1st json over websocket test

Websockets/Room.cs

@@ -1,11 +1,16 @@
 using System.Net.WebSockets;
 using System.Text;
+using System.Text.Json;
+using MauMau_Server.Mau;
 
 namespace MauMau_Server.Websockets;
 
 public class Room
 {
     private readonly Dictionary<string, WebSocket> _connections = new();
+    private readonly Deck _deck = new();
+    private Card currentCard;
+    private List<Card> hand = new();
 
     public async Task InstantiateConnection(WebSocket socket)
     {
@@ -15,12 +20,16 @@ public class Room
 
     private async Task HandleConnection(WebSocket socket, string socketId)
     {
+        hand = _deck.DrawCards(8);
+        SendAsync(socket, JsonSerializer.Serialize(new HandDTO(hand)));
         var buffer = EmptyBuffer();
         var result = await ReceiveAsync(socket, buffer);
         while (!result.CloseStatus.HasValue)
         {
-            var message = $"{socketId}: {Encoding.Default.GetString(buffer)}";
-            BroadcastAsync(message);
+            var slicedBuffer = buffer[0..result.Count];
+            var playedCard = JsonSerializer.Deserialize<CardDTO>(slicedBuffer).ToCard();
+            BroadcastAsync(JsonSerializer.Serialize(playedCard.ToString()));
+            SendAsync(socket, JsonSerializer.Serialize(new HandDTO(hand)));
             buffer = EmptyBuffer();
             result = await ReceiveAsync(socket, buffer);
         }
@@ -59,13 +68,18 @@ public class Room
     
     private void BroadcastAsync(string message)
     {
-        var bytes = Encoding.Default.GetBytes(message);
-        var arraySegment = new ArraySegment<byte>(bytes);
         foreach (var (id, socket) in GetAllConnections())
         {
-            socket.SendAsync(arraySegment, WebSocketMessageType.Text, true, CancellationToken.None);
+            SendAsync(socket, message);
         }
     }
+    
+    private void SendAsync(WebSocket socket, string message)
+    {
+        var bytes = Encoding.Default.GetBytes(message);
+        var arraySegment = new ArraySegment<byte>(bytes);
+        socket.SendAsync(arraySegment, WebSocketMessageType.Text, true, CancellationToken.None);
+    }
 
     private static byte[] EmptyBuffer()
     {