// 原理是利用dom-to-image.js将DIV转为IMG图片

import * as mars3d from "mars3d"

export let map // mars3d.Map三维地图对象
export let graphicLayer // 矢量图层对象

export const eventTarget = new mars3d.BaseClass()

/**
 * 初始化地图业务，生命周期钩子函数（必须）
 * 框架在地图初始化完成后自动调用该函数
 * @param {mars3d.Map} mapInstance 地图对象
 * @returns {void} 无
 */
export function onMounted(mapInstance) {
  map = mapInstance // 记录map

  // 创建矢量数据图层
  graphicLayer = new mars3d.layer.GraphicLayer()
  map.addLayer(graphicLayer)

  bindLayerEvent() // 对图层绑定相关事件
  bindLayerPopup() // 在图层上绑定popup,对所有加到这个图层的矢量数据都生效
  bindLayerContextMenu() // 在图层绑定右键菜单,对所有加到这个图层的矢量数据都生效

  // 加一些演示数据
  addDemoGraphic1(graphicLayer)
  addDemoGraphic2(graphicLayer)
  addDemoGraphic3(graphicLayer)
}

/**
 * 释放当前地图业务的生命周期函数
 * @returns {void} 无
 */
export function onUnmounted() {
  map = null

  graphicLayer.remove()
  graphicLayer = null
}

function addDemoGraphic1(graphicLayer) {
  const graphic = new mars3d.graphic.DivBillboardEntity({
    position: new mars3d.LngLatPoint(116.301798, 30.835848, 915),
    style: {
      html: `<div class="marsImgPanel2">
              <div class="title">测试DIV点</div>
              <div class="content">此处可以绑定任意Html代码和css效果</div>
          </div >`,
      horizontalOrigin: Cesium.HorizontalOrigin.LEFT,
      verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
      clampToGround: true
    },
    attr: { remark: "示例1" }
  })
  graphicLayer.addGraphic(graphic)

  initGraphicManager(graphic)

  // graphic转geojson
  const geojson = graphic.toGeoJSON()
  console.log("转换后的geojson", geojson)
  addGeoJson(geojson, graphicLayer)
}

// 添加单个geojson为graphic，多个直接用graphicLayer.loadGeoJSON
function addGeoJson(geojson, graphicLayer) {
  const graphicCopy = mars3d.Util.geoJsonToGraphics(geojson)[0]
  delete graphicCopy.attr
  // 新的坐标
  graphicCopy.position = [116.33493, 30.822064, 644.43]
  graphicCopy.style.label = graphicCopy.style.label || {}
  graphicCopy.style.label.text = "我是转换后生成的"
  graphicLayer.addGraphic(graphicCopy)
}

function addDemoGraphic2(graphicLayer) {
  const graphic = new mars3d.graphic.DivBillboardEntity({
    position: [116.39224, 30.902853],
    style: {
      html: '<div class="marsImgPanel1"><div class="title">M a r s G I S</div></div>',
      horizontalOrigin: Cesium.HorizontalOrigin.LEFT,
      verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
      clampToGround: true,
      scale: 1.0,

      // 高亮时的样式（默认为鼠标移入，也可以指定type:'click'单击高亮），构造后也可以openHighlight、closeHighlight方法来手动调用
      highlight: {
        scale: 1.2
      }
    },
    attr: { remark: "示例2" }
  })
  graphicLayer.addGraphic(graphic)
}

function addDemoGraphic3(graphicLayer) {
  const graphic = new mars3d.graphic.DivBillboardEntity({
    position: [116.340443, 30.882935, 389.88],
    style: {
      html: '<div class="marsImgPanel1"><div class="title">火 星 科 技</div></div>',
      horizontalOrigin: Cesium.HorizontalOrigin.LEFT,
      verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
      clampToGround: true
    },
    attr: { remark: "示例3" }
  })
  graphicLayer.addGraphic(graphic)
}

// 在图层级处理一些事物
function bindLayerEvent() {
  // 在layer上绑定监听事件
  graphicLayer.on(mars3d.EventType.click, function (event) {
    console.log("监听layer，单击了矢量对象", event)
  })
  /* graphicLayer.on(mars3d.EventType.mouseOver, function (event) {
    console.log("监听layer，鼠标移入了矢量对象", event)
  })
  graphicLayer.on(mars3d.EventType.mouseOut, function (event) {
    console.log("监听layer，鼠标移出了矢量对象", event)
  }) */

  // 数据编辑相关事件，用于editorUI属性弹窗的交互
  graphicLayer.on(mars3d.EventType.drawCreated, function (e) {
    const graphic = e.graphic
    eventTarget.fire("graphicEditor-start", { graphic })
  })

  graphicLayer.on(
    [mars3d.EventType.editStart, mars3d.EventType.editMovePoint, mars3d.EventType.editStyle, mars3d.EventType.editRemovePoint],
    function (e) {
      const graphic = e.graphic
      eventTarget.fire("graphicEditor-update", { graphic })
    }
  )
  graphicLayer.on([mars3d.EventType.editStop, mars3d.EventType.removeGraphic], function (e) {
    eventTarget.fire("graphicEditor-stop")
  })
}

// 在图层绑定Popup弹窗
export function bindLayerPopup() {
  graphicLayer.bindPopup(function (event) {
    const attr = event.graphic.attr || {}
    attr["类型"] = event.graphic.type
    attr["来源"] = "我是layer上绑定的Popup"
    attr["备注"] = "我支持鼠标交互"

    return mars3d.Util.getTemplateHtml({ title: "矢量图层", template: "all", attr: attr })
  })
}

// 绑定右键菜单
export function bindLayerContextMenu() {
  graphicLayer.bindContextMenu([
    {
      text: "开始编辑对象",
      icon: "fa fa-edit",
      show: function (e) {
        const graphic = e.graphic
        if (!graphic || !graphic.startEditing) {
          return false
        }
        return !graphic.isEditing
      },
      callback: function (e) {
        const graphic = e.graphic
        if (!graphic) {
          return false
        }
        if (graphic) {
          graphicLayer.startEditing(graphic)
        }
      }
    },
    {
      text: "停止编辑对象",
      icon: "fa fa-edit",
      show: function (e) {
        const graphic = e.graphic
        if (!graphic) {
          return false
        }
        return graphic.isEditing
      },
      callback: function (e) {
        const graphic = e.graphic
        if (!graphic) {
          return false
        }
        if (graphic) {
          graphicLayer.stopEditing(graphic)
        }
      }
    },
    {
      text: "删除对象",
      icon: "fa fa-trash-o",
      show: (event) => {
        const graphic = event.graphic
        if (!graphic || graphic.isDestroy) {
          return false
        } else {
          return true
        }
      },
      callback: function (e) {
        const graphic = e.graphic
        if (!graphic) {
          return
        }
        const parent = graphic._parent // 右击是编辑点时
        graphicLayer.removeGraphic(graphic)
        if (parent) {
          graphicLayer.removeGraphic(parent)
        }
      }
    }
  ])
}

export function updateLayerHasEdit(val) {
  graphicLayer.hasEdit = val
}

// 按钮事件
export function startDrawGraphic() {
  // 开始绘制
  graphicLayer.startDraw({
    type: "divBillboard",
    style: {
      html: `<div class="marsImgPanel2">
                    <div class="title">测试DIV点</div>
                    <div class="content">此处可以绑定任意Html代码和css效果</div>
                </div >`,
      horizontalOrigin: Cesium.HorizontalOrigin.LEFT,
      verticalOrigin: Cesium.VerticalOrigin.BOTTOM
    }
  })
}

// 也可以在单个Graphic上做个性化管理及绑定操作
function initGraphicManager(graphic) {
  // 3.在graphic上绑定监听事件
  /* graphic.on(mars3d.EventType.click, function (event) {
    console.log("监听graphic，单击了矢量对象", event)
  })
  graphic.on(mars3d.EventType.mouseOver, function (event) {
    console.log("监听graphic，鼠标移入了矢量对象", event)
  })
  graphic.on(mars3d.EventType.mouseOut, function (event) {
    console.log("监听graphic，鼠标移出了矢量对象", event)
  }) */

  // 绑定Tooltip
  // graphic.bindTooltip('我是graphic上绑定的Tooltip') //.openTooltip()

  // 绑定Popup
  const inthtml = `<table style="width: auto;">
            <tr>
              <th scope="col" colspan="2" style="text-align:center;font-size:15px;">我是graphic上绑定的Popup </th>
            </tr>
            <tr>
              <td>提示：</td>
              <td>这只是测试信息，可以任意html</td>
            </tr>
          </table>`
  graphic.bindPopup(inthtml).openPopup()

  // 绑定右键菜单
  graphic.bindContextMenu([
    {
      text: "删除对象[graphic绑定的]",
      icon: "fa fa-trash-o",
      callback: function (e) {
        const graphic = e.graphic
        if (graphic) {
          graphic.remove()
        }
      }
    }
  ])

  // 测试 颜色闪烁
  if (graphic.startFlicker) {
    graphic.startFlicker({
      time: 20, // 闪烁时长（秒）
      maxAlpha: 0.5,
      color: Cesium.Color.YELLOW,
      onEnd: function () {
        // 结束后回调
      }
    })
  }
}