/**
 * Chat service.
 *
 * @return {Object}
 *         {Function} .on Binds to socket.io `on`
 *         {Function} .emit Binds to socket.io `emit`
 *         {Function} .say Sends a message to the room.
 *         {Function} .reconnect A socket utlility to reconnect when connection is lost.
 */
const chat = function (cookie) {
    var socket;

    var chat = {
        connect: function () {
            connect();

            this.on = _.bind(socket.on, socket);

            this.emit = _.bind(socket.emit, socket);

            this.say = function (msg, room) {
                console.log('Sending message');
                chat.emit('chat', {room: room, msg: msg, timestamp: new Date()});
            };
        },
    };


    function connect() {
        socket = io(window.SITEURL, { path: '/chat/socket.io', forceNew: true });

        socket.on('connect', function () {
            socket.emit('set-user');
        });

        socket.on('set-user-ok', function () {
            socket.emit('join-room', 'global');
        });

        socket.on('set-guest-ok', function () {
            socket.emit('join-room-as-guest', 'global');
        });

        socket.on('join-room-ok', function () {
            socket.emit('recent-chats', 'global');
        });
    }

    return chat;
};

chat.$inject = ['cookie'];

export default chat;