import { getHost, getToken } from "../../on";
class DTH {
  constructor(sdk, options = {}) {
    this.sdk = sdk
    this.primitives = {
      building: [],
      dth: []
    }
    this.options = {...options}
    this.options.host = this.options.host || getHost()
    this.temporaryDth = []
    this.dth = {}
    this.HandlePickHouseEvent = new Cesium.Event();
    this.initEvents()
  }

  /**
   * @description 注册分户点击的事件回调
   * @memberOf DTH
   * */
  houseSelectedCallback(that, cb) {
    this.HandlePickHouseEvent.addEventListener(
      cb,
      that
    )
  }

  //场景事件
  initEvents() {
    new Cesium.ScreenSpaceEventHandler(this.sdk.viewer.scene.canvas).setInputAction(((e) => {
      if (!this.isActivate) return;
      let pickFeature = this.sdk.viewer.scene.pick(e.position);
      if (pickFeature) {
        //点击了已有的分户单体化
        if (pickFeature.primitive && pickFeature.primitive instanceof Cesium.ClassificationPrimitive && pickFeature.id && pickFeature.id.type == "dth") {
          this.getIDBypickFeature(pickFeature); //处理点击到的楼层
          return;
        }

        if (pickFeature.id && pickFeature.id.type === 'highlight') {
          return;
        }
      }

      this.highlightPrimitive && this.sdk.viewer.scene.primitives.remove(this.highlightPrimitive)
      let position = this.sdk.viewer.scene.pickPosition(e.position); //屏幕坐标转为笛卡尔空间坐标
      if (!position) return;

      let c = Cesium.Cartographic.fromCartesian(position); //笛卡尔坐标转为经纬度（弧度）
      let point = [Cesium.Math.toDegrees(c.longitude), Cesium.Math.toDegrees(c.latitude)]; //转为经纬度点
      this.queryByPoint(point, c.height);
    }), Cesium.ScreenSpaceEventType.LEFT_CLICK);
  }

  /*根据用户信息查询单体化*/
  queryByUserInfo(data) {
    this.queryByPoint([data.position.lng, data.position.lat], data.position.alt, data.id)
  }

  //点查询  点击查询是查询分层的数据
  async queryByPoint(point) {
    let url = ""
    if (this.options.host.endsWith("yjearth4.0")) {
      url = this.options.host + '/api/v1/dth/query_by_point'
    }
    else {
      url = this.options.host + '/yjearth4.0/api/v1/dth/query_by_point'
    }
    url += '?point=' + JSON.stringify({'lng': point[0],'lat': point[1]})
    let response = await fetch(url, {
      method: 'get',
      headers: {
        'Content-Type': 'application/json',
        "token": getToken(),
        "Authorization": "Bearer " + getToken(),
      }
    })
    if (response.status === 200) {
      let data = await response.json()
      if (data.code === 200 || data.code === 0) {
        this.clearAllDthPrimitive()
        this.addDthPrimitive(data.data.list)
      }
      else {
        window.ELEMENT && window.ELEMENT.Message({
          message: data.msg || data.message,
          type: 'warning',
          duration: 1500
        });
      }
    }
  }



  // 添加房屋Primitive
  async addBuildingPrimitive(array) {
    for (let i = 0; i < array.length; i++) {
      let fromDegreesArray = []
      let extrudedHeight = 0
      let positions = JSON.parse(array[i].range)
      for (let m = 0; m < positions.length; m++) {
        if (extrudedHeight < positions[m].alt) {
          extrudedHeight = positions[m].alt
        }
        fromDegreesArray.push(positions[m].lng, positions[m].lat, 0)
      }
      let polygonGeometry = new Cesium.PolygonGeometry({
        polygonHierarchy: new Cesium.PolygonHierarchy(
          Cesium.Cartesian3.fromDegreesArrayHeights(fromDegreesArray)
        ),
        // perPositionHeight: true, //使用z坐标 否则高度从0开始
        extrudedHeight: 100000000, //拉伸高度
      });
      this.primitives.building.push(this.sdk.viewer.scene.primitives.add(
        new Cesium.ClassificationPrimitive({
          geometryInstances: new Cesium.GeometryInstance({
            id: {
              ...array[i],
            },
            geometry: Cesium.PolygonGeometry.createGeometry(polygonGeometry),
            attributes: {
              color: Cesium.ColorGeometryInstanceAttribute.fromColor(
                Cesium.Color.fromCssColorString('rgb(255, 235, 59, 0.4)')
              ),
              show: new Cesium.ShowGeometryInstanceAttribute(true),
            }
          }),
          classificationType: Cesium.ClassificationType.CESIUM_3D_TILE,
        }), 0
      ))
    }
  }
  // 根据id删除房屋Primitive
  clearBuildingPrimitive(id) {
    for (let i = this.primitives.building.length - 1; i >= 0; i--) {
      if (id === this.primitives.building[i]._primitiveOptions.geometryInstances[0].id.ID) {
        this.sdk.viewer.scene.primitives.remove(this.primitives.building[i])
        this.primitives.building.splice(i, 1)
        break
      }
    }
  }
  // 删除全部房屋Primitive
  clearAllBuildingPrimitive() {
    for (let i = this.primitives.building.length - 1; i >= 0; i--) {
      this.sdk.viewer.scene.primitives.remove(this.primitives.building[i])
    }
    this.primitives.building = []
  }

  // 添加单体化Primitive
  addDthPrimitive(array) {
    let readyIndex = 0
    let Primitives = []
    for (let i = 0; i < array.length; i++) {
      let positions = JSON.parse(array[i].range)
      let fromDegreesArray = []
      for (let m = 0; m < positions.length; m++) {
        fromDegreesArray.push(positions[m].lng, positions[m].lat, array[i].bottom)
      }
      let polygonGeometry = new Cesium.PolygonGeometry({
        polygonHierarchy: new Cesium.PolygonHierarchy(
          Cesium.Cartesian3.fromDegreesArrayHeights(fromDegreesArray)
        ),
        perPositionHeight: true, //使用z坐标 否则高度从0开始
        extrudedHeight: array[i].height + array[i].bottom, //拉伸高度
      });
      let Primitive = new Cesium.ClassificationPrimitive({
        geometryInstances: new Cesium.GeometryInstance({
          id: {
            type: 'dth',
            ...array[i],
          },
          geometry: Cesium.PolygonGeometry.createGeometry(polygonGeometry),
          attributes: {
            color: Cesium.ColorGeometryInstanceAttribute.fromColor(
              Cesium.Color.fromCssColorString('rgb(255, 235, 59, 0.4)')
            ),
            show: new Cesium.ShowGeometryInstanceAttribute(true),
          }
        }),
        classificationType: Cesium.ClassificationType.CESIUM_3D_TILE,
      })
      Primitives.push(Primitive)
      this.sdk.viewer.scene.primitives.add(Primitive)
      Primitive._readyPromise.then(()=>{
        this.clearDthPrimitive(Primitive._primitiveOptions.geometryInstances[0].id.ID)
        readyIndex ++
        if(readyIndex >= array.length) {
          this.primitives.dth.push(...Primitives);
        }
      })
    }
  }
  // 根据id删除单体化Primitive
  clearDthPrimitive(id) {
    for (let i = this.primitives.dth.length - 1; i >= 0; i--) {
      if (id === this.primitives.dth[i]._primitiveOptions.geometryInstances[0].id.ID) {
        this.sdk.viewer.scene.primitives.remove(this.primitives.dth[i])
        this.primitives.dth.splice(i, 1)
      }
    }
  }

  getDthPrimitive(id) {
    for (let i = this.primitives.dth.length - 1; i >= 0; i--) {
      if (id === this.primitives.dth[i]._primitiveOptions.geometryInstances[0].id.ID) {
        return this.primitives.dth[i]
      }
    }
  }

  // 删除全部单体化Primitive
  clearAllDthPrimitive() {
    for (let i = this.primitives.dth.length - 1; i >= 0; i--) {
      this.sdk.viewer.scene.primitives.remove(this.primitives.dth[i])
    }
    this.primitives.dth = []
  }

  getIDBypickFeature(pickFeature) {
    //恢复上一个贴对象面显示
    if (this.clickHighlightPrimitive) {
      this.clickHighlightPrimitive.show = true;
    }
    this.highlightPrimitive && this.sdk.viewer.scene.primitives.remove(this.highlightPrimitive)
    this.highlightPrimitive = this.sdk.viewer.scene.primitives.add(
      new Cesium.ClassificationPrimitive({
        geometryInstances: new Cesium.GeometryInstance({
          id: {
            type: 'highlight',
          },
          geometry: pickFeature.primitive._primitiveOptions.geometryInstances[0].geometry,
          attributes: {
            color: Cesium.ColorGeometryInstanceAttribute.fromColor(
              Cesium.Color.fromCssColorString('rgb(255, 0, 0, 1)')
            ),
            show: new Cesium.ShowGeometryInstanceAttribute(true),
          }
        }),
        classificationType: Cesium.ClassificationType.CESIUM_3D_TILE,
      })
    )
    this.highlightPrimitive.readyPromise.then(() => {
      //设置当前点击的贴对象面不显示
      pickFeature.primitive.show = false;
    })
    this.clickHighlightPrimitive = pickFeature.primitive;
    this.handlePickHouse(pickFeature.id)
  }

  //处理拾取到的户室信息
  handlePickHouse(id) {
    this.HandlePickHouseEvent.raiseEvent({}); //触发选中事件 通知界面更新
  }

  activate() {
    this.isActivate = true;
  }

  deactivate() {
    this.isActivate = false;
  }
}

export default DTH