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


class DrawPoint extends Draw {
  /**
   * @constructor
   * @desc 获取坐标点
   * */
  constructor(sdk, options = {}, is2D = false) {
    super(sdk, options, is2D)
  }

  /**
   * @desc 开始动态获取坐标点
   * @method start
   * @param cb {function} 回调函数
   * @memberOf DrawPoint
   * @example draw.start((err,position)=>{
   *
   * })
   * */

  start(cb) {
    if (YJ.Measure.GetMeasureStatus()) {
      cb('上一次测量未结束')
    } else {
      let car = undefined
      YJ.Measure.SetMeasureStatus(true)
      this.tip = new MouseTip(this.tipText || '左键确定，右键结束；', this.sdk)
      this.event = new MouseEvent(this.sdk)
      this.event.mouse_left((movement, cartesian) => {
        this.end()
        let p = this.cartesian3Towgs84(car || cartesian, this.viewer)
        cb(null, p, Cesium)
      })
      this.event.mouse_right((movement, cartesian) => {
        this.end()
        cb(false)
      })
      this.event.mouse_move((movement, cartesian) => {
        car = cartesian
        this.tip.setPosition(
          cartesian,
          movement.endPosition.x,
          movement.endPosition.y
        )
      })

      this.event.gesture_pinck_start((movement, cartesian) => {
        let startTime = new Date()
        this.event.gesture_pinck_end(() => {
          let endTime = new Date()
          if (endTime - startTime >= 500) {
            this.end()
            cb(false)
          }
          else {
            this.end()
            let p = this.cartesian3Towgs84(car || cartesian, this.viewer)
            cb(null, p)
          }
        })
      })



      if (!this._is2D && this._sdk2D) {
        this.event2D = new MouseEvent(this._sdk2D)
        this.event2D.mouse_left((movement, cartesian) => {
          this.end()
          let p = this.cartesian3Towgs84(car || cartesian, this.viewer)
          cb(null, p, Cesium)
        })
        this.event2D.mouse_right((movement, cartesian) => {
          this.end()
          cb(false)
        })
        this.event2D.mouse_move((movement, cartesian) => {
          car = cartesian
          this.tip.setPosition(
            cartesian,
            movement.endPosition.x + this.viewer.canvas.width,
            movement.endPosition.y
          )
        })

        this.event2D.gesture_pinck_start((movement, cartesian) => {
          let startTime = new Date()
          this.event2D.gesture_pinck_end(() => {
            let endTime = new Date()
            if (endTime - startTime >= 500) {
              this.end()
              cb(false)
            }
            else {
              this.end()
              let p = this.cartesian3Towgs84(car || cartesian, this.viewer)
              cb(null, p)
            }
          })
        })
      }
    }
  }

  end() {
    YJ.Measure.SetMeasureStatus(false)
    this.event && this.event.destroy()
    this.event2D && this.event2D.destroy()
    this.tip && this.tip.destroy()
  }
}

export default DrawPoint