/* ----------------------------------------------------------------------------
 * Easy!Appointments - Open Source Web Scheduler
 *
 * @package     EasyAppointments
 * @author      A.Tselegidis <alextselegidis@gmail.com>
 * @copyright   Copyright (c) 2013 - 2016, Alex Tselegidis
 * @license     http://opensource.org/licenses/GPL-3.0 - GPLv3
 * @link        http://easyappointments.org
 * @since       v1.0.0
 * ---------------------------------------------------------------------------- */

(function() {

    'use strict';

    /**
     * "System Settings" Tab Helper Class
     *
     * @class SystemSettings
     */
    var SystemSettings = function() {};

    /**
     * Save the system settings.
     *
     * This method is run after changes are detected on the tab input fields.
     *
     * @param {Array} settings Contains the system settings data.
     */
    SystemSettings.prototype.save = function(settings) {
        var postUrl = GlobalVariables.baseUrl + '/index.php/backend_api/ajax_save_settings';
        var postData = {
            csrfToken: GlobalVariables.csrfToken,
            settings: JSON.stringify(settings),
            type: BackendSettings.SETTINGS_SYSTEM
        };

        $.post(postUrl, postData, function(response) {
            if (!GeneralFunctions.handleAjaxExceptions(response)) {
                return;
            }

            Backend.displayNotification(EALang['settings_saved']);

            // Update the logo title on the header.
            $('#header-logo span').text($('#company-name').val());

            // We need to refresh the working plan.
            var workingPlan = BackendSettings.wp.get();
            $('.breaks tbody').empty();
            BackendSettings.wp.setup(workingPlan);
            BackendSettings.wp.timepickers(false);
        }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
    };

    /**
     * Prepare the system settings array.
     *
     * This method uses the DOM elements of the backend/settings page, so it can't be used in another page.
     *
     * @return {Array} Returns the system settings array.
     */
    SystemSettings.prototype.get = function() {
        var settings = [];

        // General Settings Tab
        $('#general').find('input, select').each(function() {
            settings.push({
                name: $(this).attr('data-field'),
                value: $(this).val()
            });
        });

        settings.push({
            name: 'customer_notifications',
            value: $('#customer-notifications').hasClass('active') === true ? '1' : '0'
        });

        settings.push({
            name: 'require_captcha',
            value: $('#require-captcha').hasClass('active') === true ? '1' : '0'
        });

        // Business Logic Tab
        settings.push({
            name: 'company_working_plan',
            value: JSON.stringify(BackendSettings.wp.get())
        });

        settings.push({
            name: 'book_advance_timeout',
            value: $('#book-advance-timeout').val()
        });

        return settings;
    };

    /**
     * Validate the settings data.
     *
     * If the validation fails then display a message to the user.
     *
     * @return {Boolean} Returns the validation result.
     */
    SystemSettings.prototype.validate = function() {
        $('#general .required').css('border', '');

        try {
            // Validate required fields.
            var missingRequired = false;
            $('#general .required').each(function() {
                if ($(this).val() == '' || $(this).val() == undefined) {
                    $(this).css('border', '2px solid red');
                    missingRequired = true;
                }
            });

            if (missingRequired) {
                throw EALang['fields_are_required'];
            }

            // Validate company email address.
            if (!GeneralFunctions.validateEmail($('#company-email').val())) {
                $('#company-email').css('border', '2px solid red');
                throw EALang['invalid_email'];
            }

            return true;
        } catch(exc) {
            Backend.displayNotification(exc);
            return false;
        }
    };

    window.SystemSettings = SystemSettings;
})();