package adapter;

/**
 * The Client — uses only the PaymentGateway interface.
 * It has no idea whether it's talking to Stripe, PayPal, or Braintree.
 * This is the point: the client is completely isolated from the vendor.
 */
public class OrderService {

    private final PaymentGateway gateway;

    // Receives a PaymentGateway — could be Stripe, PayPal, anything
    public OrderService(PaymentGateway gateway) {
        this.gateway = gateway;
    }

    public void processOrder(String orderId, String customerId, double total) {
        System.out.printf("%nProcessing order %s for customer %s, total: $%.2f%n",
                orderId, customerId, total);

        boolean charged = gateway.charge(customerId, total, "USD");

        if (charged) {
            System.out.println("Payment accepted. Order confirmed.");
            String status = gateway.getStatus("ch_" + orderId);
            System.out.println("Transaction status: " + status);
        } else {
            System.out.println("Payment failed. Order rejected.");
        }
    }
}