//= require swfobject

$(document).ready(function () {
  window.changesaved = true;

  window.markChanged = function (saved) {
    window.changesaved = saved;
  }

  $(window).on("beforeunload", function() {
    if (!window.changesaved) {
      return I18n.t("site.edit.potlatch2_unsaved_changes");
    }
  });

  window.mapMoved = $.throttle(250, function(lon, lat, zoom) {
    var hash = OSM.formatHash({ lon: lon, lat: lat, zoom: zoom });

    if (hash !== location.hash) {
      location.replace(hash);
    }

    updateLinks({ lon: lon, lat: lat }, zoom);
  });

  var potlatch = $("#potlatch"),
      urlparams = OSM.params(),
      potlatch_swf = <%= asset_path("potlatch2.swf").to_json %>,
      install_swf = <%= asset_path("expressInstall.swf").to_json %>,
      flashvars = {},
      params = {};
      attributes = {};

  if (potlatch.data("lat") && potlatch.data("lon")) {
    flashvars.lat = potlatch.data("lat");
    flashvars.lon = potlatch.data("lon");
    flashvars.zoom = potlatch.data("zoom");
  } else {
    var mapParams = OSM.mapParams();

    flashvars.lat = mapParams.lat;
    flashvars.lon = mapParams.lon;
    flashvars.zoom = mapParams.zoom || 17;
  }
  
  if (potlatch.data("token")) {
    flashvars.oauth_token = potlatch.data("token");
    flashvars.oauth_token_secret = potlatch.data("token-secret");
    flashvars.oauth_consumer_key = potlatch.data("consumer-key");
    flashvars.oauth_consumer_secret = potlatch.data("consumer-secret");
  } else {
    alert(I18n.t("site.edit.potlatch2_not_configured"));
  }

  flashvars.assets = <%= asset_path("potlatch2/assets.zip").to_json %>;
  flashvars.font_library = <%= asset_path("potlatch2/FontLibrary.swf").to_json %>;
  flashvars.locale = potlatch.data("locale");
  flashvars.locale_paths = potlatch.data("locale") + "=" + potlatch.data("locale-path");
  flashvars.intro_image = <%= asset_path("help/introduction.jpg").to_json %>;
  flashvars.intro_video = <%= asset_path("help/introduction.mp4").to_json %>;
  if (urlparams.gpx) flashvars.gpx = urlparams.gpx;
  if (urlparams.tileurl) flashvars.tileurl = urlparams.tileurl;
  flashvars.api = location.protocol + "//" + location.host + "/api/" + OSM.API_VERSION + "/";
  flashvars.policy = location.protocol + "//" + location.host + "/api/crossdomain.xml";
  flashvars.connection = "XML";
  flashvars.show_help = "once";
  flashvars.user_check = "warn";
  flashvars.maximise_function = "maximiseMap";
  flashvars.minimise_function = "minimiseMap";
  flashvars.move_function = "mapMoved";

  params.base = "/potlatch2";

  attributes.id = "potlatch";
  attributes.bgcolor = "#FFFFFF";

  swfobject.embedSWF(potlatch_swf, "potlatch", "100%", "100%", "10.1.102",
                     install_swf, flashvars, params, attributes);

  if (flashvars.lat && flashvars.lon) {
    updateLinks({ lon: flashvars.lon, lat: flashvars.lat }, flashvars.scale);
  }
});