void addHostListener(HostListener listener);

void removeHostListener(HostListener listener);

void addGuestListener(GuestListener listener);

void removeGuestListener(GuestListener listener);

Future<CompletionHandler> applyForSeat({
    required int seatIndex,
    required int timeout,
    String? extraInfo,
});

Future<CompletionHandler> cancelApplication();

Future<CompletionHandler> acceptApplication(String userID);

Future<CompletionHandler> rejectApplication(String userID);

Future<CompletionHandler> inviteToSeat({
    required String inviteeID,
    required int seatIndex,
    required int timeout,
    String? extraInfo,
});

Future<CompletionHandler> cancelInvitation(String inviteeID);

Future<CompletionHandler> acceptInvitation(String inviterID);

Future<CompletionHandler> rejectInvitation(String inviterID);

// Create store instance
final store = CoGuestStore.create('live_room_123');

// Define listeners
late final VoidCallback connectedListener = _onConnectedChanged;
late final VoidCallback applicantsListener = _onApplicantsChanged;

void _onConnectedChanged() {
    print('Connected users: ${store.coGuestState.connected.value.length}');
}

void _onApplicantsChanged() {
    print('Pending applications: ${store.coGuestState.applicants.value.length}');
}

// Subscribe to state changes
store.coGuestState.connected.addListener(connectedListener);
store.coGuestState.applicants.addListener(applicantsListener);

// Add host event listener (for hosts)
final hostListener = HostListener(
    onGuestApplicationReceived: (guestUser) {
        print('Received application from ${guestUser.userName}');
        // Show accept/reject UI
    },
    onHostInvitationResponded: (isAccept, guestUser) {
        print('Audience ${guestUser.userName} ${isAccept ? "accepted" : "rejected"}');
    },
);
store.addHostListener(hostListener);

// Host: Accept application
final result = await store.acceptApplication('user_456');
if (result.code == 0) {
    print('Application accepted successfully');
}

// Unsubscribe when done
store.coGuestState.connected.removeListener(connectedListener);
store.coGuestState.applicants.removeListener(applicantsListener);
store.removeHostListener(hostListener);