import 'package:flutter_riverpod/flutter_riverpod.dart';

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

final apiKeysProvider =
    NotifierProvider<ApiKeysNotifier, LoadState<List<ApiKeyInfo>>>(
      () => ApiKeysNotifier(),
    );

class ApiKeysNotifier extends Notifier<LoadState<List<ApiKeyInfo>>> {
  @override
  LoadState<List<ApiKeyInfo>> build() => const LoadState.idle(<ApiKeyInfo>[]);

  Future<void> load() async {
    state = LoadState.loading(state.data);
    try {
      final api = ref.read(apiProvider);
      final res = await api.getApiKeys();
      final keys = ApiKeyInfo.listFromApi(res.data);

      state = keys.isEmpty ? LoadState.empty(keys) : LoadState.data(keys);
    } catch (e) {
      state = LoadState.error(state.data, describeLoadError(e));
    }
  }

  Future<String> create(String name, {bool isAdmin = false}) async {
    final api = ref.read(apiProvider);
    final res = await api.createApiKey(name, isAdmin: isAdmin);
    await load();
    if (res.data is Map) {
      final key = res.data['key']?.toString();
      if (key != null && key.isNotEmpty) {
        return key;
      }
    }
    throw const FormatException('backend не вернул созданный API key');
  }

  Future<void> revoke(String key) async {
    await ref.read(apiProvider).revokeApiKey(key);
    await load();
  }

  Future<void> activate(String key) async {
    await ref.read(apiProvider).activateApiKey(key);
    await load();
  }
}