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

import '../../features/assets/presentation/assets_page.dart';
import '../../features/auth/presentation/delete_account_page.dart';
import '../../features/auth/presentation/login_page.dart';
import '../../features/debug/presentation/debug_info_page.dart';
import '../../features/debug/presentation/debug_page.dart';
import '../../features/debug/presentation/debug_shorebird_page.dart';
import '../../features/debug/presentation/fancy_dio_inspector_page.dart';
import '../../features/debug/presentation/typography_test_page.dart';
import '../../features/market/presentation/market_page.dart';
import '../../features/news/presentation/news_page.dart';
import '../../features/profile/presentation/profile_page.dart';
import '../../features/settings/presentation/settings_page.dart';
import '../../features/settings/presentation/privacy_consent_page.dart';
import '../../features/web/presentation/web_page.dart';
import '../services/device_header_service.dart';
import 'tab_shell.dart';
import 'route_error_page.dart';

abstract final class AppRoutes {
  static const assets = '/assets';
  static const market = '/market';
  static const news = '/news';
  static const profile = '/profile';
  static const login = '/login';
  static const settings = '/settings';
  static const deleteAccount = '/delete-account';
  static const deleteAccountCompleted = '/delete-account-completed';
  static const debug = '/debug';
  static const debugInfo = '/debug/info';
  static const debugShorebird = '/debug/shorebird';
  static const debugTypography = '/debug/typography';
  static const fancyDioInspector = '/debug/fancy_dio_inspector';
  static const privacyConsent = '/privacy-consent';
  static const web = '/web';
}

final rootNavigatorKey = GlobalKey<NavigatorState>();

final routerProvider = Provider<GoRouter>((ref) {
  final startupListenable = ValueNotifier<int>(0);
  return GoRouter(
    navigatorKey: rootNavigatorKey,
    initialLocation: AppRoutes.assets,
    refreshListenable: startupListenable,
    errorBuilder: (_, state) => RouteErrorPage(error: state.error),
    redirect: (context, state) {
      final loc = state.matchedLocation;
      final onConsent = loc == AppRoutes.privacyConsent;
      final showStartup =
          DeviceHeaderService.to.privacyConsentRequired ||
          DeviceHeaderService.to.iosStartupRequired;
      if (showStartup) {
        if (!onConsent) return AppRoutes.privacyConsent;
      } else if (onConsent) {
        return AppRoutes.assets;
      }
      return null;
    },
    routes: [
      StatefulShellRoute.indexedStack(
        builder: (context, state, navigationShell) => TabShell(
          location: state.matchedLocation,
          navigationShell: navigationShell,
        ),
        branches: [
          StatefulShellBranch(
            routes: [
              GoRoute(
                path: AppRoutes.assets,
                builder: (ctx, s) => const AssetsPage(),
              ),
            ],
          ),
          StatefulShellBranch(
            routes: [
              GoRoute(
                path: AppRoutes.market,
                builder: (ctx, s) => const MarketPage(),
              ),
            ],
          ),
          StatefulShellBranch(
            routes: [
              GoRoute(
                path: AppRoutes.news,
                builder: (ctx, s) => const NewsPage(),
              ),
            ],
          ),
          StatefulShellBranch(
            routes: [
              GoRoute(
                path: AppRoutes.profile,
                builder: (ctx, s) => const ProfilePage(),
              ),
            ],
          ),
        ],
      ),
      GoRoute(path: AppRoutes.debug, builder: (_, s) => const DebugPage()),
      GoRoute(
        path: AppRoutes.login,
        builder: (_, s) => LoginPage(next: s.uri.queryParameters['next']),
      ),
      GoRoute(
        path: AppRoutes.settings,
        builder: (_, s) => const SettingsPage(),
      ),
      GoRoute(
        path: AppRoutes.deleteAccount,
        builder: (_, s) => const DeleteAccountPage(),
      ),
      GoRoute(
        path: AppRoutes.deleteAccountCompleted,
        builder: (_, s) => const DeleteAccountSuccessPage(),
      ),
      GoRoute(
        path: AppRoutes.debugInfo,
        builder: (_, s) => const DebugInfoPage(),
      ),
      GoRoute(
        path: AppRoutes.debugShorebird,
        builder: (_, s) => const DebugShorebirdPage(),
      ),
      GoRoute(
        path: AppRoutes.debugTypography,
        builder: (_, s) => const TypographyTestPage(),
      ),
      GoRoute(
        path: AppRoutes.fancyDioInspector,
        builder: (_, s) => const FancyDioInspectorPage(),
      ),
      GoRoute(
        path: AppRoutes.privacyConsent,
        builder: (_, s) => const PrivacyConsentPage(),
      ),
      GoRoute(
        path: AppRoutes.web,
        builder: (_, state) {
          final uri = parseSafeWebUri(state.uri.queryParameters['url']);
          if (uri == null) {
            return const Scaffold(body: Center(child: Text('页面地址不可用')));
          }
          return AppWebPage(
            initialUri: uri,
            hideTitle: state.uri.queryParameters['hideTitle'] == '1',
          );
        },
      ),
    ],
  );
});