whitef0x0/tellform

(function () {
    'use strict';

    // Create the Socket.io wrapper service
    function Socket($timeout, $window) {

        var service = {
            socket: null
        };

        // Connect to TellForm Socket.io server
        function connect() {
            var url = '';
            if($window.socketUrl && $window.socketPort){
                url = window.location.protocol + '//' + $window.socketUrl + ':' + $window.socketPort;
            } else if ($window.socketUrl){
                url = window.location.protocol + '//' + $window.socketUrl;
            } else if ($window.socketPort){
                url = window.location.protocol + '//' + window.location.hostname + ':' + $window.socketPort;
            } else {
                url = window.location.protocol + '//' + window.location.hostname;
            }
            service.socket = io(url, {'transports': ['websocket', 'polling']});
        }

        // Wrap the Socket.io 'emit' method
        function emit(eventName, data) {
            if (service.socket) {
                service.socket.emit(eventName, data);
            }
        }

        // Wrap the Socket.io 'on' method
        function on(eventName, callback) {
            if (service.socket) {
                service.socket.on(eventName, function (data) {
                    $timeout(function () {
                        callback(data);
                    });
                });
            }
        }

        // Wrap the Socket.io 'removeListener' method
        function removeListener(eventName) {
            if (service.socket) {
                service.socket.removeListener(eventName);
            }
        }

        connect();

        service = {
            connect: connect,
            emit: emit,
            on: on,
            removeListener: removeListener,
            socket: null
        };

        return service;
    }

    angular
        .module('view-form')
        .factory('Socket', Socket);

    Socket.$inject = ['$timeout', '$window'];

}());