import * as layer from 'ol/layer'
import * as source from 'ol/source'
import HaituImg from './images/bg-ocean.png'
import LutuImg from './images/bg-land.png'
import WeixingImg from './images/bg-sky.png'
import store from '@/store/index'

const baseMapView = {
  center: [109.6915958479584, 19.111636735969318],
  projection: "EPSG:4326",
  zoom: 9
  // extent: [120.8953306326286,31.3667480047968,121.37735577911297,31.692561298253832]
}
const initBaseLayer = (obj) => {
  const _layer = new layer.Tile({
    source: new source.XYZ({
      projection: "EPSG:4326",
      url: `/${store.state.app.apiProxy.EzServer6Api}/EzServer6/Maps/${obj.key}/EzMap?Service=getImage&Type=RGB&ZoomOffset=0&Col={x}&Row={y}&Zoom={z}&V=0.3`,
    }),
    visible: obj.visible,
  })
  _layer.set('_maxZoom', obj.maxZoom)
  _layer.set('_minZoom', obj.minZoom)
  _layer.set('_easyMapOl_layerName', obj.name)
  _layer.set('_label', obj.label)
  _layer.set('_img', obj.img)
  return _layer
}
const initLocalhost = (obj) => {
  const _layer = new layer.Tile({
    source: new source.XYZ({
      url: 'http://wprd0{1-4}.is.autonavi.com/appmaptile?lang=zh_cn&size=1&style=7&x={x}&y={y}&z={z}'
    }),
    visible: obj.visible,
  })
  _layer.set('_maxZoom', obj.maxZoom)
  _layer.set('_minZoom', obj.minZoom)
  _layer.set('_easyMapOl_layerName', obj.name)
  _layer.set('_label', obj.label)
  _layer.set('_img', obj.img)
  return _layer
}

const baseMapLayers = [
  initBaseLayer({
    key: 'sea',
    name: 'base_haitu',
    label: '海图',
    maxZoom: 14,
    minZoom: 5,
    visible: false,
    img: HaituImg
  }),
  !window.location.origin.includes('localhost')
    ? initBaseLayer({
      key: 'tdtsl',
      name: 'base_tianditu',
      label: '陆图',
      maxZoom: 20,
      minZoom: 8,
      visible: true,
      img: LutuImg
    })
  : initLocalhost({
      key: 'tdtsl',
      name: 'base_tianditu',
      label: '陆图',
      maxZoom: 20,
      minZoom: 8,
      visible: true,
      img: LutuImg
    }),
  initBaseLayer({
    key: 'hnimg',
    name: 'base_weixingtu',
    label: '卫星遥感图',
    maxZoom: 19,
    minZoom: 8,
    visible: false,
    img: WeixingImg
  }),
]

export default {
  baseMapView,
  baseMapLayers,
}