/* --------------------------------------------------------------
 emails_toolbar.js 2016-10-11
 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]
 --------------------------------------------------------------
 */

/**
 * ## Emails Toolbar Controller
 *
 * This controller will handle the main toolbar operations of the admin/emails page.
 *
 * @module Controllers/emails_toolbar
 */
gx.controllers.module(
    'emails_toolbar',

    [
        gx.source + '/libs/emails',
        'url_arguments'
    ],

    /** @lends module:Controllers/emails_toolbar */

    function (data) {

        'use strict';

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

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

            /**
             * Modal Selector
             *
             * @type {object}
             */
            $modal = $('#emails-modal'),

            /**
             * Table Selector
             *
             * @type {object}
             */
            $table = $('#emails-table'),

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

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

            /**
             * Module Object
             *
             * @type {object}
             */
            module = {
                model: {
                    settings: jse.core.config.get('appUrl') + '/admin/admin.php?do=Emails/GetEmailSettings'
                }
            };

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

        /**
         * Convert the line breaks to <br> elements.
         *
         * @param {string} text Text to be converted.
         *
         * @return {string} Returns the converted string.
         */
        var _nl2br = function (text) {
            return (text + '').replace(/([^>\r\n]?)(\r\n|\n\r|\r|\n)/g, '$1' + '<br>' + '$2');
        };

        /**
         * Display create new email modal.
         *
         * @param {object} event Contains event information.
         */
        var _onCreateNewEmail = function (event) {
            // Reset modal elements to initial state.
            jse.libs.emails.resetModal($modal);

            // Apply Email Settings to the Email Modal
            if (typeof module.model.settings !== 'undefined' && module.model.settings !== null) {
                // Set the email signature (if not empty). We'll only set the signature to the CKEditor because
                // if the signature contains HTML markup it cannot be sanitized properly for the plain content.
                if (module.model.settings.signature !== null && module.model.settings.signature !== '') {
                    var signatureHtml = '<br><p>-----<br>' + _nl2br(module.model.settings.signature) + '</p>';
                    CKEDITOR.instances['content-html'].setData(signatureHtml);
                    var signaturePlain = '\n\n-----\n' + module.model.settings.signature.replace(/(<([^>]+)>)/gi,
                        '');
                    $modal.find('#content-plain').val(signaturePlain);
                }

                // Disable the HTML content if the shop uses only plain content for the emails.
                if (module.model.settings.useHtml === false) {
                    $modal.find('.content').find('.tab-headline:eq(0), .tab-content:eq(0)').hide();
                    $modal.find('.content').find('.tab-headline:eq(1)').trigger('click');
                }

                // Preload sender and reply to contact data if provided.
                if (typeof module.model.settings.replyAddress !== 'undefined' && module.model.settings.replyAddress !==
                    '') {
                    $modal.find('#sender-email, #reply-to-email').val(module.model.settings.replyAddress);
                }
                if (typeof module.model.settings.replyName !== 'undefined' && module.model.settings.replyName !==
                    '') {
                    $modal.find('#sender-name, #reply-to-name').val(module.model.settings.replyName);
                }
            }

            // Prepare and display new modal window.
            $modal.dialog({
                title: jse.core.lang.translate('new_mail', 'buttons'),
                width: 1000,
                height: 800,
                modal: false,
                dialogClass: 'gx-container',
                closeOnEscape: false,
                buttons: jse.libs.emails.getDefaultModalButtons($modal, $table),
                open: jse.libs.emails.colorizeButtonsForEditMode
            });
        };

        /**
         * Perform search request on the DataTable instance.
         *
         * @param {object} event Contains the event data.
         */
        var _onTableSearchSubmit = function (event) {
            event.preventDefault();
            var keyword = $this.find('#search-keyword').val();
            $table.DataTable().search(keyword).draw();
        };

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

        /**
         * Initialize method of the module, called by the engine.
         */
        module.init = function (done) {
            // Set default "#bulk-action" value.
            $this.find('#bulk-action').val('');

            // Bind Event Handlers
            $this
                .on('click', '#create-new-email', _onCreateNewEmail)
                .on('submit', '#quick-search', _onTableSearchSubmit);

            // Check if the "mail_to" parameter is present and process its value within the new email modal layer.
            var getParameters = jse.libs.url_arguments.getUrlParameters();
            if (typeof getParameters.mailto !== 'undefined') {
                _onCreateNewEmail({}); // Display the new email modal.
                $modal.find('#recipient-email').val(getParameters.mailto);
            }

            done();
        };

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