import 'package:riverpod_annotation/riverpod_annotation.dart';
import 'package:shared_preferences/shared_preferences.dart';

part 'sync_progress_provider.g.dart';

/// Key for storing the sync-progress-for-cached-pages preference.
const String _syncProgressKey = 'sync_progress_for_cached_pages';

/// Provider for the "Sync progress for cached pages" setting.
///
/// When enabled, the app fires a GET request for each page turn so the OPDS
/// server (e.g. Kavita) can track reading progress even when images are served
/// from the local cache. This uses additional data.
@riverpod
class SyncProgressNotifier extends _$SyncProgressNotifier {
  @override
  bool build() {
    _load();
    return false; // Default: off (saves data)
  }

  Future<void> _load() async {
    final prefs = await SharedPreferences.getInstance();
    final stored = prefs.getBool(_syncProgressKey);
    if (stored != null) {
      state = stored;
    }
  }

  Future<void> setSyncProgress(bool enabled) async {
    state = enabled;
    final prefs = await SharedPreferences.getInstance();
    await prefs.setBool(_syncProgressKey, enabled);
  }
}