import 'package:flutter_riverpod/flutter_riverpod.dart';

import '../../../app/error_message.dart';
import '../../../app/load_state.dart';
import '../../../models/auth_info.dart';
import '../../shared/providers/core_providers.dart';

final authInfoProvider =
    NotifierProvider<AuthInfoNotifier, LoadState<AuthInfo?>>(
      () => AuthInfoNotifier(),
    );

class AuthInfoNotifier extends Notifier<LoadState<AuthInfo?>> {
  @override
  LoadState<AuthInfo?> build() => const LoadState.idle(null);

  Future<AuthInfo?> load({bool failOnError = false}) async {
    state = LoadState.loading(state.data);
    try {
      final api = ref.read(apiProvider);
      final res = await api.getAuthMe();
      final authInfo = AuthInfo.fromApi(res.data);
      state = LoadState.data(authInfo);
      return authInfo;
    } catch (e) {
      state = LoadState.error(null, describeLoadError(e));
      if (failOnError) rethrow;
      return null;
    }
  }

  void clear() => state = const LoadState.idle(null);

  void restore(LoadState<AuthInfo?> restoredState) => state = restoredState;

  bool get isAdmin => state.data?.isAdmin == true;
}