// lib/widgets/home/home_page.dart
import 'dart:async';

import 'package:aves/remote/collection_source_remote_ext.dart';
import 'package:aves/app_mode.dart';
import 'package:aves/geo/uri.dart';
import 'package:aves/model/app/intent.dart';
import 'package:aves/model/app/permissions.dart';
import 'package:aves/model/app_inventory.dart';
import 'package:aves/model/entry/entry.dart';
import 'package:aves/model/entry/extensions/catalog.dart';
import 'package:aves/model/filters/covered/location.dart';
import 'package:aves/model/filters/covered/stored_album.dart';
import 'package:aves/model/filters/filters.dart';
import 'package:aves/model/settings/settings.dart';
import 'package:aves/model/source/collection_lens.dart';
import 'package:aves/model/source/collection_source.dart';
import 'package:aves/services/analysis_service.dart';
import 'package:aves/services/common/services.dart';
import 'package:aves/services/global_search.dart';
import 'package:aves/services/intent_service.dart';
import 'package:aves/services/widget_service.dart';
import 'package:aves/theme/themes.dart';
import 'package:aves/utils/android_file_utils.dart';
import 'package:aves/widgets/collection/collection_page.dart';
import 'package:aves/widgets/common/basic/scaffold.dart';
import 'package:aves/widgets/common/behaviour/routes.dart';
import 'package:aves/widgets/common/extensions/build_context.dart';
import 'package:aves/widgets/common/search/page.dart';
import 'package:aves/widgets/common/search/route.dart';
import 'package:aves/widgets/editor/entry_editor_page.dart';
import 'package:aves/widgets/explorer/explorer_page.dart';
import 'package:aves/widgets/filter_grids/albums_page.dart';
import 'package:aves/widgets/filter_grids/tags_page.dart';
import 'package:aves/widgets/home/home_error.dart';
import 'package:aves/widgets/map/map_page.dart';
import 'package:aves/widgets/search/collection_search_delegate.dart';
import 'package:aves/widgets/settings/home_widget_settings_page.dart';
import 'package:aves/widgets/settings/screen_saver_settings_page.dart';
import 'package:aves/widgets/viewer/entry_viewer_page.dart';
import 'package:aves/widgets/viewer/screen_saver_page.dart';
import 'package:aves/widgets/wallpaper_page.dart';
import 'package:aves_model/aves_model.dart';
import 'package:collection/collection.dart';
import 'package:flutter/material.dart';
import 'package:latlong2/latlong.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:provider/provider.dart';

// --- REMOTO / DEBUG ---
import 'package:flutter/foundation.dart' show kDebugMode;
import 'package:sqflite/sqflite.dart';
import 'package:path/path.dart' as p;
import 'package:aves/remote/remote_test_page.dart' as rtp;
import 'package:aves/remote/remote_settings.dart';
import 'package:aves/remote/remote_http.dart';
import 'package:aves/remote/remote_models.dart';
import 'package:aves/remote/remote_client.dart';
import 'package:aves/remote/auth_client.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';

// Step 2: progress bus + repository
import 'package:aves/remote/remote_sync_bus.dart';
import 'package:aves/remote/remote_repository.dart';

class HomePage extends StatefulWidget {
  static const routeName = '/';
  final Map? intentData;

  const HomePage({
    super.key,
    this.intentData,
  });

  @override
  State<HomePage> createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
  AvesEntry? _viewerEntry;
  int? _widgetId;
  String? _initialRouteName, _initialSearchQuery;
  Set<CollectionFilter>? _initialFilters;
  String? _initialExplorerPath;
  (LatLng, double?)? _initialLocationZoom;
  List<String>? _secureUris;
  (Object, StackTrace)? _setupError;

  bool _remoteSyncScheduled = false;
  bool _remoteSyncActive = false;
  bool _remoteTestOpen = false;

  static const allowedShortcutRoutes = [
    AlbumListPage.routeName,
    CollectionPage.routeName,
    ExplorerPage.routeName,
    MapPage.routeName,
    SearchPage.routeName,
  ];

  @override
  void initState() {
    super.initState();
    _setup();
    imageCache.maximumSizeBytes = 512 * (1 << 20);
  }

  @override
  Widget build(BuildContext context) => AvesScaffold(
        body: _setupError != null
            ? HomeError(
                error: _setupError!.$1,
                stack: _setupError!.$2,
              )
            : null,
      );

  // ============================================================
  // BOOTSTRAP FLAG (Remote progress ONLY first time)
  // ============================================================
  Future<bool> _isRemoteBootstrapDone() async {
    final storage = FlutterSecureStorage();
    final v = await storage.read(key: 'remote_bootstrap_done');
    return v == '1';
  }

  Future<void> _setRemoteBootstrapDone() async {
    final storage = FlutterSecureStorage();
    await storage.write(key: 'remote_bootstrap_done', value: '1');
  }

  // ============================================================
  // ✅ NEW: wait for locals to be READY before starting remote bootstrap
  // ============================================================
  Future<void> _waitSourceReady(CollectionSource source) async {
    if (source.stateNotifier.value == SourceState.ready) return;

    final c = Completer<void>();
    void onState() {
      if (source.stateNotifier.value == SourceState.ready) {
        source.stateNotifier.removeListener(onState);
        c.complete();
      }
    }

    source.stateNotifier.addListener(onState);
    onState();
    await c.future;
  }

  // ============================================================
  // INIT DEBUG (optional): SourceState + polling entry counts (3s)
  // ============================================================
  VoidCallback _attachInitDebug(CollectionSource source, String label) {
    final sw = Stopwatch()..start();
    int lastAll = -1;
    int lastVis = -1;

    void logState() {
      debugPrint(
        '[$label] state=${source.stateNotifier.value} '
        't=${sw.elapsedMilliseconds}ms '
        'all=${source.allEntries.length} vis=${source.visibleEntries.length} '
        'loadedScope=${source.loadedScope}',
      );
    }

    void pollCounts() {
      final all = source.allEntries.length;
      final vis = source.visibleEntries.length;
      if (all != lastAll || vis != lastVis) {
        lastAll = all;
        lastVis = vis;
        debugPrint('[$label] CHANGE t=${sw.elapsedMilliseconds}ms all=$all vis=$vis state=${source.stateNotifier.value}');
      }
    }

    debugPrint('[$label] attach listeners');
    logState();
    pollCounts();

    source.stateNotifier.addListener(logState);
    final timer = Timer.periodic(const Duration(milliseconds: 100), (_) => pollCounts());

    return () {
      timer.cancel();
      try {
        source.stateNotifier.removeListener(logState);
      } catch (_) {}
      debugPrint('[$label] detach listeners at t=${sw.elapsedMilliseconds}ms');
    };
  }

  Future<void> _setup() async {
    try {
      final stopwatch = Stopwatch()..start();

      if (await windowService.isActivity()) {
        await Permissions.mediaAccess.request();
      }

      var appMode = AppMode.main;
      var error = false;

      final intentData = widget.intentData ?? await IntentService.getIntentData();
      final intentAction = intentData[IntentDataKeys.action] as String?;

      _initialFilters = null;
      _initialExplorerPath = null;
      _secureUris = null;

      await availability.onNewIntent();
      await androidFileUtils.init();

      // Warm-up header remoti (non blocca UI)
      unawaited(Future(() async {
        try {
          final s = await _safeLoadRemoteSettings();
          if (s.enabled && s.baseUrl.trim().isNotEmpty) {
            await _safeHeaders();
          }
        } catch (_) {}
      }));

      if (!{
            IntentActions.edit,
            IntentActions.screenSaver,
            IntentActions.setWallpaper,
          }.contains(intentAction) &&
          settings.isInstalledAppAccessAllowed) {
        unawaited(appInventory.initAppNames());
      }

      if (intentData.values.nonNulls.isNotEmpty) {
        await reportService.log('Intent data=$intentData');

        var intentUri = intentData[IntentDataKeys.uri] as String?;
        final intentMimeType = intentData[IntentDataKeys.mimeType] as String?;

        switch (intentAction) {
          case IntentActions.view:
            appMode = AppMode.view;
            _secureUris = (intentData[IntentDataKeys.secureUris] as List?)?.cast<String>();
          case IntentActions.viewGeo:
            error = true;
            if (intentUri != null) {
              final locationZoom = parseGeoUri(intentUri);
              if (locationZoom != null) {
                _initialRouteName = MapPage.routeName;
                _initialLocationZoom = locationZoom;
                error = false;
              }
            }
            break;
          case IntentActions.edit:
            appMode = AppMode.edit;
          case IntentActions.setWallpaper:
            appMode = AppMode.setWallpaper;
          case IntentActions.pickItems:
            final multiple = (intentData[IntentDataKeys.allowMultiple] as bool?) ?? false;
            debugPrint('pick mimeType=$intentMimeType multiple=$multiple');
            appMode = multiple ? AppMode.pickMultipleMediaExternal : AppMode.pickSingleMediaExternal;
          case IntentActions.pickCollectionFilters:
            appMode = AppMode.pickCollectionFiltersExternal;
          case IntentActions.screenSaver:
            appMode = AppMode.screenSaver;
            _initialRouteName = ScreenSaverPage.routeName;
          case IntentActions.screenSaverSettings:
            _initialRouteName = ScreenSaverSettingsPage.routeName;
          case IntentActions.search:
            _initialRouteName = SearchPage.routeName;
            _initialSearchQuery = intentData[IntentDataKeys.query] as String?;
          case IntentActions.widgetSettings:
            _initialRouteName = HomeWidgetSettingsPage.routeName;
            _widgetId = (intentData[IntentDataKeys.widgetId] as int?) ?? 0;
          case IntentActions.widgetOpen:
            final widgetId = intentData[IntentDataKeys.widgetId] as int?;
            if (widgetId == null) {
              error = true;
            } else {
              await settings.reload();
              final page = settings.getWidgetOpenPage(widgetId);
              switch (page) {
                case WidgetOpenPage.collection:
                  _initialFilters = settings.getWidgetCollectionFilters(widgetId);
                case WidgetOpenPage.viewer:
                  appMode = AppMode.view;
                  intentUri = settings.getWidgetUri(widgetId);
                case WidgetOpenPage.home:
                case WidgetOpenPage.updateWidget:
                  break;
              }
              unawaited(WidgetService.update(widgetId));
            }
          default:
            final extraRoute = intentData[IntentDataKeys.page] as String?;
            if (allowedShortcutRoutes.contains(extraRoute)) {
              _initialRouteName = extraRoute;
            }
        }

        if (_initialFilters == null) {
          final extraFilters = (intentData[IntentDataKeys.filters] as List?)?.cast<String>();
          _initialFilters = extraFilters?.map(CollectionFilter.fromJson).nonNulls.toSet();
        }

        _initialExplorerPath = intentData[IntentDataKeys.explorerPath] as String?;

        switch (appMode) {
          case AppMode.view:
          case AppMode.edit:
          case AppMode.setWallpaper:
            if (intentUri != null) {
              _viewerEntry = await _initViewerEntry(uri: intentUri, mimeType: intentMimeType);
            }
            error = _viewerEntry == null;
          default:
            break;
        }
      }

      if (error) {
        debugPrint('Failed to init app mode=$appMode for intent data=$intentData. Fallback to main mode.');
        appMode = AppMode.main;
      }

      context.read<ValueNotifier<AppMode>>().value = appMode;
      unawaited(reportService.setCustomKey('app_mode', appMode.toString()));

      switch (appMode) {
        case AppMode.main:
        case AppMode.pickCollectionFiltersExternal:
        case AppMode.pickSingleMediaExternal:
        case AppMode.pickMultipleMediaExternal:
          unawaited(GlobalSearch.registerCallback());
          unawaited(AnalysisService.registerCallback());

          final source = context.read<CollectionSource>();

          // cache DB?
          bool hasAnyCache = false;
          try {
            await localMediaDb.init();
            final rows = await localMediaDb.rawDb.rawQuery(
              'SELECT 1 FROM entry WHERE trashed=0 LIMIT 1',
            );
            hasAnyCache = rows.isNotEmpty;
          } catch (_) {}

          final bootstrapDone = await _isRemoteBootstrapDone();
          final bootstrap = !bootstrapDone;

          debugPrint('[BOOT] hasAnyCache=$hasAnyCache bootstrapDone=$bootstrapDone bootstrap=$bootstrap '
              'loadedScope=${source.loadedScope} state=${source.stateNotifier.value}');

          final loadTopEntriesFirst =
              settings.homeNavItem.route == CollectionPage.routeName &&
              settings.homeCustomCollection.isEmpty;

          final detach = _attachInitDebug(source, 'INIT');

          // INIT
          final swInit = Stopwatch()..start();
          debugPrint('[INIT] calling source.init(...) loadTopEntriesFirst=$loadTopEntriesFirst');
          await source.init(scope: CollectionSource.fullScope, loadTopEntriesFirst: loadTopEntriesFirst);
          swInit.stop();
          debugPrint('[INIT] source.init DONE in ${swInit.elapsedMilliseconds}ms all=${source.allEntries.length} vis=${source.visibleEntries.length}');

          // LOCAL-HYDRATE
          try {
            final curCount = source.visibleEntries.isNotEmpty ? source.visibleEntries.length : source.allEntries.length;
            if (curCount < 50) {
              final locals = await localMediaDb.loadEntries(origin: 0);
              debugPrint('[LOCAL-HYDRATE] db locals=${locals.length} curCount=$curCount');

              if (locals.isNotEmpty) {
                final existingUris = source.allEntries
                    .where((e) => e.origin == 0 && !e.trashed)
                    .map((e) => e.uri)
                    .whereType<String>()
                    .toSet();

                final toAdd = locals.where((e) {
                  if (e.trashed) return false;
                  if (!e.isDisplayable) return false;
                  final u = e.uri;
                  if (u == null || u.isEmpty) return true;
                  return !existingUris.contains(u);
                }).toSet();

                if (toAdd.isNotEmpty) {
                  source.addEntries(toAdd);
                  debugPrint('[LOCAL-HYDRATE] added=${toAdd.length}');
                } else {
                  debugPrint('[LOCAL-HYDRATE] nothing to add (duplicates/filtered)');
                }
              }
            }
          } catch (e, st) {
            debugPrint('[LOCAL-HYDRATE] error: $e\n$st');
          }

          Future.delayed(const Duration(seconds: 3), detach);

          // Remoti:
          if (await _isRemoteBootstrapDone()) {
            debugPrint('[REMOTE] append from DB (bootstrap done)');
            await source.appendRemoteEntriesFromDb();
          } else {
            debugPrint('[REMOTE] skip append from DB (bootstrap not done)');
          }

          // ✅ scheduling sync remoto:
          // - se bootstrap -> aspetta che i LOCALI siano READY, poi avvia bootstrap remoto
          // - se non bootstrap -> chiama pure (torna subito) oppure lascia com’è
          if (!_remoteSyncScheduled) {
            _remoteSyncScheduled = true;
            final sourceRef = source;

            if (bootstrap) {
              unawaited(() async {
                debugPrint('[remote-sync] bootstrap requested -> wait local READY first');
                await _waitSourceReady(sourceRef);
                debugPrint('[remote-sync] local READY -> start bootstrap remote');
                await _runRemoteSync(sourceRef, bootstrap: true);
              }());
            } else {
              unawaited(Future.microtask(() => _runRemoteSync(sourceRef, bootstrap: false)));
            }
          }

          break;

        case AppMode.screenSaver:
          await reportService.log('Initialize source to start screen saver');
          final source2 = context.read<CollectionSource>();
          source2.canAnalyze = false;
          await source2.init(scope: settings.screenSaverCollectionFilters);
          break;

        case AppMode.view:
          if (_isViewerSourceable(_viewerEntry) && _secureUris == null) {
            final directory = _viewerEntry?.directory;
            if (directory != null) {
              unawaited(AnalysisService.registerCallback());
              await reportService.log('Initialize source to view item in directory $directory');
              final source = context.read<CollectionSource>();
              source.canAnalyze = true;
              await source.init(scope: {StoredAlbumFilter(directory, null)});
            }
          } else {
            await _initViewerEssentials();
          }
          break;

        case AppMode.edit:
        case AppMode.setWallpaper:
          await _initViewerEssentials();
          break;

        default:
          break;
      }

      debugPrint('Home setup complete in ${stopwatch.elapsed.inMilliseconds}ms');

      unawaited(
        Navigator.maybeOf(context)?.pushAndRemoveUntil(
          await _getRedirectRoute(appMode),
          (route) => false,
        ),
      );
    } catch (error, stack) {
      debugPrint('failed to setup app with error=$error\n$stack');
      setState(() => _setupError = (error, stack));
    }
  }

  // ============================================================
  // === SYNC REMOTO (Step 2)
  // ============================================================
  Future<void> _runRemoteSync(CollectionSource source, {required bool bootstrap}) async {
    try {
      final rs = await _safeLoadRemoteSettings();
      if (!rs.enabled) {
        debugPrint('[remote-sync] disabled → skip');
        return;
      }

      if (!bootstrap) {
        debugPrint('[remote-sync] bootstrap already done -> skip full sync (until Step 3 delta/ws)');
        return;
      }

      _remoteSyncActive = true;

      final items = await _fetchAllRemoteItems();
      final total = items.length;
      final serverIds = items.map((e) => e.id).where((v) => v.isNotEmpty).toSet();

      RemoteSyncBus.instance.start(
        phase: 'Agg remoti…',
        total: total,
        showOverlay: bootstrap, // per punto 2, al bootstrap mostreremo anche contatore
      );


      final repo = RemoteRepository(localMediaDb.rawDb);
      await repo.deleteAllRemotes();

      const chunkSize = 200;
      int done = 0;

      for (var offset = 0; offset < total; offset += chunkSize) {
        final end = (offset + chunkSize < total) ? offset + chunkSize : total;
        final chunk = items.sublist(offset, end);

        await repo.upsertAll(chunk, chunkSize: chunkSize);

        done = end;
        RemoteSyncBus.instance.update(phase: 'Sync remoti…', done: done, total: total);
      }

      final pruned = await repo.pruneMissingRemotes(serverIds);
      debugPrint('[remote-sync] prune deleted=$pruned');

      // remoti compaiono ora (bootstrap completato)
      await source.appendRemoteEntriesFromDb();
      await _setRemoteBootstrapDone();

      RemoteSyncBus.instance.finish(phase: 'Remoti aggiornati');
    } catch (e, st) {
      debugPrint('[remote-sync] error: $e\n$st');
      RemoteSyncBus.instance.fail(e);
    } finally {
      _remoteSyncActive = false;
    }
  }

  Future<List<RemotePhotoItem>> _fetchAllRemoteItems() async {
    try {
      final rs = await _safeLoadRemoteSettings();
      if (!rs.enabled || rs.baseUrl.trim().isEmpty) {
        return <RemotePhotoItem>[];
      }

      RemoteAuth? auth;
      if (rs.email.isNotEmpty && rs.password.isNotEmpty) {
        auth = RemoteAuth(baseUrl: rs.baseUrl, email: rs.email, password: rs.password);
      }

      final client = RemoteJsonClient(rs.baseUrl, rs.indexPath, auth: auth);
      try {
        final items = await client.fetchAll();
        debugPrint('[remote-sync][fetch] fetched ${items.length} items');
        return items;
      } catch (e, st) {
        debugPrint('[remote-sync][fetch] client.fetchAll ERROR: $e\n$st');
        return <RemotePhotoItem>[];
      }
    } catch (e, st) {
      debugPrint('[remote-sync][fetch] ERROR: $e\n$st');
      return <RemotePhotoItem>[];
    }
  }

  Future<void> _initViewerEssentials() async {
    await localMediaDb.init();
  }

  bool _isViewerSourceable(AvesEntry? viewerEntry) {
    return viewerEntry != null &&
        viewerEntry.directory != null &&
        !settings.hiddenFilters.any((filter) => filter.test(viewerEntry));
  }

  Future<AvesEntry?> _initViewerEntry({required String uri, required String? mimeType}) async {
    if (uri.startsWith('/')) {
      uri = Uri.file(uri).toString();
    }
    final entry = await mediaFetchService.getEntry(uri, mimeType);
    if (entry != null) {
      await entry.catalog(background: false, force: false, persist: false);
    }
    return entry;
  }

  // === DEBUG: pagina test remoto con DB indipendente ===
  Future<void> _openRemoteTestPage(BuildContext context) async {
    if (_remoteTestOpen) return;
    if (_remoteSyncActive) {
      ScaffoldMessenger.of(context).showSnackBar(
        const SnackBar(content: Text('Attendi fine sync remoto in corso prima di aprire RemoteTest')),
      );
      return;
    }

    _remoteTestOpen = true;

    Database? debugDb;
    try {
      final dbDir = await getDatabasesPath();
      final dbPath = p.join(dbDir, 'metadata.db');

      debugDb = await openDatabase(
        dbPath,
        singleInstance: false,
        onConfigure: (db) async {
          await db.rawQuery('PRAGMA journal_mode=WAL');
          await db.rawQuery('PRAGMA foreign_keys=ON');
        },
      );
      if (!context.mounted) return;

      final rs = await _safeLoadRemoteSettings();
      final baseUrl = rs.baseUrl.isNotEmpty ? rs.baseUrl : RemoteSettings.defaultBaseUrl;

      await Navigator.of(context).push(MaterialPageRoute(
        builder: (_) => rtp.RemoteTestPage(
          db: debugDb!,
          baseUrl: baseUrl,
        ),
      ));
    } catch (e, st) {
      // ignore: avoid_print
      print('[RemoteTest] errore apertura DB/pagina: $e\n$st');
    } finally {
      try {
        await debugDb?.close();
      } catch (_) {}
      _remoteTestOpen = false;
    }
  }

  Future<Route> _getRedirectRoute(AppMode appMode) async {
    String routeName;
    Set<CollectionFilter?>? filters;

    switch (appMode) {
      case AppMode.setWallpaper:
        return DirectMaterialPageRoute(
          settings: const RouteSettings(name: WallpaperPage.routeName),
          builder: (_) => WallpaperPage(entry: _viewerEntry),
        );

      case AppMode.view:
        AvesEntry viewerEntry = _viewerEntry!;
        CollectionLens? collection;

        final source = context.read<CollectionSource>();
        final album = viewerEntry.directory;
        if (album != null) {
          final loadingCompleter = Completer();
          final stateNotifier = source.stateNotifier;
          void _onSourceStateChanged() {
            if (stateNotifier.value != SourceState.loading) {
              stateNotifier.removeListener(_onSourceStateChanged);
              loadingCompleter.complete();
            }
          }

          stateNotifier.addListener(_onSourceStateChanged);
          _onSourceStateChanged();
          await loadingCompleter.future;

          collection = CollectionLens(
            source: source,
            filters: {StoredAlbumFilter(album, source.getStoredAlbumDisplayName(context, album))},
            listenToSource: false,
            stackBursts: false,
          );

          final viewerEntryPath = viewerEntry.path;
          final collectionEntry =
              collection.sortedEntries.firstWhereOrNull((entry) => entry.path == viewerEntryPath);
          if (collectionEntry != null) {
            viewerEntry = collectionEntry;
          } else {
            collection = null;
          }
        }

        return DirectMaterialPageRoute(
          settings: const RouteSettings(name: EntryViewerPage.routeName),
          builder: (_) => EntryViewerPage(collection: collection, initialEntry: viewerEntry),
        );

      case AppMode.edit:
        return DirectMaterialPageRoute(
          settings: const RouteSettings(name: EntryViewerPage.routeName),
          builder: (_) => ImageEditorPage(entry: _viewerEntry!),
        );

      default:
        routeName = _initialRouteName ?? settings.homeNavItem.route;
        filters = _initialFilters ??
            (settings.homeNavItem.route == CollectionPage.routeName ? settings.homeCustomCollection : {});
    }

    Route buildRoute(WidgetBuilder builder) => DirectMaterialPageRoute(
          settings: RouteSettings(name: routeName),
          builder: builder,
        );

    final source = context.read<CollectionSource>();

    switch (routeName) {
      case AlbumListPage.routeName:
        return buildRoute((context) => const AlbumListPage(initialGroup: null));
      case TagListPage.routeName:
        return buildRoute((context) => const TagListPage(initialGroup: null));
      case MapPage.routeName:
        return buildRoute((context) {
          final mapCollection = CollectionLens(
            source: source,
            filters: {
              LocationFilter.located,
              if (filters != null) ...filters!,
            },
          );
          return MapPage(
            collection: mapCollection,
            initialLocation: _initialLocationZoom?.$1,
            initialZoom: _initialLocationZoom?.$2,
          );
        });
      case ExplorerPage.routeName:
        final path = _initialExplorerPath ?? settings.homeCustomExplorerPath;
        return buildRoute((context) => ExplorerPage(path: path));
      case HomeWidgetSettingsPage.routeName:
        return buildRoute((context) => HomeWidgetSettingsPage(widgetId: _widgetId!));
      case ScreenSaverPage.routeName:
        return buildRoute((context) => ScreenSaverPage(source: source));
      case ScreenSaverSettingsPage.routeName:
        return buildRoute((context) => const ScreenSaverSettingsPage());
      case SearchPage.routeName:
        return SearchPageRoute(
          delegate: CollectionSearchDelegate(
            searchFieldLabel: context.l10n.searchCollectionFieldHint,
            searchFieldStyle: Themes.searchFieldStyle(context),
            source: source,
            canPop: false,
            initialQuery: _initialSearchQuery,
          ),
        );
      case CollectionPage.routeName:
      default:
        return buildRoute((context) => CollectionPage(source: source, filters: filters));
    }
  }

  Future<RemoteSettings> _safeLoadRemoteSettings({Duration timeout = const Duration(seconds: 5)}) async {
    try {
      return await RemoteSettings.load().timeout(timeout);
    } catch (e) {
      debugPrint('[remote] RemoteSettings.load failed: $e — using defaults');
      return RemoteSettings(
        enabled: RemoteSettings.defaultEnabled,
        baseUrl: RemoteSettings.defaultBaseUrl,
        indexPath: RemoteSettings.defaultIndexPath,
        email: RemoteSettings.defaultEmail,
        password: RemoteSettings.defaultPassword,
      );
    }
  }

  Future<Map<String, String>> _safeHeaders({Duration timeout = const Duration(seconds: 6)}) async {
    try {
      return await RemoteHttp.headers().timeout(timeout);
    } catch (e) {
      debugPrint('[remote] RemoteHttp.headers failed: $e — returning empty headers');
      return const {};
    }
  }
}