pitch) : prevRoof.attributes.degree
      const nextDegree = nextRoof.attributes.pitch > 0 ? getDegreeByChon(nextRoof.attributes.pitch) : nextRoof.attributes.degree

      const ridge = ridgeLines[0]
      if (ridge.x1 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y1 === currentRoof.attributes.ridgeCoordinate.y1) {
        ridge.set({
          x1: midX,
          y1: midY,
          x2: ridge.x2,
          y2: ridge.y2,
        })
        currentRoof.attributes.ridgeCoordinate = { x1: ridge.x1, y1: ridge.y1 }
      }
      if (ridge.x2 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y2 === currentRoof.attributes.ridgeCoordinate.y1) {
        ridge.set({
          x1: ridge.x1,
          y1: ridge.y1,
          x2: midX,
          y2: midY,
        })
        currentRoof.attributes.ridgeCoordinate = { x1: ridge.x2, y1: ridge.y2 }
      }
      ridge.attributes.planeSize = Math.round(Math.sqrt(Math.pow(ridge.x1 - ridge.x2, 2) + Math.pow(ridge.y1 - ridge.y2, 2)) * 10)
      ridge.attributes.actualSize = Math.round(Math.sqrt(Math.pow(ridge.x1 - ridge.x2, 2) + Math.pow(ridge.y1 - ridge.y2, 2)) * 10)

      let hip1 = new QLine([currentRoof.x1, currentRoof.y1, midX, midY], {
        fontSize: roof.fontSize,
        stroke: 'red',
        strokeWidth: 1,
        name: LINE_TYPE.SUBLINE.HIP,
        attributes: {
          roofId: roofId,
          currentRoofId: currentRoof.id,
        },
      })
      canvas?.add(hip1)
      const hip1Base = ((Math.abs(hip1.x1 - hip1.x2) + Math.abs(hip1.y1 - hip1.y2)) / 2) * 10
      const hip1Height = Math.round(hip1Base / Math.tan(((90 - prevDegree) * Math.PI) / 180))
      hip1.attributes.planeSize = Math.round(Math.sqrt(Math.pow(hip1.x1 - hip1.x2, 2) + Math.pow(hip1.y1 - hip1.y2, 2))) * 10
      hip1.attributes.actualSize = Math.round(Math.sqrt(Math.pow(hip1.attributes.planeSize, 2) + Math.pow(hip1Height, 2)))
      roof.innerLines.push(hip1)

      let hip2 = new QLine([currentRoof.x2, currentRoof.y2, midX, midY], {
        fontSize: roof.fontSize,
        stroke: 'red',
        strokeWidth: 1,
        name: LINE_TYPE.SUBLINE.HIP,
        attributes: {
          roofId: roofId,
          currentRoofId: currentRoof.id,
          planeSize: currentRoof.length,
          actualSize: currentRoof.length,
        },
      })
      canvas?.add(hip2)
      const hip2Base = ((Math.abs(hip2.x1 - hip2.x2) + Math.abs(hip2.y1 - hip2.y2)) / 2) * 10
      const hip2Height = Math.round(hip2Base / Math.tan(((90 - nextDegree) * Math.PI) / 180))
      hip2.attributes.planeSize = Math.round(Math.sqrt(Math.pow(hip2.x1 - hip2.x2, 2) + Math.pow(hip2.y1 - hip2.y2, 2))) * 10
      hip2.attributes.actualSize = Math.round(Math.sqrt(Math.pow(hip2.attributes.planeSize, 2) + Math.pow(hip2Height, 2)))
      roof.innerLines.push(hip2)
      canvas?.renderAll()
    }
  }
}

/**
 * 팔작지붕으로 변경
 * @param currentRoof
 * @param canvas
 */
const changeHipAndGableRoof = (currentRoof, canvas) => {
  if (
    currentRoof.attributes.type === LINE_TYPE.WALLLINE.HIPANDGABLE &&
    currentRoof.attributes.width !== undefined &&
    currentRoof.attributes.width > 0
  ) {
    const roofId = currentRoof.attributes.roofId
    const wall = canvas?.getObjects().find((object) => object.name === POLYGON_TYPE.WALL && object.attributes.roofId === roofId)
    const roof = canvas?.getObjects().find((object) => object.name === POLYGON_TYPE.ROOF && object.id === roofId)
    let hipLines = canvas?.getObjects().filter((object) => object.name === LINE_TYPE.SUBLINE.HIP && object.attributes.roofId === roofId)
    let ridgeLines = canvas?.getObjects().filter((object) => object.name === LINE_TYPE.SUBLINE.RIDGE && object.attributes.roofId === roofId)
    let wallLine = wall.lines.filter((w) => w.id === currentRoof.attributes.wallLine)
    if (wallLine.length > 0) {
      wallLine = wallLine[0]
    }
    let prevRoof, nextRoof
    roof.lines.forEach((r, index) => {
      if (r.id === currentRoof.id) {
        currentRoof = r
        prevRoof = roof.lines[index === 0 ? roof.lines.length - 1 : index - 1]
        nextRoof = roof.lines[index === roof.lines.length - 1 ? 0 : index + 1]
      }
    })

    const midX = (currentRoof.x1 + currentRoof.x2) / 2 // 지붕의 X 중심
    const midY = (currentRoof.y1 + currentRoof.y2) / 2 // 지붕의 Y 중심
    const midWallX = (wallLine.x1 + wallLine.x2) / 2 // 벽의 X 중심
    const midWallY = (wallLine.y1 + wallLine.y2) / 2 // 벽의 Y 중심
    const alpha = midX - midWallX // 벽과 지붕의 X 거리
    const beta = midY - midWallY // 벽과 지붕의 Y 거리
    const hypotenuse = Math.sqrt(Math.pow(alpha, 2) + Math.pow(beta, 2)) // 벽과 지붕의 거리
    const xWidth = Math.sign(midX - midWallX) * (alpha / hypotenuse) * currentRoof.attributes.width // 지붕의 X 너비
    const yWidth = Math.sign(midY - midWallY) * (beta / hypotenuse) * currentRoof.attributes.width // 지붕의 Y 너비
    const hipX2 = Math.sign(midX - midWallX) * (alpha / hypotenuse) * (currentRoof.length / 2) // 추녀마루의 X 너비
    const hipY2 = Math.sign(midY - midWallY) * (beta / hypotenuse) * (currentRoof.length / 2) // 추녀마루의 Y 너비

    if (Math.sqrt(Math.pow(xWidth, 2) + Math.pow(yWidth, 2)) < Math.sqrt(Math.pow(hipX2, 2) + Math.pow(hipY2, 2))) {
      const innerLines = canvas
        ?.getObjects()
        .filter(
          (object) =>
            object.attributes !== undefined &&
            object.attributes.roofId === roofId &&
            object.attributes.currentRoof === currentRoof.id &&
            object.x1 !== undefined &&
            object.x2 !== undefined,
        )

      innerLines
        .filter(
          (line) =>
            line.name !== LINE_TYPE.SUBLINE.RIDGE &&
            line.name !== LINE_TYPE.SUBLINE.HIP &&
            line.name !== LINE_TYPE.SUBLINE.VALLEY &&
            line.name !== OUTER_LINE_TYPE.OUTER_LINE,
        )
        .forEach((line) => {
          roof.innerLines = roof.innerLines.filter((l) => l.id !== line.id)
          canvas?.remove(line)
        })

      ridgeLines = ridgeLines.filter(
        (ridge) =>
          (ridge.x1 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y1 === currentRoof.attributes.ridgeCoordinate.y1) ||
          (ridge.x2 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y2 === currentRoof.attributes.ridgeCoordinate.y1),
      )
      hipLines = hipLines.filter(
        (hip) => (hip.x1 === currentRoof.x1 && hip.y1 === currentRoof.y1) || (hip.x1 === currentRoof.x2 && hip.y1 === currentRoof.y2),
      )

      if (hipLines === undefined || hipLines.length === 0) {
        hipLines = innerLines.filter(
          (line) =>
            (line.x1 === currentRoof.x1 && line.y1 === currentRoof.y1) ||
            (line.x2 === currentRoof.x1 && line.y2 === currentRoof.y1) ||
            (line.x1 === currentRoof.x2 && line.y1 === currentRoof.y2) ||
            (line.x2 === currentRoof.x2 && line.y2 === currentRoof.y2),
        )
      }

      if ((ridgeLines === undefined || ridgeLines.length === 0) && hipLines.length >= 2) {
        let points = []
        hipLines.forEach((hip) => {
          points.push({ x: hip.x1, y: hip.y1 })
          points.push({ x: hip.x2, y: hip.y2 })
        })

        const pointSet = new Set()
        const duplicatePoints = []

        points.forEach((point) => {
          const pointKey = `${point.x},${point.y}`
          if (pointSet.has(pointKey)) {
            duplicatePoints.push(point)
          } else {
            pointSet.add(pointKey)
          }
        })

        ridgeLines = innerLines
          .filter((r) => r !== hipLines[0] && r !== hipLines[1])
          .filter(
            (r) =>
              (r.x1 === duplicatePoints[0].x && r.y1 === duplicatePoints[0].y) || (r.x2 === duplicatePoints[0].x && r.y2 === duplicatePoints[0].y),
          )
        if (ridgeLines.length > 0) {
          currentRoof.attributes.ridgeCoordinate = { x1: duplicatePoints[0].x, y1: duplicatePoints[0].y }
        }
      }

      hipLines.forEach((hip) => {
        roof.innerLines = roof.innerLines.filter((h) => h.id !== hip.id)
        canvas.remove(hip)
      })
      hipLines = []

      if (ridgeLines.length > 0) {
        const ridge = ridgeLines[0]
        if (ridge.x1 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y1 === currentRoof.attributes.ridgeCoordinate.y1) {
          ridge.set({
            x1: midX + xWidth,
            y1: midY + yWidth,
            x2: ridge.x2,
            y2: ridge.y2,
          })
          currentRoof.attributes.ridgeCoordinate = { x1: ridge.x1, y1: ridge.y1 }
        }
        if (ridge.x2 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y2 === currentRoof.attributes.ridgeCoordinate.y1) {
          ridge.set({
            x1: ridge.x1,
            y1: ridge.y1,
            x2: midX - xWidth,
            y2: midY - yWidth,
          })
          currentRoof.attributes.ridgeCoordinate = { x1: ridge.x2, y1: ridge.y2 }
        }
        ridge.attributes.planeSize = Math.round(Math.sqrt(Math.pow(ridge.x1 - ridge.x2, 2) + Math.pow(ridge.y1 - ridge.y2, 2)) * 10)
        ridge.attributes.actualSize = Math.round(Math.sqrt(Math.pow(ridge.x1 - ridge.x2, 2) + Math.pow(ridge.y1 - ridge.y2, 2)) * 10)
      }

      const hip1 = new QLine([currentRoof.x1, currentRoof.y1, midX + hipX2, midY + hipY2], {
        fontSize: roof.fontSize,
        stroke: 'red',
        strokeWidth: 1,
        name: LINE_TYPE.SUBLINE.HIP,
        attributes: {
          roofId: roof.id,
          currentRoof: currentRoof.id,
        },
      })
      const prevDegree = prevRoof.attributes.pitch > 0 ? getDegreeByChon(prevRoof.attributes.pitch) : prevRoof.attributes.degree
      const nextDegree = nextRoof.attributes.pitch > 0 ? getDegreeByChon(nextRoof.attributes.pitch) : nextRoof.attributes.degree

      const hip1Base = ((Math.abs(hip1.x1 - hip1.x2) + Math.abs(hip1.y1 - hip1.y2)) / 2) * 10
      const hip1Height = Math.round(hip1Base / Math.tan(((90 - prevDegree) * Math.PI) / 180))
      hip1.attributes.planeSize = Math.round(Math.sqrt(Math.pow(hip1.x1 - hip1.x2, 2) + Math.pow(hip1.y1 - hip1.y2, 2))) * 10
      hip1.attributes.actualSize = Math.round(Math.sqrt(Math.pow(hip1.attributes.planeSize, 2) + Math.pow(hip1Height, 2)))
      canvas?.add(hip1)
      roof.innerLines.push(hip1)

      const hip2 = new QLine([currentRoof.x2, currentRoof.y2, midX + hipX2, midY + hipY2], {
        fontSize: roof.fontSize,
        stroke: 'red',
        strokeWidth: 1,
        name: LINE_TYPE.SUBLINE.HIP,
        attributes: {
          roofId: roof.id,
          currentRoof: currentRoof.id,
          planeSize: currentRoof.length,
          actualSize: currentRoof.length,
        },
      })
      const hip2Base = ((Math.abs(hip2.x1 - hip2.x2) + Math.abs(hip2.y1 - hip2.y2)) / 2) * 10
      const hip2Height = Math.round(hip2Base / Math.tan(((90 - nextDegree) * Math.PI) / 180))
      hip2.attributes.planeSize = Math.round(Math.sqrt(Math.pow(hip2.x1 - hip2.x2, 2) + Math.pow(hip2.y1 - hip2.y2, 2))) * 10
      hip2.attributes.actualSize = Math.round(Math.sqrt(Math.pow(hip2.attributes.planeSize, 2) + Math.pow(hip2Height, 2)))
      canvas?.add(hip2)
      roof.innerLines.push(hip2)

      hipLines.push(hip1)
      hipLines.push(hip2)

      hipLines.forEach((hip) => {
        const singHipX = Math.sign(hip.x1 - midWallX)
        const singHipY = Math.sign(hip.y1 - midWallY)

        hip.set({
          x1: hip.x1,
          y1: hip.y1,
          x2: hip.x1 - singHipX * currentRoof.attributes.width,
          y2: hip.y1 - singHipY * currentRoof.attributes.width,
        })
      })

      hipLines.forEach((hip, i) => {
        const gableLine = new QLine([hip.x2, hip.y2, currentRoof.attributes.ridgeCoordinate.x1, currentRoof.attributes.ridgeCoordinate.y1], {
          fontSize: roof.fontSize,
          stroke: 'red',
          strokeWidth: 1,
          name: LINE_TYPE.SUBLINE.GABLE,
          attributes: {
            roofId: roof.id,
            currentRoof: currentRoof.id,
            actualSize: 0,
          },
        })
        const gableDegree = i === 0 ? prevDegree : nextDegree
        const gableBase = ((Math.abs(gableLine.x1 - gableLine.x2) + Math.abs(gableLine.y1 - gableLine.y2)) / 2) * 10
        const gableHeight = Math.round(gableBase / Math.tan(((90 - gableDegree) * Math.PI) / 180))
        gableLine.attributes.planeSize =
          Math.round(Math.sqrt(Math.pow(gableLine.x1 - gableLine.x2, 2) + Math.pow(gableLine.y1 - gableLine.y2, 2))) * 10
        gableLine.attributes.actualSize = Math.round(Math.sqrt(Math.pow(gableLine.attributes.planeSize, 2) + Math.pow(gableHeight, 2)))
        canvas?.add(gableLine)
        roof.innerLines.push(gableLine)
      })
    }
  }
  canvas?.renderAll()
}

/**
 * 반절처 지붕으로 변경
 * @param currentRoof
 * @param canvas
 */
const changeJerkInHeadRoof = (currentRoof, canvas) => {
  if (
    currentRoof.attributes.type === LINE_TYPE.WALLLINE.JERKINHEAD &&
    currentRoof.attributes.width !== undefined &&
    currentRoof.attributes.width > 0
  ) {
    const roofId = currentRoof.attributes.roofId
    const wall = canvas?.getObjects().find((object) => object.name === POLYGON_TYPE.WALL && object.attributes.roofId === roofId)
    const roof = canvas?.getObjects().find((object) => object.name === POLYGON_TYPE.ROOF && object.id === roofId)
    let hipLines = canvas?.getObjects().filter((object) => object.name === LINE_TYPE.SUBLINE.HIP && object.attributes.roofId === roofId)
    let ridgeLines = canvas?.getObjects().filter((object) => object.name === LINE_TYPE.SUBLINE.RIDGE && object.attributes.roofId === roofId)
    let wallLine = wall.lines.filter((w) => w.id === currentRoof.attributes.wallLine)
    if (wallLine.length > 0) {
      wallLine = wallLine[0]
    }

    let prevRoof, nextRoof
    roof.lines.forEach((r, index) => {
      if (r.id === currentRoof.id) {
        currentRoof = r
        prevRoof = roof.lines[index === 0 ? roof.lines.length - 1 : index - 1]
        nextRoof = roof.lines[index === roof.lines.length - 1 ? 0 : index + 1]
      }
    })

    const prevDegree = prevRoof.attributes.pitch > 0 ? getDegreeByChon(prevRoof.attributes.pitch) : prevRoof.attributes.degree
    const nextDegree = nextRoof.attributes.pitch > 0 ? getDegreeByChon(nextRoof.attributes.pitch) : nextRoof.attributes.degree

    const midX = (currentRoof.x1 + currentRoof.x2) / 2 // 지붕의 X 중심
    const midY = (currentRoof.y1 + currentRoof.y2) / 2 // 지붕의 Y 중심
    const midWallX = (wallLine.x1 + wallLine.x2) / 2 // 벽의 X 중심
    const midWallY = (wallLine.y1 + wallLine.y2) / 2 // 벽의 Y 중심
    const alpha = midX - midWallX // 벽과 지붕의 X 거리
    const beta = midY - midWallY // 벽과 지붕의 Y 거리
    const hypotenuse = Math.sqrt(Math.pow(alpha, 2) + Math.pow(beta, 2)) // 벽과 지붕의 거리
    const xWidth = Math.sign(midX - midWallX) * (alpha / hypotenuse) * (currentRoof.attributes.width / 2) // 지붕의 X 너비
    const yWidth = Math.sign(midY - midWallY) * (beta / hypotenuse) * (currentRoof.attributes.width / 2) // 지붕의 Y 너비
    const addHipX2 = Math.sign(midX - midWallX) * (alpha / hypotenuse) * (currentRoof.length / 2) // 추녀마루의 X 너비
    const addHipY2 = Math.sign(midY - midWallY) * (beta / hypotenuse) * (currentRoof.length / 2) // 추녀마루의 Y 너비
    let hipX2 = 0
    let hipY2 = 0

    if (Math.sqrt(Math.pow(xWidth, 2) + Math.pow(yWidth, 2)) < Math.sqrt(Math.pow(addHipX2, 2) + Math.pow(addHipY2, 2))) {
      // reDrawPolygon(roof, canvas)

      const innerLines = canvas
        ?.getObjects()
        .filter(
          (object) =>
            object.attributes !== undefined &&
            object.attributes.roofId === roofId &&
            object.attributes.currentRoof === currentRoof.id &&
            object.x1 !== undefined &&
            object.x2 !== undefined,
        )

      innerLines
        .filter(
          (line) =>
            line.name !== LINE_TYPE.SUBLINE.RIDGE &&
            line.name !== LINE_TYPE.SUBLINE.HIP &&
            line.name !== LINE_TYPE.SUBLINE.VALLEY &&
            line.name !== OUTER_LINE_TYPE.OUTER_LINE,
        )
        .forEach((line) => {
          roof.innerLines = roof.innerLines.filter((l) => l.id !== line.id)
          canvas?.remove(line)
        })

      ridgeLines = ridgeLines.filter(
        (ridge) =>
          (ridge.x1 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y1 === currentRoof.attributes.ridgeCoordinate.y1) ||
          (ridge.x2 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y2 === currentRoof.attributes.ridgeCoordinate.y1),
      )
      hipLines = hipLines.filter(
        (hip) => (hip.x1 === currentRoof.x1 && hip.y1 === currentRoof.y1) || (hip.x1 === currentRoof.x2 && hip.y1 === currentRoof.y2),
      )

      if (hipLines === undefined || hipLines.length === 0) {
        hipLines = innerLines.filter(
          (line) =>
            (line.x1 === currentRoof.x1 && line.y1 === currentRoof.y1) ||
            (line.x2 === currentRoof.x1 && line.y2 === currentRoof.y1) ||
            (line.x1 === currentRoof.x2 && line.y1 === currentRoof.y2) ||
            (line.x2 === currentRoof.x2 && line.y2 === currentRoof.y2),
        )
      }

      if ((ridgeLines === undefined || ridgeLines.length === 0) && hipLines.length >= 2) {
        let points = []
        hipLines.forEach((hip) => {
          points.push({ x: hip.x1, y: hip.y1 })
          points.push({ x: hip.x2, y: hip.y2 })
        })

        const pointSet = new Set()
        const duplicatePoints = []

        points.forEach((point) => {
          const pointKey = `${point.x},${point.y}`
          if (pointSet.has(pointKey)) {
            duplicatePoints.push(point)
          } else {
            pointSet.add(pointKey)
          }
        })

        ridgeLines = innerLines
          .filter((r) => r !== hipLines[0] && r !== hipLines[1])
          .filter(
            (r) =>
              (r.x1 === duplicatePoints[0].x && r.y1 === duplicatePoints[0].y) || (r.x2 === duplicatePoints[0].x && r.y2 === duplicatePoints[0].y),
          )
        if (ridgeLines.length > 0) {
          currentRoof.attributes.ridgeCoordinate = { x1: duplicatePoints[0].x, y1: duplicatePoints[0].y }
        }
      }

      hipLines.forEach((hip) => {
        roof.innerLines = roof.innerLines.filter((h) => h.id !== hip.id)
        canvas.remove(hip)
      })

      if (ridgeLines.length > 0) {
        const ridge = ridgeLines[0]
        if (ridge.x1 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y1 === currentRoof.attributes.ridgeCoordinate.y1) {
          ridge.set({
            x1: midX + xWidth,
            y1: midY + yWidth,
            x2: ridge.x2,
            y2: ridge.y2,
          })

          currentRoof.attributes.ridgeCoordinate = { x1: ridge.x1, y1: ridge.y1 }
          hipX2 = midX + xWidth
          hipY2 = midY + yWidth
        }
        if (ridge.x2 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y2 === currentRoof.attributes.ridgeCoordinate.y1) {
          ridge.set({
            x1: ridge.x1,
            y1: ridge.y1,
            x2: midX - xWidth,
            y2: midY - yWidth,
          })

          currentRoof.attributes.ridgeCoordinate = { x1: ridge.x2, y1: ridge.y2 }
          hipX2 = midX - xWidth
          hipY2 = midY - yWidth
        }
        ridge.attributes.planeSize = Math.round(Math.sqrt(Math.pow(ridge.x1 - ridge.x2, 2) + Math.pow(ridge.y1 - ridge.y2, 2)) * 10)
        ridge.attributes.actualSize = Math.round(Math.sqrt(Math.pow(ridge.x1 - ridge.x2, 2) + Math.pow(ridge.y1 - ridge.y2, 2)) * 10)
      }

      let hipX1 = (Math.sign(currentRoof.x1 - midX) * currentRoof.attributes.width) / 2
      let hipY1 = (Math.sign(currentRoof.y1 - midY) * currentRoof.attributes.width) / 2

      const gable1 = new QLine([midX + hipX1, midY + hipY1, hipX2, hipY2], {
        fontSize: roof.fontSize,
        stroke: 'red',
        strokeWidth: 1,
        name: LINE_TYPE.SUBLINE.GABLE,
        attributes: {
          roofId: roof.id,
          currentRoofId: currentRoof.id,
          actualSize: 0,
        },
      })
      const gableDegree = currentRoof.attributes.degree > 0 ? currentRoof.attributes.degree : getDegreeByChon(currentRoof.attributes.pitch)
      const gable1Base = ((Math.abs(gable1.x1 - gable1.x2) + Math.abs(gable1.y1 - gable1.y2)) / 2) * 10
      const gable1Height = Math.round(gable1Base / Math.tan(((90 - gableDegree) * Math.PI) / 180))
      gable1.attributes.planeSize = Math.round(Math.sqrt(Math.pow(gable1.x1 - gable1.x2, 2) + Math.pow(gable1.y1 - gable1.y2, 2))) * 10
      gable1.attributes.actualSize = Math.round(Math.sqrt(Math.pow(gable1.attributes.planeSize, 2) + Math.pow(gable1Height, 2)))
      canvas?.add(gable1)
      roof.innerLines.push(gable1)

      hipX1 = (Math.sign(currentRoof.x2 - midX) * currentRoof.attributes.width) / 2
      hipY1 = (Math.sign(currentRoof.y2 - midY) * currentRoof.attributes.width) / 2

      const gable2 = new QLine([midX + hipX1, midY + hipY1, hipX2, hipY2], {
        fontSize: roof.fontSize,
        stroke: 'red',
        strokeWidth: 1,
        name: LINE_TYPE.SUBLINE.GABLE,
        attributes: {
          roofId: roof.id,
          currentRoofId: currentRoof.id,
          actualSize: 0,
        },
      })
      const gable2Base = ((Math.abs(gable2.x1 - gable2.x2) + Math.abs(gable2.y1 - gable2.y2)) / 2) * 10
      const gable2Height = Math.round(gable2Base / Math.tan(((90 - gableDegree) * Math.PI) / 180))
      gable2.attributes.planeSize = Math.round(Math.sqrt(Math.pow(gable2.x1 - gable2.x2, 2) + Math.pow(gable2.y1 - gable2.y2, 2))) * 10
      gable2.attributes.actualSize = Math.round(Math.sqrt(Math.pow(gable2.attributes.planeSize, 2) + Math.pow(gable2Height, 2)))
      canvas?.add(gable2)
      roof.innerLines.push(gable2)

      const gable3 = new QLine([gable1.x1, gable1.y1, gable2.x1, gable2.y1], {
        fontSize: roof.fontSize,
        stroke: 'red',
        strokeWidth: 1,
        name: LINE_TYPE.SUBLINE.GABLE,
        attributes: {
          roofId: roof.id,
          currentRoofId: currentRoof.id,
          actualSize: 0,
        },
      })
      gable3.attributes.planeSize = Math.round(Math.sqrt(Math.pow(gable3.x1 - gable3.x2, 2) + Math.pow(gable3.y1 - gable3.y2, 2))) * 10
      gable3.attributes.actualSize = Math.round(Math.sqrt(Math.pow(gable3.x1 - gable3.x2, 2) + Math.pow(gable3.y1 - gable3.y2, 2))) * 10
      canvas?.add(gable3)
      roof.innerLines.push(gable3)

      const hip1 = new QLine([currentRoof.x1, currentRoof.y1, gable1.x1, gable1.y1], {
        fontSize: roof.fontSize,
        stroke: 'red',
        strokeWidth: 1,
        name: LINE_TYPE.SUBLINE.GABLE,
        attributes: {
          roofId: roof.id,
          currentRoofId: currentRoof.id,
          actualSize: 0,
        },
      })
      const hip1Base = ((Math.abs(hip1.x1 - hip1.x2) + Math.abs(hip1.y1 - hip1.y2)) / 2) * 10
      const hip1Height = Math.round(hip1Base / Math.tan(((90 - prevDegree) * Math.PI) / 180))
      hip1.attributes.planeSize = Math.round(Math.sqrt(Math.pow(hip1.x1 - hip1.x2, 2) + Math.pow(hip1.y1 - hip1.y2, 2))) * 10
      hip1.attributes.actualSize = Math.round(Math.sqrt(Math.pow(hip1.attributes.planeSize, 2) + Math.pow(hip1Height, 2)))
      canvas?.add(hip1)
      roof.innerLines.push(hip1)

      const hip2 = new QLine([currentRoof.x2, currentRoof.y2, gable2.x1, gable2.y1], {
        fontSize: roof.fontSize,
        stroke: 'red',
        strokeWidth: 1,
        name: LINE_TYPE.SUBLINE.HIP,
        attributes: {
          roofId: roof.id,
          currentRoofId: currentRoof.id,
          actualSize: 0,
        },
      })
      const hip2Base = ((Math.abs(hip2.x1 - hip2.x2) + Math.abs(hip2.y1 - hip2.y2)) / 2) * 10
      const hip2Height = Math.round(hip2Base / Math.tan(((90 - nextDegree) * Math.PI) / 180))
      hip2.attributes.planeSize = Math.round(Math.sqrt(Math.pow(hip2.x1 - hip2.x2, 2) + Math.pow(hip2.y1 - hip2.y2, 2))) * 10
      hip2.attributes.actualSize = Math.round(Math.sqrt(Math.pow(hip2.attributes.planeSize, 2) + Math.pow(hip2Height, 2)))
      canvas?.add(hip2)
      roof.innerLines.push(hip2)
    }
  }
}

/**
 * 벽지붕으로 변경
 * @param currentRoof
 * @param canvas
 */
const changeWallRoof = (currentRoof, canvas) => {
  const roofId = currentRoof.attributes.roofId
  const roof = canvas?.getObjects().find((object) => object.name === 'roof' && object.id === roofId)
  const roofLines = roof.lines
  let prevRoof, nextRoof
  roofLines.forEach((r, index) => {
    if (r.id === currentRoof.id) {
      currentRoof = r
      prevRoof = roofLines[index === 0 ? roofLines.length - 1 : index - 1]
      nextRoof = roofLines[index === roofLines.length - 1 ? 0 : index + 1]
    }
  })

  const wall = canvas?.getObjects().find((object) => object.name === 'wall' && object.attributes.roofId === roofId)
  let wallLine = wall.lines.filter((w) => w.id === currentRoof.attributes.wallLine)
  let hipLines = canvas?.getObjects().filter((object) => object.name === LINE_TYPE.SUBLINE.HIP && object.attributes.roofId === roofId)
  let ridgeLines = canvas?.getObjects().filter((object) => object.name === LINE_TYPE.SUBLINE.RIDGE && object.attributes.roofId === roofId)

  if (wallLine.length > 0) {
    wallLine = wallLine[0]
  }

  ridgeLines = ridgeLines.filter(
    (ridge) =>
      (ridge.x1 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y1 === currentRoof.attributes.ridgeCoordinate.y1) ||
      (ridge.x2 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y2 === currentRoof.attributes.ridgeCoordinate.y1),
  )
  hipLines = hipLines.filter(
    (hip) => (hip.x1 === currentRoof.x1 && hip.y1 === currentRoof.y1) || (hip.x1 === currentRoof.x2 && hip.y1 === currentRoof.y2),
  )

  const wallMidX = (wallLine.x1 + wallLine.x2) / 2
  const wallMidY = (wallLine.y1 + wallLine.y2) / 2
  const roofMidX = (currentRoof.x1 + currentRoof.x2) / 2
  const roofMidY = (currentRoof.y1 + currentRoof.y2) / 2

  const alpha = wallMidX - roofMidX === 0 ? 0 : wallMidX - roofMidX
  const beta = wallMidY - roofMidY === 0 ? 0 : wallMidY - roofMidY

  currentRoof.set({
    x1: currentRoof.x1 + alpha,
    y1: currentRoof.y1 + beta,
    x2: currentRoof.x2 + alpha,
    y2: currentRoof.y2 + beta,
  })

  prevRoof.set({
    x1: prevRoof.x1,
    y1: prevRoof.y1,
    x2: prevRoof.x2 + alpha,
    y2: prevRoof.y2 + beta,
  })

  nextRoof.set({
    x1: nextRoof.x1 + alpha,
    y1: nextRoof.y1 + beta,
    x2: nextRoof.x2,
    y2: nextRoof.y2,
  })

  const innerLines = canvas
    ?.getObjects()
    .filter(
      (object) =>
        object.attributes !== undefined &&
        object.attributes.roofId === roofId &&
        object.attributes.currentRoof === currentRoof.id &&
        object.x1 !== undefined &&
        object.x2 !== undefined,
    )

  innerLines
    .filter(
      (line) =>
        line.name !== LINE_TYPE.SUBLINE.RIDGE &&
        line.name !== LINE_TYPE.SUBLINE.HIP &&
        line.name !== LINE_TYPE.SUBLINE.VALLEY &&
        line.name !== OUTER_LINE_TYPE.OUTER_LINE,
    )
    .forEach((line) => {
      roof.innerLines = roof.innerLines.filter((l) => l.id !== line.id)
      canvas?.remove(line)
    })

  const prevDegree = prevRoof.attributes.pitch > 0 ? getDegreeByChon(prevRoof.attributes.pitch) : prevRoof.attributes.degree
  const nextDegree = nextRoof.attributes.pitch > 0 ? getDegreeByChon(nextRoof.attributes.pitch) : nextRoof.attributes.degree

  if (currentRoof.attributes.sleeve && currentRoof.attributes.width > 0 && prevRoof.attributes.offset > 0 && nextRoof.attributes.offset > 0) {
    const prevSignX = Math.sign(prevRoof.x1 - prevRoof.x2)
    const prevSignY = Math.sign(prevRoof.y1 - prevRoof.y2)
    const nextSignX = Math.sign(nextRoof.x1 - nextRoof.x2)
    const nextSignY = Math.sign(nextRoof.y1 - nextRoof.y2)

    const prevWidthX = prevSignX === 0 ? 0 : prevSignX * currentRoof.attributes.width
    const prevWidthY = prevSignY === 0 ? 0 : prevSignY * currentRoof.attributes.width
    const nextWidthX = nextSignX === 0 ? 0 : nextSignX * currentRoof.attributes.width
    const nextWidthY = nextSignY === 0 ? 0 : nextSignY * currentRoof.attributes.width
    const prevX2 = prevRoof.x2 - prevWidthX
    const prevY2 = prevRoof.y2 - prevWidthY
    const nextX1 = nextRoof.x1 + nextWidthX
    const nextY1 = nextRoof.y1 + nextWidthY

    currentRoof.set({
      x1: wallLine.x1,
      y1: wallLine.y1,
      x2: wallLine.x2,
      y2: wallLine.y2,
    })

    prevRoof.set({
      x1: prevRoof.x1,
      y1: prevRoof.y1,
      x2: prevX2,
      y2: prevY2,
    })

    nextRoof.set({
      x1: nextX1,
      y1: nextY1,
      x2: nextRoof.x2,
      y2: nextRoof.y2,
    })

    const addPrevWallLine1 = new QLine([prevX2, prevY2, wallLine.x1 - prevWidthX, wallLine.y1 - prevWidthY], {
      fontSize: roof.fontSize,
      stroke: 'red',
      strokeWidth: 1,
      name: 'roofLine',
      attributes: { roofId: roofId, type: LINE_TYPE.WALLLINE.ETC },
    })

    const addPrevWallLine2 = new QLine(
      [addPrevWallLine1.x2, addPrevWallLine1.y2, addPrevWallLine1.x2 + prevWidthX, addPrevWallLine1.y2 + prevWidthY],
      {
        fontSize: roof.fontSize,
        stroke: 'cyan',
        strokeWidth: 1,
        name: 'roofLine',
        attributes: { roofId: roofId, type: LINE_TYPE.WALLLINE.ETC },
      },
    )

    const addNextWallLine1 = new QLine([wallLine.x2, wallLine.y2, wallLine.x2 + nextWidthX, wallLine.y2 + nextWidthY], {
      fontSize: roof.fontSize,
      stroke: 'green',
      strokeWidth: 1,
      name: 'roofLine',
      attributes: { roofId: roofId, type: LINE_TYPE.WALLLINE.ETC },
    })

    const addNextWallLine2 = new QLine([addNextWallLine1.x2, addNextWallLine1.y2, nextX1, nextY1], {
      fontSize: roof.fontSize,
      stroke: 'red',
      strokeWidth: 1,
      name: 'roofLine',
      attributes: { roofId: roofId, type: LINE_TYPE.WALLLINE.ETC },
    })

    canvas?.renderAll()
    const prevIndex = roof.lines.indexOf(prevRoof) + 1
    roof.lines.splice(prevIndex, 0, addPrevWallLine1, addPrevWallLine2)

    const nextIndex = roof.lines.indexOf(currentRoof) + 1
    roof.lines.splice(nextIndex, 0, addNextWallLine1, addNextWallLine2)
  }

  reDrawPolygon(roof, canvas)

  if (ridgeLines.length > 0) {
    const ridge = ridgeLines[0]
    if (ridge.x1 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y1 === currentRoof.attributes.ridgeCoordinate.y1) {
      const diffX = ridge.x1 - wallMidX === 0 ? 0 : ridge.x1 - wallMidX
      const diffY = ridge.y1 - wallMidY === 0 ? 0 : ridge.y1 - wallMidY

      ridge.set({
        x1: ridge.x1 - diffX,
        y1: ridge.y1 - diffY,
        x2: ridge.x2,
        y2: ridge.y2,
      })
    }
    if (ridge.x2 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y2 === currentRoof.attributes.ridgeCoordinate.y1) {
      const diffX = ridge.x2 - wallMidX === 0 ? 0 : ridge.x2 - wallMidX
      const diffY = ridge.y2 - wallMidY === 0 ? 0 : ridge.y2 - wallMidY

      ridge.set({
        x1: ridge.x1,
        y1: ridge.y1,
        x2: ridge.x2 - diffX,
        y2: ridge.y2 - diffY,
      })
    }
    ridge.attributes.planeSize = Math.round(Math.sqrt(Math.pow(ridge.x1 - ridge.x2, 2) + Math.pow(ridge.y1 - ridge.y2, 2)) * 10)
    ridge.attributes.actualSize = Math.round(Math.sqrt(Math.pow(ridge.x1 - ridge.x2, 2) + Math.pow(ridge.y1 - ridge.y2, 2)) * 10)

    let hip1 = new QLine([currentRoof.x1, currentRoof.y1, wallMidX, wallMidY], {
      fontSize: roof.fontSize,
      stroke: 'red',
      strokeWidth: 1,
      name: LINE_TYPE.SUBLINE.HIP,
      attributes: {
        roofId: roof.id,
        currentRoofId: currentRoof.id,
        actualSize: 0,
      },
    })
    const hip1Base = ((Math.abs(hip1.x1 - hip1.x2) + Math.abs(hip1.y1 - hip1.y2)) / 2) * 10
    const hip1Height = Math.round(hip1Base / Math.tan(((90 - prevDegree) * Math.PI) / 180))
    hip1.attributes.planeSize = Math.round(Math.sqrt(Math.pow(hip1.x1 - hip1.x2, 2) + Math.pow(hip1.y1 - hip1.y2, 2))) * 10
    hip1.attributes.actualSize = Math.round(Math.sqrt(Math.pow(hip1.attributes.planeSize, 2) + Math.pow(hip1Height, 2)))

    let hip2 = new QLine([currentRoof.x2, currentRoof.y2, wallMidX, wallMidY], {
      fontSize: roof.fontSize,
      stroke: 'red',
      strokeWidth: 1,
      name: LINE_TYPE.SUBLINE.HIP,
      attributes: {
        roofId: roof.id,
        currentRoofId: currentRoof.id,
        planeSize: currentRoof.length,
        actualSize: currentRoof.length,
      },
    })
    const hip2Base = ((Math.abs(hip2.x1 - hip2.x2) + Math.abs(hip2.y1 - hip2.y2)) / 2) * 10
    const hip2Height = Math.round(hip2Base / Math.tan(((90 - nextDegree) * Math.PI) / 180))
    hip2.attributes.planeSize = Math.round(Math.sqrt(Math.pow(hip2.x1 - hip2.x2, 2) + Math.pow(hip2.y1 - hip2.y2, 2))) * 10
    hip2.attributes.actualSize = Math.round(Math.sqrt(Math.pow(hip2.attributes.planeSize, 2) + Math.pow(hip2Height, 2)))
    canvas?.add(hip1)
    canvas?.add(hip2)
    roof.innerLines.push(hip1)
    roof.innerLines.push(hip2)
  }
  if (hipLines.length > 0) {
    hipLines.forEach((hip) => {
      roof.innerLines = roof.innerLines.filter((h) => h.id !== hip.id)
      canvas?.remove(hip)
    })
  }
}

/**
 * 지붕을 변경한다.
 * @param currentRoof
 * @param canvas
 */
export const changeCurrentRoof = (currentRoof, canvas) => {
  const roofId = currentRoof.attributes.roofId
  const originRoof = canvas?.getObjects().find((object) => object.name === 'roof' && object.id === roofId)
  const wall = canvas?.getObjects().find((object) => object.name === 'wall' && object.attributes.roofId === roofId)
  const wallLine = wall.lines.filter((w) => w.id === currentRoof.attributes.wallLine)[0]
  const innerLines = canvas
    ?.getObjects()
    .filter((object) => object.attributes !== undefined && object.attributes.roofId === roofId && object.x1 !== undefined && object.x2 !== undefined)

  wallLine.attributes.type = currentRoof.attributes.type
  wallLine.attributes.offset = currentRoof.attributes.offset
  wallLine.attributes.width = currentRoof.attributes.width
  wallLine.attributes.pitch = currentRoof.attributes.pitch
  wallLine.attributes.sleeve = currentRoof.attributes.sleeve

  canvas?.remove(originRoof)

  innerLines.filter((line) => line.name !== OUTER_LINE_TYPE.OUTER_LINE).forEach((line) => canvas?.remove(line))

  const polygon = createPolygon(wall.points)
  const originPolygon = new QPolygon(wall.points, { fontSize: 0 })
  originPolygon.setViewLengthText(false)
  let offsetPolygon

  let result = createRoofMarginPolygon(polygon, wall.lines).vertices
  const allPointsOutside = result.every((point) => !originPolygon.inPolygon(point))

  if (allPointsOutside) {
    offsetPolygon = createRoofMarginPolygon(polygon, wall.lines).vertices
  } else {
    offsetPolygon = createRoofPaddingPolygon(polygon, wall.lines).vertices
  }

  const newRoof = new QPolygon(offsetPolygon, {
    fill: originRoof.fill,
    stroke: originRoof.stroke,
    strokeWidth: originRoof.strokeWidth,
    selectable: originRoof.selectable,
    fontSize: originRoof.fontSize,
  })

  newRoof.name = POLYGON_TYPE.ROOF
  newRoof.setWall(wall)

  newRoof.lines.forEach((line, index) => {
    const lineLength = Math.sqrt(
      Math.pow(Math.round(Math.abs(line.x1 - line.x2) * 10), 2) + Math.pow(Math.round(Math.abs(line.y1 - line.y2) * 10), 2),
    )
    line.attributes = {
      roofId: newRoof.id,
      planeSize: lineLength,
      actualSize: lineLength,
      wallLine: wall.lines[index].id,
      type: wall.lines[index].attributes.type,
      offset: wall.lines[index].attributes.offset,
      width: wall.lines[index].attributes.width,
      pitch: wall.lines[index].attributes.pitch,
      sleeve: wall.lines[index].attributes.sleeve || false,
    }
  })
  wall.attributes = {
    roofId: newRoof.id,
  }

  wall.lines.forEach((line, index) => {
    line.attributes.roofId = newRoof.id
    line.attributes.currentRoof = newRoof.lines[index].id
  })
  canvas?.add(newRoof)
  canvas?.renderAll()

  newRoof.drawHelpLine()
}

/**
 * 지붕을 변경한다.
 * @param polygon
 * @param canvas
 */
const reDrawPolygon = (polygon, canvas) => {
  const lines = polygon.lines
  let point = []
  lines.forEach((line) => point.push({ x: line.x1, y: line.y1 }))

  canvas?.remove(polygon)

  const newPolygon = new QPolygon(point, {
    id: polygon.id,
    name: polygon.name,
    fill: polygon.fill,
    stroke: polygon.stroke,
    strokeWidth: polygon.strokeWidth,
    selectable: polygon.selectable,
    fontSize: polygon.fontSize,
    wall: polygon.wall !== undefined ? polygon.wall : null,
  })

  const newLines = newPolygon.lines

  newLines.forEach((line, index) => {
    lines.forEach((l, i) => {
      if (line.x1 === l.x1 && line.y1 === l.y1) {
        line.id = l.id
        line.attributes = l.attributes
      }
    })
    const lineLength = Math.sqrt(
      Math.pow(Math.round(Math.abs(line.x1 - line.x2) * 10), 2) + Math.pow(Math.round(Math.abs(line.y1 - line.y2) * 10), 2),
    )
    if (line.attributes !== undefined) {
      line.attributes.planeSize = lineLength
      line.attributes.actualSize = line
    } else {
      line.attributes = {
        roofId: newPolygon.id,
        planeSize: lineLength,
        actualSize: lineLength,
      }
    }
  })

  canvas?.add(newPolygon)
  canvas?.renderAll()

  return newPolygon
}

function createRoofMarginPolygon(polygon, lines, arcSegments = 0) {
  const offsetEdges = []

  polygon.edges.forEach((edge, i) => {
    const offset = lines[i % lines.length].attributes.offset
    const dx = edge.outwardNormal.x * offset
    const dy = edge.outwardNormal.y * offset
    offsetEdges.push(createOffsetEdge(edge, dx, dy))
  })

  const vertices = []

  offsetEdges.forEach((thisEdge, i) => {
    const prevEdge = offsetEdges[(i + offsetEdges.length - 1) % offsetEdges.length]
    const vertex = edgesIntersection(prevEdge, thisEdge)
    if (vertex && (!vertex.isIntersectionOutside || arcSegments < 1)) {
      vertices.push({
        x: vertex.x,
        y: vertex.y,
      })
    }
  })

  const marginPolygon = createPolygon(vertices)
  marginPolygon.offsetEdges = offsetEdges
  return marginPolygon
}

function createRoofPaddingPolygon(polygon, lines, arcSegments = 0) {
  const offsetEdges = []

  polygon.edges.forEach((edge, i) => {
    const offset = lines[i % lines.length].attributes.offset
    const dx = edge.inwardNormal.x * offset
    const dy = edge.inwardNormal.y * offset
    offsetEdges.push(createOffsetEdge(edge, dx, dy))
  })

  const vertices = []

  offsetEdges.forEach((thisEdge, i) => {
    const prevEdge = offsetEdges[(i + offsetEdges.length - 1) % offsetEdges.length]
    const vertex = edgesIntersection(prevEdge, thisEdge)
    if (vertex && (!vertex.isIntersectionOutside || arcSegments < 1)) {
      vertices.push({
        x: vertex.x,
        y: vertex.y,
      })
    }
  })

  const paddingPolygon = createPolygon(vertices)
  paddingPolygon.offsetEdges = offsetEdges
  return paddingPolygon
}

function arePointsEqual(point1, point2) {
  return Math.abs(point1.x - point2.x) <= 1 && Math.abs(point1.y - point2.y) <= 1
}

function arraysHaveSamePoints(array1, array2) {
  if (array1.length !== array2.length) return false

  const sortedArray1 = array1.slice().sort((a, b) => a.x - b.x || a.y - b.y)
  const sortedArray2 = array2.slice().sort((a, b) => a.x - b.x || a.y - b.y)

  for (let i = 0; i < sortedArray1.length; i++) {
    if (!arePointsEqual(sortedArray1[i], sortedArray2[i])) {
      return false
    }
  }

  return true
}

export const toGeoJSON = (pointsArray) => {
  // 객체 배열을 GeoJSON 형식의 좌표 배열로 변환
  const coordinates = pointsArray.map((point) => [point.x, point.y])

  // 닫힌 다각형을 만들기 위해 첫 번째 점을 마지막에 추가
  coordinates.push([pointsArray[0].x, pointsArray[0].y])

  return coordinates
}

export const inPolygon = (polygonPoints, rectPoints) => {
  const polygonCoordinates = toGeoJSON(polygonPoints)
  const rectCoordinates = toGeoJSON(rectPoints)

  const polygonFeature = turf.polygon([polygonCoordinates])
  const rectFeature = turf.polygon([rectCoordinates])

  // 사각형의 모든 꼭짓점이 다각형 내부에 있는지 확인
  const allPointsInsidePolygon = rectCoordinates.every((coord) => {
    const point = turf.point(coord)
    return turf.booleanPointInPolygon(point, polygonFeature)
  })

  // 다각형의 모든 점이 사각형 내부에 있지 않은지 확인
  const noPolygonPointsInsideRect = polygonCoordinates.every((coord) => {
    const point = turf.point(coord)
    return !turf.booleanPointInPolygon(point, rectFeature)
  })

  return allPointsInsidePolygon && noPolygonPointsInsideRect
}