import { map, object3Dlayer } from './index_old';
import calculate from './calculate';
import imgLocation from '@/assets/mipmap/location.png';

var _defaultDeg = 30,
  _sector = undefined,
  _sectorViews = new Map(),
  // 动画轨迹
  _sectorViewsAna = new Map();

const zoomStyleMapping = {
  14: 0,
  15: 0,
  16: 0,
  17: 0,
  18: 0,
  19: 0,
  20: 0
};

function sectorParams(fDatas, i) {
  const lnglat = fDatas.lnglats_GD[i];
  let windDir = fDatas.factor[17].datas[i].factorData;
  let windSpeed = fDatas.factor[16].datas[i].factorData;
  if (!windDir) windDir = 0;
  if (!windSpeed) windSpeed = 0;

  // if (windSpeed > 10) {
  //   return;
  // }

  var sDeg = windDir - _defaultDeg; //扇形起始角度（以上方作为0度）
  // sDeg = sDeg < 0 ? sDeg + 360 : sDeg
  var eDeg = windDir + _defaultDeg; //扇形结束角度
  // eDeg = eDeg < 0 ? eDeg + 360 : eDeg

  var distance = windSpeed * 10 * 60; //半径(风速*时间)
  var lnglat2 = calculate.getLatLon(lnglat, distance, sDeg);
  var lnglat3 = calculate.getLatLon(lnglat, distance, windDir);
  var lnglat4 = calculate.getLatLon(lnglat, distance, eDeg);
  var list = calculate.parse2LngLat([lnglat, lnglat2, lnglat3, lnglat4]);

  var distance2 = windSpeed * 5 * 60; //半径(风速*时间)
  var lnglat2_2 = calculate.getLatLon(lnglat, distance2, sDeg);
  var lnglat2_3 = calculate.getLatLon(lnglat, distance2, windDir);
  var lnglat2_4 = calculate.getLatLon(lnglat, distance2, eDeg);
  var list2 = calculate.parse2LngLat([lnglat2_2, lnglat2_3, lnglat2_4]);

  distance = distance.toFixed(0);
  distance2 = distance2.toFixed(0);

  return { sDeg, eDeg, lnglat, distance, distance2, list, list2 };
}

/**
 * 可缩放的标记
 * 无法修改position（官网未找到相关api）
 */
function elasticMarker(position, content) {
  // eslint-disable-next-line no-undef
  return new AMap.ElasticMarker({
    zoom: [14, 20],
    position: position,
    styles: [
      {
        icon: {
          img: imgLocation,
          size: [16, 16], //可见区域的大小
          ancher: [8, 16], //锚点
          fitZoom: 18, //最合适的级别
          scaleFactor: 1, //地图放大一级的缩放比例系数
          maxScale: 2, //最大放大比例
          minScale: 1 //最小放大比例
        },
        label: {
          content: content,
          offset: [-35, 0],
          position: 'BM',
          minZoom: 15
        }
      }
    ],
    zoomStyleMapping: zoomStyleMapping
  });
}

/**
 * 文本标记
 * 可修改position
 */
function textMaker(position, text) {
  // eslint-disable-next-line no-undef
  return new AMap.Text({
    text: text,
    position: position,
    style: {
      'font-size': '13px',
      'text-align': 'center',
      color: 'white',
      'background-color': 'transparent',
      'text-shadow': 'black 2px 2px 2px',
      'border-radius': '2px',
      border: '0px',
      padding: '4px'
    }
  });
}

function drawSectorMesh(sDeg, eDeg, lnglat, distance, distance2) {
  // eslint-disable-next-line no-undef
  var sector = new AMap.Object3D.Mesh();
  sector.transparent = true;
  sector.backOrFront = 'both';

  var unit = 5;

  var p0 = calculate.lngLatToGeodeticCoord([lnglat])[0];
  var geometry = sector.geometry;

  var count = distance / unit;
  var unitDeg = (eDeg - sDeg) / count;

  for (let i = 0; i < count; i++) {
    var angle1 = sDeg + unitDeg * i;
    var angle2 = sDeg + unitDeg * (i + 1);

    var l1 = calculate.getLatLon(lnglat, distance, angle1);
    var l2 = calculate.getLatLon(lnglat, distance, angle2);
    var l3 = calculate.getLatLon(lnglat, distance2, angle1);
    var l4 = calculate.getLatLon(lnglat, distance2, angle2);

    var coors = calculate.lngLatToGeodeticCoord([l1, l2, l3, l4]);
    l1 = coors[0];
    l2 = coors[1];
    l3 = coors[2];
    l4 = coors[3];

    // 内测扇形
    geometry.vertices.push(p0.x, p0.y, 0);
    geometry.vertices.push(l3.x, l3.y, 0);
    geometry.vertices.push(l4.x, l4.y, 0);
    // 外侧扇形
    geometry.vertices.push(l3.x, l3.y, 0);
    geometry.vertices.push(l4.x, l4.y, 0);
    geometry.vertices.push(l1.x, l1.y, 0);
    geometry.vertices.push(l2.x, l2.y, 0);
    // console.log(l3.x + ',' + l3.y + ' | ' + l1.x + ',' + l1.y);

    // 内测扇形颜色
    geometry.vertexColors.push(1, 0.11, 0.25, 0.6);
    geometry.vertexColors.push(1, 0.11, 0.25, 0.6);
    geometry.vertexColors.push(1, 0.11, 0.25, 0.6);
    //外侧扇形颜色
    geometry.vertexColors.push(1, 0.37, 0.07, 0.5);
    geometry.vertexColors.push(1, 0.37, 0.07, 0.5);
    geometry.vertexColors.push(1, 0.37, 0.07, 0.5);
    geometry.vertexColors.push(1, 0.37, 0.07, 0.5);

    var index = i * 7;
    geometry.faces.push(index, index + 1, index + 2);
    geometry.faces.push(index + 3, index + 4, index + 5);
    geometry.faces.push(index + 4, index + 5, index + 6);
  }
  object3Dlayer.add(sector);
  _sector = sector;
}

function drawTextMaker(list, list2, distance, distance2) {
  //10分钟扇形
  const a = _sectorViews.get('text10-t');
  if (a == undefined) {
    const text10t = textMaker(list[2], '10分钟');
    _sectorViews.set('text10-t', text10t);
    const textM10t = textMaker(list[1], distance + 'm');
    _sectorViews.set('textM10-t', textM10t);
    map.add([text10t, textM10t]);
  } else {
    _sectorViews.get('text10-t').setPosition(list[2]);
    _sectorViews.get('textM10-t').setPosition(list[1]);
    _sectorViews.get('textM10-t').setText(distance + 'm');
  }
  //5分钟扇形
  const b = _sectorViews.get('text5-t');
  if (b == undefined) {
    const text5t = textMaker(list2[1], '5分钟');
    _sectorViews.set('text5-t', text5t);
    const textM5t = textMaker(list2[0], distance2 + 'm');
    _sectorViews.set('textM5-t', textM5t);
    map.add([text5t, textM5t]);
  } else {
    _sectorViews.get('text5-t').setPosition(list2[1]);
    _sectorViews.get('textM5-t').setPosition(list2[0]);
    _sectorViews.get('textM5-t').setText(distance2 + 'm');
  }
}

function drawElasticMarker(list, list2, distance, distance2) {
  //10分钟扇形
  const text10 = elasticMarker(list[2], '<div>10分钟</div>');
  _sectorViews.set('text10', text10);
  const textM = elasticMarker(list[1], `<div>${distance}m</div>`);
  _sectorViews.set('textM10', textM);
  map.add([text10, textM]);

  //5分钟扇形
  const text5 = elasticMarker(list2[1], '<div>5分钟</div>');
  _sectorViews.set('text5', text5);
  const textM5 = elasticMarker(list2[0], `<div>${distance2}m</div>`);
  _sectorViews.set('textM5', textM5);
  map.add([text5, textM5]);
}

export default {
  clearSector() {
    var list = [];
    for (const iterator of _sectorViews) {
      list.push(iterator[1]);
    }
    for (const iterator of _sectorViewsAna) {
      list.push(iterator[1]);
    }
    if (list.length > 0) {
      map.remove(list);
      _sectorViews.clear();
    }
    this.clearSectorMesh();
  },
  clearSectorMesh() {
    if (_sector) {
      object3Dlayer.remove(_sector);
    }
  },
  drawSector(fDatas, i) {
    if (_sector != undefined) {
      this.clearSector();
    }
    const { sDeg, eDeg, lnglat, distance, distance2, list, list2 } =
      sectorParams(fDatas, i);
    drawSectorMesh(sDeg, eDeg, lnglat, distance, distance2);
    drawElasticMarker(list, list2, distance, distance2);
  },

  drawSectorAna(fDatas, i) {
    this.clearSectorMesh();
    const { sDeg, eDeg, lnglat, distance, distance2, list, list2 } =
      sectorParams(fDatas, i);
    drawSectorMesh(sDeg, eDeg, lnglat, distance, distance2);
    drawTextMaker(list, list2, distance, distance2);
  }
};