/lib/game_server.js

/*jshint node: true */
var socketio = require('socket.io'),
    usernames = [];


exports.listen = function (server, game) {
  "use strict";
var map = [],
     io = socketio.listen(server);


    io.sockets.on('connection', function (socket) {
	
            handleClientAddUser(socket);
            handleClientSendChat(socket);
            handleClientNewGame(socket);
            handleClientSwitchRoom(socket);
            handleClientDisconnection(socket);
			game.socket(map, socket, io);
			socket.on('keep-alive', function () { socket.emit('keep-alive', null); });
        });
		
		
    //do??czenie nowego klienta do Lobby, przypisanie nazwy u?ytkownika

    function handleClientAddUser(socket) {
        socket.on('addUser', function (username) {
                if (usernames.indexOf(username) > -1) {
                    usernames.push(username = assignName(username, 1));
                }
                else {
                    usernames.push(username);
                }
                socket.username = username;
                socket.set('username', username);
                socket.join('Lobby');
                socket.room = 'Lobby';
                socket.broadcast.to(socket.room).emit('updateChat', 'SERVER', username + ' has connected');
                socket.emit('updateRooms', getRooms(), socket.room);
                io.sockets.to(socket.room).emit('updateUsers', getUsers(socket.room));
            });
    }

	
    //wysy?anie wiadomo?ci

    function handleClientSendChat(socket) {
        socket.on('sendChat', function (data) {
                io.sockets. in (socket.room).emit('updateChat', socket.username, data);
            });
    }
	
    //tworzenie nowej gry
	
    function handleClientNewGame(socket) {
        socket.on('newGame', function () {
		if(socket.room === 'Lobby'){
                socket.leave(socket.room);
                io.sockets.to(socket.room).emit('updateUsers', getUsers(socket.room));
                socket.room = socket.username;
                socket.join(socket.room);
                io.sockets.to(socket.room).emit('updateUsers', getUsers(socket.room));
                socket.broadcast.to(socket.room).emit('updateChat', 'SERVER', socket.username + ' stworzy? now? gr?');
                socket.room = socket.username;
                socket.broadcast.to('Lobby').emit('updateRooms', getRooms(), 'Lobby');
                game.game(map, socket, io);
                socket.emit('updateChat', 'SERVER', 'Stworzono now? gr?');
                socket.emit('updateRooms', getRooms(), socket.username);
				}
            });
    }
    //do??cznie do gry lub powrót do Lobby

    function handleClientSwitchRoom(socket) {
        socket.on('switchRoom', function (newroom) {
			if(newroom === 'Lobby'){
			socket.stopinterval = 1;
				socket.broadcast.to(socket.room).emit('backToLobby');
                socket.emit('exitRoom');
                socket.leave(socket.room);
                io.sockets. in (socket.room).emit('updateUsers', getUsers(socket.room));
                socket.join(newroom);
                io.sockets. in (socket.room).emit('updateRooms', getRooms(), socket.room); 
                socket.broadcast.to(socket.room).emit('updatechat', 'SERVER', socket.username + ' has left this room');
                socket.room = newroom;
				socket.emit('updateChat', 'SERVER', 'you have connected to ' + newroom);
                io.sockets.to(socket.room).emit('updateUsers', getUsers(socket.room));
                socket.broadcast.to(newroom).emit('updateChat', 'SERVER', socket.username + ' has joined this room');
                io.sockets. in (newroom).emit('updateRooms', getRooms(), newroom);

				
			}
			else{
					if (io.sockets.manager.rooms['/' + newroom].length < 2){
				
                socket.leave(socket.room);
                io.sockets. in (socket.room).emit('updateUsers', getUsers(socket.room));
                socket.join(newroom);
                io.sockets. in (socket.room).emit('updateRooms', getRooms(), socket.room); 
                socket.broadcast.to(socket.room).emit('updatechat', 'SERVER', socket.username + ' has left this room');
                socket.room = newroom;
			
                    game.game(map, socket, io);
 
				socket.emit('updateChat', 'SERVER', 'you have connected to ' + newroom);
                io.sockets.to(socket.room).emit('updateUsers', getUsers(socket.room));
                socket.broadcast.to(newroom).emit('updateChat', 'SERVER', socket.username + ' has joined this room');
                io.sockets. in (newroom).emit('updateRooms', getRooms(), newroom);
				}
			}
            });
    }
    //od??czenie klienta

    function handleClientDisconnection(socket) {
        socket.on('disconnect', function () {
                if (socket.username !== undefined) {
                    var index = usernames.indexOf(socket.username);
                  if (index > -1) {usernames.splice(index, 1);}
                    console.log("Disconnected", socket.username);
					if(socket.room !== 'Lobby'){
					socket.broadcast.to(socket.room).emit('backToLobby');
					
					}
                    else{
					socket.broadcast.to(socket.room).emit('updateChat', 'SERVER', socket.username + ' has disconnected');
					}
                    socket.leave(socket.room);
                    io.sockets.to(socket.room).emit('updateUsers', getUsers(socket.room));
                }
            });
    }
    //funkcja numeruj?ca username

    function assignName(username, number) {
        var username_tmp = "";
        username_tmp = username + '_' + number;
        if (usernames.indexOf(username_tmp) > -1) {
            return assignName(username, ++number);
        }
        else {
            return username_tmp;
        }
    }
    //pobieranie nazw pokoi

    function getRooms() {
        var rooms = [];
        for (var i in io.sockets.manager.rooms) {
            if (i !== '' && i !== '/Lobby') {
                if (io.sockets.manager.rooms[i].length < 2) {
                    rooms.push(i.substring(1));
                }
            }
        }
        return rooms;
    }
    //pobieranie nazw u?ytkowników w danym pokoju

    function getUsers(room) {
        var users = [];
        for (var i in io.sockets.manager.rooms['/' + room]) {
            users.push(io.sockets.sockets[io.sockets.manager.rooms['/' + room][i]].username);
        }
        return users;
    }

};