Implement the Callbacks

extension ViewController: ACPaymentLinksDelegate {
  func onInitialized() {
    print("SDK initialization was successful.")
  }
  func onInitializeFailed(error: ACErrorMessage) {
    print("SDK initialization failed: \(error)")
  }
  func onPricePointsSuccess(pricePoints: PricePoints) {
    print("Price points were successfully retrieved: \(pricePoints)")
  }
  func onPricePointsFailed(error: ACErrorMessage) {
    print("Price points were not available: \(error)")
  }
  func onPurchaseSuccess(order: OrderResponseModel) {
    print("Purchase was successful: \(order.orderId)")
  }
  func onPurchaseFailed(error: ACErrorMessage, order: GameOrderResponse?) {
    print("Purchase failed: \(order.orderId ?? "No order ID found.")")
  }
}

@interface ViewController () <ACPaymentLinksDelegate>
@end
@implementation ViewController

- (void)onInitialized {
    NSLog(@"SDK initialization was successful.");
}

- (void)onInitializeFailedWithError:(ACErrorMessage *)error {
    NSLog(@"SDK initialization failed: %@", error);
}

- (void)onPricePointsSuccessWithPricePoints:(PricePoints *)pricePoints {
    NSLog(@"Price points were successfully retrieved: %@", pricePoints);
}

- (void)onPricePointsFailedWithError:(ACErrorMessage *)error {
    NSLog(@"Price points were not available: %@", error);
}

- (void)onPurchaseSuccessWithOrder:(OrderResponseModel *)order {
    NSLog(@"Purchase was successful: %@", order.orderId);
}

- (void)onPurchaseFailedWithError:(ACErrorMessage *)error order:(GameOrderResponse * _Nullable)order {
  NSLog(@"Purchase failed: %@", order.orderId ?: @"No order ID found.");
}
@end