(function () {
    'use strict';

    //service that allows the server to notify the client of specific events using SignalR
    var serviceId = 'notifier';
    angular.module('app').factory(serviceId, ['Hub', 'common', '$rootScope', 'userAuth', 'config', notifier]);

    function notifier(Hub, common, $rootScope, userAuth, config) {
        var service = {
            start: start
        };

        return service;

        function start()
        {
            var tokenData = userAuth.getAuthToken();
            if (tokenData) {
                //SignalR Hub setup
                var hub1 = new Hub('notifier', {
                    //these functions are effectively called from the server
                    listeners: {
                        'notificationsChanged': function (numberNotifications) {
                            common.logger.logSuccess("Notification added", null, true);
                            $rootScope.$broadcast('UpdateNotifications', { notificationsNum: numberNotifications });
                        }
                },
                errorHandler: function (error) {
                    console.error(error);
                },
                rootPath: config.myShowcaseSiteUrl,
                useJsonP:true,
                queryParams: { bearer: tokenData.access_token } //send the bearer token with every SignalR request
                });
                
            
            }
        }
    }
})();