/* ----------------------------------------------------------------------------
 * 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';

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

    /**
     * Get the settings data for the user settings.
     *
     * @returns {Object} Returns the user settings array.
     */
    UserSettings.prototype.get = function() {
        var user = {
            id: $('#user-id').val(),
            first_name: $('#first-name').val(),
            last_name: $('#last-name').val(),
            email: $('#email').val(),
            mobile_number: $('#mobile-number').val(),
            phone_number: $('#phone-number').val(),
            address: $('#address').val(),
            city: $('#city').val(),
            state: $('#state').val(),
            zip_code: $('#zip-code').val(),
            notes: $('#notes').val(),
            settings: {
                username: $('#username').val(),
                notifications: $('#user-notifications').hasClass('active'),
                calendar_view: $('#calendar-view').val()
            }
        };

        if ($('#password').val() != '') {
            user.settings.password = $('#password').val();
        }

        return user;
    };

    /**
     * Store the user settings into the database.
     *
     * @param {Array} settings Contains the user settings.
     */
    UserSettings.prototype.save = function(settings) {
        if (!this.validate(settings)) {
            Backend.displayNotification(EALang['user_settings_are_invalid']);
            return; // Validation failed, do not procceed.
        }

        var postUrl = GlobalVariables.baseUrl + '/index.php/backend_api/ajax_save_settings';
        var postData = {
            csrfToken: GlobalVariables.csrfToken,
            type: BackendSettings.SETTINGS_USER,
            settings: JSON.stringify(settings)
        };

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

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

            // Update footer greetings.
            $('#footer-user-display-name').text('Hello, ' + $('#first-name').val() + ' ' + $('#last-name').val() + '!');

        }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
    };

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

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

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

            // Validate passwords (if provided).
            if ($('#password').val() != $('#retype-password').val()) {
                $('#password, #retype-password').css('border', '2px solid red');
                throw EALang['passwords_mismatch'];
            }

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

            if ($('#username').attr('already-exists') === 'true') {
                $('#username').css('border', '2px solid red');
                throw EALang['username_already_exists'];
            }

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

    window.UserSettings = UserSettings;

})();