import * as mars3d from "mars3d"

export let map // mars3d.Map三维地图对象

// 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: 29.516846, lng: 106.610174, alt: 13449, heading: 310, pitch: -64 }
  },
  baseLayerPicker: false
}

/**
 * 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

  addDemoGraphics()
}

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

function addDemoGraphics() {
  map.basemap = 2017 // 蓝色底图

  // 调节场景环境
  map.scene.globe.globeAlpha = 0.001
  map.scene.undergroundMode = true
  map.scene.sun.show = false
  map.scene.moon.show = false
  map.scene.skyBox.show = false
  map.scene.skyAtmosphere.show = false

  // geojson图层
  const geoJsonLayer1 = new mars3d.layer.GeoJsonLayer({
    url: "//data.mars3d.cn/file/geojson/wuhan-line1.json",
    symbol: {
      // type: 'polyline',
      styleOptions: {
        materialType: "PolylineGlow",
        glowPower: 0.06, // 发光强度
        width: 50, // 线宽
        color: "#FF4500",
        opacity: 0.9,
        clampToGround: true
      }
    },
    show: true
  })
  map.addLayer(geoJsonLayer1)

  const geoJsonLayer2 = new mars3d.layer.GeoJsonLayer({
    url: "//data.mars3d.cn/file/geojson/wuhan-line2.json",
    symbol: {
      styleOptions: {
        materialType: "PolylineGlow",
        glowPower: 0.1, // 发光强度
        width: 10, // 线宽
        color: "#FF4500",
        opacity: 0.9,
        clampToGround: true
      }
    },
    show: true
  })
  map.addLayer(geoJsonLayer2)

  const geoJsonLayer3 = new mars3d.layer.GeoJsonLayer({
    url: "//data.mars3d.cn/file/geojson/wuhan-line3.json",
    symbol: {
      styleOptions: {
        materialType: "PolylineGlow",
        glowPower: 0.1, // 发光强度
        width: 10, // 线宽
        color: "#FF4500",
        opacity: 0.9,
        clampToGround: true
      }
    },
    show: true
  })
  map.addLayer(geoJsonLayer3)
}