import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:login_vault_app/auth_service.dart';
import 'package:login_vault_app/theme_provider.dart';
import 'package:login_vault_app/auth_screen.dart';
import 'package:login_vault_app/dashboard_screen.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  final auth = AuthService();
  final theme = ThemeProvider();
  final registered = await auth.isRegistered();
  final email = await auth.getEmail() ?? '';
  final timeout = await auth.getTimeoutMinutes();
  final hasSession = await auth.hasValidSession(timeout);
  final startAtDashboard = registered && email.isNotEmpty && hasSession;
  runApp(
    MultiProvider(
      providers: [
        Provider<AuthService>.value(value: auth),
        ChangeNotifierProvider<ThemeProvider>.value(value: theme),
      ],
      child: MyApp(
        startAtDashboard: startAtDashboard,
        auth: auth,
        theme: theme,
        email: email,
      ),
    ),
  );
}

class MyApp extends StatelessWidget {
  final bool startAtDashboard;
  final AuthService auth;
  final ThemeProvider theme;
  final String email;
  const MyApp(
      {super.key,
      required this.startAtDashboard,
      required this.auth,
      required this.theme,
      required this.email});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Login Vault',
      theme: ThemeData(
        useMaterial3: true,
        brightness: Brightness.light,
        colorSchemeSeed: Colors.indigo,
      ),
      darkTheme: ThemeData(
        useMaterial3: true,
        brightness: Brightness.dark,
        colorSchemeSeed: Colors.indigo,
      ),
      themeMode: theme.mode,
      home: startAtDashboard
          ? DashboardScreen(auth: auth, theme: theme, email: email)
          : AuthScreen(auth: auth),
      debugShowCheckedModeBanner: false,
    );
  }
}