/* --------------------------------------------------------------
 sitemap_generator.js 2016-08-22
 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]
 --------------------------------------------------------------
 */

/**
 * ## Sitemap Generator Controller
 *
 * This module will execute the sitemap generation
 *
 * @module Compatibility/sitemap_generator
 */
gx.compatibility.module(
    'sitemap_generator',

    [
        gx.source + '/libs/info_messages',
        'loading_spinner'
    ],

    function (data) {

        'use strict';

        // ------------------------------------------------------------------------
        // VARIABLES 
        // ------------------------------------------------------------------------

        var
            /**
             * Module Selector
             *
             * @type {object}
             */
            $this = $(this),

            /**
             * Loading Spinner Selector
             *
             * @type {object}
             */
            $spinner,

            /**
             * Default Options
             *
             * @type {object}
             */
            defaults = {url: 'gm_sitemap_creator.php'},

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

            /**
             * Reference to the info messages library
             *
             * @type {object}
             */
            messages = jse.libs.info_messages,

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

        // ------------------------------------------------------------------------
        // FUNCTIONS
        // ------------------------------------------------------------------------

        var _createSitemapXml = function () {
            $.ajax({
                url: options.url,
                data: options.params
            })
            // On success
                .done(function (response) {
                    messages.addSuccess(response);
                    jse.libs.loading_spinner.hide($spinner);
                })
                // On Failure
                .fail(function (response) {
                    jse.core.debug.error('Prepare Content Error: ', response);
                });
        };

        var _prepareCategories = function (deferred) {
            var deferred = deferred || $.Deferred();

            $.ajax({
                url: options.url,
                data: {
                    action: 'prepare_categories',
                    page_token: jse.core.config.get('pageToken')
                },
                dataType: 'json'
            })
            // On success
                .done(function (response) {
                    if (response.repeat === true) {
                        _prepareCategories(deferred);
                    } else {
                        deferred.resolve();
                    }
                })
                // On Failure
                .fail(function (response) {
                    jse.core.debug.error('Prepare Categories Error: ', response);
                    deferred.reject();
                });

            return deferred.promise();
        };

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

        module.init = function (done) {
            $this.on('click', function () {
                $spinner = jse.libs.loading_spinner.show($this.parents().eq(2));
                $.when(_prepareCategories()).done(_createSitemapXml);
                $this.blur();
                return false;
            });

            done();
        };

        return module;
    });