define('pgadmin.settings', [
  'jquery', 'pgadmin.alertifyjs', 'sources/pgadmin',
  'sources/gettext', 'sources/url_for', 'pgadmin.backform',
], function($, Alertify, pgAdmin, gettext, url_for) {

  // This defines the Preference/Options Dialog for pgAdmin IV.
  pgAdmin = pgAdmin || window.pgAdmin || {};

  /*
   * Hmm... this module is already been initialized, we can refer to the old
   * object from here.
   */
  if (pgAdmin.Settings)
    return pgAdmin.Settings;

  pgAdmin.Settings = {
    init: function() {
      if (this.initialized)
        return;

      this.initialized = true;
    },
    // We will force unload method to not to save current layout
    // and reload the window
    show: function() {
      Alertify.confirm(gettext('Reset layout'),
        gettext('Are you sure you want to reset the current layout? This will cause the application to reload and any un-saved data will be lost.'),
        function() {
          var reloadingIndicator = $('<div id="reloading-indicator"></div>');
          $('body').append(reloadingIndicator);
          // Delete the record from database as well, then only reload page
          $.ajax({
            url: url_for('settings.reset_layout'),
            type: 'DELETE',
            async: false,
            success: function() {
              // Prevent saving layout on server for next page reload.
              $(window).unbind('unload');
              window.onbeforeunload = null;
              // Now reload page
              location.reload(true);
            },
            error: function() {
              console.warn(
                'Something went wrong on server while resetting layout.'
              );
            },
          });

        },
        function() {
          // Do nothing as user canceled the operation.
        }
      );
    },
  };

  return pgAdmin.Settings;
});