<template>
  <div
    :class="[
      'box ui-element rounded bg-white text-nowrap',
      { expanded: showLayers }
    ]"
  >
    <div class="position-relative" style="width: 17rem; min-height: 350px;">
      <UIBoxHeader
        icon="layer-group"
        :title="label"
        :closeCallback="close"
        :actions="[
          {
            callback: refreshLayers,
            icon: sourcesLoading ? 'spinner' : 'sync'
          }
        ]"
      />
      <div class="small" v-if="openLayersMaps.length">
        <Layerselect layerId="OPENSTREETMAP" />
        <Layerselect layerId="INLANDECDIS" />
        <Layerselect layerId="WATERWAYAREA" />
        <Layerselect layerId="STRETCHES" />
        <Layerselect layerId="SECTIONS" />
        <Layerselect layerId="BOTTLENECKS" />
        <Layerselect layerId="BOTTLENECKISOLINE" />
        <Layerselect layerId="DIFFERENCES" />
        <Layerselect layerId="FAIRWAYDIMENSIONSLOS3" />
        <Layerselect layerId="FAIRWAYDIMENSIONSLOS2" />
        <Layerselect layerId="FAIRWAYDIMENSIONSLOS1" />
        <Layerselect layerId="WATERWAYAXIS" />
        <Layerselect layerId="WATERWAYPROFILES" />
        <Layerselect layerId="BOTTLENECKSTATUS" />
        <Layerselect layerId="BOTTLENECKFAIRWAYAVAILABILITY" />
        <Layerselect layerId="DATAAVAILABILITY" />
        <Layerselect layerId="DISTANCEMARKS" />
        <Layerselect layerId="DISTANCEMARKSAXIS" />
        <Layerselect layerId="GAUGES" />
        <Layerselect layerId="FAIRWAYMARKS" />
        <Layerselect v-if="reviewActive" layerId="FDREVIEWLAYER" />
      </div>
      <UISpinnerOverlay v-else style="top: 34px;" />
    </div>
  </div>
</template>

<script>
/* This is Free Software under GNU Affero General Public License v >= 3.0
 * without warranty, see README.md and license for details.
 *
 * SPDX-License-Identifier: AGPL-3.0-or-later
 * License-Filename: LICENSES/AGPL-3.0.txt
 *
 * Copyright (C) 2018 by via donau
 *   – Österreichische Wasserstraßen-Gesellschaft mbH
 * Software engineering by Intevation GmbH
 *
 * Author(s):
 * Thomas Junk <thomas.junk@intevation.de>
 * Markus Kottländer <markus.kottlaender@intevation.de>
 */
import { mapState, mapGetters } from "vuex";

export default {
  components: {
    Layerselect: () => import("./Layerselect")
  },
  computed: {
    ...mapState("application", ["showLayers"]),
    ...mapState("map", ["openLayersMaps", "reviewActive"]),
    ...mapGetters("map", ["openLayersMap"]),
    label() {
      return this.$gettext("Map Layers");
    },
    sourcesLoading() {
      let counter = 0;
      this.openLayersMaps.forEach(map => {
        let layers = map.getLayers().getArray();
        for (let i = 0; i < layers.length; i++) {
          if (layers[i].getSource().loading) counter++;
        }
      });
      return counter;
    }
  },
  watch: {
    reviewActive() {
      if (!this.reviewActive) {
        const fairwaydimensionLayer = this.openLayersMap().getLayer(
          "FDREVIEWLAYER"
        );
        fairwaydimensionLayer.setVisible(false);
      }
    }
  },
  methods: {
    close() {
      this.$store.commit("application/showLayers", false);
    },
    refreshLayers() {
      this.$store.commit("application/setCurrentVisibleTime", new Date());
      this.$store.commit("map/startRefreshLayers");
      this.$store.commit("map/startTimeSlide");
      this.$store.commit("gauges/deleteNashSutcliffeCache");
      this.$store.dispatch("map/refreshLayers");
      this.$nextTick(() => {
        this.$store.commit("map/finishRefreshLayers");
        this.$store.commit("map/finishTimeSlide");
      });
    }
  }
};
</script>