    import Zondy from '../Zondy'
    import { returnPoint, formatPoints, extend } from '../../util'
    import ArcGisGeometry from './Geometry'
    import ArcGisPoint from './Point'
    /**
     * @class module:ArcGis.ArcGisPolyline
     * @description ArcGis服务
     * @author 基础平台-杨琨
     * @param options - {Object} 必选项，构造点对象参数。
     * @param {String} [options.paths] 可选项。构成线的点坐标，可有多条。
     * Example: [[[x1,y1],[x2,y2],[x3,y3]],[[x4,y4],[x5,y5],[x6,y6]]]
     * @param {ArcGisSpatialReference} [options.spatialReference] 可选项。多边形的空间坐标系，默认4326。
     */
    class ArcGisPolyline extends ArcGisGeometry {
      constructor(options) {
        super(options)
        this.paths = []
        this.type = 'polyline'

        extend(this, options)
      }
    }

    /**
     * @function module:ArcGis.ArcGisPolyline.prototype.getPoint
     * @description 根据pathIndex和pointIndex返回ArcGisPoint对象
     * @param pathIndex - {Number} 必选项，要查询的多边形序号。
     * @param pointIndex - {Number} 必选项，要查询的点序号。
     * @returns ArcGisPoint，点对象
     */
    ArcGisPolyline.prototype.getPoint = function (pathIndex, pointIndex) {
      if (
        pathIndex >= this.paths.length ||
        pointIndex >= this.paths[pathIndex].length
      ) {
        return null
      }
      return returnPoint(ArcGisPoint, this, this.paths[pathIndex][pointIndex])
    }

    /**
     * @function module:ArcGis.ArcGisPolyline.prototype.removePoint
     * @description 根据ringIndex、pointIndex删除一个点，并返回该点对象
     * @param pathIndex - {Number} 必选项，要删除的点所在的多边形序号。
     * @param pointIndex - {Number} 必选项，在pointIndex处，删除这个点。
     * @returns ArcGisPoint，点对象
     */
    ArcGisPolyline.prototype.removePoint = function (pathIndex, pointIndex) {
      if (
        pathIndex >= this.paths.length ||
        pointIndex >= this.paths[pathIndex].length
      ) {
        return null
      }
      const positionArr = this.paths[pathIndex].splice(pointIndex, 1)[0]
      return returnPoint(ArcGisPoint, this, positionArr)
    }

    /**
     * @function module:ArcGis.ArcGisPolyline.prototype.setPoint
     * @description 根据ringIndex、pointIndex，更新一个点对象
     * @param pathIndex - {Number} 必选项，要删除的点所在的多边形序号。
     * @param pointIndex - {Number} 必选项，在pointIndex处，删除这个点。
     * @param point - {ArcGisPoint} 必选项，ArcGisPoint对象或者[x,y]或[x,y,z]数组,要更新的点。
     * @returns ArcGisPolyline，线对象
     */
    ArcGisPolyline.prototype.setPoint = function (pathIndex, pointIndex, point) {
      if (
        pathIndex >= this.paths.length ||
        pointIndex >= this.paths[pathIndex].length
      ) {
        return null
      }
      if (point instanceof Array) {
        this.paths[pathIndex][pointIndex] = point
      } else if (point instanceof ArcGisPoint) {
        const pointArr = [point.x, point.y]
        if (point.hasZ) {
          pointArr.push(point.z)
        }
        if (point.hasM) {
          pointArr.push(point.m)
        }
        this.paths[pathIndex][pointIndex] = pointArr
      }
      return this
    }

    /**
     * @function module:ArcGis.ArcGisPolyline.prototype.addRing
     * @description 传入坐标数组或者[ArcGisPoint]数组，新增一条线
     * @param points - {Array} 必选项，要插入的一组多边形点坐标数组，
     * example：[[x1,y1],[x2,y2],[x3,y3]]。
     * @returns ArcGisPolyline，线对象
     */
    ArcGisPolyline.prototype.addPath = function (points) {
      if (points instanceof Array) {
        this.paths.push(formatPoints(points))
      } else {
        this.paths.push([])
      }
      return this
    }

    /**
     * @function module:ArcGis.ArcGisPolyline.prototype.removeRing
     * @description 根据index删除一条线，并返回点对象数组
     * @param index - {Array} 必选项，要删除的多边形序号。
     * @returns [ArcGisPoint]，被删除的线的点对象数组
     */
    ArcGisPolyline.prototype.removePath = function (index) {
      if (index >= this.path.length) return null
      const path = this.paths.splice(index, 1)[0]
      let point
      const pointArr = []
      for (let i = 0; i < path.length; i++) {
        point = returnPoint(ArcGisPoint, this, path[i])
        pointArr.push(point)
      }
      return pointArr
    }

    /**
     * @function module:ArcGis.ArcGisPolyline.prototype.insertPoint
     * @description 根据ringIndex、pointIndex，在pointIndex之后插入一个点对象
     * @param pathIndex - {Number} 必选项，要插入的多边形序号。
     * @param pointIndex - {Number} 必选项，在第pointIndex之后插入一个点，线标从0开始。
     * @param point - {Number} 必选项，要要插入的点对象。
     * @returns ArcGisPolyline，线对象
     */
    ArcGisPolyline.prototype.insertPoint = function (pathIndex, pointIndex, point) {
      if (
        pathIndex < this.paths.length &&
        pointIndex <= this.paths[pathIndex].length
      ) {
        if (point instanceof Array) {
          this.paths[pathIndex].splice(pointIndex, 0, point)
        } else if (point instanceof ArcGisPoint) {
          this.paths[pathIndex].splice(
            pointIndex,
            0,
            point.hasZ ? [point.x, point.y, point.z] : [point.x, point.y]
          )
        }
      }

      return this
    }

    /**
     * @function module:ArcGis.ArcGisPolyline.prototype.toGeometryJSON
     * @description 将点坐标转换为Json对象
     * @returns String
     */
    ArcGisPolyline.prototype.toGeometryJSON = function () {
      const paths = this.paths
      let geometryStr = '{"paths":['
      for (let i = 0; i < paths.length; i++) {
        geometryStr += '['
        for (let j = 0; j < paths[i].length; j++) {
          geometryStr += '['
          geometryStr += paths[i][j].join(',')
          geometryStr += '],'
        }
        geometryStr = geometryStr.substr(0, geometryStr.length - 1)
        geometryStr += '],'
      }
      geometryStr = geometryStr.substr(0, geometryStr.length - 1)
      geometryStr += ']}'
      return geometryStr
    }

    export default ArcGisPolyline
    Zondy.Service.ArcGisPolyline = ArcGisPolyline