halkyon/halkyon_learn_flutter/test/support/fake_review_gateway.dart

import 'package:halkyon_learn_flutter/src/feature/study/data/review_gateway.dart';

/// A [ReviewGateway] in memory; ids sort by creation, as UUID v7 ids do.
class FakeReviewGateway() implements ReviewGateway {
  var _nextId = 1;

  /// Every review stored, in order.
  final rows = <ReviewRow>[];

  @override
  Future<List<ReviewRow>> reviewsOf(Set<String> cardIds) async => [
    for (final row in rows)
      if (cardIds.contains(row.cardId)) row,
  ];

  @override
  Future<void> insert({
    required String cardId,
    required int rating,
    required DateTime reviewedAt,
    required int durationMs,
  }) async {
    rows.add((
      id: 'review-${(_nextId++).toString().padLeft(4, '0')}',
      cardId: cardId,
      rating: rating,
      reviewedAt: reviewedAt,
      durationMs: durationMs,
    ));
  }

  @override
  Stream<void> get remoteChanges => const Stream.empty();
}