<!DOCTYPE html>
<html>
  <head>
    <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.4.0/leaflet.js"></script>
    <script src="https://cdn.maptiler.com/mapbox-gl-js/v1.5.1/mapbox-gl.js"></script>
    <script src="https://cdn.maptiler.com/mapbox-gl-leaflet/latest/leaflet-mapbox-gl.js"></script>
    <script src="leaflet-kml/L.KML.js"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.0.3/leaflet.css" />
    <link rel="stylesheet" href="https://cdn.maptiler.com/mapbox-gl-js/v1.5.1/mapbox-gl.css" />
    <style>
      #map {position: absolute; top: 0; right: 0; bottom: 0; left: 0;}
    </style>
  </head>
  <body>
    <div id="map"></div>
    <p><a href="https://www.maptiler.com/copyright/" target="_blank">© MapTiler</a> <a href="https://www.openstreetmap.org/copyright" target="_blank">© OpenStreetMap contributors</a></p>
    <script>
      var chinagreen;
      var shadowrun;
      var ours;
      var map = L.map('map').setView([47.63,-122.33], 10);
      var gl = L.mapboxGL({
        attribution: "\u003ca href=\"https://www.maptiler.com/copyright/\" target=\"_blank\"\u003e\u0026copy; MapTiler\u003c/a\u003e \u003ca href=\"https://www.openstreetmap.org/copyright\" target=\"_blank\"\u003e\u0026copy; OpenStreetMap contributors\u003c/a\u003e",
        style: 'https://api.maptiler.com/maps/hybrid/style.json?key=PVp0f0cBGCyXeWLnAp9e'
      }).addTo(map);
      fetch('shadowrun.kml')
         .then(res => res.text())
         .then(kmltext => {
            // Create new kml overlay
            const parser = new DOMParser();
            const kml = parser.parseFromString(kmltext, 'text/xml');
            shadowrun = new L.KML(kml);
            map.addLayer(shadowrun);
         });
      fetch('chinagreen.kml')
         .then(res => res.text())
         .then(kmltext => {
            // Create new kml overlay
            const parser = new DOMParser();
            const kml = parser.parseFromString(kmltext, 'text/xml');
            chinagreen = new L.KML(kml);
            map.addLayer(chinagreen);
         });
      fetch('ours.kml')
         .then(res => res.text())
         .then(kmltext => {
            // Create new kml overlay
            const parser = new DOMParser();
            const kml = parser.parseFromString(kmltext, 'text/xml');
            ours = new L.KML(kml);
            map.addLayer(ours);
         });
    var chinagreenswitcher = L.control({position: 'topleft'});

    chinagreenswitcher.onAdd = function (map) {
        var div = L.DomUtil.create('div', 'chinagreen');
        div.innerHTML = '<form><input id="chinagreenswitcher" type="checkbox" checked />Toggle District Info</form>'; 
        return div;
    };

    chinagreenswitcher.addTo(map);
    document.getElementById ("chinagreenswitcher").addEventListener ("click", toggleChinaGreen, false);

    var shadowrunswitcher = L.control({position: 'topleft'});

    shadowrunswitcher.onAdd = function (map) {
        var div = L.DomUtil.create('div', 'shadowrun');
        div.innerHTML = '<form><input id="shadowrunswitcher" type="checkbox" checked />Toggle Security Zones</form>'; 
        return div;
    };

    shadowrunswitcher.addTo(map);
    document.getElementById ("shadowrunswitcher").addEventListener ("click", toggleShadowrun, false);

    var oursswitcher = L.control({position: 'topleft'});
    oursswitcher.onAdd = function (map) {
        var div = L.DomUtil.create('div', 'ours');
        div.innerHTML = '<form><input id="oursswitcher" type="checkbox" checked />Toggle Campaign Specific</form>'; 
        return div;
    };

    oursswitcher.addTo(map);
    document.getElementById ("oursswitcher").addEventListener ("click", toggleOurs, false);

    function toggleChinaGreen() {
       if(this.checked){
          map.addLayer(chinagreen);
       }else{
          map.removeLayer(chinagreen);
       }
    }
    function toggleShadowrun() {
       if(this.checked){
          map.addLayer(shadowrun);
       }else{
          map.removeLayer(shadowrun);
       }
    }
    function toggleOurs() {
       if(this.checked){
          map.addLayer(ours);
       }else{
          map.removeLayer(ours);
       }
    }
    </script>
  </body>
</html>