OnBudget/lib/src/app/router/app_router.dart

import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';

import '../../core/database/converters/enum_converters.dart';
import '../../features/accounts/presentation/screens/account_form_screen.dart';
import '../../features/accounts/presentation/screens/accounts_screen.dart';
import '../../features/analytics/presentation/screens/analytics_screen.dart';
import '../../features/analytics/presentation/screens/habit_analysis_screen.dart';
import '../../features/categories/presentation/screens/categories_list_screen.dart';
import '../../features/categories/presentation/screens/category_form_screen.dart';
import '../../features/home/presentation/screens/home_screen.dart';
import '../../features/notification_parsing/presentation/screens/ai_consent_screen.dart';
import '../../features/notification_parsing/presentation/screens/app_bindings_screen.dart';
import '../../features/notification_parsing/presentation/screens/debug_inject_screen.dart';
import '../../features/notification_parsing/presentation/screens/inbox_screen.dart';
import '../../features/notification_parsing/presentation/screens/parsing_log_screen.dart';
import '../../features/notification_parsing/presentation/screens/parsing_settings_screen.dart';
import '../../features/notification_parsing/presentation/screens/rule_editor_screen.dart';
import '../../features/notification_parsing/presentation/screens/rules_list_screen.dart';
import '../../features/notification_parsing/presentation/screens/source_apps_screen.dart';
import '../../features/profile/presentation/screens/profile_screen.dart';
import '../../features/transactions/presentation/screens/transaction_form_screen.dart';
import '../../features/user/application/active_user_controller.dart';
import '../../features/user/presentation/screens/onboarding_screen.dart';
import '../../shared/widgets/app_scaffold.dart';
import 'app_routes.dart';

part 'app_router.g.dart';

@Riverpod(keepAlive: true)
GoRouter appRouter(Ref ref) {
  // ValueNotifier, который дёргается каждый раз, когда меняется состояние
  // активного пользователя — это сигнал для GoRouter пересчитать redirect.
  final refresh = ValueNotifier<int>(0);
  ref.listen<AsyncValue<Object?>>(
    activeUserControllerProvider,
    (_, _) => refresh.value++,
  );
  ref.onDispose(refresh.dispose);

  return GoRouter(
    initialLocation: AppRoutes.home,
    refreshListenable: refresh,
    redirect: (context, state) {
      final active = ref.read(activeUserControllerProvider);
      // Пока активный пользователь загружается из БД — никуда не уводим.
      if (active.isLoading) return null;
      final hasUser = active.value != null;
      final atOnboarding = state.matchedLocation == AppRoutes.onboarding;
      if (!hasUser) return atOnboarding ? null : AppRoutes.onboarding;
      if (atOnboarding) return AppRoutes.home;
      return null;
    },
    routes: [
      GoRoute(
        path: AppRoutes.onboarding,
        builder: (context, state) => const OnboardingScreen(),
      ),
      GoRoute(
        path: AppRoutes.transactionNew,
        pageBuilder: (context, state) => _slideUpPage<String?>(
          state,
          TransactionFormScreen(
            prefill: state.extra as TransactionFormPrefill?,
          ),
        ),
      ),
      GoRoute(
        path: AppRoutes.transactionEditPattern,
        pageBuilder: (context, state) => _slideUpPage<void>(
          state,
          TransactionFormScreen(txId: state.pathParameters['id']),
        ),
      ),
      GoRoute(
        path: AppRoutes.categoriesList,
        pageBuilder: (context, state) => _slideUpPage<void>(
          state,
          const CategoriesListScreen(),
        ),
      ),
      GoRoute(
        path: AppRoutes.categoryNew,
        pageBuilder: (context, state) => _slideUpPage<String?>(
          state,
          CategoryFormScreen(presetType: state.extra as CategoryType?),
        ),
      ),
      GoRoute(
        path: AppRoutes.categoryEditPattern,
        pageBuilder: (context, state) => _slideUpPage<String?>(
          state,
          CategoryFormScreen(categoryId: state.pathParameters['id']),
        ),
      ),
      GoRoute(
        path: AppRoutes.accountNew,
        pageBuilder: (context, state) => _slideUpPage<String?>(
          state,
          const AccountFormScreen(),
        ),
      ),
      GoRoute(
        path: AppRoutes.accountEditPattern,
        pageBuilder: (context, state) => _slideUpPage<String?>(
          state,
          AccountFormScreen(accountId: state.pathParameters['id']),
        ),
      ),
      GoRoute(
        path: AppRoutes.inbox,
        pageBuilder: (context, state) =>
            _slideUpPage<void>(state, const InboxScreen()),
      ),
      GoRoute(
        path: AppRoutes.parsingSettings,
        builder: (context, state) => const ParsingSettingsScreen(),
      ),
      GoRoute(
        path: AppRoutes.parsingAi,
        builder: (context, state) => const AiConsentScreen(),
      ),
      GoRoute(
        path: AppRoutes.parsingRules,
        builder: (context, state) => const RulesListScreen(),
      ),
      // 'new' должен идти раньше ':id', иначе перехватится как id.
      GoRoute(
        path: AppRoutes.parsingRuleNew,
        builder: (context, state) =>
            RuleEditorScreen(prefill: state.extra as RuleEditorPrefill?),
      ),
      GoRoute(
        path: AppRoutes.parsingRuleEditPattern,
        builder: (context, state) =>
            RuleEditorScreen(ruleId: state.pathParameters['id']),
      ),
      GoRoute(
        path: AppRoutes.parsingDebugInject,
        builder: (context, state) => const DebugInjectScreen(),
      ),
      GoRoute(
        path: AppRoutes.parsingLog,
        builder: (context, state) => const ParsingLogScreen(),
      ),
      GoRoute(
        path: AppRoutes.parsingApps,
        builder: (context, state) => const SourceAppsScreen(),
      ),
      GoRoute(
        path: AppRoutes.parsingAppBindingsPattern,
        builder: (context, state) => AppBindingsScreen(
          packageName: Uri.decodeComponent(state.pathParameters['pkg']!),
        ),
      ),
      GoRoute(
        path: AppRoutes.habitAnalysis,
        pageBuilder: (context, state) =>
            _slideUpPage<void>(state, const HabitAnalysisScreen()),
      ),
      StatefulShellRoute.indexedStack(
        builder: (context, state, navigationShell) => AppScaffold(
          navigationShell: navigationShell,
        ),
        branches: [
          StatefulShellBranch(
            routes: [
              GoRoute(
                path: AppRoutes.home,
                builder: (context, state) => const HomeScreen(),
              ),
            ],
          ),
          StatefulShellBranch(
            routes: [
              GoRoute(
                path: AppRoutes.analytics,
                builder: (context, state) => const AnalyticsScreen(),
              ),
            ],
          ),
          StatefulShellBranch(
            routes: [
              GoRoute(
                path: AppRoutes.accounts,
                builder: (context, state) => const AccountsScreen(),
              ),
            ],
          ),
          StatefulShellBranch(
            routes: [
              GoRoute(
                path: AppRoutes.profile,
                builder: (context, state) => const ProfileScreen(),
              ),
            ],
          ),
        ],
      ),
    ],
  );
}

Page<T> _slideUpPage<T>(GoRouterState state, Widget child) {
  return CustomTransitionPage<T>(
    key: state.pageKey,
    child: child,
    transitionsBuilder: (context, animation, secondaryAnimation, child) {
      final curved = CurvedAnimation(
        parent: animation,
        curve: Curves.easeOutCubic,
        reverseCurve: Curves.easeInCubic,
      );
      return SlideTransition(
        position: Tween<Offset>(
          begin: const Offset(0, 1),
          end: Offset.zero,
        ).animate(curved),
        child: child,
      );
    },
  );
}