import 'package:dio/dio.dart';

String? kratosReason(Object e) {
  if (e is! DioException) return null;
  final body = e.response?.data;
  if (body is Map && body['reason'] is String) return body['reason'] as String;
  return null;
}

String kratosDisplayMessage(Object e, {required String fallback}) {
  if (kratosReason(e) == 'INTERNAL_ERROR') return fallback;
  if (e is DioException) {
    final body = e.response?.data;
    if (body is Map && body['message'] is String) {
      final m = body['message'] as String;
      if (m.isNotEmpty) return m;
    }
  }
  return fallback;
}