Update app.py

app.py

@@ -588,24 +588,27 @@ def join_chat_room(room_id):
         if room["settings"]["password"] and password != room["settings"]["password"]:
             return jsonify({"error": "Wrong password"}), 403
             
-        # Determine role
-        if admin_session == room["admin_session"]:
+        # FIXED: Proper role assignment
+        if admin_session and admin_session == room["admin_session"]:
+            # Only admin if the session matches the room's admin session
             role = "admin"
             session_id = admin_session
+            receiver_number = None
         else:
-            # Check max receivers
+            # Everyone else is a receiver
             active_receivers = sum(1 for s in room["active_sessions"].values() if s["role"] == "receiver")
             if active_receivers >= room["settings"]["max_receivers"]:
                 return jsonify({"error": "Chat room is full"}), 403
                 
-            role = "receiver"
+            role = "receiver" 
             session_id = str(uuid.uuid4())
             room["receiver_counter"] += 1
+            receiver_number = room["receiver_counter"]
             
         return jsonify({
             "session_id": session_id,
             "role": role,
-            "receiver_number": room["receiver_counter"] if role == "receiver" else None,
+            "receiver_number": receiver_number,
             "room_settings": room["settings"],
             "expires_at": room["expires_at"]
         })