import 'package:dio/dio.dart';

import 'api_exception.dart';

String? kratosReason(Object e) {
  if (e is DioException || e is ApiException || e is FormatException) {
    return ApiException.from(e).reason;
  }
  return null;
}

String kratosDisplayMessage(Object e, {required String fallback}) {
  if (kratosReason(e) == 'INTERNAL_ERROR') return fallback;
  final exception = ApiException.from(e);
  if (exception.serverMessage case final message? when message.isNotEmpty) {
    return message;
  }
  return fallback;
}

abstract final class ErrorMessageMapper {
  static String message(Object error, {required String fallback}) =>
      kratosDisplayMessage(error, fallback: fallback);
}