"use strict";
/**
 * Created by igor.samulenko on 4/18/2014.
 */
(function () {
    'use strict';
    angular.module('l10nModule')
        .factory('l10nModel', ['l10nService', '$log', '$q', function (l10nService, $log, $q) {
            var l10nModel = {
                localizedMessagesDictionary: {},
                messagesLoaded: false,
                messageLoadPending: false
            };
            /**
             * Public functions
             */
            /**
             * Get localized message by id
             *
             * @param {String} messageId
             * @returns {String} localized message
             */
            l10nModel.getLocalizedMessage = function (messageId) {
                return l10nModel.localizedMessagesDictionary[messageId];
            };
            /**
             * Load system messages.
             * @returns {*}
             */
            l10nModel.loadSystemMessages = function () {
                if (l10nModel.messagesLoaded || l10nModel.messageLoadPending) {
                    return $q.when(1);
                }
                if (!l10nModel.messageLoadPending) {
                    l10nModel.messageLoadPending = true;
                }
                var params = {
                    messageType: LocalizedMessageVO.prototype.SOCIAL_MESSAGE,
                    locale: window.myitsmLocale
                };
                return l10nModel.loadMessages(params);
            };
            /**
             * Load localized messages.
             *
             * @param {Object} params
             * @returns {*} HTTP request promise
             */
            l10nModel.loadMessages = function (params) {
                var promise = l10nService.getMessages(params).$promise;
                promise
                    .then(processMessages)
                    .catch(function () {
                    $log.error('Error getting localized messages.');
                });
                return promise;
            };
            /**
             * Private functions
             */
            /**
             * Process message list data from server.
             *
             * @param {Array} data
             */
            function processMessages(data) {
                //$log.debug("Processing localized message data:");
                //$log.debug(data);
                var items = data[0].items || [];
                if (!items.length) {
                    $log.warn('Localized messages data returned from server is empty or malformed');
                }
                l10nModel.localizedMessages = items.map(parseLocalizedMessage);
                l10nModel.localizedMessagesDictionary = _.indexBy(l10nModel.localizedMessages, 'messageId');
                l10nModel.messagesLoaded = true;
            }
            /**
             * Transform raw data into localized message item.
             *
             * @param {Object} data
             * @returns {LocalizedMessageVO} localized message item
             */
            function parseLocalizedMessage(data) {
                return new LocalizedMessageVO().build(data);
            }
            return l10nModel;
        }]);
})();