import 'package:flutter/material.dart';
import 'package:firebase_auth/firebase_auth.dart';

class SplashScreen extends StatefulWidget {
  const SplashScreen({super.key});

  @override
  State<SplashScreen> createState() => _SplashScreenState();
}

class _SplashScreenState extends State<SplashScreen> {
  @override
  void initState() {
    super.initState();
    _checkAuthStatus();
  }

Future<void> _checkAuthStatus() async {
  await Future.delayed(const Duration(seconds: 2));
  final user = FirebaseAuth.instance.currentUser;

  try {
    if (user != null) {
      // Paksa refresh untuk validasi user masih ada di server
      await user.reload();
      final refreshedUser = FirebaseAuth.instance.currentUser;

      if (refreshedUser == null) {
        // User sudah dihapus dari server
        Navigator.pushReplacementNamed(context, '/login');
      } else {
        Navigator.pushReplacementNamed(context, '/home');
      }
    } else {
      Navigator.pushReplacementNamed(context, '/login');
    }
  } catch (e) {
    // Jika reload gagal (misalnya user sudah tidak ada)
    await FirebaseAuth.instance.signOut();
    Navigator.pushReplacementNamed(context, '/login');
  }
}


  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Container(
        decoration: const BoxDecoration(
          gradient: LinearGradient(
            colors: [
              const Color.fromARGB(255, 107, 139, 255),
              Color.fromARGB(255, 139, 164, 255)
            ],
            begin: Alignment.topLeft,
            end: Alignment.bottomRight,
          ),
        ),
        width: double.infinity,
        child: const Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Icon(Icons.water_drop_rounded, size: 100, color: Colors.white),
            SizedBox(height: 24),
            Text(
              'Monitoring Debit Air',
              style: TextStyle(
                fontSize: 26,
                color: Colors.white,
                fontWeight: FontWeight.bold,
              ),
            ),
            SizedBox(height: 16),
            CircularProgressIndicator(
              valueColor: AlwaysStoppedAnimation<Color>(Colors.white),
            ),
          ],
        ),
      ),
    );
  }
}