PDF_Office/PDF Office/PDF Master/Class/Purchase/DMG/DMGEmbeddedOldWC.swift

//
//  DMGEmbeddedOldWC.swift
//  PDF Reader Pro
//
//  Created by wanjun on 2024/8/29.
//

import Cocoa

#if VERSION_DMG
// paypal alipay wxpay paddle
//@objc enum KMPaymentType: UInt32 {
//    case paypal = 0
//    case paddle
//    case wxpay
//    case alipay
//}

class DMGEmbeddedOldWC: NSWindowController {
    
    @IBOutlet weak var mainBox: NSBox!
    
    @IBOutlet weak var yourOrderLabel: NSTextField!
    
    @IBOutlet weak var pdfReaderProLabel: NSTextField!
    @IBOutlet weak var prmiumLabel: NSTextField!
    @IBOutlet weak var oneLicenseLabel: NSTextField!
    @IBOutlet weak var removeButton1: NSButton! // 减少按钮1
    @IBOutlet weak var addButton1: NSButton! // 增加按钮1
    @IBOutlet weak var amountTextField1: NSTextField! // 数目1
    @IBOutlet weak var originalPriceLabel1: NSTextField! // 原价
    @IBOutlet weak var discountPriceLabel1: NSTextField! // 折扣
    
    @IBOutlet weak var aiAddOnView: NSView!
    @IBOutlet weak var aiAddOnButton: NSButton!
    @IBOutlet weak var aiAddOnLabel: NSTextField!
    @IBOutlet weak var IndividualLabel: NSTextField!
    @IBOutlet weak var removeButton2: NSButton! // 减少按钮2
    @IBOutlet weak var addButton2: NSButton! // 增加按钮2
    @IBOutlet weak var amountTextField2: NSTextField! // 数目2
    @IBOutlet weak var amountView2: NSView!
    @IBOutlet weak var originalPriceLabel2: NSTextField! // 原价
    @IBOutlet weak var discountPriceLabel2: NSTextField! // 折扣
    @IBOutlet weak var aiAddOnButton1: NSButton!
    
    @IBOutlet weak var extendedView: NSView!
    @IBOutlet weak var extendedButton: NSButton!
    @IBOutlet weak var extendedLabel: NSTextField!
    @IBOutlet weak var extendedImageView: NSImageView!
    @IBOutlet weak var accessLabel: NSTextField!
    @IBOutlet weak var removeButton3: NSButton! // 减少按钮3
    @IBOutlet weak var addButton3: NSButton! // 增加按钮3
    @IBOutlet weak var amountTextField3: NSTextField! // 数目3
    @IBOutlet weak var amountView3: NSView!
    @IBOutlet weak var originalPriceLabel3: NSTextField! // 原价
    @IBOutlet weak var discountPriceLabel3: NSTextField! // 折扣
    @IBOutlet weak var extendedButton1: NSButton!
    
    @IBOutlet weak var couponView: NSView!
    @IBOutlet weak var couponButton: NSButton!
    @IBOutlet weak var couponBox: NSBox!
    @IBOutlet weak var coupomTextField: NSTextField!
    @IBOutlet weak var couponClearButton: NSButton!
    @IBOutlet weak var applyBox: NSBox!
    @IBOutlet weak var applyButton: NSButton!
    @IBOutlet weak var coupomErrorLabel: NSTextField!
    @IBOutlet weak var coupomErrorTopLayout: NSLayoutConstraint!
    
    @IBOutlet weak var lastPriceLabel: NSTextField!
    @IBOutlet weak var lastPriceLabel1: NSTextField!
    @IBOutlet weak var discountView: NSView!
    @IBOutlet weak var discountLabel: NSTextField!
    @IBOutlet weak var discountLabel1: NSTextField!
    @IBOutlet weak var paySumLabel: NSTextField!
    @IBOutlet weak var paySumLabel1: NSTextField!
    @IBOutlet weak var discountLayoutConstraint: NSLayoutConstraint!
    
    @IBOutlet weak var privacyLabel: NSTextField!
    
    @IBOutlet weak var billInformationLabel: NSTextField!
    
    @IBOutlet weak var licenseCodeView: NSView!
    @IBOutlet weak var licenseCodeLabel: NSTextField!
    @IBOutlet weak var licenseCodeBox: NSBox!
    @IBOutlet weak var licenseCodeTextField: NSTextField!
    @IBOutlet weak var notFoundButton: NSButton!
    @IBOutlet weak var licenseCodeTopLayout: NSLayoutConstraint!
    @IBOutlet weak var licenseCodeErrorView: NSView!
    @IBOutlet weak var licenseCodeErrorLabel: NSTextField!
    @IBOutlet weak var licenseCodeErrorTopLayout: NSLayoutConstraint!
    
    @IBOutlet weak var emailLabel: NSTextField!
    @IBOutlet weak var emailTextField: NSTextField!
    @IBOutlet weak var emailBox: NSBox!
    @IBOutlet weak var errorView: NSView!
    @IBOutlet weak var errorLabel: NSTextField!
    @IBOutlet weak var errorLabelTopLayout: NSLayoutConstraint!
    
    @IBOutlet weak var paymentMethodLabel: NSTextField!
    @IBOutlet weak var paypalButton: NSButton!
    @IBOutlet weak var cardButton: NSButton!
    @IBOutlet weak var wechatPayButton: NSButton!
    @IBOutlet weak var alipayButton: NSButton!
    @IBOutlet weak var wechatPayButton2: NSButton!
    
    @IBOutlet weak var payBox: NSBox!
    @IBOutlet weak var payBoxHeight: NSLayoutConstraint!
    @IBOutlet weak var payExplainLabel: NSTextField!
    
    @IBOutlet var paypalView: NSView!
    @IBOutlet weak var paypalBox: NSBox!
    @IBOutlet weak var paypalBuyNowLabel: NSTextField!
    
    @IBOutlet var cardView: NSView!
    @IBOutlet var paddleView: NSView!
    @IBOutlet weak var paddleButton: NSButton!
    @IBOutlet weak var paddlePopUpButton: KMPopUpButton!
    @IBOutlet weak var paddleBox: NSBox!
    @IBOutlet weak var paddleTextField: NSTextField!
    
    @IBOutlet var weChatPayView: NSView!
    @IBOutlet weak var weChatBox: NSBox!
    @IBOutlet weak var weChatButton: NSButton!
    
    @IBOutlet var payResult: NSView!
    @IBOutlet weak var scanLabel: NSTextField!
    @IBOutlet weak var qrCodeImageView: NSImageView!
    @IBOutlet weak var payTypeImageView: NSImageView!
    @IBOutlet weak var successfullyView: NSView!
    @IBOutlet weak var purchasedLabel: NSTextField!
    @IBOutlet weak var successfullyLabel: NSTextField!
    @IBOutlet weak var imageBottomLayout: NSLayoutConstraint!
    @IBOutlet weak var image2BottomLayout: NSLayoutConstraint!

    private var pdfCount: Int = 1
    private var _paymentMethod: KMPaymentType = .paypal
    private var _productType: ProductType = .ipaConvert
    private var productID: String = "com.brother.pdfreaderpro.mac.product_2"
    private var originalProductID: String = "com.brother.pdfreaderpro.mac.product_1"
    var couponCode: String = "" //优惠卷
    private var discountAmount: String = "" // 优惠金额
    private var discountScale: String = "" // 优惠比例
    private var orderID: String = "" // 订单ID
    
    private var timer: Timer?
    private var pollCount = 0
    private let maxPolls = 18
    private let interval: TimeInterval = 5.0

    private var _activityAlertViewController: KMActivityALertViewController?

    private let countryKeys = [
        "Afghanistan", "Aland Islands", "Albania", "Algeria", "American Samoa",
        "Andorra", "Angola", "Anguilla", "Antigua and Barbuda", "Argentina",
        "Armenia", "Aruba", "Australia", "Austria", "Azerbaijan", "Bahamas",
        "Bahrain", "Bangladesh", "Barbados", "Belarus", "Belgium", "Belize",
        "Benin", "Bermuda", "Bhutan", "Bolivia", "Bonaire, Sint Eustatius and Saba",
        "Bosnia and Herzegovina", "Botswana", "Bouvet Island", "Brazil",
        "Brit. Indian Ocean", "British Virgin Islands", "Brunei Darussalam", "Bulgaria",
        "Burkina Faso", "Burundi", "Cambodia", "Cameroon", "Canada", "Cape Verde",
        "Cayman Islands", "Central African Republic", "Chad", "Chile", "China",
        "Christmas Island", "Cocos Islands", "Colombia", "Comoros", "Congo",
        "Cook Islands", "Costa Rica", "Cote D'Ivoire", "Croatia", "Curaçao", "Cyprus",
        "Czech Republic", "Denmark", "Djibouti", "Dominica", "Dominican Republic",
        "Ecuador", "Egypt", "El Salvador", "Equatorial Guinea", "Eritrea", "Estonia",
        "Ethiopia", "Falkland Islands", "Faroe Islands", "Fiji", "Finland", "France",
        "French Guiana", "French Polynesia", "French Southern Terr.", "Gabon", "Gambia",
        "Georgia", "Germany", "Ghana", "Gibraltar", "Greece", "Greenland", "Grenada",
        "Guadeloupe", "Guam", "Guatemala", "Guernsey", "Guinea", "Guinea-Bissau",
        "Guyana", "Haiti", "Heard/ Mcdonald Islands", "Holy See/ Vatican City", "Honduras",
        "Hong Kong", "Hungary", "Iceland", "India", "Indonesia", "Iraq", "Ireland",
        "Isle of Man", "Israel", "Italy", "Jamaica", "Japan", "Jersey", "Jordan",
        "Kazakhstan", "Kenya", "Kiribati", "Kuwait", "Kyrgyzstan", "Lao People's DR",
        "Latvia", "Lebanon", "Lesotho", "Liberia", "Libyan Arab Jamahiriya", "Liechtenstein",
        "Lithuania", "Luxembourg", "Macao", "Macedonia", "Madagascar", "Malawi",
        "Malaysia", "Maldives", "Mali", "Malta", "Marshall Islands", "Martinique",
        "Mauritania", "Mauritius", "Mayotte", "Mexico", "Micronesia", "Moldova",
        "Monaco", "Mongolia", "Montenegro", "Montserrat", "Morocco", "Mozambique",
        "Myanmar", "Namibia", "Nauru", "Nepal", "Netherlands", "Netherlands Antilles",
        "New Caledonia", "New Zealand", "Nicaragua", "Niger", "Nigeria", "Niue",
        "Norfolk Island", "Northern Mariana Islands", "Norway", "Oman", "Pakistan",
        "Palau", "Palestinian Territory", "Panama", "Papua New Guinea", "Paraguay",
        "Peru", "Philippines", "Pitcairn", "Poland", "Portugal", "Puerto Rico", "Qatar",
        "Republic of Serbia", "Reunion", "Romania", "Russian Federation", "Rwanda",
        "S. Georgia/ Sandwich Islands", "Saint Helena", "Saint Kitts and Nevis",
        "Saint Lucia", "Saint Martin", "Saint Pierre and Miquelon", "Saint Vincent/ Grenadines",
        "Samoa", "San Marino", "Sao Tome and Principe", "Saudi Arabia", "Senegal",
        "Seychelles", "Sierra Leone", "Singapore", "Slovakia", "Slovenia", "Solomon Islands",
        "Somalia", "South Africa", "South Korea", "Spain", "Sri Lanka", "Sudan",
        "Suriname", "Svalbard and Jan Mayen", "Swaziland", "Sweden", "Switzerland", "Taiwan",
        "Tajikistan", "Tanzania", "Thailand", "Timor-Leste", "Togo", "Tokelau", "Tonga",
        "Trinidad and Tobago", "Tunisia", "Turkey", "Turkmenistan", "Turks and Caicos Islands",
        "Tuvalu", "U.S. Virgin Islands", "Uganda", "Ukraine", "United Arab Emirates",
        "United Kingdom", "United States", "United States (M.O.I.)", "Uruguay", "Uzbekistan",
        "Vanuatu", "Venezuela", "Viet Nam", "Wallis and Futuna", "Western Sahara", "Yemen",
        "Zambia", "Zimbabwe"
    ]
    private let countryAbbreviationValues = [
        "AF", "AX", "AL", "DZ", "AS", "AD", "AO", "AI", "AG", "AR", "AM", "AW", "AU", "AT", "AZ", "BS", "BH", "BD", "BB",
        "BY", "BE", "BZ", "BJ", "BM", "BT", "BO", "BQ", "BA", "BW", "BV", "BR", "IO", "VG", "BN", "BG", "BF", "BI", "KH",
        "CM", "CA", "CV", "KY", "CF", "TD", "CL", "CN", "CX", "CC", "CO", "KM", "CG", "CK", "CR", "CI", "HR", "CW", "CY",
        "CZ", "DK", "DJ", "DM", "DO", "EC", "EG", "SV", "GQ", "ER", "EE", "ET", "FK", "FO", "FJ", "FI", "FR", "GF", "PF",
        "TF", "GA", "GM", "GE", "DE", "GH", "GI", "GR", "GL", "GD", "GP", "GU", "GT", "GG", "GN", "GW", "GY", "HT", "HM",
        "VA", "HN", "HK", "HU", "IS", "IN", "ID", "IQ", "IE", "IM", "IL", "IT", "JM", "JP", "JE", "JO", "KZ", "KE", "KI",
        "KW", "KG", "LA", "LV", "LB", "LS", "LR", "LY", "LI", "LT", "LU", "MO", "MK", "MG", "MW", "MY", "MV", "ML", "MT",
        "MH", "MQ", "MR", "MU", "YT", "MX", "FM", "MD", "MC", "MN", "ME", "MS", "MA", "MZ", "MM", "NA", "NR", "NP", "NL",
        "AN", "NC", "NZ", "NI", "NE", "NG", "NU", "NF", "MP", "NO", "OM", "PK", "PW", "PS", "PA", "PG", "PY", "PE", "PH",
        "PN", "PL", "PT", "PR", "QA", "RS", "RE", "RO", "RU", "RW", "GS", "SH", "KN", "LC", "MF", "PM", "VC", "WS", "SM",
        "ST", "SA", "SN", "SC", "SL", "SG", "SK", "SI", "SB", "SO", "ZA", "KR", "ES", "LK", "SD", "SR", "SJ", "SZ", "SE",
        "CH", "TW", "TJ", "TZ", "TH", "TL", "TG", "TK", "TO", "TT", "TN", "TR", "TM", "TC", "TV", "VI", "UG", "UA", "AE",
        "GB", "US", "UM", "UY", "UZ", "VU", "VE", "VN", "WF", "EH", "YE", "ZM", "ZW"
    ]
    private var handler: ((Int) -> Void)!
    static var currentWindowController: DMGEmbeddedOldWC!
    private var embeddedPaymentPopWC: KMEmbeddedPaymentPopWC?
    private var successfulPaymentsNumber = 0
    private var license1 = ""
    private var licenseAI1 = ""
    private var isApplyCoupon: Bool = false

    @objc static func currentFirstTrialWC(_ productId: String) -> DMGEmbeddedOldWC {
        if currentWindowController != nil {
            currentWindowController.productID = productId
            return currentWindowController
        } else {
            let configWC: DMGEmbeddedOldWC = DMGEmbeddedOldWC.init(windowNibName: "DMGEmbeddedOldWC")
            currentWindowController = configWC;
            currentWindowController.productID = productId
            return currentWindowController
        }
     }

    override func windowDidLoad() {
        super.windowDidLoad()

        // Implement this method to handle any initialization after your window controller's window has been loaded from its nib file.
        window?.title = ""
        window?.makeFirstResponder(nil)
        
        productType = self.productToType(productID)
        originalProductID = productID
        
        xibInitialization()
        paymentMethod = .paypal
        priceRefresh()
        
        confirmPayment(isConfirm: false)
        if productID == "com.brother.pdfreaderpro.mac.product_2" {
            confirmPayment(isConfirm: true)
        }
        self.window?.delegate = self;
    }
    
    override func close() {
        super.close()
        
        self.clearEventData()
    }
    
    // MARK: UI
    
    private func xibInitialization() -> Void {
        yourOrderLabel.stringValue = NSLocalizedString("Your Order", comment: "")
        yourOrderLabel.textColor = NSColor(named: "KMPurchaseTitleColor")
        yourOrderLabel.font = NSFont.SFProTextBoldFont(20.0)
        
        pdfReaderProLabel.textColor = NSColor(named: "KMPurchaseTitleColor")
        pdfReaderProLabel.font = NSFont.SFProTextRegularFont(14.0)
        prmiumLabel.textColor = NSColor(named: "KMPurchaseSubTitleColor")
        prmiumLabel.font = NSFont.SFProTextRegularFont(12.0)
        oneLicenseLabel.textColor = NSColor(named: "KMPurchaseSubTitleColor")
        oneLicenseLabel.font = NSFont.SFProTextRegularFont(12.0)
        originalPriceLabel1.textColor = NSColor(named: "KMPurchaseTitleColor")
        originalPriceLabel1.font = NSFont.SFProTextRegularFont(16.0)
        discountPriceLabel1.textColor = NSColor(named: "KMPurchaseDiscountColor")
        discountPriceLabel1.font = NSFont.SFProTextRegularFont(9.0)
        refreshLicenseCodeView(isReveal: false)
        if productType == .ipaConvert || productType == .ipaAI {
            aiAddOnView.isHidden = true
            extendedView.isHidden = true
            
            if productType == .ipaConvert {
                pdfReaderProLabel.stringValue = NSLocalizedString("PDF to Office", comment: "")
                prmiumLabel.stringValue = NSLocalizedString("Export PDF to Word(.docx), Excel (.xlsx), PowerPoint(.pptx)", comment: "")
                oneLicenseLabel.stringValue = NSLocalizedString("and more offline. It's one time purchase.", comment: "")
                licenseCodeLabel.stringValue = NSLocalizedString("License Code", comment: "")
                licenseCodeLabel.textColor = NSColor(named: "KMPurchaseTitleColor1")
                licenseCodeLabel.font = NSFont.SFProTextRegularFont(14.0)
                licenseCodeTextField.placeholderString = NSLocalizedString("Input license code previously activated the app", comment: "")
                licenseCodeTextField.delegate = self
                licenseCodeBox.borderColor = NSColor(named: "KMPurchase_DADBDE")!
                licenseCodeBox.fillColor = NSColor(named: "KMPurchase_FFFFFF")!
                notFoundButton.title = NSLocalizedString("Not Found?", comment: "")
                notFoundButton.setTitleColor(color: NSColor(named: "KMPurchaseCouponColor")!, font: NSFont(name: "body-s-regular", size: 14))
                licenseCodeTextField.stringValue = VerificationManager.default().originLicenseCode ?? ""
                refreshLicenseCodeView(isReveal: true)
                licenseCodeErrorLabel.stringValue = NSLocalizedString("Please enter right license code. How to Retrieve License.", comment: "")
                licenseCodeErrorLabel.textColor = NSColor(named: "KMPurchaseErrorColor")
                licenseCodeErrorLabel.font = NSFont.SFProTextRegularFont(11.0)
                refreshLicenseCodeErrorView(isReveal: false)
            } else if productType == .ipaAI {
                pdfReaderProLabel.stringValue = NSLocalizedString("PDF Reader Pro AI Tools", comment: "")
                prmiumLabel.stringValue = NSLocalizedString("50 credits for 30 days", comment: "")
                oneLicenseLabel.stringValue = NSLocalizedString("Manually renew at USD 14.99", comment: "")
            }
        } else {
            pdfReaderProLabel.stringValue = NSLocalizedString("PDF Reader Pro for Mac", comment: "")
            if productToType(originalProductID) == .ipaPremium {
                prmiumLabel.stringValue = NSLocalizedString("Premium", comment: "")
                oneLicenseLabel.stringValue = NSLocalizedString("One license for one device. One time purchase.", comment: "")
            } else if productToType(originalProductID) == .ipaPermanent {
                prmiumLabel.stringValue = NSLocalizedString("Permanent version (with PDF to Office Pack)", comment: "")
                oneLicenseLabel.stringValue = NSLocalizedString("One license for one device. One time purchase.", comment: "")
            }
            aiAddOnButton.image = NSImage(named: "EmbeddedPayment06")
            aiAddOnLabel.stringValue = NSLocalizedString("AI Add-on", comment: "")
            aiAddOnLabel.textColor = NSColor(named: "KMPurchaseTitleColor")
            aiAddOnLabel.font = NSFont.SFProTextRegularFont(14.0)
            IndividualLabel.stringValue = NSLocalizedString("Individual monthly plan. Manually renew.", comment: "")
            IndividualLabel.textColor = NSColor(named: "KMPurchaseSubTitleColor")
            IndividualLabel.font = NSFont.SFProTextRegularFont(12.0)
            originalPriceLabel2.textColor = NSColor(named: "KMPurchaseTitleColor")
            originalPriceLabel2.font = NSFont.SFProTextRegularFont(16.0)
            discountPriceLabel2.textColor = NSColor(named: "KMPurchaseDiscountColor")
            discountPriceLabel2.font = NSFont.SFProTextRegularFont(9.0)
            
            if originalProductID == "com.brother.pdfreaderpro.mac.product_3" {
                extendedLabel.stringValue = NSLocalizedString("Extended Device Access", comment: "")
                accessLabel.stringValue = NSLocalizedString("Get access to your plan on up to 2 devices.", comment: "")
                extendedImageView.isHidden = false
            } else {
                extendedLabel.stringValue = NSLocalizedString("PDF to Office Pack", comment: "")
                accessLabel.stringValue = NSLocalizedString("One time purchase", comment: "")
                extendedImageView.isHidden = true
            }
            extendedButton.image = NSImage(named: "EmbeddedPayment06")
            extendedLabel.textColor = NSColor(named: "KMPurchaseTitleColor")
            extendedLabel.font = NSFont.SFProTextRegularFont(14.0)
            accessLabel.textColor = NSColor(named: "KMPurchaseSubTitleColor")
            accessLabel.font = NSFont.SFProTextRegularFont(12.0)
            originalPriceLabel3.textColor = NSColor(named: "KMPurchaseTitleColor")
            originalPriceLabel3.font = NSFont.SFProTextRegularFont(16.0)
            discountPriceLabel3.textColor = NSColor(named: "KMPurchaseDiscountColor")
            discountPriceLabel3.font = NSFont.SFProTextRegularFont(9.0)
        }
        removeButton1.isEnabled = false
        amountTextField1.delegate = self
        amountTextField2.isEditable = false
        amountTextField3.isEditable = false
        amountView2.isHidden = true
        amountView3.isHidden = true

        couponButton.title = NSLocalizedString("I have a coupon?", comment: "")
        couponButton.setTitleColor(color: NSColor(named: "KMPurchaseCouponColor")!, font: NSFont.SFProTextRegularFont(14))
        coupomTextField.placeholderString = NSLocalizedString("Please enter a coupon code.", comment: "")
        applyButton.title = NSLocalizedString("Apply", comment: "")
        applyButton.setTitleColor(color: NSColor(named: "KMPurchaseApplyColor") ?? NSColor.black, font: NSFont.SFProTextRegularFont(13))
        if couponCode.count > 0 {
            coupomTextField.stringValue = couponCode
            couponButton.isHidden = true
            couponBox.isHidden = false
            couponClearButton.isHidden = false
            applyBox.isHidden = false
        } else {
            couponButton.isHidden = false
            couponBox.isHidden = true
            couponClearButton.isHidden = true
            applyBox.isHidden = true
        }
        couponBox.borderColor = NSColor(named: "KMPurchaseCouponBoxColor") ?? NSColor.gray
        couponBox.fillColor = NSColor(named: "KMPurchaseCouponBoxFillColor") ?? NSColor.gray
        applyBox.borderColor = NSColor(named: "KMPurchaseApplyColor") ?? NSColor.black
        coupomErrorLabel.textColor = NSColor(named: "KMPurchaseErrorColor")
        coupomErrorLabel.font = NSFont.SFProTextRegularFont(11.0)
        refreshCouponError(isReveal: false)
        
        lastPriceLabel.stringValue = NSLocalizedString("List Price", comment: "")
        lastPriceLabel.textColor = NSColor(named: "KMPurchaseListPriceColor")
        lastPriceLabel.font = NSFont.SFProTextRegularFont(16.0)
        discountLabel.stringValue = NSLocalizedString("Discount", comment: "")
        discountLabel.textColor = NSColor(named: "KMPurchaseListPriceColor")
        discountLabel.font = NSFont.SFProTextRegularFont(16.0)
        paySumLabel.stringValue = NSLocalizedString("Pay sum", comment: "")
        paySumLabel.textColor = NSColor(named: "KMPurchaseTitleColor1")
        paySumLabel.font = NSFont.SFProTextBoldFont(24.0)
        paySumLabel1.textColor = NSColor(named: "KMPurchaseCouponColor")
        paySumLabel1.font = NSFont.SFProTextBoldFont(24.0)
        
        privacyLabel.isEditable = false
        privacyLabel.isSelectable = true
        privacyLabel.allowsEditingTextAttributes = true
        privacyLabel.textColor = NSColor.black
        privacyLabel.font = NSFont.SFProTextRegularFont(16.0)
        let tipsString = NSLocalizedString("Are you a student or a professor? %@ / Want a volume purchase? Please %@.", comment: "")
        let specialOffer = NSLocalizedString("Get Special Offer", comment: "")
        let contactsUs = NSLocalizedString("Contact Us", comment: "")
        let fullString = String(format: tipsString, specialOffer, contactsUs)
        let attributedString = NSMutableAttributedString(string: fullString)
        // 定义链接的范围
        let specialOfferRange = (fullString as NSString).range(of: specialOffer)
        let contactsUsRange = (fullString as NSString).range(of: contactsUs)
        let linkColor = NSColor(red: 73/255.0, green: 130/255.0, blue: 230/255.0, alpha: 1.0)
        let font = NSFont.SFProTextRegularFont(16.0) // 与普通文本相同的字体
        attributedString.addAttributes([
            .foregroundColor: NSColor(named: "KMPurchase_99A6B2") as Any,
            .font: font
        ], range: (fullString as NSString).range(of: fullString))
        attributedString.addAttributes([
            .foregroundColor: linkColor,
            .link: NSLocalizedString("https://www.pdfreaderpro.com/store?mode=edu", comment: ""),
            .font: font
        ], range: specialOfferRange)
        attributedString.addAttributes([
            .foregroundColor: linkColor,
            .link: NSLocalizedString("https://www.pdfreaderpro.com/vpp-purchase-program", comment: ""),
            .font: font
        ], range: contactsUsRange)
        privacyLabel.attributedStringValue = attributedString

        billInformationLabel.stringValue = NSLocalizedString("Billing Information", comment: "")
        billInformationLabel.textColor = NSColor(named: "KMPurchaseTitleColor1")
        billInformationLabel.font = NSFont.SFProTextRegularFont(14.0)
        emailLabel.stringValue = NSLocalizedString("Email", comment: "")
        emailLabel.textColor = NSColor(named: "KMPurchaseTitleColor1")
        emailLabel.font = NSFont.SFProTextRegularFont(14.0)
        emailTextField.placeholderString = NSLocalizedString("Email to receive license code", comment: "")
        emailBox.borderColor = NSColor(named: "KMPurchase_DADBDE")!
//        emailBox.fillColor = NSColor(named: "KMPurchase_FFFFFF")!
        errorLabel.stringValue = NSLocalizedString("Please enter your email for license receiving.", comment: "")
        if VerificationManager.default().email != nil {
            var emailString = ""
            if let email = VerificationManager.default().email, email.count > 0 {
                emailString = email
            } else {
                if let subscriptionEmail = VerificationManager.default().subscriptionEmail, subscriptionEmail.count > 0 {
                    emailString = subscriptionEmail
                }
            }
            emailTextField.stringValue = emailString
        }
        emailTextField.delegate = self
        errorLabel.textColor = NSColor(named: "KMPurchaseErrorColor")
        errorLabel.font = NSFont.SFProTextRegularFont(11.0)

        paymentMethodLabel.stringValue = NSLocalizedString("Payment Method", comment: "")
        paymentMethodLabel.textColor = NSColor(named: "KMPurchaseTitleColor1")
        paymentMethodLabel.font = NSFont.SFProTextRegularFont(14.0)
        wechatPayButton2.isHidden = true
        
        payExplainLabel.isEditable = false
        payExplainLabel.isSelectable = true
        payExplainLabel.allowsEditingTextAttributes = true
        payExplainLabel.textColor = NSColor.black
        payExplainLabel.font = NSFont.SFProTextRegularFont(11.0)
        let localizedString = NSLocalizedString("By submitting this order, I agree to the %@ and %@ for subscription products", comment: "")
        let privacyPolicy = NSLocalizedString("Privacy Policy", comment: "")
        let termsOfService = NSLocalizedString("Terms of Service", comment: "")
        let fullString1 = String(format: localizedString, privacyPolicy, termsOfService)
        let attributedString1 = NSMutableAttributedString(string: fullString1)
        let privacyPolicyRange = (fullString1 as NSString).range(of: privacyPolicy)
        let termsOfServiceRange = (fullString1 as NSString).range(of: termsOfService)
        let linkColor1 = NSColor(red: 73/255.0, green: 130/255.0, blue: 230/255.0, alpha: 1.0)
        let font1 = NSFont.SFProTextRegularFont(11.0) // 与普通文本相同的字体
        attributedString1.addAttributes([
            .foregroundColor: NSColor(named: "KMPurchase_99A6B2") as Any,
            .font: font1
        ], range: (fullString1 as NSString).range(of: fullString1))
        attributedString1.addAttributes([
            .foregroundColor: linkColor1,
            .link: NSLocalizedString("https://www.pdfreaderpro.com/privacy-policy", comment: ""),
            .font: font1
        ], range: privacyPolicyRange)
        attributedString1.addAttributes([
            .foregroundColor: linkColor1,
            .link: NSLocalizedString("https://www.pdfreaderpro.com/terms_of_service", comment: ""),
            .font: font1
        ], range: termsOfServiceRange)
        payExplainLabel.attributedStringValue = attributedString1
        
        paypalBuyNowLabel.stringValue = NSLocalizedString("Buy Now", comment: "")
        paypalBuyNowLabel.textColor = NSColor.white
        paypalBuyNowLabel.font = NSFont.SFProTextBoldFont(16.0)
        
        paddleButton.title = NSLocalizedString("Continue to Pay", comment: "")
        paddleButton.setTitleColor(color: NSColor.white, font: NSFont.SFProTextBoldFont(16))
        paddlePopUpButton.type = .arrowDown
        paddlePopUpButton.removeAllItems()
        paddlePopUpButton.addItems(withTitles: countryKeys)
        let preferredLanguage = Locale.preferredLanguages.first ?? "en"
        if preferredLanguage.hasPrefix("zh-Hans") || preferredLanguage.hasPrefix("zh-Hant") {
            paddlePopUpButton.selectItem(at: 45)
        } else {
            paddlePopUpButton.selectItem(at: 229)
        }
        paddlePopUpButton.wantsLayer = true
        paddlePopUpButton.layer?.backgroundColor = NSColor(named: "KMPurchase_FFFFFF")?.cgColor
        paddlePopUpButton.layer?.borderColor = NSColor(named: "KMPurchase_DADBDE")?.cgColor
        paddleBox.fillColor = NSColor(named: "KMPurchase_FFFFFF") ?? NSColor.white
        paddleBox.borderColor = NSColor(named: "KMPurchase_DADBDE") ?? NSColor.gray
        paddleTextField.placeholderString = NSLocalizedString("Postcode", comment: "")
        paddleTextField.delegate = self
        
        weChatButton.title = NSLocalizedString("Continue to Pay", comment: "")
        weChatButton.setTitleColor(color: NSColor.white, font: NSFont.SFProTextBoldFont(16))
        
        qrCodeImageView.imageScaling = .scaleProportionallyUpOrDown
        scanLabel.textColor = NSColor(named: "KMPurchase_000000")
        scanLabel.font = NSFont.SFProTextRegularFont(12)
        successfullyView.isHidden = true
        purchasedLabel.stringValue = NSLocalizedString("Purchased", comment: "")
        purchasedLabel.textColor = NSColor(named: "KMPurchase_002143")
        purchasedLabel.font = NSFont(name: "Segoe UI", size: 18.0)
        successfullyLabel.stringValue = NSLocalizedString("Successfully", comment: "")
        successfullyLabel.textColor = NSColor(named: "KMPurchase_002143")
        successfullyLabel.font = NSFont(name: "Segoe UI", size: 18.0)
        
        emailErrorLabel(isReveal: false)
    }
    
    private func priceRefresh() -> Void {
        if KMDMGProductsManager.shareInstance.productDatas == nil {
            let alert = NSAlert()
            alert.alertStyle = .critical
            alert.messageText = NSLocalizedString("Error Information", comment: "")
            alert.informativeText = NSLocalizedString("Please make sure your internet connection is available.", comment: "")
            alert.addButton(withTitle: NSLocalizedString("OK", comment: ""))
            alert.runModal()
            return
        }
        
        var abbreviation = "USD"
        if NSLocalizedString("USD", comment: "") == "CNY" {
            abbreviation = "CNY"
        }
        
        var discount1: Float = 0.0
        var original1: Float = 0.0
        var discount2: Float = 0.0
        var original2: Float = 0.0
        var discount3: Float = 0.0
        var original3: Float = 0.0
        var listPrice: Float = 0.0
        var discount: Float = 0.0
        var paySum: Float = 0.0
        let originalType: ProductType = productToType(originalProductID)
        if originalType == .ipaConvert || originalType == .ipaAI {
            if originalType == .ipaConvert {
                discount1 = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_2")) ?? 19.99
                original1 = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_2")) ?? 19.99
            } else {
                discount1 = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.ai.product_1")) ?? 14.99
                original1 = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.ai.product_1")) ?? 14.99
            }
            listPrice = original1 * Float(amountTextField1.stringValue)!
            paySum = discount1 * Float(amountTextField1.stringValue)!
            discount = listPrice - paySum
            
            originalPriceLabel1.stringValue = String(format: "%@ %@", abbreviation, String(format: "%.2f", discount1))
            if String(format: "%.2f", original1) == String(format: "%.2f", discount1) {
                discountPriceLabel1.isHidden = true
            } else {
                discountPriceLabel1.isHidden = false
                let attributedString = NSMutableAttributedString(string: String(format: "%.2f", original1))
                attributedString.addAttribute(.strikethroughStyle, value: NSNumber(value: NSUnderlineStyle.single.rawValue), range: NSMakeRange(0, attributedString.length))
                attributedString.addAttribute(.strikethroughColor, value: NSColor(named: "KMPurchaseDiscountColor") as Any, range: NSMakeRange(0, attributedString.length))
                discountPriceLabel1.attributedStringValue = attributedString
            }
        } else {
            if productType == .ipaPremium {
                let aiBinding_discount = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_1+com.brother.pdfreaderpro.ai.product_1")) ?? 74.98
                let aiBinding_original = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_1+com.brother.pdfreaderpro.ai.product_1")) ?? 74.98

                discount2 = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.ai.product_1")) ?? 14.99
                original2 = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.ai.product_1")) ?? 14.99
                discount1 = aiBinding_discount - discount2
                original1 = aiBinding_original - original2
                discount3 = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_2.checkout")) ?? 20.00
                original3 = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_2.checkout")) ?? 20.00
                
                listPrice = (original1 * Float(amountTextField1.stringValue)!)
                paySum = (discount1 * Float(amountTextField1.stringValue)!)
                discount = listPrice - paySum
            } else if productType == .ipaPermanent {
                if originalType == .ipaPremium {
                    listPrice = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_3")) ?? 79.99
                    paySum = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_3")) ?? 79.99

                    discount3 = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_2.checkout")) ?? 20.00
                    original3 = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_2.checkout")) ?? 20.00
                    discount1 = paySum - discount3
                    original1 = listPrice - original3
                    
                    let aiBinding_discount = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1")) ?? 94.98
                    let aiBinding_original = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1")) ?? 94.98
                    let advanced_discount = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_3")) ?? 79.99
                    let advanced_original = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_3")) ?? 79.99
                    discount2 = aiBinding_discount - advanced_discount
                    original2 = aiBinding_original - advanced_original
                    
                    listPrice = (original1 * Float(amountTextField1.stringValue)!) + (original3 * Float(amountTextField3.stringValue)!)
                    paySum = (discount1 * Float(amountTextField1.stringValue)!) + (discount3 * Float(amountTextField3.stringValue)!)
                    discount = listPrice - paySum
                } else if originalType == .ipaPermanent {
                    listPrice = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_3")) ?? 79.99
                    paySum = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_3")) ?? 79.99
                    
                    discount1 = paySum
                    original1 = listPrice
                    let aiBinding_discount = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1")) ?? 94.98
                    let aiBinding_original = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1")) ?? 94.98
                    let cross_discount = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.cross.platform.product_3")) ?? 119.98
                    let cross_original = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.cross.platform.product_2")) ?? 119.98
                    discount2 = aiBinding_discount - discount1
                    original2 = aiBinding_original - original1
                    discount3 = cross_discount - discount1
                    original3 = cross_original
                    
                    listPrice = (original1 * Float(amountTextField1.stringValue)!)
                    paySum = (discount1 * Float(amountTextField1.stringValue)!)
                    discount = listPrice - paySum
                }
            } else if productType == .ipaPremiumCrossPlatform {
                
            } else if productType == .ipaPermanentCrossPlatform {
                listPrice = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_3")) ?? 79.99
                paySum = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_3")) ?? 79.99
                
                discount1 = paySum
                original1 = listPrice
                let aiBinding_discount = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1")) ?? 94.98
                let aiBinding_original = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1")) ?? 94.98
                let cross_discount = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.cross.platform.product_3")) ?? 119.98
                let cross_original = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.cross.platform.product_2")) ?? 119.98
                discount2 = aiBinding_discount - discount1
                original2 = aiBinding_original - original1
                discount3 = cross_discount - discount1
                original3 = cross_original
                
                listPrice = (original1 * Float(amountTextField1.stringValue)!) + (discount3 * Float(amountTextField3.stringValue)!)
                paySum = (discount1 * Float(amountTextField1.stringValue)!) + (discount3 * Float(amountTextField3.stringValue)!)
                discount = listPrice - paySum
            } else if productType == .ipaPremiumAI {
                let aiBinding_discount = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_1+com.brother.pdfreaderpro.ai.product_1")) ?? 74.98
                let aiBinding_original = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_1+com.brother.pdfreaderpro.ai.product_1")) ?? 74.98
                
                discount2 = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.ai.product_1")) ?? 14.99
                original2 = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.ai.product_1")) ?? 14.99
                discount1 = aiBinding_discount - discount2
                original1 = aiBinding_original - original2
                discount3 = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_2.checkout")) ?? 20.00
                original3 = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_2.checkout")) ?? 20.00
                
                listPrice = (original1 * Float(amountTextField1.stringValue)!) + (original2 * Float(amountTextField2.stringValue)!)
                paySum = (discount1 * Float(amountTextField1.stringValue)!) + (discount2 * Float(amountTextField2.stringValue)!)
                discount = listPrice - paySum
            } else if productType == .ipaPermanentAI {
                if originalType == .ipaPremium {
                    listPrice = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_3")) ?? 79.99
                    paySum = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_3")) ?? 79.99

                    discount3 = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_2.checkout")) ?? 20.00
                    original3 = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_2.checkout")) ?? 20.00
                    discount1 = paySum - discount3
                    original1 = listPrice - original3
                    
                    let aiBinding_discount = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1")) ?? 94.98
                    let aiBinding_original = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1")) ?? 94.98
                    let advanced_discount = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_3")) ?? 79.99
                    let advanced_original = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_3")) ?? 79.99
                    discount2 = aiBinding_discount - advanced_discount
                    original2 = aiBinding_original - advanced_original
                    
                    listPrice = (original1 * Float(amountTextField1.stringValue)!) + (original2 * Float(amountTextField2.stringValue)!) + (original3 * Float(amountTextField3.stringValue)!)
                    paySum = (discount1 * Float(amountTextField1.stringValue)!) + (discount2 * Float(amountTextField2.stringValue)!) + (discount3 * Float(amountTextField3.stringValue)!)
                    discount = listPrice - paySum
                } else if originalType == .ipaPermanent {
                    listPrice = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1")) ?? 94.98
                    paySum = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1")) ?? 94.98
                    
                    discount1 = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_3")) ?? 79.99
                    original1 = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_3")) ?? 79.99
                    let aiBinding_discount = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1")) ?? 94.98
                    let aiBinding_original = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1")) ?? 94.98
                    let cross_discount = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.cross.platform.product_3")) ?? 119.98
                    let cross_original = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.cross.platform.product_2")) ?? 119.98
                    discount2 = aiBinding_discount - discount1
                    original2 = aiBinding_original - original1
                    discount3 = cross_discount - discount1
                    original3 = cross_original
                    
                    listPrice = (original1 * Float(amountTextField1.stringValue)!) + (original2 * Float(amountTextField2.stringValue)!)
                    paySum = (discount1 * Float(amountTextField1.stringValue)!) + (discount2 * Float(amountTextField2.stringValue)!)
                    discount = listPrice - paySum
                }
            } else if productType == .ipaPermanentCrossPlatformAI {
                listPrice = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.cross.platform.product_3+com.brother.pdfreaderpro.ai.product_1")) ?? 149.96
                paySum = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_3")) ?? 149.96
                
                discount1 = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_3")) ?? 79.99
                original1 = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_3")) ?? 79.99
                let aiBinding_discount = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1")) ?? 94.98
                let aiBinding_original = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1")) ?? 94.98
                let cross_discount = Float(KMDMGProductsManager.shareInstance.getActivityPrice("com.brother.pdfreaderpro.cross.platform.product_3")) ?? 119.98
                let cross_original = Float(KMDMGProductsManager.shareInstance.getPrice("com.brother.pdfreaderpro.cross.platform.product_2")) ?? 119.98
                discount2 = aiBinding_discount - discount1
                original2 = aiBinding_original - original1
                discount3 = cross_discount - discount1
                original3 = cross_original
                
                listPrice = (original1 * Float(amountTextField1.stringValue)!) + (original2 * Float(amountTextField2.stringValue)!) + (original3 * Float(amountTextField3.stringValue)!)
                paySum = (discount1 * Float(amountTextField1.stringValue)!) + (discount2 * Float(amountTextField2.stringValue)!) + (discount3 * Float(amountTextField3.stringValue)!)
                discount = listPrice - paySum
            }

            originalPriceLabel1.stringValue = String(format: "%@ %@", abbreviation, String(format: "%.2f", discount1))
            if String(format: "%.2f", original1) == String(format: "%.2f", discount1) {
                discountPriceLabel1.isHidden = true
            } else {
                discountPriceLabel1.isHidden = false
                let attributedString = NSMutableAttributedString(string: String(format: "%.2f", original1))
                attributedString.addAttribute(.strikethroughStyle, value: NSNumber(value: NSUnderlineStyle.single.rawValue), range: NSMakeRange(0, attributedString.length))
                attributedString.addAttribute(.strikethroughColor, value: NSColor(named: "KMPurchaseDiscountColor") as Any, range: NSMakeRange(0, attributedString.length))
                discountPriceLabel1.attributedStringValue = attributedString
            }
            
            originalPriceLabel2.stringValue = String(format: "%@ %@", abbreviation, String(format: "%.2f", discount2))
            if String(format: "%.2f", original2) == String(format: "%.2f", discount2) {
                discountPriceLabel2.isHidden = true
            } else {
                discountPriceLabel2.isHidden = false
                let attributedString = NSMutableAttributedString(string: String(format: "%.2f", original2))
                attributedString.addAttribute(.strikethroughStyle, value: NSNumber(value: NSUnderlineStyle.single.rawValue), range: NSMakeRange(0, attributedString.length))
                attributedString.addAttribute(.strikethroughColor, value: NSColor(named: "KMPurchaseDiscountColor") as Any, range: NSMakeRange(0, attributedString.length))
                discountPriceLabel2.attributedStringValue = attributedString
            }
            
            originalPriceLabel3.stringValue = String(format: "%@ %@", abbreviation, String(format: "%.2f", discount3))
            if String(format: "%.2f", original3) == String(format: "%.2f", discount3) {
                discountPriceLabel3.isHidden = true
            } else {
                discountPriceLabel3.isHidden = false
                let attributedString = NSMutableAttributedString(string: String(format: "%.2f", original3))
                attributedString.addAttribute(.strikethroughStyle, value: NSNumber(value: NSUnderlineStyle.single.rawValue), range: NSMakeRange(0, attributedString.length))
                attributedString.addAttribute(.strikethroughColor, value: NSColor(named: "KMPurchaseDiscountColor") as Any, range: NSMakeRange(0, attributedString.length))
                discountPriceLabel3.attributedStringValue = attributedString
            }
        }
        if self.discountScale != "" || self.discountAmount != "" {
            if self.discountScale != "" {
                paySum = paySum * Float(self.discountScale)!
                discount = listPrice - paySum
            } else {
                var discountAmountF = Float(self.discountAmount)
                if NSLocalizedString("USD", comment: "") == "CNY" {
                    discountAmountF = discountAmountF! * 6.5
                }
                paySum = paySum - discountAmountF!
                discount = listPrice - paySum
            }
        }
        lastPriceLabel1.stringValue = String(format: "%@ %@", abbreviation, String(format: "%.2f", listPrice))
        discountLabel1.stringValue = String(format: "%@ %@", abbreviation, String(format: "%.2f", discount))
        paySumLabel1.stringValue = String(format: "%@ %@", abbreviation, String(format: "%.2f", paySum))
        
        if self.discountScale == "" && self.discountAmount == "" {
            refreshApplyButton(isReveal: true)
        } else {
            refreshApplyButton(isReveal: false)
        }
        
        if discount == 0 {
            discountView.isHidden = true
            couponView.isHidden = false
        } else {
            discountView.isHidden = false
            if self.discountScale == "" && self.discountAmount == "" {
                couponView.isHidden = true
            } else {
                couponView.isHidden = false
            }
        }
        discountLayoutConstraint.constant = discountView.isHidden ? -CGRectGetHeight(discountView.bounds) : 8
    }
    
    // MARK: Active

    @IBAction func amountButtonAction(_ sender: NSButton) {
        if sender.tag == 0 || sender.tag == 1 {
            if sender.tag == 0 {
                if pdfCount > 1 {
                    pdfCount -= 1
                }
            }
            if sender.tag == 1 {
                if pdfCount < 9999 {
                    pdfCount += 1
                }
            }
            if pdfCount > 1 {
                removeButton1.isEnabled = true
            } else {
                removeButton1.isEnabled = false
            }
            if pdfCount > 100 {
                wechatPayButton2.isHidden = false
                cardButton.isHidden = true
                wechatPayButton.isHidden = true
                if _paymentMethod == .paddle {
                    paymentMethod = .paypal
                }
            } else {
                wechatPayButton2.isHidden = true
                cardButton.isHidden = false
                wechatPayButton.isHidden = false
            }
            amountTextField1.stringValue = String(pdfCount)
            if extendedButton.state == .on {
                amountTextField2.stringValue = String(pdfCount * 2)
            } else {
                amountTextField2.stringValue = String(pdfCount * 1)
            }
            amountTextField3.stringValue = String(pdfCount)
        }
        
        // 价格刷新
        priceRefresh()
    }
    
    @IBAction func aiAddOnButtonAction(_ sender: NSButton) {
        let type: ProductType = productToType(originalProductID)
        aiAddOnButton.state = sender.state
        if sender.state == .on {
            amountView2.isHidden = false
            aiAddOnButton.image = NSImage(named: "EmbeddedPayment07")
            if extendedButton.state == .on {
                if type == .ipaPremium {
                    productType = .ipaPermanentAI
                } else if type == .ipaPermanent {
                    productType = .ipaPermanentCrossPlatformAI
                }
            } else {
                if type == .ipaPremium {
                    productType = .ipaPremiumAI
                } else if type == .ipaPermanent {
                    productType = .ipaPermanentAI
                }
            }
        } else {
            amountView2.isHidden = true
            aiAddOnButton.image = NSImage(named: "EmbeddedPayment06")
            if extendedButton.state == .on {
                if type == .ipaPremium {
                    productType = .ipaPermanent
                } else if type == .ipaPermanent {
                    productType = .ipaPermanentCrossPlatform
                }
            } else {
                if type == .ipaPremium {
                    productType = .ipaPremium
                } else if type == .ipaPermanent {
                    productType = .ipaPermanent
                }
            }
        }
        
        discountScale = ""
        discountAmount = ""
        coupomTextField.isEnabled = true
        // 价格刷新
        priceRefresh()
    }
    
    @IBAction func extendedButtonAction(_ sender: NSButton) {
        let type: ProductType = productToType(originalProductID)
        extendedButton.state = sender.state
        if sender.state == .on {
            amountView3.isHidden = false
            if type == .ipaPremium {
                amountTextField2.stringValue = String(pdfCount)
            } else {
                amountTextField2.stringValue = String(pdfCount * 2)
            }
            extendedButton.image = NSImage(named: "EmbeddedPayment07")
            if aiAddOnButton.state == .on {
                if type == .ipaPremium {
                    productType = .ipaPermanentAI
                } else if type == .ipaPermanent {
                    productType = .ipaPermanentCrossPlatformAI
                }
            } else {
                if type == .ipaPremium {
                    productType = .ipaPermanent
                } else if type == .ipaPermanent {
                    productType = .ipaPermanentCrossPlatform
                } 
            }
        } else {
            amountView3.isHidden = true
            amountTextField2.stringValue = String(pdfCount)
            extendedButton.image = NSImage(named: "EmbeddedPayment06")
            if aiAddOnButton.state == .on {
                if type == .ipaPremium {
                    productType = .ipaPremiumAI
                } else if type == .ipaPermanent {
                    productType = .ipaPermanentAI
                }
            } else {
                if type == .ipaPremium {
                    productType = .ipaPremium
                } else if type == .ipaPermanent {
                    productType = .ipaPermanent
                }
            }
        }
        
        discountScale = ""
        discountAmount = ""
        coupomTextField.isEnabled = true
        // 价格刷新
        priceRefresh()
    }
    
    @IBAction func payButtonAction(_ sender: NSButton) {
        emailErrorLabel(isReveal: false)
        confirmPayment(isConfirm: false)
        paymentMethod = KMPaymentType(rawValue: uint32(sender.tag)) ?? .paypal
    }
    
    @IBAction func couponButtonAction(_ sender: NSButton) {
        couponButton.isHidden = true
        couponBox.isHidden = false
        applyBox.isHidden = false
    }
    
    @IBAction func applyButtonAction(_ sender: NSButton) {
        if coupomTextField.stringValue == "" {
            let alert = NSAlert()
            alert.alertStyle = .critical
            alert.messageText = NSLocalizedString("Error Information", comment: "")
            alert.informativeText = NSLocalizedString("Please enter a coupon code.", comment: "")
            alert.addButton(withTitle: NSLocalizedString("OK", comment: ""))
            alert.runModal()
            return
        }
        self.refreshCouponError(isReveal: false)
        applyButton.isEnabled = false
        coupomTextField.isEnabled = false
        self._getDiscount(productId: productID, discountId: coupomTextField.stringValue) { [weak self] info, err in
            guard let self = self else { return }
            if err == nil {
                if let dataInfo = info {
                    if dataInfo.keys.contains("status") {
                        let status = dataInfo["status"] as? String ?? ""
                        if status == "" {
                            self.coupomErrorLabel.stringValue = NSLocalizedString("The coupon code is invalid. Please try again.", comment: "")
                            self.refreshCouponError(isReveal: true)
                            return
                        }
                        if status == "unused" {
                            if dataInfo["discount"] is NSNull && dataInfo["price"] is NSNull {
                                self.coupomErrorLabel.stringValue = NSLocalizedString("The coupon code is invalid. Please try again.", comment: "")
                                self.refreshCouponError(isReveal: true)
                                return
                            } else {
                                if dataInfo.keys.contains("coupon_provider") {
                                    if let coupon = dataInfo["coupon_provider"] {
                                        if let swiftDict = coupon as? [String: Any] {
                                            let limit_product_code = swiftDict["limit_product_code"]
                                            if let limitCode = limit_product_code as? String {
                                                if limitCode.count > 0 {
                                                    if self.productID != limitCode {
                                                        self.couponClearButton.isHidden = false
                                                        self.coupomErrorLabel.stringValue = NSLocalizedString("The coupon code is invalid. Please try again.", comment: "")
                                                        self.refreshCouponError(isReveal: true)
                                                        return
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                                if dataInfo["discount"] is NSNull {
                                    if dataInfo["price"] is NSNull {
                                        
                                    } else {
                                        if let price1 = dataInfo["price"] {
                                            self.discountAmount = String(format: "%@", price1 as! CVarArg)
                                        }
                                    }
                                } else {
                                    if let discount1 = dataInfo["discount"] {
                                        self.discountScale = String(format: "%@", discount1 as! CVarArg)
                                    }
                                }
                            }
                        } else if status == "used" || status == "expired" {
                            self.couponClearButton.isHidden = false
                            if status == "used" {
                                self.coupomErrorLabel.stringValue = NSLocalizedString("The coupon code has been used, please change your coupon code.", comment: "")
                            } else {
                                self.coupomErrorLabel.stringValue = NSLocalizedString("The coupon code has expired.", comment: "")
                            }
                            self.refreshCouponError(isReveal: true)
                        }
                    } else {
                        if dataInfo.keys.contains("limit_product_code") {
                            if let limit_product_code = dataInfo["limit_product_code"] {
                                if let limitCode = limit_product_code as? String {
                                    if limitCode.count > 0 {
                                        if self.productID != limitCode {
                                            self.couponClearButton.isHidden = false
                                            self.coupomErrorLabel.stringValue = NSLocalizedString("The coupon code is invalid. Please try again.", comment: "")
                                            self.refreshCouponError(isReveal: true)
                                            return
                                        }
                                    }
                                }
                            }
                        }
                        if dataInfo["discount"] is NSNull && dataInfo["price"] is NSNull {
                            self.coupomErrorLabel.stringValue = NSLocalizedString("The coupon code is invalid. Please try again.", comment: "")
                            self.refreshCouponError(isReveal: true)
                        } else {
                            self.couponClearButton.isHidden = true
                            if dataInfo["discount"] is NSNull {
                                if dataInfo["price"] is NSNull {
                                    self.coupomErrorLabel.stringValue = NSLocalizedString("The coupon code is invalid. Please try again.", comment: "")
                                    self.refreshCouponError(isReveal: true)
                                } else {
                                    if let price1 = dataInfo["price"] {
                                        self.discountAmount = String(format: "%@", price1 as! CVarArg)
                                    }
                                }
                            } else {
                                if let discount1 = dataInfo["discount"] {
                                    self.discountScale = String(format: "%@", discount1 as! CVarArg)
                                }
                            }
                        }
                    }
                }
                
                self.priceRefresh()
            } else {
                self.couponClearButton.isHidden = false
                self.coupomErrorLabel.stringValue = NSLocalizedString("The coupon code is invalid. Please try again.", comment: "")
                self.refreshCouponError(isReveal: true)
            }
        }
    }
    
    @IBAction func paddlePopUpAction(_ sender: NSPopUpButton) {
        
    }
    
    @IBAction func couponClearButton(_ sender: NSButton) {
        coupomTextField.stringValue = ""
        couponClearButton.isHidden = true
        applyButton.isEnabled = true
        coupomTextField.isEnabled = true
        refreshCouponError(isReveal: false)
    }
        
    @IBAction func buyAction(_ sender: NSButton) {
        if emailTextField.stringValue == "" {
            emailErrorLabel(isReveal: true)
            return
        }
        if paymentMethod == .paddle {
            if !isNumeric(paddleTextField.stringValue) && paddleTextField.stringValue != "" {
                let alert = NSAlert()
                alert.alertStyle = .critical
                alert.messageText = NSLocalizedString("Error Information", comment: "")
                alert.informativeText = NSLocalizedString("Please enter the correct postcode.", comment: "")
                alert.addButton(withTitle: NSLocalizedString("OK", comment: ""))
                alert.runModal()

                return
            }
        }
        confirmPayment(isConfirm: true)
        if paymentMethod == .paypal {
            paypalBox.fillColor = NSColor(named: "KMPurchaseBoxColor1") ?? NSColor.blue
        } else if paymentMethod == .paddle {
            paddleView.wantsLayer = true
            paddleView.layer?.backgroundColor = NSColor(named: "KMPurchaseBoxColor1")?.cgColor ?? NSColor.blue.cgColor
        } else if paymentMethod == .wxpay {
            weChatBox.fillColor = NSColor(named: "KMPurchaseBoxColor1") ?? NSColor.blue
        } else if paymentMethod == .alipay {
            weChatBox.fillColor = NSColor(named: "KMPurchaseBoxColor1") ?? NSColor.blue
        }
        DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) { [weak self] in
            guard let strongSelf = self else { return }
            if strongSelf.paymentMethod == .paypal {
                strongSelf.paypalBox.fillColor = NSColor(named: "KMPurchaseBoxColor") ?? NSColor.blue
            } else if strongSelf.paymentMethod == .paddle {
                strongSelf.paddleView.wantsLayer = true
                strongSelf.paddleView.layer?.backgroundColor = NSColor(named: "KMPurchaseBoxColor")?.cgColor ?? NSColor.blue.cgColor
            } else if strongSelf.paymentMethod == .wxpay {
                strongSelf.weChatBox.fillColor = NSColor(named: "KMPurchaseBoxColor") ?? NSColor.blue
            } else if strongSelf.paymentMethod == .alipay {
                strongSelf.weChatBox.fillColor = NSColor(named: "KMPurchaseBoxColor") ?? NSColor.blue
            }
        }

        var licenseCode = ""
        if productID == "com.brother.pdfreaderpro.mac.product_2" {
            if licenseCodeTextField.stringValue.count > 0 {
                licenseCode = licenseCodeTextField.stringValue
            } else {
                let alert = NSAlert()
                alert.alertStyle = .critical
                alert.messageText = NSLocalizedString("Error Information", comment: "")
                alert.informativeText = NSLocalizedString("Input license code previously activated the app", comment: "")
                alert.addButton(withTitle: NSLocalizedString("OK", comment: ""))
                alert.runModal()

                return
            }
            if let license = VerificationManager.default().originLicenseCode, license.count > 0 {
                licenseCode = license
            }
        }
        var couponCode = ""
        if coupomErrorLabel.isHidden {
            couponCode = coupomTextField.stringValue
        }
        self._buyProduct(productID, count: pdfCount, discountId: couponCode, payment: paymentMethod, license: licenseCode, email: emailTextField.stringValue) { [weak self] info, err in
            guard let self = self else { return }
            if err != nil {
                DispatchQueue.main.async {
                    let alert = NSAlert()
                    alert.alertStyle = .critical
                    alert.messageText = NSLocalizedString("Please check if the information is wrong or the network is error.", comment: "")
                    alert.addButton(withTitle: NSLocalizedString("Yes", comment: ""))
                    alert.runModal()
                }
                return
            }
            if let dataInfo = info {
                self.orderID = dataInfo["trade_no"] as! String
                let page_pay_url = dataInfo["page_pay_url"] as! String
                if self.paymentMethod == .paddle || self.paymentMethod == .paypal {
                    if page_pay_url != "" {
                        self.openWebView(page_pay_url)
                    }
                } else if self.paymentMethod == .wxpay || self.paymentMethod == .alipay {
                    if page_pay_url != "" {
                        self.scanCode(page_pay_url)
                    }
                }
            } else {
                // 数据错误
                DispatchQueue.main.async {
                    let alert = NSAlert()
                    alert.alertStyle = .critical
                    alert.messageText = NSLocalizedString("Please check if the information is wrong or the network is error.", comment: "")
                    alert.addButton(withTitle: NSLocalizedString("Yes", comment: ""))
                    alert.runModal()
                }
            }
        }
    }
    
    @IBAction func notFoundAction(_ sender: NSButton) {
        var url = URL(string: "https://www.pdfreaderpro.com/mac/license-retrieval")!
        NSWorkspace.shared.open(url)
    }
    
    // MARK: get & set
    
    private var paymentMethod : KMPaymentType {
        get {
           return _paymentMethod
        }
        set {
            _paymentMethod = newValue
            
            paypalButton.image = NSImage(named: "EmbeddedPayment19")
            cardButton.image = NSImage(named: "EmbeddedPayment21")
            wechatPayButton.image = NSImage(named: "EmbeddedPayment23")
            wechatPayButton2.image = NSImage(named: "EmbeddedPayment23")
            alipayButton.image = NSImage(named: "EmbeddedPayment25")
            if _paymentMethod == .paypal {
                paypalButton.image = NSImage(named: "EmbeddedPayment18")
                payBox.contentView = paypalView
                paypalBox.fillColor = NSColor(named: "KMPurchaseBoxColor") ?? NSColor.blue
                payBoxHeight.constant = 60.0
            } else if _paymentMethod == .paddle {
                cardButton.image = NSImage(named: "EmbeddedPayment20")
                payBox.contentView = cardView
                paddleView.wantsLayer = true
                paddleView.layer?.backgroundColor = NSColor(named: "KMPurchaseBoxColor")?.cgColor ?? NSColor.blue.cgColor
                payBoxHeight.constant = 150.0
            } else if _paymentMethod == .wxpay {
                wechatPayButton.image = NSImage(named: "EmbeddedPayment22")
                wechatPayButton2.image = NSImage(named: "EmbeddedPayment22")
                payBox.contentView = weChatPayView
                weChatBox.fillColor = NSColor(named: "KMPurchaseBoxColor") ?? NSColor.blue
                payBoxHeight.constant = 92.0
            } else if _paymentMethod == .alipay {
                alipayButton.image = NSImage(named: "EmbeddedPayment24")
                payBox.contentView = weChatPayView
                weChatBox.fillColor = NSColor(named: "KMPurchaseBoxColor") ?? NSColor.blue
                payBoxHeight.constant = 92.0
            }
        }
    }
    
    var productType: ProductType {
        get {
           return _productType
        }
        set {
            _productType = newValue
            
            if _productType == .ipaConvert {
                productID = "com.brother.pdfreaderpro.mac.product_2"
            } else if _productType == .ipaConvert_checkout {
                productID = "com.brother.pdfreaderpro.mac.product_2.checkout"
            } else if _productType == .ipaPremium {
                productID = "com.brother.pdfreaderpro.mac.product_1"
            } else if _productType == .ipaPermanent {
                productID = "com.brother.pdfreaderpro.mac.product_3"
            } else if _productType == .ipaPremiumCrossPlatform {
                productID = "com.brother.pdfreaderpro.cross.platform.product_1"
            } else if _productType == .ipaPermanentCrossPlatform {
                productID = "com.brother.pdfreaderpro.cross.platform.product_3"
            } else if _productType == .ipaAI {
                productID = "com.brother.pdfreaderpro.ai.product_1"
            } else if _productType == .ipaPremiumAI {
                productID = "com.brother.pdfreaderpro.mac.product_1+com.brother.pdfreaderpro.ai.product_1"
            } else if _productType == .ipaPermanentAI {
                productID = "com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1"
            } else if _productType == .ipaPermanentCrossPlatformAI {
                productID = "com.brother.pdfreaderpro.cross.platform.product_3+com.brother.pdfreaderpro.ai.product_1"
            }
        }

    }
    
    // MARK: ——
    
    // 获取价格
    private func _getProductDatas(callback: @escaping (([String:Any]?, Any?)->Void)) {
//    func getPriceUrl() {
        let urlString = kVerificationServer + "/api/product/get-price/v2"
        KMAdvertisementRequestServer.requestServer.request(urlString: urlString, method: "GET", params: nil) { task, responseObject, error in
            if (error == nil && responseObject != nil) {
                let array = responseObject?["data"] as? NSDictionary
                if array != nil {
                    //解析数据
                    let productsDict = array?.object(forKey: "data") as? NSDictionary
                    callback(productsDict as? [String : Any], nil)
                } else {
                    callback([:], error.debugDescription)
                }
            } else {
                callback(nil, error.debugDescription)
            }
        }
    }
    
    // 获取优惠卷
    private func _getDiscount(productId: String, discountId: String, callback: @escaping (([String : Any]?, Any?)->Void)) {
        let urlString = kVerificationServer + "/api/coupons/retrieval"
        let app_code = MainBundle.km_infoDictionary()?["CFBundleIdentifier"] ?? ""
        let params = [
            // 优惠卷id
            "code" : discountId,
            "app_code" : app_code,
            "product_code" : productId]
        KMAdvertisementRequestServer.requestServer.request(urlString: urlString, method: "GET", params: params) { task, responseObject, error in
            if (error == nil && responseObject != nil) {
                if let dataDict = responseObject?["data"] as? NSDictionary {
                    if let swiftDict = dataDict as? [String: Any] {
                        if swiftDict.keys.contains("price") || swiftDict.keys.contains("discount") {
                            callback(dataDict as? [String : Any], nil)
                        } else if swiftDict.keys.contains("coupon_provider") {
                            if let couponDict = swiftDict["coupon_provider"] as? [String: Any] {
                                callback(couponDict, nil)
                            }
                        }
                    }
                } else if let coupon_provider = responseObject?["coupon_provider"] as? NSDictionary {
                    callback(coupon_provider as? [String : Any], nil)
                } else {
                    callback([:], error.debugDescription)
                }
            } else {
                callback(nil, error.debugDescription)
            }
        }
    }
    
    // 获取订单状态
    
    private func _getOrderStatus(tradeNo: String, callback: @escaping (([String:Any]?, Any?)->Void)) {
        let urlString = kVerificationServer + "/api/orders/getOrderStatus"

        var jsonStr: String = ""
        if let jsonData = try?JSONSerialization.data(withJSONObject: ["trade_no" : tradeNo], options:[]),
           let data = String(data: jsonData, encoding: .utf8) {
            jsonStr = data
        }
        
        let rsa = KMVerificationRSA()
        let publicKey = rsa.loadPublicKey()
        let encryptedData = rsa.encrypt(plainText: jsonStr, publicKey: publicKey!)
        let tokenStr = encryptedData?.base64EncodedString()
        
        var postData  = try!JSONSerialization.data(withJSONObject: ["token" : tokenStr])
        var request = URLRequest(url: URL(string: urlString)!,timeoutInterval: Double.infinity)
        request.addValue("Apifox/1.0.0 (https://www.apifox.cn)", forHTTPHeaderField: "User-Agent")
        request.addValue("application/json", forHTTPHeaderField: "Content-Type")

        request.httpMethod = "POST"
        request.httpBody = postData

        let task = URLSession.shared.dataTask(with: request) { data, response, error in
            guard let data = data else {
                callback(nil, String(describing: error))
                return
            }
            if let jsonDict = try?JSONSerialization.jsonObject(with: data, options: []) as? NSDictionary ?? [:] {
                let dataStr = jsonDict["data"] as? String
                
                let rsa = KMVerificationRSA()
                if let deData = (rsa.decrypt(source: dataStr as? NSString ?? "") as? String)?.data(using: .utf8) {
                    if let dict = try?JSONSerialization.jsonObject(with: deData, options: []) as? NSDictionary ?? [:] {
                        return callback(dict as? [String : Any], nil)
                    }
                }
                callback([:], String(describing: error))
            } else {
                // 数据错误
                callback([:], String(describing: error))
            }
        }
        task.resume()
    }
    
    private func _buyProduct(_ productId: String, count: Int, discountId: String = "", payment: KMPaymentType, license: String = "", email: String, username: String = "", callback: @escaping (([String:Any]?, Any?)->Void)) {
        let urlString = kVerificationServer + "/api/subscriptions"

        let app_code = MainBundle.km_infoDictionary()?["CFBundleIdentifier"] ?? ""
        let paymentStr = self._paymentTypeString(type: payment)
        let country = countryAbbreviationValues[paddlePopUpButton.indexOfSelectedItem]
        let postcode = paddleTextField.stringValue 
        let paraDict = ["data" :
                            ["product_code": productId,
                             "app_code": app_code,
                             // 购买数量
                             "amount": "\(count)",
                             // 优惠卷id
                             "coupon_code": discountId,
                             // 支付类型 paypal alipay wxpay paddle
                             "payment": paymentStr,
                             // 地区
                             "customer_country": country,
                             // 邮编码
                             "customer_postcode" : postcode,
                             "unique_sn" : uuid(),
                             // 序列码 标准包 升级 高级包 需要
                             "upgrade_cdkey" : license,
                             "email" : email,
                             // 用户名
                             "contact_name" : username,
                             "platform" : "DMG"]]
        var postData  = try! JSONSerialization.data(withJSONObject: paraDict)
        var request = URLRequest(url: URL(string: urlString)!,timeoutInterval: Double.infinity)
        request.addValue("Apifox/1.0.0 (https://www.apifox.cn)", forHTTPHeaderField: "User-Agent")
        request.addValue("application/json", forHTTPHeaderField: "Content-Type")

        request.httpMethod = "POST"
        request.httpBody = postData

        let task = URLSession.shared.dataTask(with: request) { data, response, error in
            guard let theData = data else {
                callback(nil, String(describing: error))
                return
            }
            if let jsonDict = try? JSONSerialization.jsonObject(with: theData, options: []) as? NSDictionary ?? [:] {
                let data1: NSDictionary = jsonDict["data"] as? NSDictionary ?? [:]
                let subscriptionInfo = data1.object(forKey: "subscription") as? NSDictionary
                let orderKey = self._paymentTypeString(type: payment) + "_order"
                let order_info = subscriptionInfo?.object(forKey: orderKey) as? NSDictionary
                if let dataInfo = order_info, dataInfo.count > 0 {
                    callback(dataInfo as? [String : Any], nil)
                } else {
                    // 数据错误
                    callback([:], String(describing: error))
                }
            } else {
                // 数据错误
                callback([:], String(describing: error))
            }
        }
        task.resume()
    }
    
    // MARK: Private
    
    private func uuid() -> String {
        return GetHardwareUUID()!
    }
    
    private func _paymentTypeString(type: KMPaymentType) -> String {
        if type == .paddle {
            return "paddle"
        } else if type == .alipay {
            return "alipay"
        } else if type == .wxpay {
            return "wxpay"
        } else if type == .paypal {
            return "paypal"
        }
        return ""
    }
    
    private func _trackEvent_paid() {
        self.trackEvent_dmg(eventName: self.kEventName, params: self.kEventParams, platform: .AppCenter)
    }
    
    private let tabDict: [ProductType: String] = [
        .ipaConvert: "com.brother.pdfreaderpro.mac.product_2",
        .ipaConvert_checkout: "com.brother.pdfreaderpro.mac.product_2.checkout",
        .ipaPremium: "com.brother.pdfreaderpro.mac.product_1",
        .ipaPermanent: "com.brother.pdfreaderpro.mac.product_3",
        .ipaPremiumCrossPlatform: "com.brother.pdfreaderpro.cross.platform.product_1",
        .ipaPermanentCrossPlatform: "com.brother.pdfreaderpro.cross.platform.product_3",
        .ipaAI: "com.brother.pdfreaderpro.ai.product_1",
        .ipaPremiumAI: "com.brother.pdfreaderpro.mac.product_1+com.brother.pdfreaderpro.ai.product_1",
        .ipaPermanentAI: "com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1",
        .ipaPermanentCrossPlatformAI: "com.brother.pdfreaderpro.cross.platform.product_3+com.brother.pdfreaderpro.ai.product_1"
    ]
    
    private func getProductID() -> String {
        return GetHardwareUUID()!
    }
    
    private func productToType(_ productId: String) -> ProductType {
        if productId == "com.brother.pdfreaderpro.mac.product_2" {
            return .ipaConvert
        } else if productId == "com.brother.pdfreaderpro.mac.product_2.checkout" {
            return .ipaConvert_checkout
        } else if productId == "com.brother.pdfreaderpro.mac.product_1" {
            return .ipaPremium
        } else if productId == "com.brother.pdfreaderpro.mac.product_3" {
            return .ipaPermanent
        } else if productId == "com.brother.pdfreaderpro.cross.platform.product_1" {
            return .ipaPremiumCrossPlatform
        } else if productId == "com.brother.pdfreaderpro.cross.platform.product_3" {
            return .ipaPermanentCrossPlatform
        } else if productId == "com.brother.pdfreaderpro.ai.product_1" {
            return .ipaAI
        } else if productId == "com.brother.pdfreaderpro.mac.product_1+com.brother.pdfreaderpro.ai.product_1" {
            return .ipaPremiumAI
        } else if productId == "com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1" {
            return .ipaPermanentAI
        } else if productId == "com.brother.pdfreaderpro.cross.platform.product_3+com.brother.pdfreaderpro.ai.product_1" {
            return .ipaPermanentCrossPlatformAI
        }
        return .ipaConvert
    }
    
    private func isNumeric(_ text: String) -> Bool {
        return !text.isEmpty && text.rangeOfCharacter(from: CharacterSet.decimalDigits.inverted) == nil
    }
    
    private func openWebView(_ urlPath: String) -> Void {
        DispatchQueue.main.async { [weak self] in
            guard let self = self else { return }
//            let wc = KMEmbeddedPaymentPopWC.init(windowNibName: "KMEmbeddedPaymentPopWC")
            self.pollCount = 0
            self.embeddedPaymentPopWC = KMEmbeddedPaymentPopWC.currentFirstTrialWC(urlPath)
            if self.paymentMethod == .paddle {
                self.embeddedPaymentPopWC?.isPaddle = true
                self.embeddedPaymentPopWC?.countryCode = self.countryAbbreviationValues[self.paddlePopUpButton.indexOfSelectedItem]
                self.embeddedPaymentPopWC?.postCode = self.paddleTextField.stringValue
            }
            self.embeddedPaymentPopWC?.showWindow(nil)
            self.embeddedPaymentPopWC?.callback = { isClose in
//                let alert = NSAlert()
//                alert.alertStyle = .critical
//                alert.messageText = NSLocalizedString("Checking payment status", comment: "")
////                alert.informativeText = NSLocalizedString("Get License Code is empty.", comment: "")
//                alert.addButton(withTitle: NSLocalizedString("OK", comment: ""))
//                if alert.responds(to: #selector(alert.beginSheetModal(for:completionHandler:))) {
//                    alert.beginSheetModal(for: self.window!, completionHandler: nil)
//                } else {
//                    alert.runModal()
//                }
            }
        }
        startPolling()
    }
    
    private func scanCode(_ urlPath: String) -> Void {
        DispatchQueue.main.async { [weak self] in
            guard let self = self else { return }
            self.payBox.contentView = self.payResult
            self.payBoxHeight.constant = 262
            if self.paymentMethod == .wxpay {
                self.scanLabel.stringValue = NSLocalizedString("Scan QR Code with WeChat", comment: "")
                self.payTypeImageView.image = NSImage(named: "EmbeddedPayment27")
            } else if self.paymentMethod == .alipay {
                self.scanLabel.stringValue = NSLocalizedString("Scan QR Code with Alipay", comment: "")
                self.payTypeImageView.image = NSImage(named: "EmbeddedPayment28")
            }

            if let url = URL(string: urlPath) {
                URLSession.shared.dataTask(with: url) { data, response, error in
                    if let data = data, let image = NSImage(data: data) {
                        DispatchQueue.main.async {
                            self.qrCodeImageView.image = image
                            self.startPolling()
                        }
                    } else {
                        print("Failed to load image or there was an error: \(error?.localizedDescription ?? "Unknown error")")
                    }
                }.resume()
            } else {
                print("Invalid URL.")
            }
        }
    }
    
    private func pollingResult() -> Void {
        DispatchQueue.main.asyncAfter(deadline: .now() + 1) { [weak self] in
            guard let self = self else { return }
            if self.orderID == "" { return }
            self._getOrderStatus(tradeNo: self.orderID, callback: { [self] info, err in
                if err == nil {
                    if let dataInfo = info {
                        if dataInfo.keys.contains("status") {
                            let status = dataInfo["status"] as? Int
                            if status == 2 {
                                if self.originalProductID == "com.brother.pdfreaderpro.mac.product_2" {
                                    VerificationManager.default().verification { status, info, error in
                                        if (error != nil) {
                                            let alert = NSAlert.init()
                                            alert.messageText = NSLocalizedString("Failed to Refresh", comment: "")
                                            alert.addButton(withTitle: NSLocalizedString("OK", comment: ""))
                                            alert.runModal()
                                        }
                                        if IAPProductsManager.default().isAvailableAdvancedPDFToOffice() {
                                            self.close()
                                        }
                                    }
                                } else {
                                    self.orderID = ""
                                    self.stopPolling()
                                    if (dataInfo.keys.contains("license") && dataInfo.keys.contains("ai_license")) {
                                        self.successfulPaymentsNumber = 2
                                        if dataInfo.keys.contains("license") {
                                            let license = dataInfo["license"] as? [String]
                                            if license!.count > 0 {
                                                self.verificationActivate(license: license![0])
//                                                self.embeddedPaymentPopWC?.close()
//                                                self.embeddedPaymentPopWC = nil
                                            }
                                        }
                                        if dataInfo.keys.contains("ai_license") {
                                            let ai_license = dataInfo["ai_license"] as? [String]
                                            if ai_license!.count > 0 {
                                                self.verificationActivateAIInfo(license: ai_license![0])
//                                                self.embeddedPaymentPopWC?.close()
//                                                self.embeddedPaymentPopWC = nil
                                            }
                                        }
                                    } else {
                                        self.successfulPaymentsNumber = 1
                                        if dataInfo.keys.contains("license") {
                                            let license = dataInfo["license"] as? [String]
                                            if license!.count > 0 {
                                                self.verificationActivate(license: license![0])
//                                                self.embeddedPaymentPopWC?.close()
//                                                self.embeddedPaymentPopWC = nil
                                            }
                                        } else if dataInfo.keys.contains("ai_license") {
                                            let ai_license = dataInfo["ai_license"] as? [String]
                                            if ai_license!.count > 0 {
                                                if !AIInfoManager.default().aiInfoValid {
                                                    self.verificationActivateAIInfo(license: ai_license![0])
                                                }
//                                                self.embeddedPaymentPopWC?.close()
//                                                self.embeddedPaymentPopWC = nil
                                            }
                                        }
                                    }
                                }
                            } else {
                                if self.originalProductID == "com.brother.pdfreaderpro.mac.product_2" {
                                    VerificationManager.default().verification { status, info, error in
                                        if (error != nil) {
                                            let alert = NSAlert.init()
                                            alert.messageText = NSLocalizedString("Failed to Refresh", comment: "")
                                            alert.addButton(withTitle: NSLocalizedString("OK", comment: ""))
                                            alert.runModal()
                                        }
                                        if IAPProductsManager.default().isAvailableAdvancedPDFToOffice() {
                                            self.close()
                                        }
                                    }
                                } else {
                                    self.startPolling()
                                }
                            }
                        }
                    }
                } else {
                    self.startPolling()
                }
            })
        }
    }
    
    private func startPolling() {
        timer = Timer(timeInterval: interval, repeats: false) { [weak self] _ in
            guard let self = self else { return }
            self.performTask()
        }
        RunLoop.main.add(timer!, forMode: .common)
    }

    @objc private func performTask() {
        guard pollCount < maxPolls else {
            timer?.invalidate()
            timer = nil
            return
        }
        
        // 执行你的轮询任务
        print("Performing polling task \(pollCount + 1)/\(maxPolls)")
        
        pollCount += 1
        pollingResult()
    }
    
    private func stopPolling() {
        timer?.invalidate()
        timer = nil
        print("Polling task completed.")
        if productID == "com.brother.pdfreaderpro.ai.product_1" ||
            productID == "com.brother.pdfreaderpro.mac.product_1+com.brother.pdfreaderpro.ai.product_1" ||
            productID == "com.brother.pdfreaderpro.mac.product_3+com.brother.pdfreaderpro.ai.product_1" ||
            productID == "com.brother.pdfreaderpro.cross.platform.product_3+com.brother.pdfreaderpro.ai.product_1"{
            if !AIInfoManager.default().aiInfoValid {
                if self.embeddedPaymentPopWC != nil {
                    DispatchQueue.main.async { [weak self] in
                        guard let self = self else { return }
                        self.embeddedPaymentPopWC?.close()
                        self.embeddedPaymentPopWC = nil
                    }
                }
            }
        } else {
            if self.embeddedPaymentPopWC != nil {
                DispatchQueue.main.async { [weak self] in
                    guard let self = self else { return }
                    self.embeddedPaymentPopWC?.close()
                    self.embeddedPaymentPopWC = nil
                }
            }
        }
        pollCount = 0
    }
    
    private func verificationActivateAIInfo(license: String) {
        guard !license.isEmpty else {
            return
        }
        
        let infoDic = ["cdkey": license]
        AIInfoManager.default().activateAI(withInfo: infoDic) { info, error in
            if info.isEmpty == false {
                self._trackEvent_paid()
            }

            self.successfulPaymentsNumber -= 1
            if self.paymentMethod == .wxpay || self.paymentMethod == .alipay {
                self.qrCodeImageView.isHidden = true
                self.successfullyView.isHidden = false
                
                if self.successfulPaymentsNumber == 0 {
                    if let blockSelf = self.activityAlertViewController {
                        blockSelf.alertTitle = NSLocalizedString("Successful Activation!", comment: "")
                        blockSelf.alertMessage = NSLocalizedString("Congratulations! You can start using PDF Reader Pro AI features.", comment: "")
                        
                        var frame = self.window?.frame
                        frame!.origin.y -= blockSelf.view.frame.size.height-frame!.size.height
                        frame!.origin.x -= (blockSelf.view.frame.size.width-frame!.size.width)/2.0
                        frame!.size.width = blockSelf.view.frame.size.width
                        frame!.size.height = blockSelf.view.frame.size.height
                        self.mainBox.contentView = blockSelf.view
                        self.window?.setFrame(frame!, display: true, animate: true)
                        
                        self.embeddedPaymentPopWC?.close()
                        self.embeddedPaymentPopWC = nil
                    }
                }
            } else {
                if self.successfulPaymentsNumber == 0 {
                    if let blockSelf = self.activityAlertViewController {
                        blockSelf.alertTitle = NSLocalizedString("Successful Activation!", comment: "")
                        blockSelf.alertMessage = NSLocalizedString("Congratulations! You can start using PDF Reader Pro AI features.", comment: "")
                        
                        var frame = self.window?.frame
                        frame!.origin.y -= blockSelf.view.frame.size.height-frame!.size.height
                        frame!.origin.x -= (blockSelf.view.frame.size.width-frame!.size.width)/2.0
                        frame!.size.width = blockSelf.view.frame.size.width
                        frame!.size.height = blockSelf.view.frame.size.height
                        self.mainBox.contentView = blockSelf.view
                        self.window?.setFrame(frame!, display: true, animate: true)
                        
                        self.embeddedPaymentPopWC?.close()
                        self.embeddedPaymentPopWC = nil
                    }
                }
            }
        }
    }

    private func verificationActivate(license: String) {
        guard !license.isEmpty else {
            return
        }
        
        let infoDic = ["cdkey": license]
        VerificationManager.default().activateDevice(withInfo: infoDic) { status, info, error in
            if error != nil {
                DispatchQueue.main.async {
                    let alert = NSAlert()
                    alert.alertStyle = .critical
                    alert.messageText = NSLocalizedString("Activation Error", comment: "")
                    alert.addButton(withTitle: NSLocalizedString("OK", comment: ""))
                    alert.runModal()
                }
                return
            } else {
                if let data = info, data.isEmpty == false {
                    self._trackEvent_paid()
                }

                self.successfulPaymentsNumber -= 1
                if self.paymentMethod == .wxpay || self.paymentMethod == .alipay {
                    self.qrCodeImageView.isHidden = true
                    self.successfullyView.isHidden = false
                    
                    if self.successfulPaymentsNumber == 0 {
                        if let blockSelf = self.activityAlertViewController {
                            blockSelf.alertTitle = NSLocalizedString("Successful Activation!", comment: "")
                            blockSelf.alertMessage = NSLocalizedString("Congratulations! You can start using PDF Reader Pro features.", comment: "")
                            
                            var frame = self.window?.frame
                            frame!.origin.y -= blockSelf.view.frame.size.height-frame!.size.height
                            frame!.origin.x -= (blockSelf.view.frame.size.width-frame!.size.width)/2.0
                            frame!.size.width = blockSelf.view.frame.size.width
                            frame!.size.height = blockSelf.view.frame.size.height
                            self.mainBox.contentView = blockSelf.view
                            self.window?.setFrame(frame!, display: true, animate: true)
                            
                            self.embeddedPaymentPopWC?.close()
                            self.embeddedPaymentPopWC = nil
                        }
                    }
                } else {
                    if self.successfulPaymentsNumber == 0 {
                        if let blockSelf = self.activityAlertViewController {
                            blockSelf.alertTitle = NSLocalizedString("Successful Activation!", comment: "")
                            blockSelf.alertMessage = NSLocalizedString("Congratulations! You can start using PDF Reader Pro features.", comment: "")
                            
                            var frame = self.window?.frame
                            frame!.origin.y -= blockSelf.view.frame.size.height-frame!.size.height
                            frame!.origin.x -= (blockSelf.view.frame.size.width-frame!.size.width)/2.0
                            frame!.size.width = blockSelf.view.frame.size.width
                            frame!.size.height = blockSelf.view.frame.size.height
                            self.mainBox.contentView = blockSelf.view
                            self.window?.setFrame(frame!, display: true, animate: true)
                            
                            self.embeddedPaymentPopWC?.close()
                            self.embeddedPaymentPopWC = nil
                        }
                    }
                }
            }
        }
    }
    
    private func confirmPayment(isConfirm: Bool) {
        if isConfirm {
            removeButton1.isEnabled = false
            addButton1.isEnabled = false
            aiAddOnButton1.isEnabled = false
            extendedButton1.isEnabled = false
            couponButton.isEnabled = false
            coupomTextField.isEnabled = false
            applyButton.isEnabled = false
            emailTextField.isEnabled = false
            licenseCodeTextField.isEnabled = false
        } else {
            removeButton1.isEnabled = true
            addButton1.isEnabled = true
            aiAddOnButton1.isEnabled = true
            extendedButton1.isEnabled = true
            coupomTextField.isEnabled = true
            couponButton.isEnabled = true
            emailTextField.isEnabled = true
            licenseCodeTextField.isEnabled = true
        }
    }
    
    private func emailErrorLabel(isReveal: Bool) {
        errorView.isHidden = !isReveal
        errorLabelTopLayout.constant = errorView.isHidden ? -CGRectGetHeight(errorView.bounds) : 4
    }
    
    private func refreshApplyButton(isReveal: Bool) {
        self.applyButton.isEnabled = isReveal
    }
    
    private func refreshLicenseCodeView(isReveal: Bool) {
        licenseCodeView.isHidden = !isReveal
        licenseCodeTopLayout.constant = licenseCodeView.isHidden ? -CGRectGetHeight(licenseCodeView.bounds)-8 : 8.0
        imageBottomLayout.constant = licenseCodeView.isHidden ? 16.0 : 8.0
        image2BottomLayout.constant = licenseCodeView.isHidden ? 20.0 : 8.0
    }
    
    private func refreshLicenseCodeErrorView(isReveal: Bool) {
        licenseCodeErrorView.isHidden = !isReveal
        licenseCodeErrorTopLayout.constant = licenseCodeErrorView.isHidden ? -CGRectGetHeight(licenseCodeErrorView.bounds) : 4.0
    }
    
    private func refreshCouponError(isReveal: Bool) {
        coupomErrorLabel.isHidden = !isReveal
        coupomErrorTopLayout.constant = coupomErrorLabel.isHidden ? -CGRectGetHeight(coupomErrorLabel.bounds) : 8.0
    }
    
    var activityAlertViewController: KMActivityALertViewController? {
        if _activityAlertViewController == nil {
            let blockSelf = self
            _activityAlertViewController = KMActivityALertViewController()
            _activityAlertViewController?.callback = {
                blockSelf.close()
            }
        }
        return _activityAlertViewController
    }

    // MARK: Show Methods
    
//    @IBAction private func dismissSheet(_ sender: NSButton) {
//        NSApp.endSheet(window!)
//        window!.orderOut(self)
//    }
//
//    
//    @objc private func didEndSheet(_ sheet: NSWindow?, returnCode: Int, contextInfo: UnsafeMutableRawPointer?) {
//        if contextInfo != nil && self.handler != nil {
//            self.handler!(returnCode)
//        }
//    }
//    
//    @objc func beginSheetModal(for window: NSWindow?, completionHandler handler: ((Int) -> Void)?) {
//        if window != nil {
//            window!.beginSheet(self.window!) { ModalResponse in
//                self.handler?(ModalResponse.rawValue)
//            }
//        }
//        self.handler = handler
//    }
}

extension DMGEmbeddedOldWC: NSTextFieldDelegate {
    func controlTextDidEndEditing(_ obj: Notification) {
        let textField = obj.object as? NSTextField
        if textField == amountTextField1 {
            if !isNumeric(textField!.stringValue) {
                if textField == amountTextField1 { textField?.stringValue = String(pdfCount) }
            } else {
                if textField == amountTextField1 {
                    pdfCount = Int(textField!.stringValue) ?? 1
                    if Int(textField!.stringValue)! > 9999 {
                        pdfCount = 9999
                        textField?.stringValue = String(pdfCount)
                    } else if Int(textField!.stringValue)! < 1 {
                        pdfCount = 1
                        textField?.stringValue = String(pdfCount)
                    }
                }
                if pdfCount > 100 {
                    wechatPayButton2.isHidden = false
                    cardButton.isHidden = true
                    wechatPayButton.isHidden = true
                    if _paymentMethod == .paddle {
                        paymentMethod = .paypal
                    }
                } else {
                    wechatPayButton2.isHidden = true
                    cardButton.isHidden = false
                    wechatPayButton.isHidden = false
                }
            }
            priceRefresh()
        } else if textField == emailTextField {
            emailErrorLabel(isReveal: false)
        } else if textField == paddleTextField {
            
        }
    }
    
    func controlTextDidChange(_ obj: Notification) {
        let textField = obj.object as? NSTextField
        if textField == amountTextField1 {
            if !isNumeric(textField!.stringValue) {
                if textField == amountTextField1 { textField?.stringValue = String(pdfCount) }
            } else {
                if Int(textField!.stringValue)! > 9999 {
                    textField?.stringValue = String(pdfCount)
                } else if Int(textField!.stringValue)! < 1 {
                    textField?.stringValue = String(pdfCount)
                }
            }
            priceRefresh()
        } else if textField == licenseCodeTextField {
            if textField!.stringValue.count > 0 {
                refreshLicenseCodeErrorView(isReveal: false)
            } else {
                refreshLicenseCodeErrorView(isReveal: false)
            }
        }
    }
}

extension DMGEmbeddedOldWC: NSWindowDelegate {
    func windowWillClose(_ notification: Notification) {
        if orderID != "" {
            pollingResult()
        }
        if self.embeddedPaymentPopWC != nil {
            self.embeddedPaymentPopWC?.close()
            self.embeddedPaymentPopWC = nil
        }
        DMGEmbeddedOldWC.currentWindowController = nil
    }
}
#endif