import MouseTip from '../MouseTip'
import MouseEvent from '../Event'
import Draw from './draw'

/**
 * @extends Draw*/
class DrawPolygon extends Draw {
  /**
   * @constructor
   * @param [options] {object} 面属性
   * @param [options.color=rgba(185,14,14,0.58)] {object} 线属性

   * */
  constructor(sdk, options = {}) {
    super(sdk, options)
    this.polygonHasCreated = false
  }

  static create_polygon(that, viewer = that.viewer) {
    that.polygonHasCreated = true
    let id = that.randomString()
    viewer.entities.add(
      new Cesium.Entity({
        id: id,
        polygon: {
          classificationType: Cesium.ClassificationType.BOTH,
          hierarchy: new Cesium.CallbackProperty((e) => {
            return new Cesium.PolygonHierarchy(that.positions)
          }),
          material: Cesium.Color.fromCssColorString(that.color),
          zIndex: 99999999
        },
        polyline: {
          positions: new Cesium.CallbackProperty((e) => {
            return that.positions.concat(that.positions[0])
          }),
          width: 2,
          material: Cesium.Color.fromCssColorString('#c1c505').withAlpha(0.5),
          clampToGround: true,
          zIndex: 99999999
        },
      })
    )
    return id
  }

  /**
   * @desc 开始动态绘制面
   * @method start
   * @param cb {function} 回调函数
   * @memberOf DrawPolygon
   * @example draw.start((err,positions)=>{
   *
   * })
   * */
  start(cb) {
    if (YJ.Measure.GetMeasureStatus()) {
      cb('上一次测量未结束')
    } else {
      this.polygonHasCreated = false
      super.start()
      YJ.Measure.SetMeasureStatus(true)
      let into
      this.tip = new MouseTip('左键确定，右键结束；CTRL+右键撤销', this.sdk)
      this.event = new MouseEvent(this.sdk)
      this.positions = []
      this.points_ids = [] //存放左键点击时临时添加的point的id
      let cache_positions = []
      let cache_84_position = []
      this.event.mouse_left((movement, cartesian) => {
        if(into === '2D') {
          return
        }
        into = '3D'
        this.positions = cache_positions.concat({ ...cartesian })
        this.tip.setPosition(
          cartesian,
          movement.position.x,
          movement.position.y
        )
        if (!this.polygonHasCreated) {
          let polyline_id = DrawPolygon.create_polygon(this)
          this.points_ids.push(polyline_id)
        }
        cache_positions.push(cartesian)
        // console.log(cache_positions)
        cache_84_position.push(this.cartesian3Towgs84(cartesian, this.viewer))
        // console.log(this.cartesian3Towgs84(cartesian))
        this.points_ids.push(this.create_point(cartesian))
      })
      this.event.mouse_right((movement, cartesian) => {
        if(into === '2D') {
          return
        }
        // let positions = []
        // console.log(cache_positions)
        // cache_positions.forEach((item) => {
        //   let p = this.cartesian3Towgs84(item)
        //   console.log(item)
        //   positions.push(p)
        // })
        cb(null, cache_84_position)
        this.end()
      })
      this.event.mouse_move((movement, cartesian) => {
        if(into === '2D') {
          return
        }
        this.positions = cache_positions.concat({ ...cartesian })
        this.tip.setPosition(
          cartesian,
          movement.endPosition.x,
          movement.endPosition.y
        )
      })
      this.event.mouse_right_keyboard_ctrl((movement, cartesian) => {
        if(into === '2D') {
          return
        }
        if (this.points_ids.length > 1) {
          this.remove_entity(this.points_ids.pop()) //移除point
          cache_positions.pop()
          cache_84_position.pop()
        }
      })

      this.event.gesture_pinck_start_keyboard_ctrl(() => {
        if(into === '2D') {
          return
        }
        if (this.points_ids.length > 1) {
          this.remove_entity(this.points_ids.pop()) //移除point
          cache_positions.pop()
          cache_84_position.pop()
          this.positions = cache_positions.concat(cartesian)
        }
      })

      this.event.gesture_pinck_start((movement, cartesian) => {
        if(into === '2D') {
          return
        }
        let startTime = new Date()
        this.event.gesture_pinck_end(() => {
          let endTime = new Date()
          if (endTime - startTime >= 500) {
            cb(null, cache_84_position)
            this.end()
          }
          else {
            this.tip.setPosition(
              cartesian,
              (movement.position1.x + movement.position2.x) / 2,
              (movement.position1.y + movement.position2.y) / 2
            )
            if (!this.polygonHasCreated) {
              let polyline_id = DrawPolygon.create_polygon(this)
              this.points_ids.push(polyline_id)
            }
            cache_positions.push(cartesian)
            // console.log(cache_positions)
            cache_84_position.push(this.cartesian3Towgs84(cartesian, this.viewer))
            // console.log(this.cartesian3Towgs84(cartesian))
            this.points_ids.push(this.create_point(cartesian))
            this.positions = cache_positions.concat(cartesian)
          }
        })
      })

      if (!this._is2D && this._sdk2D) {
        this.event2D = new MouseEvent(this._sdk2D)
        this.event2D.mouse_left((movement, cartesian) => {
          if(into === '3D') {
            return
          }
          into = '2D'
          this.positions = cache_positions.concat({ ...cartesian })
          this.tip.setPosition(
            cartesian,
            movement.position.x + this.viewer.canvas.width,
            movement.position.y
          )
          if (!this.polygonHasCreated) {
            let polyline_id = DrawPolygon.create_polygon(this, this._sdk2D.viewer)
            this.points_ids.push(polyline_id)
          }
          cache_positions.push(cartesian)
          // console.log(cache_positions)
          cache_84_position.push(this.cartesian3Towgs84(cartesian, this.viewer))
          // console.log(this.cartesian3Towgs84(cartesian))
          this.points_ids.push(this.create_point(cartesian, this._sdk2D.viewer))
        })
        this.event2D.mouse_right((movement, cartesian) => {
          if(into === '3D') {
            return
          }
          // let positions = []
          // console.log(cache_positions)
          // cache_positions.forEach((item) => {
          //   let p = this.cartesian3Towgs84(item)
          //   console.log(item)
          //   positions.push(p)
          // })
          cb(null, cache_84_position)
          this.end()
        })
        this.event2D.mouse_move((movement, cartesian) => {
          if(into === '3D') {
            return
          }
          this.positions = cache_positions.concat({ ...cartesian })
          this.tip.setPosition(
            cartesian,
            movement.endPosition.x + this.viewer.canvas.width,
            movement.endPosition.y
          )
        })
        this.event2D.mouse_right_keyboard_ctrl((movement, cartesian) => {
          if(into === '3D') {
            return
          }
          if (this.points_ids.length > 1) {
            this.remove_entity(this.points_ids.pop()) //移除point
            cache_positions.pop()
            cache_84_position.pop()
          }
        })

        this.event2D.gesture_pinck_start_keyboard_ctrl(() => {
          if(into === '3D') {
            return
          }
          if (this.points_ids.length > 1) {
            this.remove_entity(this.points_ids.pop()) //移除point
            cache_positions.pop()
            cache_84_position.pop()
            this.positions = cache_positions.concat(cartesian)
          }
        })

        this.event2D.gesture_pinck_start((movement, cartesian) => {
          if(into === '3D') {
            return
          }
          let startTime = new Date()
          this.event2D.gesture_pinck_end(() => {
            let endTime = new Date()
            if (endTime - startTime >= 500) {
              cb(null, cache_84_position)
              this.end()
            }
            else {
              this.tip.setPosition(
                cartesian,
                ((movement.position1.x + movement.position2.x) / 2) + this.viewer.canvas.width,
                (movement.position1.y + movement.position2.y) / 2
              )
              if (!this.polygonHasCreated) {
                let polyline_id = DrawPolygon.create_polygon(this, this._sdk2D.viewer)
                this.points_ids.push(polyline_id)
              }
              cache_positions.push(cartesian)
              // console.log(cache_positions)
              cache_84_position.push(this.cartesian3Towgs84(cartesian, this.viewer))
              // console.log(this.cartesian3Towgs84(cartesian))
              this.points_ids.push(this.create_point(cartesian, this._sdk2D.viewer))
              this.positions = cache_positions.concat(cartesian)
            }
          })
        })
      }
    }
  }
}

export default DrawPolygon