(function () {
    var ns = $.namespace("pskl.controller");
  
    ns.SettingsController = function () {};

    /**
     * Get state for the checkbox that control the display of the grid
     * on the drawing canvas.
     * @private
     */
    ns.SettingsController.prototype.isShowGridChecked_ = function() {
        var showGridCheckbox = $('#show-grid');
        var isChecked = showGridCheckbox.is(':checked');
        return isChecked;
    };

    // TODO(vincz): add get/set store

    /**
     * @public
     */
    ns.SettingsController.prototype.init = function() {

        // Expand drawer when clicking 'Settings' tab.
        $('#settings').click(function(evt) {
            $('.right-sticky-section').toggleClass('expanded');
            $('#settings').toggleClass('has-expanded-drawer');
        });

        // Show/hide the grid on drawing canvas:
        $.publish(Events.GRID_DISPLAY_STATE_CHANGED, [this.isShowGridChecked_()]);
        $('#show-grid').change($.proxy(function(evt) {
            var checked = this.isShowGridChecked_();
            $.publish(Events.GRID_DISPLAY_STATE_CHANGED, [checked]);
        }, this));

        // Handle canvas background changes:
        $('#canvas-picker').change(function(evt) {
          $('#canvas-picker option:selected').each(function() {
            console.log($(this).val());
            $('html')[0].className = $(this).val();
          });
        });
    };
})();