$(document).ready(function () {
  var params = OSM.params();

  if (params.lat && params.lon) {
    params.lat = parseFloat(params.lat);
    params.lon = parseFloat(params.lon);
    params.zoom = params.zoom || 17;

    var url = "/edit";

    if (params.editor) {
      url += "?editor=" + params.editor;
    }

    url += OSM.formatHash(params);

    $(".start-mapping").attr("href", url);
  } else {
    var geoSuccess = function (position) {
      window.location = "/edit" + OSM.formatHash({
        zoom: 17,
        lat: position.coords.latitude,
        lon: position.coords.longitude
      });
    };

    $(".start-mapping").on("click", function (e) {
      e.preventDefault();
      $(".start-mapping").addClass("loading");

      if (navigator.geolocation) {
        // handle firefox's weird implementation
        // https://bugzilla.mozilla.org/show_bug.cgi?id=675533
        window.setTimeout(manualEdit, 4000);

        navigator.geolocation.getCurrentPosition(geoSuccess, manualEdit);
      } else {
        manualEdit();
      }
    });
  }

  function manualEdit() {
    window.location = "/?edit_help=1";
  }
});