import '../security/secret_store.dart';

/// Remembers whether the intro/onboarding carousel has been shown, so it only
/// appears on first launch. Backed by the OS keystore (via [SecretStore]) to
/// honour the "no plaintext at rest" rule — there is no shared_preferences here.
class OnboardingStore {
  OnboardingStore(this._store);

  final SecretStore _store;

  static const _introSeenKey = 'tane.intro_seen';
  static const _marketRulesKey = 'tane.market_rules_accepted';

  /// Whether the user has already seen (or skipped) the intro carousel.
  Future<bool> introSeen() async => await _store.read(_introSeenKey) == '1';

  /// Records that the intro has been shown; subsequent launches skip it.
  Future<void> markIntroSeen() => _store.write(_introSeenKey, '1');

  /// Whether the user has accepted the community rules that gate the market.
  /// Required once before joining the market or publishing anything (stores
  /// ask for terms acceptance before user content is created).
  Future<bool> marketRulesAccepted() async =>
      await _store.read(_marketRulesKey) == '1';

  /// Records the one-time acceptance of the community rules.
  Future<void> markMarketRulesAccepted() => _store.write(_marketRulesKey, '1');
}