//
//  KMApplePay.swift
//  PDF Reader Pro
//
//  Created by lizhe on 2024/11/13.
//

import Cocoa
import PassKit

class KMApplePay: NSObject,PKPaymentAuthorizationViewControllerDelegate {
    
    func startApplePayProcess(viewController: NSViewController) {
        // 1. 检查设备是否支持 Apple Pay
        guard PKPaymentAuthorizationViewController.canMakePayments() else {
            print("Apple Pay is not available on this device.")
            return
        }
        
        // 2. 设置支付请求
        let paymentRequest = PKPaymentRequest()
        paymentRequest.merchantIdentifier = "your.merchant.id" // 替换为你的商户 ID
        paymentRequest.supportedNetworks = [.visa, .masterCard, .amex]
        paymentRequest.merchantCapabilities = .capability3DS
        paymentRequest.countryCode = "US" // 设置你的国家代码
        paymentRequest.currencyCode = "USD" // 设置货币代码
        
        // 设置支付摘要项
        paymentRequest.paymentSummaryItems = [
            PKPaymentSummaryItem(label: "Product Name", amount: NSDecimalNumber(value: 10.00)),
            PKPaymentSummaryItem(label: "Total", amount: NSDecimalNumber(value: 10.00))
        ]
        
        // 3. 初始化并显示支付授权界面
        if let paymentVC = PKPaymentAuthorizationViewController(paymentRequest: paymentRequest) {
            paymentVC.delegate = self
            NSWindow.currentWindow().beginSheet(NSWindow(contentViewController: paymentVC)) { response in
                
            }
//            viewController.presentAsSheet(paymentVC) // 在 macOS 上以模态窗口方式展示
        } else {
            print("Unable to present Apple Pay authorization view controller.")
        }
    }
    
    // MARK: - PKPaymentAuthorizationViewControllerDelegate Methods
    
    // 用户授权后调用
    func paymentAuthorizationViewController(_ controller: PKPaymentAuthorizationViewController,
                                            didAuthorizePayment payment: PKPayment,
                                            handler completion: @escaping (PKPaymentAuthorizationResult) -> Void) {
        // 在此处处理支付（例如，向你的服务器发送支付数据）
        
        // 模拟成功的支付授权
        let status = PKPaymentAuthorizationStatus.success
        completion(PKPaymentAuthorizationResult(status: status, errors: nil))
    }
    
    // 用户取消支付时调用
    func paymentAuthorizationViewControllerDidFinish(_ controller: PKPaymentAuthorizationViewController) {
        controller.dismiss(nil) // 关闭支付界面
    }
    
    func paymentAuthorizationViewControllerWillAuthorizePayment(_ controller: PKPaymentAuthorizationViewController) {
        
    }
}