echange de message entre les clients

server/server.js

@@ -9,14 +9,44 @@ const io = new Server(server);
 
 const PORT = process.env.PORT || 3000;
 
+let waitingPlayer = null;
+
 // Sert tous les fichiers du dossier "client"
 app.use(express.static(path.join(__dirname, "..", "client")));
 
 io.on("connection", (socket) => {
   console.log("Un client s'est connecte : ${socket.id}");
 
+  if (waitingPlayer === null){
+    waitingPlayer = socket;
+    socket.emit("status", "En attente d'un second joueur...");
+  } else {
+    const partner = waitingPlayer;
+    waitingPlayer = null;
+
+    const socketIsGuide = Math.random() < 0.5;
+    socket.emit("role", socketIsGuide ? "guide" : "explorateur");
+    partner.emit("role", socketIsGuide ? "explorateur" : "guide");
+
+    socket.data.partnerId = partner.id;
+    partner.data.partnerId = socket.id;
+
+    socket.emit("status", "Partie prete !");
+    partner.emit("status", "Partie prete !");
+  }
+
+  socket.on("message", (data) => {
+    const partnerId = socket.data.partnerId;
+    if (partnerId){
+      io.to(partnerId).emit("message", data);
+    }
+  });
+
   socket.on("disconnect", () => {
     console.log("Client deconnecte : ${socket.id}");
+    if (waitingPlayer === socket){
+      waitingPlayer = null;
+    }
   });
 });