import 'package:flutter_test/flutter_test.dart';
import 'package:in_app_purchase/in_app_purchase.dart';
import 'package:pluriwave/servicios/servicio_compras.dart';

/// Pure port-boundary tests (Design ADR-2 "keeps Strict TDD viable with zero
/// plugin channels in unit tests"): [eventoDesdeEstadoCompra] is the ONLY
/// piece of `ServicioComprasPlayBilling` that is unit-testable without a
/// real `in_app_purchase` platform channel — [ServicioComprasPlayBilling]
/// itself is the sole call site (Design ADR-2), exercised instead through
/// `EstadoEntitlement` + a fake `PuertoCompras`
/// (`estado_entitlement_test.dart`).
void main() {
  group('eventoDesdeEstadoCompra', () {
    test('purchased -> comprada', () {
      expect(
        eventoDesdeEstadoCompra(PurchaseStatus.purchased).tipo,
        TipoEventoCompra.comprada,
      );
    });

    test('restored -> restaurada', () {
      expect(
        eventoDesdeEstadoCompra(PurchaseStatus.restored).tipo,
        TipoEventoCompra.restaurada,
      );
    });

    test('canceled -> cancelada', () {
      expect(
        eventoDesdeEstadoCompra(PurchaseStatus.canceled).tipo,
        TipoEventoCompra.cancelada,
      );
    });

    test('pending -> pendiente', () {
      expect(
        eventoDesdeEstadoCompra(PurchaseStatus.pending).tipo,
        TipoEventoCompra.pendiente,
      );
    });

    test('error conserva el mensaje diagnostico', () {
      final evento = eventoDesdeEstadoCompra(
        PurchaseStatus.error,
        mensaje: 'BILLING_UNAVAILABLE',
      );

      expect(evento.tipo, TipoEventoCompra.error);
      expect(evento.mensaje, 'BILLING_UNAVAILABLE');
    });
  });

  test('idProducto es el identificador unico no-consumible', () {
    expect(ServicioComprasPlayBilling.idProducto, 'pluriwave_premium');
  });
}