import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'entitlement_state.dart';
import 'entitlement_storage.dart';
import 'feature_access_service.dart';

/// Provider for the physical entitlement storage contract.
/// Can be overridden in tests with [InMemoryEntitlementStorage].
final entitlementStorageProvider = Provider<EntitlementStorage>((ref) {
  return const SecureEntitlementStorage();
});

/// Authoritative entitlement state provider.
/// Defaults to [EntitlementState.free] until the billing coordinator or cache loader runs.
/// In Stage 4B-2, this will be wired to the billing lifecycle coordinator.
final entitlementProvider = StateProvider<EntitlementState>((ref) {
  return const EntitlementState.free();
});

/// Centralized provider for checking feature accessibility.
/// Consumers watch this provider and call [FeatureAccessService.canAccess].
final featureAccessProvider = Provider<FeatureAccessService>((ref) {
  final state = ref.watch(entitlementProvider);
  return FeatureAccessService(state);
});