import 'package:go_router/go_router.dart';
import 'package:shuffle/core/routing/app_routes.dart';
import 'package:shuffle/features/auth/presentation/check_email/check_email_screen.dart';
import 'package:shuffle/features/auth/presentation/email_link/email_link_screen.dart';
import 'package:shuffle/features/auth/presentation/forgot_password/forgot_password_screen.dart';
import 'package:shuffle/features/auth/presentation/login/login_screen.dart';
import 'package:shuffle/features/auth/presentation/register/register_screen.dart';
import 'package:shuffle/features/auth/presentation/reset_password/reset_password_screen.dart';

/// Routes of the auth pages (Spec #1 § 5.3).
final List<RouteBase> authRoutes = [
  GoRoute(
    path: AppRoutes.login,
    builder: (context, state) =>
        LoginScreen(from: state.uri.queryParameters[AppRoutes.fromParam]),
  ),
  GoRoute(
    path: AppRoutes.register,
    builder: (context, state) =>
        RegisterScreen(from: state.uri.queryParameters[AppRoutes.fromParam]),
    routes: [
      GoRoute(
        path: 'check-email',
        builder: (context, state) {
          // The address travels as `extra`, never in the URL. go_router would
          // persist `extra` in the browser history; the router's
          // `VolatileExtraCodec` prevents that. After a web reload it is gone;
          // the screen then asks for it.
          final extra = state.extra;
          return CheckEmailScreen(email: extra is String ? extra : null);
        },
      ),
    ],
  ),
  GoRoute(
    path: AppRoutes.forgotPassword,
    builder: (context, state) => ForgotPasswordScreen(
      from: state.uri.queryParameters[AppRoutes.fromParam],
    ),
    routes: [
      GoRoute(
        path: 'check-email',
        // The mode is part of the path, so it survives a web reload.
        builder: (context, state) =>
            const CheckEmailScreen(mode: CheckEmailMode.reset),
      ),
    ],
  ),
  GoRoute(
    path: AppRoutes.authConfirm,
    builder: (context, state) => EmailLinkScreen(
      tokenHash: state.uri.queryParameters['token_hash'],
      type: state.uri.queryParameters['type'],
    ),
  ),
  GoRoute(
    path: AppRoutes.resetPassword,
    builder: (context, state) => const ResetPasswordScreen(),
  ),
];