⚙️ Core¶

final client = GraphQLClientService.getClient();

// Query
final result = await client.query(QueryOptions(
  document: gql(myQuery),
  variables: {'id': '123'},
));

// Token management
await GraphQLClientService.saveToken(token);
await GraphQLClientService.clearToken();
final hasSession = await GraphQLClientService.hasActiveSession();

// Configuración (default)
final breaker = CircuitBreaker(
  failureThreshold: 7,    // fallos antes de abrir
  successThreshold: 2,    // éxitos para cerrar
  timeout: Duration(seconds: 30),
);

final manager = CircuitBreakerManager(); // usa defaults

// Antes de cada petición
if (!manager.isAvailable('/api/users')) {
  throw Exception('Servicio no disponible');
}

// Después de cada respuesta
manager.recordSuccess('/api/users');
manager.recordFailure('/api/users');

final isConnected = await networkInfo.isConnected;

await secureStorage.write(key, value);
final value = await secureStorage.read(key);

await ProfileCacheStore.cacheProfile(user);
final cached = await ProfileCacheStore.getCachedProfile();

final gateway = PaymentGatewayFactory.create(
  type: PaymentGatewayType.onvoPay,
  config: PaymentGatewayConfiguration(publicKey: 'pk_...'),
);

final token = await gateway.tokenizeCard(...);
final result = await gateway.processPayment(amount: 50000, currency: Currency.crc);