/* --------------------------------------------------------------
 lightbox.js 2016-02-23
 Gambio GmbH
 http://www.gambio.de
 Copyright (c) 2016 Gambio GmbH
 Released under the GNU General Public License (Version 2)
 [http://www.gnu.org/licenses/gpl-2.0.html]
 --------------------------------------------------------------
 */

/**
 * ## Lightbox Widget
 *
 * Widget to easily configure and open lightboxes.
 *
 * Lightbox Project Website: {@link http://lokeshdhakar.com/projects/lightbox2}
 *
 * **Notice:** This widget is used by some old pages. The use of lightboxes in new pages is not suggested and
 * instead you should use the Bootstrap modals.
 *
 * @module Admin/Widgets/lightbox
 * @requires Lightbox-Library
 * @ignore
 */
gx.widgets.module(
    'lightbox',

    ['fallback'],

    function (data) {

        'use strict';

        // ------------------------------------------------------------------------
        // VARIABLE DEFINITION
        // ------------------------------------------------------------------------

        var
            /**
             * Widget Reference
             *
             * @type {object}
             */
            $this = $(this),

            /**
             * Default Options for Widget
             *
             * @type {object}
             */
            defaults = {},

            /**
             * Final Widget Options
             *
             * @type {object}
             */
            options = $.extend(true, {}, defaults, data),

            /**
             * Module Object
             *
             * @type {object}
             */
            module = {};

        // ------------------------------------------------------------------------
        // EVENT HANDLERS
        // ------------------------------------------------------------------------

        /**
         * Click handler that opens the lightbox and initializes the default behavior.
         *
         * @param {object} event jQuery-event-object
         */
        var _clickHandler = function (event) {
            event.preventDefault();
            event.stopPropagation();

            var $self = $(this),
                dataset = jse.libs.fallback._data($self, 'lightbox'),
                settingDataSet = {},
                paramDataSet = {};

            $.each(dataset, function (key, value) {
                if (key.indexOf('setting') === 0) {
                    settingDataSet[key.replace('setting_', '')] = value;
                } else {
                    paramDataSet[key.replace('param_', '')] = value;
                }
            });

            $self.lightbox_plugin(settingDataSet, paramDataSet);
        };

        // ------------------------------------------------------------------------
        // INITIALIZATION
        // ------------------------------------------------------------------------

        /**
         * Initialize method of the widget, called by the engine.
         */
        module.init = function (done) {
            jse.core.debug.warn('The "lightbox" widget is deprecated as of v1.3. Use the jQueryUI dialog '
                + 'method instead.');

            $this.on('click', '.open_lightbox', _clickHandler);
            done();
        };

        // Return data to module engine.
        return module;
    });