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

// 需要覆盖config.json中地图属性参数（当前示例框架中自动处理合并）
export const mapOptions = {
  scene: {
    center: { lat: 31.78828, lng: 117.219198, alt: 6885, heading: 346, pitch: -62 }
  }
}
/**
 * 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

  globalNotify("已知问题提示", `(1) 井目前主要地形开挖分析内部中使用，在本示例内未开启深度检测时会浮动在地图上。`)

  // 创建Graphic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 primitive = new mars3d.graphic.Pit({
    positions: [
      [117.216544, 31.835278, 40],
      [117.225898, 31.834257, 40],
      [117.226338, 31.828961, 40],
      [117.216592, 31.830586, 40]
    ],
    style: {
      diffHeight: 300, // 井的深度
      image: "./img/textures/poly-stone.jpg",
      imageBottom: "./img/textures/poly-soil.jpg",
      label: {
        text: "我是火星科技",
        font_size: 18,
        color: "#ffffff",
        distanceDisplayCondition: true,
        distanceDisplayCondition_far: 500000,
        distanceDisplayCondition_near: 0
      }
    },
    attr: { remark: "示例1" }
  })
  graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer)  //另外一种写法

  initGraphicManager(primitive)
}

// 图片材质
function addDemoGraphic2(graphicLayer) {
  const primitive = new mars3d.graphic.Pit({
    positions: [
      [117.187572, 31.823074, 45.53],
      [117.195377, 31.82418, 43.36],
      [117.204541, 31.818933, 37.06],
      [117.19775, 31.809539, 36.59],
      [117.183832, 31.814237, 38.76]
    ],
    style: {
      diffHeight: 200, // 井的深度
      image: "./img/textures/mining.jpg",
      imageBottom: "./img/textures/poly-soil.jpg",
      splitNum: 50 // 井边界插值数
    },
    attr: { remark: "示例2" }
  })
  graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer)  //另外一种写法
}

function addDemoGraphic3(graphicLayer) {
  const primitive = new mars3d.graphic.Pit({
    positions: [
      [117.216386, 31.815376, 35.16],
      [117.222533, 31.81729, 29.21],
      [117.22642, 31.814983, 28.43],
      [117.22681, 31.810739, 28.55],
      [117.212868, 31.811302, 34.4],
      [117.212538, 31.81424, 31.87],
      [117.214681, 31.81402, 32.97]
    ],
    style: {
      diffHeight: 200, // 井的深度
      image: "./img/textures/poly-stone.jpg",
      imageBottom: "./img/textures/poly-sand.jpg",
      splitNum: 50 // 井边界插值数
    },
    attr: { remark: "示例3" }
  })
  graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer)  //另外一种写法
}

function addPit(graphicLayer, positions, height) {
  console.log("绘制坐标为", JSON.stringify(mars3d.PointTrans.cartesians2lonlats(positions))) // 方便测试拷贝坐标

  const primitive = new mars3d.graphic.Pit({
    positions: positions,
    style: {
      diffHeight: height, // 井的深度
      image: "./img/textures/poly-stone.jpg",
      imageBottom: "./img/textures/poly-soil.jpg",
      splitNum: 50 // 井边界插值数
    }
  })
  graphicLayer.addGraphic(primitive)
}

// 绘制矩形
export function drawExtent(height) {
  map.graphicLayer.startDraw({
    type: "rectangle",
    style: {
      color: "#007be6",
      opacity: 0.8
    },
    success: function (graphic) {
      // 绘制成功后回调
      const positions = graphic.getOutlinePositions(false)
      map.graphicLayer.clear()

      // 构造井对象
      addPit(graphicLayer, positions, height)
    }
  })
}

// 绘制多边形
export function drawPolygon(height) {
  map.graphicLayer.startDraw({
    type: "polygon",
    style: {
      color: "#007be6",
      opacity: 0.5
    },
    success: function (graphic) {
      // 绘制成功后回调
      const positions = graphic.positionsShow
      map.graphicLayer.clear()

      // 构造井对象
      addPit(graphicLayer, positions, height)
    }
  })
}
// 井的深度发生改变
export function onHeightChange(num) {
  graphicLayer.eachGraphic((graphic) => {
    graphic.diffHeight = num
  })
}

// 开启深度监测
export function onDepthTestChange(val) {
  map.scene.globe.depthTestAgainstTerrain = val
  if (val) {
    globalMsg("深度监测打开后，您将无法看到地下或被地形遮挡的对象。")
  }
}

// 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 })
  })
}

// 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)
  }) */
}

// 绑定右键菜单
export function bindLayerContextMenu() {
  graphicLayer.bindContextMenu([
    {
      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)
        }
      }
    },
    {
      text: "计算周长",
      icon: "fa fa-medium",
      callback: function (e) {
        const graphic = e.graphic
        const strDis = mars3d.MeasureUtil.formatDistance(graphic.distance)
        globalAlert("该对象的周长为:" + strDis)
      }
    },
    {
      text: "计算面积",
      icon: "fa fa-reorder",
      callback: function (e) {
        const graphic = e.graphic
        const strArea = mars3d.MeasureUtil.formatArea(graphic.area)
        globalAlert("该对象的面积为:" + strArea)
      }
    }
  ])
}

// 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()
        }
      }
    }
  ])
}