import 'package:go_router/go_router.dart';
import 'app_route_observer.dart';
import '../../features/auth/presentation/bloc/auth_bloc.dart';
import '../../features/auth/presentation/bloc/auth_state.dart';
import 'app_routes.dart';
import 'go_router_refresh_stream.dart';
import '../../features/auth/ui/screens/auth_boot_screen.dart';
import '../../features/auth/ui/screens/login_screen.dart';
import '../../features/home/ui/screens/home_screen.dart';
import '../../features/messages/ui/screens/message_invite_list_screen.dart';
import '../../features/messages/ui/screens/message_invite_detail_screen.dart';
import '../../features/contacts/ui/screens/contacts_screen.dart';
import '../../features/contacts/ui/screens/add_contact_screen.dart';
import '../../features/calendar/ui/screens/calendar_dayweek_screen.dart';
import '../../features/calendar/ui/screens/calendar_month_screen.dart';
import '../../features/calendar/ui/screens/calendar_event_detail_screen.dart';
import '../../features/calendar/ui/screens/calendar_event_create_screen.dart';
import '../../features/calendar/ui/screens/calendar_event_edit_screen.dart';
import '../../features/calendar/ui/screens/calendar_event_share_screen.dart';
import '../../features/calendar/ui/calendar_time_utils.dart';
import '../../features/todo/ui/screens/todo_quadrants_screen.dart';
import '../../features/todo/ui/screens/todo_detail_screen.dart';
import '../../features/todo/ui/screens/todo_edit_screen.dart';
import '../../features/settings/ui/screens/settings_screen.dart';
import '../../features/settings/ui/screens/features_screen.dart';
import '../../features/settings/ui/screens/job_detail_screen.dart';
import '../../features/settings/ui/screens/memory_screen.dart';
import '../../features/settings/ui/screens/user_memory_view_screen.dart';
import '../../features/settings/ui/screens/work_memory_view_screen.dart';
import '../../features/settings/ui/screens/user_memory_detail_screen.dart';
import '../../features/settings/ui/screens/work_memory_detail_screen.dart';
import '../../features/settings/ui/screens/edit_profile_screen.dart';

final _homeSecondLevelRoutes = [
  AppRoutes.shellHomeBranch,
  AppRoutes.shellCalendarBranch,
  AppRoutes.calendarMonth,
  AppRoutes.shellTodoBranch,
  AppRoutes.settingsMain,
];

final _protectedRoutes = [
  ..._homeSecondLevelRoutes,
  AppRoutes.contactsList,
  AppRoutes.contactsAdd,
  '/calendar/events',
  AppRoutes.settingsFeatures,
  AppRoutes.settingsMemory,
  AppRoutes.settingsMemoryUser,
  AppRoutes.settingsMemoryWork,
  AppRoutes.settingsMemoryUserEdit,
  AppRoutes.settingsMemoryWorkEdit,
  AppRoutes.settingsEditProfile,
  AppRoutes.messageInviteList,
];

GoRouter createAppRouter(AuthBloc authBloc) {
  return GoRouter(
    initialLocation: AppRoutes.authBoot,
    observers: [appRouteObserver],
    refreshListenable: GoRouterRefreshStream(authBloc.stream),
    redirect: (context, state) {
      final authState = authBloc.state;
      final isAuthenticated = authState is AuthAuthenticated;
      final isAuthChecking =
          authState is AuthInitial || authState is AuthLoading;
      final isBootRoute = state.matchedLocation == AppRoutes.authBoot;
      final isAuthRoute =
          state.matchedLocation == AppRoutes.authLogin ||
          state.matchedLocation.startsWith('/login');
      final isProtected = _protectedRoutes.any(
        (route) => state.matchedLocation.startsWith(route),
      );

      if (isAuthChecking && !isBootRoute) {
        return AppRoutes.authBoot;
      }
      if (!isAuthChecking && isBootRoute) {
        return isAuthenticated ? AppRoutes.homeMain : AppRoutes.authLogin;
      }
      if (!isAuthenticated && isProtected) {
        return AppRoutes.authLogin;
      }
      if (isAuthenticated && isAuthRoute) {
        return AppRoutes.homeMain;
      }
      return null;
    },
    routes: [
      GoRoute(
        path: AppRoutes.authBoot,
        builder: (context, state) => const AuthBootScreen(),
      ),
      GoRoute(
        path: AppRoutes.calendarEventCreate,
        builder: (context, state) => CalendarEventCreateScreen(
          initialDate: parseYmd(state.uri.queryParameters['date']),
        ),
      ),
      GoRoute(
        path: '/calendar/events/:id',
        builder: (context, state) =>
            CalendarEventDetailScreen(eventId: state.pathParameters['id']!),
      ),
      GoRoute(
        path: '/calendar/events/:id/edit',
        builder: (context, state) =>
            CalendarEventEditScreen(eventId: state.pathParameters['id']!),
      ),
      GoRoute(
        path: '/calendar/events/:id/share',
        builder: (context, state) =>
            CalendarEventShareScreen(eventId: state.pathParameters['id']!),
      ),
      GoRoute(
        path: AppRoutes.authLogin,
        builder: (context, state) => const LoginScreen(),
      ),
      GoRoute(
        path: AppRoutes.homeMain,
        builder: (context, state) => const HomeScreen(),
      ),
      GoRoute(
        path: AppRoutes.messageInviteList,
        builder: (context, state) => const MessageInviteListScreen(),
      ),
      GoRoute(
        path: '/messages/invites/:id',
        builder: (context, state) =>
            MessageInviteDetailScreen(inviteId: state.pathParameters['id']!),
      ),
      GoRoute(
        path: AppRoutes.contactsList,
        builder: (context, state) => const ContactsScreen(),
      ),
      GoRoute(
        path: AppRoutes.contactsAdd,
        builder: (context, state) => const AddContactScreen(),
      ),
      GoRoute(
        path: AppRoutes.calendarDayWeek,
        builder: (context, state) {
          final fromHome = state.uri.queryParameters['from'] == 'home';
          final initialDate = parseYmd(state.uri.queryParameters['date']);
          return CalendarDayWeekScreen(
            initialDate: initialDate,
            resetToToday: fromHome,
          );
        },
      ),
      GoRoute(
        path: AppRoutes.calendarMonth,
        builder: (context, state) {
          final fromHome = state.uri.queryParameters['from'] == 'home';
          return CalendarMonthScreen(resetToToday: fromHome);
        },
      ),
      GoRoute(
        path: AppRoutes.todoList,
        builder: (context, state) => const TodoQuadrantsScreen(),
      ),
      GoRoute(
        path: AppRoutes.todoCreate,
        builder: (context, state) => const TodoEditScreen.create(),
      ),
      GoRoute(
        path: '/todo/:id',
        builder: (context, state) =>
            TodoDetailScreen(todoId: state.pathParameters['id']!),
      ),
      GoRoute(
        path: '/todo/:id/edit',
        builder: (context, state) =>
            TodoEditScreen(todoId: state.pathParameters['id']!),
      ),
      GoRoute(
        path: AppRoutes.settingsMain,
        builder: (context, state) => const SettingsScreen(),
      ),
      GoRoute(
        path: AppRoutes.settingsFeatures,
        builder: (context, state) => const FeaturesScreen(),
      ),
      GoRoute(
        path: AppRoutes.settingsJobNew,
        builder: (context, state) => const JobDetailScreen(),
      ),
      GoRoute(
        path: '/settings/job/:id',
        builder: (context, state) =>
            JobDetailScreen(jobId: state.pathParameters['id']),
      ),
      GoRoute(
        path: AppRoutes.settingsMemory,
        builder: (context, state) => const MemoryScreen(),
      ),
      GoRoute(
        path: AppRoutes.settingsMemoryUser,
        builder: (context, state) => const UserMemoryViewScreen(),
      ),
      GoRoute(
        path: AppRoutes.settingsMemoryWork,
        builder: (context, state) => const WorkMemoryViewScreen(),
      ),
      GoRoute(
        path: AppRoutes.settingsMemoryUserEdit,
        builder: (context, state) => const UserMemoryDetailScreen(),
      ),
      GoRoute(
        path: AppRoutes.settingsMemoryWorkEdit,
        builder: (context, state) => const WorkMemoryDetailScreen(),
      ),
      GoRoute(
        path: AppRoutes.settingsEditProfile,
        builder: (context, state) => const EditProfileScreen(),
      ),
    ],
  );
}