import '../core/api_client.dart';

class InAppNotification {
  final String id;
  final String type;
  final String title;
  final String message;

  const InAppNotification({
    required this.id,
    required this.type,
    required this.title,
    required this.message,
  });

  factory InAppNotification.fromJson(Map<String, dynamic> json) =>
      InAppNotification(
        id: json['id']?.toString() ?? '',
        type: json['type']?.toString() ?? '',
        title: json['title']?.toString() ?? '健康提醒',
        message: json['message']?.toString() ?? '',
      );
}

class InAppNotificationService {
  final ApiClient _api;

  const InAppNotificationService(this._api);

  Future<List<InAppNotification>> getPending() async {
    final response = await _api.get('/api/notifications/pending');
    final items = response.data['data'] as List? ?? const [];
    return items
        .whereType<Map>()
        .map((item) => InAppNotification.fromJson(Map<String, dynamic>.from(item)))
        .where((item) => item.id.isNotEmpty)
        .toList();
  }

  Future<void> acknowledge(String id) async {
    await _api.post('/api/notifications/$id/acknowledge');
  }
}