//= depend_on settings.yml
//= depend_on settings.local.yml
//= require leaflet/dist/leaflet-src
//= require leaflet.osm
//= require i18n
//= require i18n/embed

if (navigator.languages) {
  I18n.locale = navigator.languages[0];
} else if (navigator.language) {
  I18n.locale = navigator.language;
}

I18n.default_locale = <%= I18n.default_locale.to_json %>;
I18n.fallbacks = true;

window.onload = function () {
  var query = (window.location.search || "?").slice(1),
      args = {};

  var pairs = query.split("&");
  for (var i = 0; i < pairs.length; i++) {
    var parts = pairs[i].split("=");
    args[parts[0]] = decodeURIComponent(parts[1] || "");
  }

  var mapnikOptions = {
<% if Settings.key?(:tile_cdn_url) %>
    url: <%= Settings.tile_cdn_url.to_json %>
<% end %>
  };

  var thunderforestOptions = {
<% if Settings.key?(:thunderforest_key) %>
    apikey: <%= Settings.thunderforest_key.to_json %>
<% end %>
  };

  var map = L.map("map");
  map.attributionControl.setPrefix("");
  map.removeControl(map.attributionControl);

  if (args.layer === "cyclosm") {
    new L.OSM.CyclOSM().addTo(map);
  } else if (args.layer === "cyclemap" || args.layer === "cycle map") {
    new L.OSM.CycleMap(thunderforestOptions).addTo(map);
  } else if (args.layer === "transportmap") {
    new L.OSM.TransportMap(thunderforestOptions).addTo(map);
  } else if (args.layer === "hot") {
    new L.OSM.HOT().addTo(map);
  } else {
    new L.OSM.Mapnik(mapnikOptions).addTo(map);
  }

  if (args.marker) {
    L.marker(args.marker.split(","), { icon: L.icon({
      iconUrl: <%= asset_path('leaflet/dist/images/marker-icon.png').to_json %>,
      iconSize: new L.Point(25, 41),
      iconAnchor: new L.Point(12, 41),
      shadowUrl: <%= asset_path('leaflet/dist/images/marker-shadow.png').to_json %>,
      shadowSize: new L.Point(41, 41)
    }) }).addTo(map);
  }

  if (args.bbox) {
    var bbox = args.bbox.split(",");
    map.fitBounds([
      L.latLng(bbox[1], bbox[0]),
      L.latLng(bbox[3], bbox[2])
    ]);
  } else {
    map.fitWorld();
  }

  map.addControl(new L.Control.OSMReportAProblem());
};

L.Control.OSMReportAProblem = L.Control.Attribution.extend({
  options: {
    position: "bottomright",
    prefix: "<a href=\"https://www.openstreetmap.org/fixthemap?lat={x}&lon={y}&zoom={z}\" target=\"_blank\">" + I18n.t("javascripts.embed.report_problem") + "</a>"
  },

  onAdd: function (map) {
    var container = L.Control.Attribution.prototype.onAdd.call(this, map);

    map.on("moveend", this._update, this);

    return container;
  },

  _update: function () {
    L.Control.Attribution.prototype._update.call(this);

    this._container.innerHTML =
      this._container.innerHTML
        .replace("{x}", this._map.getCenter().lat)
        .replace("{y}", this._map.getCenter().lng)
        .replace("{z}", this._map.getZoom());
  }
});