import { pulseEffect, reversePolyLine } from '../../utils/utils'
import Popup from '@views/popup/Popup'
import { LAYERPROPS, LAYERS } from '../../conf/Constants'

/**
 * 整合定位、高亮、弹窗
 * @param feature  geojson
 * @param config   图层的config
 */
export const locate = function (feature, config, filter) {
  fitBounds(feature)
  highlight(feature, config)
  setTimeout(() => {
    const centerPoint = getCenterPoint(feature)
    const params = { LAYERS: config.layerGroup || config.typeName, QUERY_LAYERS: config.layerGroup || config.typeName }
    const filters = []
    if (config.filter) {
      filters[filters.length] = config.filter
    }
    if (filter) {
      filters[filters.length] = filter
    }
    if (filters.length > 0) {
      params.CQL_FILTER = filters.join(' AND ')
    }
    window.mapManager.loadWfsDatas(centerPoint, params).then((res) => {
      openPropsPopup(centerPoint, res.features)
    })
  }, 1000)
}
/**
 * 根据传的 feature对象定位，
 * @param code
 * @param feature
 */
export const fitBounds = function (feature) {
  const type = feature.geometry.type
  switch (type) {
    case 'Point':
      var point = feature.geometry.coordinates
      point = [point[1], point[0]]
      window.map.setView(point, 17)
      break
    case 'MultiLineString':
      window.map.fitBounds(window.L.geoJSON(feature).getBounds())
      break
    case 'LineString':
      window.map.fitBounds(window.L.polyline(reversePolyLine(feature)).getBounds())
      break
  }
}

export const highlight = function (feature, icon) {
  const L = window.L
  const type = feature.geometry.type
  window.mapManager.clearHighlight()
  const highlightLayer = window.mapManager.hightlightLayer
  if (type === 'MultiLineString') {
    L.geoJSON(feature, {
      style: function () {
        return {
          fillColor: 'red',
          color: 'red'
        }
      }
    }).addTo(highlightLayer)
  } else if (type === 'Point') {
    // 叠加一个大尺寸的图标
    let point = feature.geometry.coordinates
    point = [point[1], point[0]]

    if (icon) {
      L.marker(point, {
        icon: L.icon({
          iconUrl: '/assets/images/map/' + icon,
          iconSize: [30, 30],
          iconAnchor: [15, 15]
        })
      }).addTo(highlightLayer)
    }
    pulseEffect(point)
  } else if (type === 'LineString') {
    L.polyline(reversePolyLine(feature), { color: 'red' }).addTo(highlightLayer)
  }
}

/**
 * 弹出属性列表展示窗口
 * @param xy      弹出窗口跟随要素的经纬度
 * @param layer   查询指定的图层。不指定时，默认为勾选的图层
 */
export const openPropsPopup = function (xy, features) {
  const lt = window.map.latLngToContainerPoint(xy)
  const datas = popupDatas(features)
  console.log(datas)
  if (datas.length > 0) {
    window.$layer.open({
      content: {
        comp: Popup, // 组件
        data: { // 传递的参数
          datas: datas
        }
      },
      title: '', // 标题
      left: lt.x,
      top: lt.y
    })
  }
}

export const getCenterPoint = function (feature) {
  const type = feature.geometry.type
  var point = []
  switch (type) {
    case 'Point':
      point = feature.geometry.coordinates
      break
    case 'MultiLineString':
      var coordinates = feature.geometry.coordinates
      var coordinate = coordinates[parseInt(coordinates.length / 2)][0]
      if (coordinate.length > 2) {
        point = [coordinate[0], coordinate[1]]
      }
      break
    case 'LineString':
      var lineString = feature.geometry.coordinates
      point = lineString[parseInt(lineString.length / 2)][0]
      break
  }
  if (point.length > 2) {
    point.splice(2, 1)
  }
  return point.reverse()
}

const popupDatas = function (features) {
  const datas = []
  if (features) {
    for (var i = 0; i < features.length; i++) {
      const feature = features[i]
      const id = feature.id
      const properties = feature.properties
      const ids = id.split('.')

      const propValues = LAYERPROPS[ids[0]]
      const contents = {}
      if (!propValues) {
        continue
      }
      for (const k in properties) {
        if (propValues[k]) {
          contents[propValues[k]] = properties[k]
        }
      }
      datas.push({
        title: LAYERS[ids[0]],
        name: feature.id,
        content: contents
      })
      console.log(properties)
    }
  }
  return datas
}

export const getLayer = function (layerId, id) {
  const layer = this.layers[layerId]

  if (layer) {
    layer.eachLayer(function (layer) {
      const layers = layer.getLayers()
      for (var i = 0; i < layers.length; i++) {
        const lay = layers[i]
        const feature = lay.feature
        if (feature.id === id) {
          return lay
        }
      }
    })
  }
  return null
}