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: {
    fxaa: true,
    center: { lat: 30.851105, lng: 116.352067, alt: 1116, heading: 349, pitch: -27 }
  }
}

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

  map.basemap = 2017 // 蓝色底图

  map.fixedLight = true // 固定光照，避免gltf模型随时间存在亮度不一致。

  // 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)
  addDemoGraphic4(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.ModelEntity({
    name: "消防员",
    position: [116.346929, 30.861947, 401.34],
    style: {
      url: "//data.mars3d.cn/gltf/mars/firedrill/xiaofangyuan-run.gltf",
      scale: 20,
      minimumPixelSize: 50,
      heading: 90,

      distanceDisplayCondition: true,
      distanceDisplayCondition_near: 0,
      distanceDisplayCondition_far: 10000,
      distanceDisplayPoint: {
        // 当视角距离超过 10000米(distanceDisplayCondition_far定义的) 后显示为点对象的样式
        color: "#00ff00",
        pixelSize: 8
      },

      label: {
        text: "我是原始的",
        font_size: 18,
        color: "#ffffff",
        pixelOffsetY: -50,
        distanceDisplayCondition: true,
        distanceDisplayCondition_far: 10000,
        distanceDisplayCondition_near: 0
      }
    },
    attr: { remark: "示例1" }
  })
  graphicLayer.addGraphic(graphic)

  // 演示个性化处理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 = [116.348587, 30.859472, 373.8]
  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.ModelEntity({
    name: "风机",
    position: [116.35104, 30.86225, 374.4],
    style: {
      url: "//data.mars3d.cn/gltf/mars/fengche.gltf",
      heading: 270,
      scale: 30,
      minimumPixelSize: 100,
      silhouette: false,

      distanceDisplayCondition: true,
      distanceDisplayCondition_near: 0,
      distanceDisplayCondition_far: 9000,
      distanceDisplayBillboard: {
        // 当视角距离超过 9000米(distanceDisplayCondition_far定义的) 后显示为图标对象的样式
        image: "img/marker/303.png",
        scale: 1
      },

      // 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: {
        silhouette: true,
        silhouetteColor: "#00ffff",
        silhouetteSize: 3
      }
    },
    attr: { remark: "示例2" }
  })
  graphicLayer.addGraphic(graphic)
}

function addDemoGraphic3(graphicLayer) {
  const graphic = new mars3d.graphic.ModelEntity({
    name: "汽车",
    position: [116.349194, 30.864603, 376.58],
    style: {
      url: "//data.mars3d.cn/gltf/mars/qiche.gltf",
      scale: 0.5,
      minimumPixelSize: 50,
      silhouette: false,

      // 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: {
        silhouette: true,
        silhouetteColor: "#ff0000",
        silhouetteSize: 4
      }
    },
    attr: { remark: "示例3" }
  })
  graphicLayer.addGraphic(graphic)
}

function addDemoGraphic4(graphicLayer) {
  const propertyFJ = getSampledPositionProperty([
    [116.341348, 30.875522, 500],
    [116.341432, 30.871815, 500],
    [116.347965, 30.866654, 500],
    [116.352154, 30.855531, 500],
    [116.341181, 30.85326, 500],
    [116.334609, 30.856601, 500],
    [116.337695, 30.866505, 500],
    [116.345018, 30.870448, 500],
    [116.345028, 30.870436, 500]
  ])

  // 飞机
  const graphicModel = new mars3d.graphic.ModelEntity({
    position: propertyFJ,
    orientation: new Cesium.VelocityOrientationProperty(propertyFJ),
    style: {
      url: "//data.mars3d.cn/gltf/mars/wrj.glb",
      scale: 0.1,
      minimumPixelSize: 20
    },
    attr: { remark: "示例4" },
    hasEdit: false
  })
  graphicLayer.addGraphic(graphicModel)
}

// 计算演示的SampledPositionProperty轨迹
function getSampledPositionProperty(points) {
  const property = new Cesium.SampledPositionProperty()
  property.forwardExtrapolationType = Cesium.ExtrapolationType.HOLD

  const start = map.clock.currentTime
  const positions = mars3d.LngLatArray.toCartesians(points)
  for (let i = 0; i < positions.length; i++) {
    const time = Cesium.JulianDate.addSeconds(start, i * 20, new Cesium.JulianDate())
    const position = positions[i]
    property.addSample(time, position)
  }
  return property
}

// 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， 用于属性弹窗的交互
  graphicLayer.on(mars3d.EventType.drawCreated, function (e) {
    eventTarget.fire("graphicEditor-start", e)
  })
  graphicLayer.on(
    [mars3d.EventType.editStart, mars3d.EventType.editMovePoint, mars3d.EventType.editStyle, mars3d.EventType.editRemovePoint],
    function (e) {
      eventTarget.fire("graphicEditor-update", e)
    }
  )
  graphicLayer.on([mars3d.EventType.editStop, mars3d.EventType.removeGraphic], function (e) {
    eventTarget.fire("graphicEditor-stop", e)
  })
}

// 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: "model",
    style: {
      scale: 10,
      url: "//data.mars3d.cn/gltf/mars/firedrill/xiaofangche.gltf",
      label: {
        // 不需要文字时，去掉label配置即可
        text: "可以同时支持文字",
        font_size: 20,
        color: "#ffffff",
        outline: true,
        outlineColor: "#000000",
        pixelOffsetY: -20
      }
    }
  })
}

// 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
      }
    })
  }
}