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: 30.63693, lng: 116.271312, alt: 25226, heading: 350, pitch: -38 }
  }
}

/**
 * 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)
  addDemoGraphic4(graphicLayer)
  addDemoGraphic5(graphicLayer)
  addDemoGraphic6(graphicLayer)
  addDemoGraphic7(graphicLayer)
}

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

function addDemoGraphic1(graphicLayer) {
  const primitive = new mars3d.graphic.CylinderPrimitive({
    position: [116.282587, 30.859197, 1544.31],
    style: {
      length: 2000.0,
      topRadius: 0.0,
      bottomRadius: 1000.0,
      color: "#ff0000",
      opacity: 0.7
    },
    attr: { remark: "示例1" }
  })
  graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer)  //另外一种写法

  // 演示对graphic的个性化处理
  initGraphicManager(primitive)
}

function addDemoGraphic2(graphicLayer) {
  const primitive = new mars3d.graphic.CylinderPrimitive({
    position: new mars3d.LngLatPoint(116.22457, 30.883148, 1035.2),
    style: {
      length: 2000.0,
      topRadius: 0.0,
      bottomRadius: 1000.0,
      color: "#ff0000",
      opacity: 0.4,
      heading: 45,
      roll: 45,
      pitch: 0
    },
    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.CylinderPrimitive({
    position: [116.177214, 30.842242, 2000],
    style: {
      slices: 4, // 四凌锥
      length: 4000.0,
      topRadius: 0.0,
      bottomRadius: 900.0,
      color: "#00ffff",
      opacity: 0.4,

      label: { text: "鼠标移入会高亮", pixelOffsetY: -30 },
      // 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: {
        opacity: 0.8
      }
    },
    attr: { remark: "示例3" }
  })
  graphicLayer.addGraphic(primitive)
}

function addDemoGraphic4(graphicLayer) {
  const primitive = new mars3d.graphic.CylinderPrimitive({
    position: [116.244399, 30.920459, 573.6],
    style: {
      length: 2000.0,
      topRadius: 1000.0,
      bottomRadius: 1000.0,
      color: "#00FFFF",
      opacity: 0.4
    },
    attr: { remark: "示例4" }
  })
  graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer)  //另外一种写法
}

function addDemoGraphic5(graphicLayer) {
  const primitive = new mars3d.graphic.CylinderPrimitive({
    position: [116.328775, 30.954602, 5000],
    style: {
      length: 10000.0,
      topRadius: 0.0,
      bottomRadius: 1500.0,
      // 自定义扩散波纹纹理
      material: mars3d.MaterialUtil.createMaterial(mars3d.MaterialType.CylinderWave, {
        color: "#ffff00",
        repeat: 30.0
      }),
      faceForward: false, // 当绘制的三角面片法向不能朝向视点时，自动翻转法向，从而避免法向计算后发黑等问题
      closed: true // 是否为封闭体，实际上执行的是 是否进行背面裁剪
    },
    attr: { remark: "示例5" }
  })
  graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer)  //另外一种写法
}

function addDemoGraphic6(graphicLayer) {
  // 添加卫星1
  const point = new mars3d.LngLatPoint(116.148832, 30.920609, 9000)

  // 添加模型
  const graphicModel = new mars3d.graphic.ModelPrimitive({
    position: point,
    style: {
      url: "//data.mars3d.cn/gltf/mars/zhanji.glb",
      scale: 1,
      minimumPixelSize: 50
    },
    attr: { remark: "示例6" }
  })
  graphicLayer.addGraphic(graphicModel)

  // 效果1
  const pointQY = point.clone()
  pointQY.alt = pointQY.alt / 2

  const graphic = new mars3d.graphic.CylinderPrimitive({
    position: pointQY,
    style: {
      length: point.alt,
      topRadius: 0.0,
      bottomRadius: 3000,
      material: mars3d.MaterialUtil.createMaterial(mars3d.MaterialType.CircleWave, {
        color: "#02ff00"
      })
    }
  })
  graphicLayer.addGraphic(graphic) // 还可以另外一种写法: graphic.addTo(graphicLayer)
}

// 注册自定义材质
const CylinderFadeType = "CylinderFade"
mars3d.MaterialUtil.register(CylinderFadeType, {
  fabric: {
    uniforms: {
      color: new Cesium.Color(1.0, 0.0, 0.0, 0.7),
      image: Cesium.Material.DefaultImageId
    },
    source: `
        uniform vec4 color;
        uniform sampler2D image;
        czm_material czm_getMaterial(czm_materialInput materialInput){
          czm_material material = czm_getDefaultMaterial(materialInput);
          vec2 st = materialInput.st;
          float time = fract(czm_frameNumber / 90.) ;
          vec2 new_st = fract(st- vec2(time,time));
          vec4 colorImage = texture2D(image, new_st);
          vec3 diffuse = colorImage.rgb;
          float alpha = colorImage.a;
          diffuse *= color.rgb;
          alpha *= color.a;
          material.diffuse = diffuse;
          material.alpha = alpha * pow(1. - st.t,color.a);
          return material;
        } `
  },
  translucent: true
})

function addDemoGraphic7(graphicLayer) {
  Cesium.Resource.fetchImage({ url: "img/textures/vline-point.png" }).then((image) => {
    const primitive = new mars3d.graphic.CylinderPrimitive({
      position: [116.209929, 30.975196, 1670.4],
      style: {
        length: 2000.0,
        topRadius: 0.0,
        bottomRadius: 1000.0,
        material: mars3d.MaterialUtil.createMaterial(CylinderFadeType, {
          color: "#00ffff",
          image: _getParticlesImage(image)
        })
      },
      attr: { remark: "示例7" }
    })
    graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer)  //另外一种写法
  })
}

function _getParticlesImage(image) {
  const canvas = document.createElement("canvas")
  canvas.width = 64
  canvas.height = 256
  const ctx = canvas.getContext("2d")
  ctx.clearRect(0, 0, 64, 256)
  ctx.drawImage(image, 0, 0)
  ctx.drawImage(image, 33, 0)
  return canvas
}

// 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)
  }) */
}

// 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: "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)
        }
      }
    }
  ])
}

// 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()
        }
      }
    }
  ])
}