/***************************

Server

***************************/

var express = require('express');

var app = express();

var web_server = require('http').createServer(app);

var web_socket = require('socket.io')(web_server);

var port = 3000;

app.use('/', express.static(__dirname + '/www'));

var roomNo = 1;

var playerNo = 1;

var roomsList = [];

// Create Room

function createRoom(client) {

// Join room and push infos

roomsList.push({ r: roomNo, status: 'joinable', creator: client.nickname });

client.join('room-' + roomNo);

console.log('>>', client.nickname, ' joined room-' + roomNo);

client.inroom = roomNo;

playerNo = 2; // So he has to wait another player

// Send infos to clients

roomInfo = { n: roomNo, player: playerNo, nick: client.nickname };

client.emit('roomInfo', roomInfo);

console.log('Rooms: ', roomsList);

client.broadcast.emit('roomList', roomsList);

roomNo++;

}

// Join room

function joinRoom(client, id) {

if (!id) {

// Client didn't select a room

client.emit('roomNull');

return;

}

let index = roomsList.findIndex((rooms) => rooms.r == id); // Get where room is (index)

if (index === -1) {

// Room isn't in list

client.emit('reset');

return;

}

if (roomsList[index].status === 'full' || roomsList[index].status === 'half') {

// If non-joinable room

client.emit('roomIsFull');

return;

}

// Join room

client.join('room-' + id);

console.log('>>', client.nickname, ' joined room-' + id);

client.inroom = id;

roomsList[index].status = 'full'; // Room is full (2 players inside)

playerNo = 1;

// Send infos to clients

roomInfo = { n: id, player: playerNo, nick: client.nickname };

client.emit('roomInfo', roomInfo);

console.log('Rooms: ', roomsList);

client.broadcast.emit('roomList', roomsList);

}

// exit

function exit(client) {

client.in('room-' + client.inroom).emit('tableWin');

remove(client.inroom);

client.leave('room-' + client.inroom);

client.broadcast.emit('clientDisconnected', roomsList);

client.broadcast.emit('roomList', roomsList);

}

// removeRoom

function remove(socketInRoom) {

let index = roomsList.findIndex((rooms) => rooms.r == socketInRoom);

if (index === -1) return;

if (roomsList[index].status !== 'half')

roomsList[index].status = 'half'; // Check if there is a player in the room

else roomsList.splice(index, 1);

setTimeout(clearHalf, 60000); // Clear half rooms after 60 secs

}

// clear half rooms

function clearHalf() {

roomsList.forEach((obj) => {

if (obj.status === 'half') roomsList.splice(roomsList[roomsList.indexOf(obj)], 1);

});

}

// Socket Connection

web_socket.on('connection', (client) => {

var socket = client;

console.log('New connection: ' + socket.id);

socket.broadcast.emit('roomList', roomsList);

// login handler

socket.on('login', (nickname) => {

socket.nickname = nickname;

console.log('>>', socket.nickname, ' connected');

socket.broadcast.emit('roomList', roomsList);

// createRoom handler

socket.on('createRoom', () => {

console.log('>>', socket.nickname, ' trying to create room');

createRoom(socket);

});

// joinRoom handler

socket.on('joinRoom', (id) => {

console.log('>>', socket.nickname, ' trying to join room ', id);

joinRoom(socket, id);

});

// updateGrid handler sendig to other socket data

socket.on('updateGrid', (data) => {

console.log('\t\tReceived data from player-' + data.player + ' in room-' + data.room);

socket.broadcast.in('room-' + data.room).emit('updateGrid', data); // Sending received data to other socket in room

});

// winner handler

socket.on('winner', (winner) => {

winner

? console.log('\t\tMatch ended and player ' + winner + ' won!')

: console.log('\t\tMatch ended in draw!');

});

// exit handler

socket.on('exit', () => {

console.log('>>', socket.nickname, ' out from room-' + socket.inroom);

exit(socket);

});

// disconnect handler

socket.on('disconnect', () => {

console.log('>>', socket.nickname, ' disconnected');

exit(socket);

});

});

});

web_server.listen(port);

console.log('Server listening on port ' + port);