import 'package:firebase_auth/firebase_auth.dart';
import 'package:flutter/material.dart';
import 'package:lba/screens/auth/onboarding_page.dart';
import 'package:lba/screens/mains/navigation/navigation.dart';

class AuthNavigationHandler extends StatelessWidget {
  const AuthNavigationHandler({super.key});

  @override
  Widget build(BuildContext context) {
    return StreamBuilder<User?>(
      stream: FirebaseAuth.instance.authStateChanges(),
      builder: (context, snapshot) {
        print('🔍 Auth State: ${snapshot.connectionState}, hasData: ${snapshot.hasData}');
        
        if (snapshot.connectionState == ConnectionState.waiting) {
          return const Scaffold(
            body: Center(
              child: CircularProgressIndicator(),
            ),
          );
        }

        if (snapshot.hasData && snapshot.data != null) {
          print('✅ User is logged in: ${snapshot.data!.uid}');
          return const MainScreen();
        }

        print('❌ User is not logged in');
        return const OnboardingPage();
      },
    );
  }
}