import 'package:freezed_annotation/freezed_annotation.dart';

part 'catalog_failure.freezed.dart';

/// Expected failures of catalog calls (Spec #3 § 5.2).
@freezed
sealed class CatalogFailure with _$CatalogFailure {
  /// No connection or timeout.
  const factory CatalogFailure.network() = CatalogNetworkFailure;

  /// The backend rejected the input (`P0001`). The app prevents this at input
  /// time, so it is a programming error.
  const factory CatalogFailure.invalidInput() = CatalogInvalidInputFailure;

  const factory CatalogFailure.unexpected() = CatalogUnexpectedFailure;
}