/*
 * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
(function () {
    'use strict';

    Ext.define('Traccar.view.LoginController', {
        extend: 'Ext.app.ViewController',
        alias: 'controller.login',

        requires: [
            'Traccar.view.Register'
        ],

        init: function () {
            this.lookupReference('registerButton').setDisabled(
                !Traccar.app.getServer().get('registration'));
            this.lookupReference('languageField').setValue(language);
        },

        login: function () {
            var form = this.lookupReference('form');
            if (form.isValid()) {
                Ext.getBody().mask(Strings.sharedLoading);
                Ext.Ajax.request({
                    scope: this,
                    url: '/api/login',
                    params: form.getValues(),
                    callback: function (options, success, response) {
                        Ext.getBody().unmask();
                        if (Traccar.ErrorManager.check(success, response)) {
                            var result = Ext.decode(response.responseText);
                            if (result.success) {
                                Traccar.app.setUser(result.data);
                                this.fireViewEvent('login');
                            } else {
                                Traccar.ErrorManager.error(Strings.loginFailed);
                            }
                        }

                    }
                });
            }
        },

        logout: function () {
            Ext.Ajax.request({
                scope: this,
                url: '/api/logout',
                callback: function () {
                    window.location.reload();
                }
            });
        },

        onSelectLanguage: function (selected) {
            var paramName = 'locale';
            var paramValue = selected.getValue();
            var url = window.location.href;
            if (url.indexOf(paramName + '=') >= 0) {
                var prefix = url.substring(0, url.indexOf(paramName));
                var suffix = url.substring(url.indexOf(paramName));
                suffix = suffix.substring(suffix.indexOf('=') + 1);
                suffix = (suffix.indexOf('&') >= 0) ? suffix.substring(suffix.indexOf('&')) : '';
                url = prefix + paramName + '=' + paramValue + suffix;
            } else {
                if (url.indexOf('?') < 0) {
                    url += '?' + paramName + '=' + paramValue;
                } else {
                    url += '&' + paramName + '=' + paramValue;
                }
            }
            window.location.href = url;
        },

        onAfterRender: function (field) {
            field.focus();
        },

        onSpecialKey: function (field, e) {
            if (e.getKey() === e.ENTER) {
                this.login();
            }
        },

        onLoginClick: function () {
            Ext.getElementById('submitButton').click();
            this.login();
        },

        onRegisterClick: function () {
            Ext.create('Traccar.view.login.Register').show();
        }
    });

})();