import { fabric } from 'fabric'
import { QLine } from '@/components/fabric/QLine'
import { getDegreeByChon } 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 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)
}

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) {
  const 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,
  }
}

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) {
  let startAngle = Math.atan2(startVertex.y - center.y, startVertex.x - center.x)
  let 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
    }
  }
}

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)) <= 2 && Math.abs(Math.round(a.y) - Math.round(b.y)) <= 2
}

/**
 *  박공지붕(templateA, templateB)을 그린다.
 * @param roofId
 * @param canvas
 */
export const drawGabledRoof = (roofId, canvas) => {
  const roof = canvas?.getObjects().find((object) => object.id === roofId)
  const roofLines = roof.lines
  const wallLines = canvas?.getObjects().find((object) => object.name === POLYGON_TYPE.WALL && object.attributes.roofId === roof.id).lines
  const hasNonParallelLines = roofLines.filter((line) => line.x1 !== line.x2 && line.y1 !== line.y2)
  if (hasNonParallelLines.length > 0) {
    alert('대각선이 존재합니다.')
    return
  }

  // const roofPoints = roof.points
  // const minX = Math.min(...roofPoints.map((point) => point.x))
  // const maxX = Math.max(...roofPoints.map((point) => point.x))
  // const minY = Math.min(...roofPoints.map((point) => point.y))
  // const maxY = Math.max(...roofPoints.map((point) => point.y))

  // 맞은편 라인을 찾기 위해 현재 polygon 으로 만들수 있는 최대한의 길이를 구한다.
  // const checkLength = Math.abs(Math.sqrt(Math.pow(maxX - minX, 2) + Math.pow(maxY - minY, 2)))

  // 처마라인의 기본속성 입력
  const eaves = []
  roofLines.forEach((currentRoof, index) => {
    if (currentRoof.attributes?.type === LINE_TYPE.WALLLINE.EAVES) {
      eaves.push({ index: index, roof: currentRoof, length: currentRoof.attributes.planeSize })
    }
  })
  const ridges = []
  eaves.sort((a, b) => a.length - b.length)

  eaves.forEach((eave) => {
    const index = eave.index,
      currentRoof = eave.roof
    const currentWall = wallLines[index]

    const oppositeLine = roofLines
      .filter((line) => line !== currentRoof) // 현재 벽라인을 제외한 나머지 벽라인
      .filter((line) => {
        if (currentRoof.x1 === currentRoof.x2) {
          const vector = Math.sign(currentRoof.y1 - currentRoof.y2)
          const vector2 = Math.sign(currentRoof.x1 - currentWall.x1)
          return line.x1 === line.x2 && Math.sign(line.y1 - line.y2) === -vector && Math.sign(currentRoof.x1 - line.x1) === vector2
        }
        if (currentRoof.y1 === currentRoof.y2) {
          const vector = Math.sign(currentRoof.x1 - currentRoof.x2)
          const vector2 = Math.sign(currentRoof.y1 - currentWall.y1)
          return line.y1 === line.y2 && Math.sign(line.x1 - line.x2) === -vector && Math.sign(currentRoof.y1 - line.y1) === vector2
        }
      }) // 현재 벽라인과 직교하는 벽라인

    // 현재 벽라인과 직교하는 벽라인 사이에 마루를 그린다.
    oppositeLine.forEach((line) => {
      let points // 마루의 시작점과 끝점
      if (currentRoof.x1 === currentRoof.x2) {
        const currentRoofYRange = [Math.min(currentRoof.y1, currentRoof.y2), Math.max(currentRoof.y1, currentRoof.y2)]
        const lineYRange = [Math.min(line.y1, line.y2), Math.max(line.y1, line.y2)]
        const overlapYRange = [Math.max(currentRoofYRange[0], lineYRange[0]), Math.min(currentRoofYRange[1], lineYRange[1])]
        if (overlapYRange[1] - overlapYRange[0] > 0) {
          const centerX = Math.round(((currentRoof.x1 + line.x1) / 2) * 10) / 10
          points = [centerX, overlapYRange[0], centerX, overlapYRange[1]]
        }
      }
      if (currentRoof.y1 === currentRoof.y2) {
        const currentRoofXRange = [Math.min(currentRoof.x1, currentRoof.x2), Math.max(currentRoof.x1, currentRoof.x2)]
        const lineXRange = [Math.min(line.x1, line.x2), Math.max(line.x1, line.x2)]
        const overlapXRange = [Math.max(currentRoofXRange[0], lineXRange[0]), Math.min(currentRoofXRange[1], lineXRange[1])]
        if (overlapXRange[1] - overlapXRange[0] > 0) {
          const centerY = Math.round(((currentRoof.y1 + line.y1) / 2) * 10) / 10
          points = [overlapXRange[0], centerY, overlapXRange[1], centerY]
        }
      }
      // 마루를 그린다.
      if (points) {
        const ridge = new QLine(points, {
          fontSize: roof.fontSize,
          stroke: '#1083E3',
          strokeWidth: 1,
          name: LINE_TYPE.SUBLINE.RIDGE,
          attributes: { roofId: roof.id, currentRoof: [currentRoof.id] },
          visible: false,
        })
        const duplicateRidge = ridges.find(
          (ridge) => ridge.x1 === points[0] && ridge.y1 === points[1] && ridge.x2 === points[2] && ridge.y2 === points[3],
        )
        // 중복된 마루는 제외한다.
        if (duplicateRidge) {
          duplicateRidge.attributes.currentRoof.push(currentRoof.id)
        } else {
          canvas.add(ridge)
          canvas.renderAll()
          ridges.push(ridge)
        }
      }
    })
  })
  // 처마마다 지붕 polygon 을 그린다.
  eaves.forEach((eave) => {
    const index = eave.index,
      currentRoof = eave.roof
    const currentWall = wallLines[index]
    const currentRidges = ridges.filter((ridge) => ridge.attributes.currentRoof.includes(eave.roof.id))
    let points = []
    const signX = Math.sign(currentRoof.x1 - currentRoof.x2)
    let currentX1 = currentRoof.x1,
      currentY1 = currentRoof.y1,
      currentX2 = currentRoof.x2,
      currentY2 = currentRoof.y2
    let changeX1 = [Math.min(currentRoof.x1, currentRoof.x2), Math.min(currentRoof.x1, currentRoof.x2)],
      changeY1 = [Math.min(currentRoof.y1, currentRoof.y2), Math.min(currentRoof.y1, currentRoof.y2)],
      changeX2 = [Math.max(currentRoof.x2, currentRoof.x1), Math.max(currentRoof.x2, currentRoof.x1)],
      changeY2 = [Math.max(currentRoof.y2, currentRoof.y1), Math.max(currentRoof.y2, currentRoof.y1)]

    if (signX === 0) {
      currentY1 = Math.min(currentRoof.y1, currentRoof.y2, currentWall.y1, currentWall.y2)
      changeY1[1] = currentY1
      currentY2 = Math.max(currentRoof.y1, currentRoof.y2, currentWall.y1, currentWall.y2)
      changeY2[1] = currentY2
    } else {
      currentX1 = Math.min(currentRoof.x1, currentRoof.x2, currentWall.x1, currentWall.x2)
      changeX1[1] = currentX1
      currentX2 = Math.max(currentRoof.x1, currentRoof.x2, currentWall.x1, currentWall.x2)
      changeX2[1] = currentX2
    }
    points.push({ x: currentX1, y: currentY1 }, { x: currentX2, y: currentY2 })

    currentRidges.forEach((ridge) => {
      let ridgeX1 = ridge.x1,
        ridgeY1 = ridge.y1,
        ridgeX2 = ridge.x2,
        ridgeY2 = ridge.y2
      if (signX === 0) {
        ridgeY1 = Math.min(ridge.y1, ridge.y2)
        ridgeY2 = Math.max(ridge.y1, ridge.y2)
      } else {
        ridgeX1 = Math.min(ridge.x1, ridge.x2)
        ridgeX2 = Math.max(ridge.x1, ridge.x2)
      }
      points.push({ x: ridgeX1, y: ridgeY1 }, { x: ridgeX2, y: ridgeY2 })
    })

    points.forEach((point) => {
      if (point.x === changeX1[0] && changeX1[0] !== changeX1[1]) {
        point.x = changeX1[1]
      }
      if (point.x === changeX2[0] && changeX2[0] !== changeX2[1]) {
        point.x = changeX2[1]
      }
      if (point.y === changeY1[0] && changeY1[0] !== changeY1[1]) {
        point.y = changeY1[1]
      }
      if (point.y === changeY2[0] && changeY2[0] !== changeY2[1]) {
        point.y = changeY2[1]
      }
    })
    //중복된 point 제거
    points = points.filter((point, index, self) => index === self.findIndex((p) => p.x === point.x && p.y === point.y))
    //point 정렬 (가장 좌측, 최상단의 점을 기준으로 삼는다.)
    const startPoint = points
      .filter((point) => point.x === Math.min(...points.map((point) => point.x)))
      .reduce((prev, current) => {
        return prev.y < current.y ? prev : current
      })

    const sortedPoints = []
    sortedPoints.push(startPoint)

    points.forEach((p, index) => {
      if (index === 0) {
        //시작점 다음 점 찾기, y좌표가 startPoint.y 보다 큰 점 중 x좌표가 가까운 점
        const underStartPoint = points.filter((point) => point.y > startPoint.y)
        const nextPoint = underStartPoint
          .filter((point) => point.x === startPoint.x)
          .reduce((prev, current) => {
            if (prev === undefined) {
              return current
            }
            return Math.abs(prev.y - startPoint.y) < Math.abs(current.y - startPoint.y) ? prev : current
          }, undefined)
        if (nextPoint) {
          sortedPoints.push(nextPoint)
        } else {
          const nextPoint = underStartPoint.reduce((prev, current) => {
            const prevHypos = Math.sqrt(Math.abs(Math.pow(prev.x - startPoint.x, 2)) + Math.abs(Math.pow(prev.y - startPoint.y, 2)))
            const currentHypos = Math.sqrt(Math.abs(Math.pow(current.x - startPoint.x, 2)) + Math.abs(Math.pow(current.y - startPoint.y, 2)))
            return prevHypos < currentHypos ? prev : current
          }, undefined)
          sortedPoints.push(nextPoint)
        }
      } else {
        const lastPoint = sortedPoints[sortedPoints.length - 1]
        const prevPoint = sortedPoints[sortedPoints.length - 2]
        const otherPoints = points.filter((point) => sortedPoints.includes(point) === false)
        const nextPoint = otherPoints.reduce((prev, current) => {
          if (prev === undefined) {
            const height = Math.abs(Math.sqrt(Math.abs(Math.pow(prevPoint.x - lastPoint.x, 2)) + Math.abs(Math.pow(prevPoint.y - lastPoint.y, 2))))
            const adjacent = Math.abs(Math.sqrt(Math.abs(Math.pow(current.x - lastPoint.x, 2)) + Math.abs(Math.pow(current.y - lastPoint.y, 2))))
            const hypotenuse = Math.abs(Math.sqrt(Math.abs(Math.pow(current.x - prevPoint.x, 2)) + Math.abs(Math.pow(current.y - prevPoint.y, 2))))

            const angle = Math.round(
              Math.acos((Math.pow(adjacent, 2) + Math.pow(height, 2) - Math.pow(hypotenuse, 2)) / (2 * adjacent * height)) * (180 / Math.PI),
            )
            if (angle === 90) {
              return current
            }
          } else {
            return prev
          }
        }, undefined)
        if (nextPoint) {
          sortedPoints.push(nextPoint)
        } else {
          const nextPoint = otherPoints.reduce((prev, current) => {
            if (prev !== undefined) {
              const height = Math.abs(Math.sqrt(Math.abs(Math.pow(prevPoint.x - lastPoint.x, 2)) + Math.abs(Math.pow(prevPoint.y - lastPoint.y, 2))))
              const adjacentC = Math.abs(Math.sqrt(Math.abs(Math.pow(current.x - lastPoint.x, 2)) + Math.abs(Math.pow(current.y - lastPoint.y, 2))))
              const hypotenuseC = Math.abs(Math.sqrt(Math.abs(Math.pow(current.x - prevPoint.x, 2)) + Math.abs(Math.pow(current.y - prevPoint.y, 2))))
              const angleC = Math.round(
                Math.acos((Math.pow(adjacentC, 2) + Math.pow(height, 2) - Math.pow(hypotenuseC, 2)) / (2 * adjacentC * height)) * (180 / Math.PI),
              )
              const adjacentP = Math.abs(Math.sqrt(Math.abs(Math.pow(prev.x - lastPoint.x, 2)) + Math.abs(Math.pow(prev.y - lastPoint.y, 2))))
              const hypotenuseP = Math.abs(Math.sqrt(Math.abs(Math.pow(prev.x - prevPoint.x, 2)) + Math.abs(Math.pow(prev.y - prevPoint.y, 2))))
              const angleP = Math.round(
                Math.acos((Math.pow(adjacentP, 2) + Math.pow(height, 2) - Math.pow(hypotenuseP, 2)) / (2 * adjacentP * height)) * (180 / Math.PI),
              )
              if (Math.abs(90 - angleC) < Math.abs(90 - angleP)) {
                return current
              } else {
                return prev
              }
            } else {
              return current
            }
          }, undefined)
          if (nextPoint) {
            sortedPoints.push(nextPoint)
          }
        }
      }
    })

    if (sortedPoints.length > 0) {
      const roofPolygon = new QPolygon(sortedPoints, {
        fill: 'transparent',
        stroke: '#1083E3',
        strokeWidth: 2,
        selectable: false,
        fontSize: roof.fontSize,
        name: 'roofPolygon',
        attributes: {
          roofId: roof.id,
          currentRoof: currentRoof.id,
          pitch: currentRoof.attributes.pitch,
          degree: currentRoof.attributes.degree,
          direction: currentRoof.direction,
        },
      })
      const currentDegree = currentRoof.attributes.pitch > 0 ? getDegreeByChon(currentRoof.attributes.pitch) : currentRoof.attributes.degree
      //지붕 각도에 따른 실측치 조정
      roofPolygon.lines.forEach((line) => {
        line.attributes.planeSize = Math.round(Math.sqrt(Math.pow(line.x2 - line.x1, 2) + Math.pow(line.y2 - line.y1, 2)) * 10)
        const slope = (line) => (line.x2 - line.x1 === 0 ? Infinity : (line.y2 - line.y1) / (line.x2 - line.x1))

        if (currentDegree > 0 && slope(line) !== slope(currentRoof)) {
          const height = Math.tan(currentDegree * (Math.PI / 180)) * line.attributes.planeSize
          line.attributes.actualSize = Math.round(Math.sqrt(Math.pow(line.attributes.planeSize, 2) + Math.pow(height, 2)))
        } else {
          line.attributes.actualSize = line.attributes.planeSize
        }
      })
      roof.separatePolygon.push(roofPolygon)
      canvas.add(roofPolygon)
      canvas.renderAll()
    }
  })

  if (ridges.length > 0) {
    ridges.forEach((ridge) => roof.innerLines.push(ridge))
  }
  //기준선 제거
  // ridges.forEach((ridge) => canvas.remove(ridge))

  eaves.forEach((eave) => {
    const currentRoof = eave.roof
    let currentRidges = ridges.filter((ridge) => ridge.attributes.currentRoof.includes(currentRoof.id))
    if (Math.sign(currentRoof.x1 - currentRoof.x2) === 0) {
      currentRidges = currentRidges.reduce((farthest, ridge) => {
        const currentDistance = Math.abs(ridge.x1 - currentRoof.x1)
        const farthestDistance = farthest ? Math.abs(farthest.x1 - currentRoof.x1) : 0
        return currentDistance > farthestDistance ? ridge : farthest
      }, null)
    } else {
      currentRidges = currentRidges.reduce((farthest, ridge) => {
        const currentDistance = Math.abs(ridge.y1 - currentRoof.y1)
        const farthestDistance = farthest ? Math.abs(farthest.y1 - currentRoof.y1) : 0
        return currentDistance > farthestDistance ? ridge : farthest
      }, null)
    }
    if (currentRidges) {
      const ridgeMidX = (currentRidges.x1 + currentRidges.x2) / 2
      const ridgeMidY = (currentRidges.y1 + currentRidges.y2) / 2
      const x2 = Math.sign(currentRidges.x1 - currentRidges.x2) === 0 ? currentRoof.x1 : ridgeMidX
      const y2 = Math.sign(currentRidges.x1 - currentRidges.x2) === 0 ? ridgeMidY : currentRoof.y1

      const centerLine = new QLine([ridgeMidX, ridgeMidY, x2, y2], {
        stroke: '#000000',
        strokeWidth: 2,
        strokeDashArray: [5, 5],
        selectable: false,
        fontSize: roof.fontSize,
        attributes: {
          roofId: roof.id,
          type: 'pitchSizeLine',
        },
      })
      const adjust = Math.sqrt(
        Math.pow(Math.round(Math.abs(centerLine.x1 - centerLine.x2) * 10), 2) + Math.pow(Math.round(Math.abs(centerLine.y1 - centerLine.y2) * 10), 2),
      )
      const currentDegree = currentRoof.attributes.pitch > 0 ? getDegreeByChon(currentRoof.attributes.pitch) : currentRoof.attributes.degree
      const height = Math.tan(currentDegree * (Math.PI / 180)) * adjust
      const lengthText = Math.round(Math.sqrt(Math.pow(adjust, 2) + Math.pow(height, 2)))
      canvas.add(centerLine)
      canvas.renderAll()
      centerLine.setLengthText(lengthText)
      roof.innerLines.push(centerLine)
    }
  })
}

/**
 * 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) => Math.abs(line.x1 - line.x2) > 1 && Math.abs(line.y1 - line.y2) > 1)
  if (hasNonParallelLines.length > 0) {
    alert('대각선이 존재합니다.')
    return
  }

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

  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)))
  })

  const pitchSizeLines = []

  sheds.forEach((shed) => {
    let points = []
    let x1, y1, x2, y2
    const signX = Math.sign(shed.x1 - shed.x2)
    if (signX !== 0) {
      points.push(shed.x1, shed.x2)
      y1 = shed.y1
    } else {
      points.push(shed.y1, shed.y2)
      x1 = shed.x1
    }
    eaves.forEach((eave) => {
      if (signX !== 0) {
        points.push(eave.x1, eave.x2)
        points.sort((a, b) => a - b)
        x1 = (points[1] + points[2]) / 2
        x2 = (points[1] + points[2]) / 2
        y2 = eave.y1
      } else {
        points.push(eave.y1, eave.y2)
        points.sort((a, b) => a - b)
        y1 = (points[1] + points[2]) / 2
        y2 = (points[1] + points[2]) / 2
        x2 = eave.x1
      }
      points.sort((a, b) => a - b)
      const line = new QLine([x1, y1, x2, y2], {
        stroke: '#000000',
        strokeWidth: 2,
        strokeDashArray: [5, 5],
        selectable: false,
        fontSize: roof.fontSize,
        attributes: {
          roofId: roof.id,
          type: 'pitchSizeLine',
        },
      })
      pitchSizeLines.push(line)
    })
  })

  const maxLine = pitchSizeLines.reduce((prev, current) => (prev.length > current.length ? prev : current), pitchSizeLines[0])
  canvas.add(maxLine)
  canvas.renderAll()

  const adjust = Math.sqrt(
    Math.pow(Math.round(Math.abs(maxLine.x1 - maxLine.x2) * 10), 2) + Math.pow(Math.round(Math.abs(maxLine.y1 - maxLine.y2) * 10), 2),
  )
  const height = getHeight(adjust, shedDegree)
  const lengthText = Math.round(Math.sqrt(Math.pow(adjust, 2) + Math.pow(height, 2)))
  maxLine.setLengthText(lengthText)
}

export const drawRidgeRoof = (roofId, canvas) => {
  const roof = canvas?.getObjects().find((object) => object.id === roofId)
  const hasNonParallelLines = roof.lines.filter((line) => Math.abs(line.x1 - line.x2) > 1 && Math.abs(line.y1 - line.y2) > 1)
  if (hasNonParallelLines.length > 0) {
    alert('대각선이 존재합니다.')
    return
  }
  drawRidge(roof, canvas)
  drawHips(roof, canvas)
  connectLinePoint(roof, canvas)
  modifyRidge(roof, canvas)
  drawCenterLine(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]

    const angle1 = calculateAngle(prevRoof.startPoint, prevRoof.endPoint)
    const angle2 = calculateAngle(nextRoof.startPoint, nextRoof.endPoint)

    if (Math.abs(angle1 - angle2) === 180 && currentWall.attributes.planeSize <= currentRoof.attributes.planeSize) {
      ridgeRoof.push({ index: index, roof: currentRoof, length: currentRoof.attributes.planeSize })
    }
  })

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

  ridgeRoof.forEach((item) => {
    if (getMaxRidge(roofLines.length) > roof.ridges.length) {
      const index = item.index,
        currentRoof = item.roof
      const prevRoof = index === 0 ? roofLines[wallLines.length - 1] : roofLines[index - 1]
      const nextRoof = index === roofLines.length - 1 ? roofLines[0] : index === roofLines.length ? roofLines[1] : roofLines[index + 1]
      let startXPoint, startYPoint, endXPoint, endYPoint

      let wallLine = wallLines.filter((w) => w.id === currentRoof.attributes.wallLine)
      if (wallLine.length > 0) {
        wallLine = wallLine[0]
      }

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

      let currentX1 = currentRoof.x1,
        currentY1 = currentRoof.y1,
        currentX2 = currentRoof.x2,
        currentY2 = currentRoof.y2
      let ridgeMaxLength = Math.max(prevRoof.attributes.planeSize, nextRoof.attributes.planeSize) / 10
      let ridgeMinLength = Math.min(prevRoof.attributes.planeSize, nextRoof.attributes.planeSize) / 10

      const currentAngle = Math.atan2(currentY2 - currentY1, currentX2 - currentX1) * (180 / Math.PI)
      anotherRoof
        .filter((roof) => isInnerLine(prevRoof, currentRoof, nextRoof, roof))
        .forEach((innerRoof) => {
          const vector1 = { x: currentRoof.x2 - currentRoof.x1, y: currentRoof.y2 - currentRoof.y1 }
          const vector2 = { x: innerRoof.x2 - innerRoof.x1, y: innerRoof.y2 - innerRoof.y1 }

          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)
          const angle = (Math.acos(dotProduct / (magnitude1 * magnitude2)) * 180) / Math.PI

          //현재 지붕선과 직각인 선
          if (Math.abs(angle) === 90) {
            const innerBefore = roofLines.find((line) => innerRoof.x1 === line.x2 && innerRoof.y1 === line.y2)
            const ibAngle = Math.atan2(innerBefore.y2 - innerBefore.y1, innerBefore.x2 - innerBefore.x1) * (180 / Math.PI)
            if (Math.abs(currentAngle - ibAngle) === 180) {
              if (currentAngle === 0 || currentAngle === 180) {
                currentX2 = innerRoof.x1
                ridgeMinLength =
                  Math.round(
                    Math.sqrt(
                      Math.pow(Math.round(Math.abs(nextRoof.x1 - nextRoof.x2) * 10), 2) +
                        Math.pow(Math.round(Math.abs(nextRoof.y1 - innerRoof.y2) * 10), 2),
                    ),
                  ) / 10
              }
              if (currentAngle === 90 || currentAngle === 270) {
                currentY2 = innerRoof.y1
                ridgeMinLength =
                  Math.round(
                    Math.sqrt(
                      Math.pow(Math.round(Math.abs(nextRoof.x1 - innerRoof.x2) * 10), 2) +
                        Math.pow(Math.round(Math.abs(nextRoof.y1 - nextRoof.y2) * 10), 2),
                    ),
                  ) / 10
              }
            }
            if (Math.abs(currentAngle - ibAngle) === 0) {
              if (currentAngle === 0 || currentAngle === 180) {
                currentX1 = innerRoof.x2
                ridgeMinLength =
                  Math.round(
                    Math.sqrt(
                      Math.pow(Math.round(Math.abs(prevRoof.x1 - prevRoof.x2) * 10), 2) +
                        Math.pow(Math.round(Math.abs(prevRoof.y1 - innerRoof.y1) * 10), 2),
                    ),
                  ) / 10
              }
              if (currentAngle === 90 || currentAngle === 270) {
                currentY1 = innerRoof.y2
                ridgeMinLength =
                  Math.round(
                    Math.sqrt(
                      Math.pow(Math.round(Math.abs(prevRoof.x1 - innerRoof.x1) * 10), 2) +
                        Math.pow(Math.round(Math.abs(prevRoof.y1 - prevRoof.y2) * 10), 2),
                    ),
                  ) / 10
              }
            }
          }
          //현재 지붕선과 반대인 선
          if (Math.abs(angle) === 180) {
            if (currentAngle === 0 || currentAngle === 180) {
            }
            if (currentAngle === 90 || currentAngle === 270) {
            }
          }
        })

      const midX = (currentX1 + currentX2) / 2 // 지붕의 X 중심
      const midY = (currentY1 + currentY2) / 2 // 지붕의 Y 중심
      const alpha = (currentRoof.x1 + currentRoof.x2) / 2 - (wallLine.x1 + wallLine.x2) / 2 // 벽과 지붕의 X 거리
      const beta = (currentRoof.y1 + currentRoof.y2) / 2 - (wallLine.y1 + wallLine.y2) / 2 // 벽과 지붕의 Y 거리
      const hypotenuse = Math.sqrt(Math.pow(alpha, 2) + Math.pow(beta, 2)) // 벽과 지붕의 거리

      const currentPlaneSize = Math.sqrt(
        Math.pow(Math.round(Math.abs(currentX1 - currentX2) * 10), 2) + Math.pow(Math.round(Math.abs(currentY1 - currentY2) * 10), 2),
      )
      let ridgeBaseLength = Math.round(currentPlaneSize / 2) / 10 // 지붕의 기반 길이

      startXPoint = Math.round(midX + (-1 * (alpha / hypotenuse) * (currentPlaneSize / 2)) / 10)
      startYPoint = Math.round(midY + (-1 * (beta / hypotenuse) * (currentPlaneSize / 2)) / 10)

      const checkEndXPoint = Math.round(startXPoint + Math.sign(alpha) * -1 * (ridgeMaxLength + ridgeBaseLength))
      const checkEndYPoint = Math.round(startYPoint + Math.sign(beta) * -1 * (ridgeMaxLength + ridgeBaseLength))

      const checkLine = new QLine([startXPoint, startYPoint, checkEndXPoint, checkEndYPoint], {
        fontSize: roof.fontSize,
        stroke: 'red',
        strokeWidth: 2,
        name: LINE_TYPE.SUBLINE.HIP,
        attributes: { roofId: roof.id, currentRoof: currentRoof.id, actualSize: 0 },
      })
      const intersectLines = []
      roofLines.forEach((line) => {
        const intersection = edgesIntersection(
          { vertex1: { x: checkLine.x1, y: checkLine.y1 }, vertex2: { x: checkLine.x2, y: checkLine.y2 } },
          { vertex1: { x: line.x1, y: line.y1 }, vertex2: { x: line.x2, y: line.y2 } },
        )
        if (intersection && !intersection.isIntersectionOutside) {
          intersectLines.push({ x: intersection.x, y: intersection.y, line: line })
        }
      })
      if (intersectLines.length > 0) {
        intersectLines.reduce((prev, current) => {
          if (prev !== undefined) {
            const prevDistance = Math.sqrt(Math.pow(prev.x - startXPoint, 2) + Math.pow(prev.y - startYPoint, 2))
            const currentDistance = Math.sqrt(Math.pow(current.x - startXPoint, 2) + Math.pow(current.y - startYPoint, 2))
            return prevDistance > currentDistance ? current : prev
          } else {
            return current
          }
        }, undefined)
      }

      if (intersectLines.length > 0) {
        const intersectLine = intersectLines[0]
        const diffX = Math.round(intersectLine.x - startXPoint)
        const diffY = Math.round(intersectLine.y - startYPoint)
        endXPoint = Math.sign(diffX) * Math.round(Math.abs(diffX) - ridgeBaseLength) + startXPoint
        endYPoint = Math.sign(diffY) * Math.round(Math.abs(diffY) - ridgeBaseLength) + startYPoint

        const hypo = Math.sqrt(Math.pow(Math.abs(startXPoint - endXPoint), 2) + Math.pow(Math.abs(startYPoint - endYPoint), 2))

        const intersectLength = Math.sqrt(Math.pow(Math.abs(midX - intersectLine.x), 2) + Math.pow(Math.abs(midY - intersectLine.y), 2))
        if (intersectLength < prevRoof.attributes.planeSize / 10 && intersectLength < nextRoof.attributes.planeSize / 10) {
          endXPoint = startXPoint
          endYPoint = startYPoint
        } else {
          if (ridgeMinLength < hypo) {
            endXPoint = Math.round(startXPoint + Math.sign(diffX) * ridgeMinLength)
            endYPoint = Math.round(startYPoint + Math.sign(diffY) * ridgeMinLength)
          }
        }
      } else {
        endXPoint = Math.round(startXPoint + Math.sign(alpha) * -1 * ridgeMinLength)
        endYPoint = Math.round(startYPoint + Math.sign(beta) * -1 * ridgeMinLength)
      }

      const ridge = new QLine([startXPoint, startYPoint, endXPoint, endYPoint], {
        fontSize: roof.fontSize,
        stroke: '#1083E3',
        strokeWidth: 2,
        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)

      if (ridge.attributes.planeSize > 0) {
        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) => {
    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: '#1083E3',
            strokeWidth: 2,
            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}
 */
export 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 hip 을 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 vectorX1 = ridgeCoordinate.x1 - currentRoof.x1
      const vectorY1 = ridgeCoordinate.y1 - currentRoof.y1
      const angle1 = Math.atan2(vectorY1, vectorX1) * (180 / Math.PI)
      if (Math.abs(Math.round(angle1)) % 45 === 0) {
        const hip1 = new QLine([currentRoof.x1, currentRoof.y1, ridgeCoordinate.x1, ridgeCoordinate.y1], {
          fontSize: roof.fontSize,
          stroke: '#1083E3',
          strokeWidth: 2,
          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 vectorX2 = ridgeCoordinate.x1 - currentRoof.x2
      const vectorY2 = ridgeCoordinate.y1 - currentRoof.y2
      const angle2 = Math.atan2(vectorY2, vectorX2) * (180 / Math.PI)
      if (Math.abs(Math.round(angle2)) % 45 === 0) {
        const hip2 = new QLine([currentRoof.x2, currentRoof.y2, ridgeCoordinate.x1, ridgeCoordinate.y1], {
          fontSize: roof.fontSize,
          stroke: '#1083E3',
          strokeWidth: 2,
          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 hip 을 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: '#1083E3',
          strokeWidth: 2,
          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 - currentDegree) * 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()
}

/**
 *  3개 이상 이어지지 않은 라인 포인트 계산
 *  모임지붕에서 point 는 3개 이상의 라인과 접해야 함.
 *  @param polygon
 */
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: '#1083E3',
      strokeWidth: 2,
    })
    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: '#1083E3',
      strokeWidth: 2,
    })
    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: '#1083E3',
          strokeWidth: 2,
          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 hipX2 = Math.round(midX + -1 * (alpha / hypotenuse) * (currentRoof.length / 2))
    const hipY2 = Math.round(midY + -1 * (beta / hypotenuse) * (currentRoof.length / 2))

    const innerLines = canvas
      ?.getObjects()
      .filter(
        (object) =>
          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 &&
          line.name !== 'wallLine',
      )
      .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: hipX2,
          y1: hipY2,
          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: hipX2,
          y2: hipY2,
        })
        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)
    }

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

    canvas?.renderAll()

    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: '#1083E3',
      strokeWidth: 2,
      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: '#1083E3',
      strokeWidth: 2,
      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?.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 &&
          line.name !== 'wallLine',
      )
      .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: '#1083E3',
        strokeWidth: 2,
        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)))

      let hip2 = new QLine([currentRoof.x2, currentRoof.y2, midX, midY], {
        fontSize: roof.fontSize,
        stroke: '#1083E3',
        strokeWidth: 2,
        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)))
      hip1.set({ visible: false })
      hip1.setViewLengthText(false)
      hip2.set({ visible: false })
      hip2.setViewLengthText(false)
      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?.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 &&
            line.name !== 'wallLine',
        )
        .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) {
          const signX = Math.sign(midX - ridge.x1)
          const signY = Math.sign(midY - ridge.y1)
          ridge.set({
            x1: midX - signX * Math.abs(xWidth),
            y1: midY - signY * Math.abs(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) {
          const signX = Math.sign(midX - ridge.x2)
          const signY = Math.sign(midY - ridge.y2)
          ridge.set({
            x1: ridge.x1,
            y1: ridge.y1,
            x2: midX - signX * Math.abs(xWidth),
            y2: midY - signY * Math.abs(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: '#1083E3',
        strokeWidth: 2,
        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: '#1083E3',
        strokeWidth: 2,
        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: '#1083E3',
          strokeWidth: 2,
          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 &&
            line.name !== 'wallLine',
        )
        .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) {
          const signX = Math.sign(midX - ridge.x1)
          const signY = Math.sign(midY - ridge.y1)
          ridge.set({
            x1: midX - signX * Math.abs(xWidth),
            y1: midY - signY * Math.abs(yWidth),
            x2: ridge.x2,
            y2: ridge.y2,
          })

          currentRoof.attributes.ridgeCoordinate = { x1: ridge.x1, y1: ridge.y1 }
          hipX2 = ridge.x1
          hipY2 = ridge.y1
        }
        if (ridge.x2 === currentRoof.attributes.ridgeCoordinate.x1 && ridge.y2 === currentRoof.attributes.ridgeCoordinate.y1) {
          const signX = Math.sign(midX - ridge.x2)
          const signY = Math.sign(midY - ridge.y2)
          ridge.set({
            x1: ridge.x1,
            y1: ridge.y1,
            x2: midX - signX * Math.abs(xWidth),
            y2: midY - signY * Math.abs(yWidth),
          })

          currentRoof.attributes.ridgeCoordinate = { x1: ridge.x2, y1: ridge.y2 }
          hipX2 = ridge.x2
          hipY2 = 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 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: '#1083E3',
        strokeWidth: 2,
        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: '#1083E3',
        strokeWidth: 2,
        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: '#1083E3',
        strokeWidth: 2,
        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: '#1083E3',
        strokeWidth: 2,
        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: '#1083E3',
        strokeWidth: 2,
        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)

      hip1.set({ visible: false })
      hip1.setViewLengthText(false)
      gable3.set({ visible: false })
      gable3.setViewLengthText(false)
      hip2.set({ visible: false })
      hip2.setViewLengthText(false)
    }
  }
}

/**
 * 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?.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 &&
        line.name !== 'wallLine',
    )
    .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: '#1083E3',
      strokeWidth: 2,
      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: '#1083E3',
        strokeWidth: 2,
        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: '#1083E3',
      strokeWidth: 2,
      name: 'roofLine',
      attributes: { roofId: roofId, type: LINE_TYPE.WALLLINE.ETC },
    })

    const addNextWallLine2 = new QLine([addNextWallLine1.x2, addNextWallLine1.y2, nextX1, nextY1], {
      fontSize: roof.fontSize,
      stroke: '#1083E3',
      strokeWidth: 2,
      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: '#1083E3',
      strokeWidth: 2,
      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: '#1083E3',
      strokeWidth: 2,
      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) => {
    lines.forEach((l) => {
      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
}

const drawCenterLine = (roof, canvas) => {
  const roofLines = roof.lines
  roofLines.forEach((currentRoof) => {
    const hips = roof.innerLines.filter(
      (line) => (currentRoof.x1 === line.x1 && currentRoof.y1 === line.y1) || (currentRoof.x2 === line.x1 && currentRoof.y2 === line.y1),
    )
    const ridge = roof.innerLines
      .filter((line) => line.name === LINE_TYPE.SUBLINE.RIDGE)
      .filter((line) => {
        if (currentRoof.x1 === currentRoof.x2) {
          if (line.x1 === line.x2) {
            return line
          }
        } else {
          if (line.y1 === line.y2) {
            return line
          }
        }
      })
      .reduce((prev, current) => {
        let currentDistance, prevDistance
        if (Math.sign(currentRoof.x1 - currentRoof.x2) === 0) {
          currentDistance = Math.abs(currentRoof.y1 - current.y1)
          prevDistance = prev ? Math.abs(currentRoof.y1 - prev.y1) : Infinity
        } else {
          currentDistance = Math.abs(currentRoof.y1 - current.y2)
          prevDistance = prev ? Math.abs(currentRoof.y1 - current.y2) : Infinity
        }
        return prevDistance < currentDistance ? prev : current
      }, null)
    let points = []
    if (hips.length === 2 && Math.abs(hips[0].x2 - hips[1].x2) < 1 && Math.abs(hips[0].y2 - hips[1].y2) < 1) {
      // console.log('삼각')
      const x1 = (currentRoof.x1 + currentRoof.x2) / 2
      const y1 = (currentRoof.y1 + currentRoof.y2) / 2
      points.push(x1, y1, hips[0].x2, hips[0].y2)
    } else {
      // console.log('삼각 아님')
      if (
        ((ridge.x1 === hips[0].x2 && ridge.y1 === hips[0].y2) || (ridge.x2 === hips[0].x2 && ridge.y2 === hips[0].y2)) &&
        ((ridge.x1 === hips[1].x2 && ridge.y1 === hips[1].y2) || (ridge.x2 === hips[1].x2 && ridge.y2 === hips[1].y2))
      ) {
        //사각이면 마루와 현재 라인 사이에 길이를 구한다
        // console.log('사각')
        if (Math.sign(currentRoof.x1 - currentRoof.x2) === 0) {
          const yPoints = [currentRoof.y1, currentRoof.y2, ridge.y1, ridge.y2].sort((a, b) => a - b)
          const x1 = (currentRoof.x1 + currentRoof.x2) / 2
          const x2 = (ridge.x1 + ridge.x2) / 2
          const y = (yPoints[1] + yPoints[2]) / 2
          if (
            ((currentRoof.y1 <= y && y <= currentRoof.y2) || (currentRoof.y2 <= y && y <= currentRoof.y1)) &&
            ((ridge.y1 <= y && y <= ridge.y2) || (ridge.y2 <= y && y <= ridge.y1))
          ) {
            points.push(x1, y, x2, y)
          }
        } else {
          const xPoints = [currentRoof.x1, currentRoof.x2, ridge.x1, ridge.x2].sort((a, b) => a - b)
          const y1 = (currentRoof.y1 + currentRoof.y2) / 2
          const y2 = (ridge.y1 + ridge.y2) / 2
          const x = (xPoints[1] + xPoints[2]) / 2
          if (
            ((currentRoof.x1 <= x && x <= currentRoof.x2) || (currentRoof.x2 <= x && x <= currentRoof.x1)) &&
            ((ridge.x1 <= x && x <= ridge.x2) || (ridge.x2 <= x && x <= ridge.x1))
          ) {
            points.push(x, y1, x, y2)
          }
        }
      } else {
        //사각 아님
        if (Math.sign(currentRoof.x1 - currentRoof.x2) === 0) {
          let xPoints = []
          xPoints.push(ridge?.x1, ridge?.x2)
          hips.forEach((hip) => {
            xPoints.push(hip.x2)
          })
          let maxPoint = xPoints.reduce((prev, current) => {
            const currentDistance = Math.abs(currentRoof.x1 - current)
            const prevDistance = prev ? Math.abs(currentRoof.x1 - prev) : 0
            return prevDistance > currentDistance ? prev : current
          }, null)

          xPoints = xPoints.filter((point) => point === maxPoint)

          let oppositeLine
          if (xPoints.length === 1) {
            if (ridge?.x1 === xPoints[0] || ridge?.x2 === xPoints[0]) {
              oppositeLine = ridge
            }
            if (oppositeLine === undefined) {
              oppositeLine = hips.find((hip) => hip.x2 === xPoints[0])
            }
            points.push(currentRoof.x1, oppositeLine.y2, oppositeLine.x2, oppositeLine.y2)
          } else if (xPoints.length > 1) {
            xPoints = [...new Set(xPoints)] // 중복제거
            if (ridge.length > 0) {
              let boolX1 = xPoints.some((x) => x === ridge.x1)
              let boolX2 = xPoints.some((x) => x === ridge.x2)
              if (boolX1 && boolX2) {
                oppositeLine = ridge
              }
              if (oppositeLine) {
                const sortPoints = [currentRoof.y1, currentRoof.y2, oppositeLine.y1, oppositeLine.y2].sort((a, b) => a - b)
                const y = (sortPoints[1] + sortPoints[2]) / 2
                if (
                  ((currentRoof.y1 <= y && y <= currentRoof.y2) || (currentRoof.y2 <= y && y <= currentRoof.y1)) &&
                  ((oppositeLine.y1 <= y && y <= oppositeLine.y2) || (oppositeLine.y2 <= y && y <= oppositeLine.y1))
                ) {
                  points.push(currentRoof.x1, y, oppositeLine.x1, y)
                }
              }
            }
          }
        } else {
          let yPoints = []
          yPoints.push(ridge?.y1, ridge?.y2)
          hips.forEach((hip) => {
            yPoints.push(hip.y2)
          })
          const maxPoint = yPoints.reduce((prev, current) => {
            const currentDistance = Math.abs(currentRoof.y1 - current)
            const prevDistance = prev ? Math.abs(currentRoof.y1 - prev) : 0
            return prevDistance > currentDistance ? prev : current
          })
          yPoints = yPoints.filter((y) => y === maxPoint)

          let oppositeLine
          if (yPoints.length === 1) {
            if (ridge?.y1 === yPoints[0] || ridge?.y2 === yPoints[0]) {
              oppositeLine = ridge
            }
            if (oppositeLine === undefined) {
              oppositeLine = hips.find((hip) => hip.y2 === yPoints[0])
            }
            points.push(oppositeLine.x2, currentRoof.y1, oppositeLine.x2, oppositeLine.y2)
          } else if (yPoints.length > 1) {
            let boolY1 = yPoints.some((y) => y === ridge.y1)
            let boolY2 = yPoints.some((y) => y === ridge.y2)
            if (boolY1 && boolY2) {
              oppositeLine = ridge
            }
            if (oppositeLine) {
              const sortPoints = [currentRoof.x1, currentRoof.x2, oppositeLine.x1, oppositeLine.x2].sort((a, b) => a - b)
              const x = (sortPoints[1] + sortPoints[2]) / 2
              if (
                ((currentRoof.x1 <= x && x <= currentRoof.x2) || (currentRoof.x2 <= x && x <= currentRoof.x1)) &&
                ((oppositeLine.x1 <= x && x <= oppositeLine.x2) || (oppositeLine.x2 <= x && x <= oppositeLine.x1))
              ) {
                points.push(x, currentRoof.y1, x, oppositeLine.y1)
              }
            }
          }
        }
      }
    }
    if (points !== null) {
      const pitchSizeLine = new QLine(points, {
        stroke: '#000000',
        strokeWidth: 2,
        strokeDashArray: [5, 5],
        selectable: false,
        fontSize: roof.fontSize,
        attributes: {
          roofId: roof.id,
          type: 'pitchSizeLine',
        },
      })
      canvas.add(pitchSizeLine)
      canvas.renderAll()

      const adjust = Math.sqrt(
        Math.pow(Math.round(Math.abs(pitchSizeLine.x1 - pitchSizeLine.x2) * 10), 2) +
          Math.pow(Math.round(Math.abs(pitchSizeLine.y1 - pitchSizeLine.y2) * 10), 2),
      )
      const currentDegree = currentRoof.attributes.pitch > 0 ? getDegreeByChon(currentRoof.attributes.pitch) : currentRoof.attributes.degree
      const height = Math.tan(currentDegree * (Math.PI / 180)) * adjust
      const lengthText = Math.round(Math.sqrt(Math.pow(adjust, 2) + Math.pow(height, 2)))
      pitchSizeLine.setLengthText(lengthText)
    }
  })
}

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
}

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((coordinate) => {
    const point = turf.point(coordinate)
    return turf.booleanPointInPolygon(point, polygonFeature)
  })

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

  return allPointsInsidePolygon && noPolygonPointsInsideRect
}