import * as turf from '@turf/turf'

export const useTurf = () => {
  /**
   * 모듈이 배치면 안에 있는지 확인
   * @param {*} module
   * @param {*} surface
   * @param spare
   * @returns
   */
  const checkModuleDisjointSurface = (module, surface, spare = 1) => {
    // 표면 영역을 spare만큼 수동 확장
    const expandedSurface = {
      type: 'Polygon',
      coordinates: [
        surface.geometry.coordinates[0].map(([x, y]) => {
          // 각 점을 바깥쪽으로 2 단위씩 이동
          const coords = surface.geometry.coordinates[0]
          const centerX = coords.slice(0, -1).reduce((sum, [x, y]) => sum + x, 0) / (coords.length - 1)
          const centerY = coords.slice(0, -1).reduce((sum, [x, y]) => sum + y, 0) / (coords.length - 1)

          return [x < centerX ? x - spare : x + spare, y < centerY ? y - spare : y + spare]
        }),
      ],
    }

    const isWithin = turf.booleanContains(expandedSurface, module) || turf.booleanWithin(module, expandedSurface)

    const isContact = turf.booleanIntersects(module, expandedSurface) && !turf.booleanOverlap(module, expandedSurface)

    return isWithin || isContact
  }

  return {
    checkModuleDisjointSurface,
  }
}