import { pulseEffect, reversePolyLine } from '../../utils/utils'

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

export const openPopup = 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
        lay.closePopup()
        if (feature.id === id) {
          lay.openPopup()
          break
        }
      }
    })
  }
  return null
}

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
}