Implement waiting room

server/controller/room.js

@@ -2,11 +2,18 @@ let rooms = {};
 
 module.exports.roomExists = (roomId) => rooms[roomId] !== undefined;
 
+module.exports.isRoomOpen = (roomId) => rooms[roomId] && rooms[roomId].state === 'waiting';
+
 module.exports.connectUserToRoom = (roomId, user) => {
+    roomId = roomId.toUpperCase();
     if (rooms[roomId]) {
         rooms[roomId].members.push({...user, creator: false});
     } else {
-        rooms[roomId] = {members: [{...user, creator: true}], settings: {}};
+        rooms[roomId] = {
+            members: [{...user, creator: true}], 
+            settings: {},
+            state: 'waiting'
+        };
     }
     console.log(`User ${user.name} connected to room ${roomId}`);
 }
@@ -35,6 +42,33 @@ module.exports.getRoomCreator = (roomId) => {
     return null;
 }
 
+module.exports.isUserHost = (userId) => {
+    for (const roomId in rooms) {
+        const room = rooms[roomId];
+        const member = room.members.find(m => m.id === userId);
+        if (member && member.creator) {
+            return true;
+        }
+    }
+    return false;
+}
+
+module.exports.startGame = (roomId) => {
+    if (rooms[roomId]) {
+        rooms[roomId].state = 'playing';
+        console.log(`Game started in room ${roomId}`);
+        return true;
+    }
+    return false;
+}
+
+module.exports.getRoomState = (roomId) => {
+    if (rooms[roomId]) {
+        return rooms[roomId].state;
+    }
+    return null;
+}
+
 module.exports.disconnectUser = (userId) => {
     for (const roomId in rooms) {
         const room = rooms[roomId];