package adapter;

/**
 * The Adaptee — a third-party payment SDK with a completely different interface.
 * Imagine this is Stripe's actual SDK: you cannot modify this class,
 * and it doesn't implement PaymentGateway.
 *
 * In real projects, this would be a JAR you depend on.
 */
public class StripeClient {

    private final String apiKey;

    public StripeClient(String apiKey) {
        this.apiKey = apiKey;
        System.out.println("[Stripe] Initialized with key: " + apiKey.substring(0, 8) + "...");
    }

    // Stripe uses cents, not decimal amounts
    public StripeChargeResult createCharge(String customerId, long amountInCents, String currency) {
        System.out.printf("[Stripe] Charging customer=%s, amount=%d cents, currency=%s%n",
                customerId, amountInCents, currency);
        // Simulate success
        return new StripeChargeResult("ch_" + System.currentTimeMillis(), true, null);
    }

    // Stripe's refund method takes a charge ID and uses different naming
    public boolean issueRefund(String chargeId, long amountInCents) {
        System.out.printf("[Stripe] Refunding charge=%s, amount=%d cents%n", chargeId, amountInCents);
        return true;
    }

    // Stripe uses 'retrieve' not 'getStatus', and returns an object
    public StripeChargeResult retrieveCharge(String chargeId) {
        System.out.printf("[Stripe] Retrieving charge=%s%n", chargeId);
        return new StripeChargeResult(chargeId, true, "succeeded");
    }

    // Stripe-specific result object — nothing in common with your domain
    public static class StripeChargeResult {
        public final String chargeId;
        public final boolean success;
        public final String status;

        public StripeChargeResult(String chargeId, boolean success, String status) {
            this.chargeId = chargeId;
            this.success = success;
            this.status = status;
        }
    }
}