// server.js
const WebSocket = require('ws');

const server = new WebSocket.Server({ port: 3000 });
const connections = new Set();

var playerCount = 0;

server.on('connection', (socket) => {
    connections.add(socket);
    socket.on('message', (message) => {
        message = JSON.parse(message);
        if(message.type == "connect"){
            var obj = {
                id: playerCount,
                x: 0,
                y: 0
            }
            socket.send(JSON.stringify(obj));
            playerCount++;
        }else if(message.type == "ping"){
            socket.send("pong");
        }else{
            broadcast(JSON.stringify(message));
        }
    });

  // Écoute des déconnexions du client
  socket.on('close', () => {
    connections.delete(socket);
  });
});

function broadcast(message) {
    connections.forEach((socket) => {
      if (socket.readyState === WebSocket.OPEN) {
        socket.send(message);
      }
    });
}