Partial rewrite, missing:

- Correctly parsing incoming messages
- Sending the gamestate after relevant actions

Room/RoomMessage.cs

@@ -0,0 +1,39 @@
+using MauMau_Server.Websockets;
+
+namespace MauMau_Server.Room;
+
+public class RoomMessage
+{
+    public string CurrentRoomType;
+    public string? MessageType;
+    public List<string> JoinedPlayers;
+    public string? Message;
+
+    public RoomMessage(string currentRoomType, IEnumerable<ConnectionInstance> joinedPlayers, string? message)
+    {
+        CurrentRoomType = currentRoomType;
+        JoinedPlayers = GetNamesFromConnections(joinedPlayers);
+        Message = message;
+    }
+    
+    public RoomMessage(string currentRoomType, MessageType messageType, IEnumerable<ConnectionInstance> joinedPlayers, string? message)
+    {
+        CurrentRoomType = currentRoomType;
+        MessageType = messageType.ToString();
+        JoinedPlayers = GetNamesFromConnections(joinedPlayers);
+        Message = message;
+    }
+    
+    private static List<string> GetNamesFromConnections(IEnumerable<ConnectionInstance> connections)
+    {
+        return connections.Select(player => player.Name).ToList();
+    }
+}
+
+public enum MessageType
+{
+    INFO,
+    SUCCES,
+    WARNING,
+    ERROR
+}