Implement main game mechanic

server/controller/room.js

@@ -1,3 +1,9 @@
+let cleanupGameState;
+
+const setCleanupGameState = (cleanupFunction) => {
+    cleanupGameState = cleanupFunction;
+};
+
 let rooms = {};
 
 module.exports.roomExists = (roomId) => rooms[roomId] !== undefined;
@@ -76,6 +82,7 @@ module.exports.disconnectUser = (userId) => {
 
         if (memberIndex !== -1) {
             if (room.members[memberIndex].creator && room.members.length > 1) {
+                // Transfer host status to the next user
                 room.members[1].creator = true;
             }
 
@@ -83,6 +90,9 @@ module.exports.disconnectUser = (userId) => {
             console.log(`User ${userId} disconnected from room ${roomId}`);
 
             if (room.members.length === 0) {
+                if (cleanupGameState) {
+                    cleanupGameState(roomId);
+                }
                 delete rooms[roomId];
                 console.log(`Room ${roomId} deleted because it's empty`);
             }
@@ -90,4 +100,25 @@ module.exports.disconnectUser = (userId) => {
             break;
         }
     }
-}
+}
+
+module.exports.validateRoomMembers = (io, roomId) => {
+    if (!rooms[roomId]) return [];
+    
+    const validMembers = [];
+    const connectedSockets = io.sockets.adapter.rooms.get(roomId) || new Set();
+
+    rooms[roomId].members = rooms[roomId].members.filter(member => {
+        const stillConnected = connectedSockets.has(member.id);
+        if (stillConnected) {
+            validMembers.push(member);
+        } else {
+            console.log(`Removing disconnected user ${member.name} (${member.id}) from room ${roomId}`);
+        }
+        return stillConnected;
+    });
+    
+    return validMembers;
+}
+
+module.exports.setCleanupGameState = setCleanupGameState;