import 'package:logging/logging.dart';
import 'package:nc_photos/di_container.dart';
import 'package:np_codegen/np_codegen.dart';
import 'package:rxdart/rxdart.dart';

part 'pref_controller.g.dart';

@npLog
class PrefController {
  PrefController(this._c);

  ValueStream<int> get albumBrowserZoomLevel =>
      _albumBrowserZoomLevelController.stream;

  Future<void> setAlbumBrowserZoomLevel(int value) async {
    final backup = _albumBrowserZoomLevelController.value;
    _albumBrowserZoomLevelController.add(value);
    try {
      if (!await _c.pref.setAlbumBrowserZoomLevel(value)) {
        throw StateError("Unknown error");
      }
    } catch (e, stackTrace) {
      _log.severe("[setAlbumBrowserZoomLevel] Failed setting preference", e,
          stackTrace);
      _albumBrowserZoomLevelController
        ..addError(e, stackTrace)
        ..add(backup);
    }
  }

  ValueStream<int> get homeAlbumsSort => _homeAlbumsSortController.stream;

  Future<void> setHomeAlbumsSort(int value) async {
    final backup = _homeAlbumsSortController.value;
    _homeAlbumsSortController.add(value);
    try {
      if (!await _c.pref.setHomeAlbumsSort(value)) {
        throw StateError("Unknown error");
      }
    } catch (e, stackTrace) {
      _log.severe(
          "[setHomeAlbumsSort] Failed setting preference", e, stackTrace);
      _homeAlbumsSortController
        ..addError(e, stackTrace)
        ..add(backup);
    }
  }

  final DiContainer _c;
  late final _albumBrowserZoomLevelController =
      BehaviorSubject.seeded(_c.pref.getAlbumBrowserZoomLevelOr(0));
  late final _homeAlbumsSortController =
      BehaviorSubject.seeded(_c.pref.getHomeAlbumsSortOr(0));
}