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<?php

declare(strict_types=1);

use Fisharebest\Webtrees\I18N;

/**
 * @var array<mixed> $data
 * @var object       $leaflet_config
 */

?>

<div class="row gx-1 wt-places-tab-wrapper wt-fullscreen-container">
    <div class="col-sm-9">
        <div id="wt-map" class="wt-ajax-load wt-map" dir="ltr"></div>
    </div>
    <div class="col-sm-3">
        <ul class="wt-map-sidebar list-unstyled mb-0"></ul>
    </div>
</div>

<script>
  'use strict';

  (function () {
    const config = <?= json_encode($leaflet_config, JSON_THROW_ON_ERROR) ?>;

    let map = null;
    const sidebar = document.querySelector('.wt-map-sidebar');

    const scrollOptions = {
      behavior: "smooth",
      block: "nearest",
      inline: "start"
    };

    // Map components
    let markers = L.markerClusterGroup({
        showCoverageOnHover: false,
    });

    /**
     * Passed to resetControl to
     * perform necessary reset actions on map
     *
     * @param {Event} event
     */
    let resetCallback = function (event) {
      event.preventDefault();
      map.flyToBounds(markers.getBounds(), {padding: [50, 30], maxZoom: 15 });
    }

    /**
     *
     * @private
     */
    let _drawMap = function() {
      map = webtrees.buildLeafletJsMap('wt-map', config, resetCallback);
    };

    /**
     *
     * @private
     */
    let _buildMapData = function() {
      let data = <?= json_encode($data, JSON_THROW_ON_ERROR) ?>;

      if (data.features.length === 0) {
        map.fitWorld();
        sidebar.innerHTML = '<div class="bg-info text-white text-center">' + <?= json_encode(I18N::translate('Nothing to show'), JSON_THROW_ON_ERROR) ?> + '</div>';
      } else {
        sidebar.innerHTML = '';
        let geoJsonLayer = L.geoJson(data, {
          pointToLayer: function(feature, latlng) {
            return new L.Marker(latlng, {
              icon: L.BeautifyIcon.icon({
                icon           : feature.properties.icon["name"],
                borderColor    : "transparent",
                backgroundColor: feature.properties.icon["color"],
                iconShape      : "marker",
                textColor      : "white",
              }),
              title: feature.properties.tooltip,
              id   : feature.id,
            })
            .on("popupopen", function(e) {
              let item = document.querySelector('.wt-places-tab-wrapper [data-wt-feature-id="' + e.target.feature.id + '"]');
              item.classList.add('messagebox');
              item.scrollIntoView(scrollOptions);
            })
            .on("popupclose", function() {
              sidebar.childNodes.forEach(e => e.classList.remove('messagebox'));
            });
          },
          onEachFeature: function(feature, layer) {
              layer.bindPopup(feature.properties.summary);
              sidebar.innerHTML += `<li class="mb-1 wt-page-options-value" data-wt-feature-id=${feature.id}>${feature.properties.summary}</li>`;
          },
        });
        markers.addLayer(geoJsonLayer);
        map.addLayer(markers);
        map.fitBounds(markers.getBounds(), {padding: [50, 30], maxZoom: 15});
      }
    };

    // Can't use window.onload here. seems to be because of AJAX loading
    const _loadListeners = function() {
      // Activate marker popup when sidebar entry clicked
      sidebar.querySelectorAll('.wt-places-tab-wrapper [data-wt-feature-id]').forEach((element) => {
        const eventId = parseInt(element.dataset.wtFeatureId);

        element.addEventListener('click', () => {
          // first close any existing
          map.closePopup();
          //find the marker corresponding to the clicked event
          const mkrLayer = markers.getLayers().filter(function (v) {
            return v.feature !== undefined && v.feature.id === eventId;
          });

          let mkr = mkrLayer.pop();

          markers.zoomToShowLayer(mkr, function (e) {
            mkr.openPopup();
          });
        });

        // stop click on a person also opening the popup
        element.querySelectorAll('a').forEach((el) => {
          el.addEventListener('click', (e) => {
            e.stopPropagation();
          });
        });
      });
    };

    _drawMap();
    _buildMapData();
    _loadListeners();
  })();
</script>