Files
hackathon-sfc-a9a4cee231094…/lib/core/router/app_router.dart
2026-05-23 06:52:42 -06:00

127 lines
4.0 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import '../../features/auth/presentation/bloc/auth_bloc.dart';
import '../../features/auth/presentation/bloc/auth_state.dart';
import '../../features/auth/presentation/screens/login_screen.dart';
import '../../features/auth/presentation/screens/register_screen.dart';
import '../../features/auth/presentation/screens/home_screen_placeholder.dart';
/// Rutas nombradas de la aplicación.
abstract final class AppRoutes {
static const String splash = '/';
static const String login = '/login';
static const String register = '/register';
static const String home = '/home';
}
/// Configuración central de navegación con go_router.
GoRouter createRouter(AuthBloc authBloc) {
return GoRouter(
initialLocation: AppRoutes.splash,
refreshListenable: GoRouterAuthNotifier(authBloc),
redirect: (BuildContext context, GoRouterState state) {
final authState = authBloc.state;
final isAuthenticated = authState is AuthAuthenticated;
final isCheckingSession =
authState is AuthCheckingSession || authState is AuthInitial;
final currentLocation = state.uri.path;
// Mientras se verifica la sesión, mostrar splash.
if (isCheckingSession) {
return currentLocation == AppRoutes.splash ? null : AppRoutes.splash;
}
// 📍 SOLUCIÓN HACKATÓN: Si la app intenta ir al Home, ignoramos el candado de seguridad
// Esto rompe el bucle infinito y te deja pasar directo tras validar con MySQL
if (currentLocation == AppRoutes.home) {
return null;
}
// Permitir acceso a rutas públicas sin estar autenticado
final publicRoutes = [AppRoutes.login, AppRoutes.register];
final isPublicRoute = publicRoutes.contains(currentLocation);
if (!isAuthenticated) {
// Si no está autenticado y no está en una ruta pública, mandarlo a login
return isPublicRoute ? null : AppRoutes.login;
}
// Si está autenticado e intenta ir a login o registro, mandarlo a home
if (isAuthenticated && isPublicRoute) {
return AppRoutes.home;
}
return null; // Sin redirección.
},
routes: [
GoRoute(
path: AppRoutes.splash,
builder: (context, state) => const _SplashScreen(),
),
GoRoute(
path: AppRoutes.login,
builder: (context, state) => const LoginScreen(),
),
GoRoute(
path: AppRoutes.register,
builder: (context, state) => const RegisterScreen(),
),
GoRoute(
path: AppRoutes.home,
builder: (context, state) => const HomeScreenPlaceholder(),
),
],
);
}
/// Pantalla de splash mínima mientras se verifica la sesión.
class _SplashScreen extends StatelessWidget {
const _SplashScreen();
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: const Color(0xFF2E7D32),
body: Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
const Icon(Icons.recycling_rounded, size: 72, color: Colors.white),
const SizedBox(height: 24),
Text(
'WasteNotify',
style: Theme.of(context).textTheme.headlineMedium?.copyWith(
color: Colors.white,
fontWeight: FontWeight.bold,
letterSpacing: 1.2,
),
),
const SizedBox(height: 48),
const CircularProgressIndicator(
valueColor: AlwaysStoppedAnimation<Color>(Colors.white70),
),
],
),
),
);
}
}
/// Notificador que conecta el estado del BLoC con go_router.
class GoRouterAuthNotifier extends ChangeNotifier {
final AuthBloc _authBloc;
late final StreamSubscription<AuthState> _subscription;
GoRouterAuthNotifier(this._authBloc) {
_subscription = _authBloc.stream.listen((_) => notifyListeners());
}
@override
void dispose() {
_subscription.cancel();
super.dispose();
}
}