import 'package:flutter/material.dart';

import 'screens/login_screen.dart';
import 'screens/servers_screen.dart';
import 'services/api_service.dart';
import 'services/auth_service.dart';
import 'theme.dart';

void main() => runApp(const GameManagerApp());

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

  @override
  Widget build(BuildContext context) {
    final auth = AuthService();
    final api = ApiService(auth);
    return MaterialApp(
      title: 'GameManager',
      debugShowCheckedModeBanner: false,
      theme: AppTheme.dark(),
      darkTheme: AppTheme.dark(),
      themeMode: ThemeMode.dark,
      home: AuthGate(auth: auth, api: api),
    );
  }
}

/// Aiguille vers la connexion ou la liste des serveurs selon l'état d'auth.
class AuthGate extends StatefulWidget {
  const AuthGate({super.key, required this.auth, required this.api});
  final AuthService auth;
  final ApiService api;

  @override
  State<AuthGate> createState() => _AuthGateState();
}

class _AuthGateState extends State<AuthGate> {
  bool? _loggedIn;

  @override
  void initState() {
    super.initState();
    widget.auth.isLoggedIn().then((v) => setState(() => _loggedIn = v));
  }

  @override
  Widget build(BuildContext context) {
    if (_loggedIn == null) {
      return const Scaffold(body: Center(child: CircularProgressIndicator()));
    }
    if (_loggedIn!) {
      return ServersScreen(
        auth: widget.auth,
        api: widget.api,
        onLoggedOut: () => setState(() => _loggedIn = false),
      );
    }
    return LoginScreen(
      auth: widget.auth,
      onLoggedIn: () => setState(() => _loggedIn = true),
    );
  }
}