//
//  QSLVipManager.swift
//  QuickSearchLocation
//
//  Created by Destiny on 2024/12/11.
//

import StoreKit

typealias payComplete = ((QSLPayStatus, String) -> ())
typealias restoreComplete = ((Bool) -> ())

enum QSLPayStatus: Int {
    case fail = 0
    case success
    case cancel
    case ignore
    case searchFail
}

class QSLVipManager: NSObject {
    
    static let shared = QSLVipManager()
    
    // 选择支付的商品
    var selectGoods: QSLGoodModel?
    // 订单模型
    var orderModel: QSLOrderModel?
    
    var payCompleteCloure: payComplete?
    
    var restoreCompleteClosure: restoreComplete?
    
    // 支付查询的次数
    var statusSearchCount = 0
    
    var isCheck: Bool = false
    // 是否正在恢复
    var isPaying: Bool = false
    // 是否正在恢复
    var isRestoring: Bool = false
    
    override init() {
        super.init()
        SKPaymentQueue.default().add(self)
    }
    
    deinit {
        SKPaymentQueue.default().remove(self)
    }
}

extension QSLVipManager {
    
//    func check() {
//        print("检查自动续费订单")
//        self.isCheck = true
//    }
    
    // 开始支付
    func startPay(goods: QSLGoodModel, complete: payComplete?) {
        
        self.isPaying = true
        self.isCheck = false
        
        // 支付前查询自动续费的订单，将订单置为支付状态
        let transactions = SKPaymentQueue.default().transactions
        if transactions.count > 0 {
            for tran in transactions {
                if tran.transactionState == .purchased {
                    SKPaymentQueue.default().finishTransaction(tran)
                }
            }
        }
        
        selectGoods = goods
        payCompleteCloure = complete
        
        self.requestOrderPay()
    }
    
    // 应用启动后检查未支付完成的订单
    func openAppRePay(receiptData: String, complete: payComplete?) {
        
        payCompleteCloure = complete
        self.requestOrderResult(receiptData: receiptData)
    }
    
    // 恢复订阅
    func restoreAction(complete: restoreComplete?) {
        
        if complete != nil {
            self.restoreCompleteClosure = complete
        }
        
        // 支付前查询自动续费的订单，将订单置为支付状态
        let transactions = SKPaymentQueue.default().transactions
        if transactions.count > 0 {
            for tran in transactions {
                if tran.transactionState == .purchased {
                    SKPaymentQueue.default().finishTransaction(tran)
                }
            }
        }
        
        self.isPaying = true
        self.isCheck = false
        
        print("开始恢复订阅")
        SKPaymentQueue.default().restoreCompletedTransactions()
        
        Timer.scheduledTimer(withTimeInterval: 15.0, repeats: false) { timer in
            if let restoreCompleteClosure = self.restoreCompleteClosure {
                print("恢复订阅 15秒超时")
                restoreCompleteClosure(false)
            }
            self.restoreCompleteClosure = nil
            // 停止定时器并从运行循环中移除
            timer.invalidate()
        }
    }
}

// 网络请求
extension QSLVipManager {
    
    // 发起支付请求
    func requestOrderPay() {
        
        var dict = [String: Any]()
        dict["itemId"] = self.selectGoods?.goodId
        dict["payPlatform"] = 2
        dict["payMethod"] = 3
        
        QSLNetwork().request(.vipOrderSubmitAndPay(dict: dict)) { response in
            self.orderModel = response.mapObject(QSLOrderModel.self, modelKey: "data")
            if let selectGoods = self.selectGoods {
                self.orderModel?.selectGoods = selectGoods
            }
            self.submitIAP()
        } fail: { code, msg in
            if let payCompleteCloure = self.payCompleteCloure {
                payCompleteCloure(.fail, msg)
                self.payCompleteCloure = nil
            }
        }
    }
    
    // 网络请求订单结果
    func requestOrderResult(receiptData: String) {
        
        var dict = [String: String]()
        
        if let tradeNum = self.orderModel?.outTradeNo {
            dict["outTradeNo"] = tradeNum
            dict["receiptData"] = receiptData
        }
        
        QSLNetwork().request(.vipOrderPayStatus(dict: dict)) { [weak self] response in
            let payStatus = response.toJSON(modelKey: "data>payStatus").intValue
            // 继续轮询查询支付状态
            if payStatus == 0 || payStatus == 1 {
                QSLVipManager.shared.statusSearchCount = QSLVipManager.shared.statusSearchCount + 1
                if QSLVipManager.shared.statusSearchCount < 10 {
                    self?.cacheOrder(isFinish: false)
                    DispatchQueue.main.asyncAfter(deadline: .now() + 3.0) {
                        // 在主线程上执行查询
                        DispatchQueue.main.async {
                            self?.requestOrderResult(receiptData: receiptData)
                        }
                    }
                } else {
                    self?.cacheOrder(isFinish: false)
                    // 查询失败
                    if let payCompleteCloure = self?.payCompleteCloure {
                        payCompleteCloure(.searchFail, "")
                    }
                    self?.payCompleteCloure = nil
                    QSLVipManager.shared.statusSearchCount = 0
                }
            } else if payStatus == 2 {
                self?.cacheOrder(isFinish: true)
                // 支付成功
                if let payCompleteCloure = self?.payCompleteCloure {
                    payCompleteCloure(.success, self?.orderModel?.outTradeNo ?? "")
                }
                self?.payCompleteCloure = nil
                QSLVipManager.shared.statusSearchCount = 0
            } else if payStatus == 3 {
                self?.cacheOrder(isFinish: false)
                // 支付失败
                if let payCompleteCloure = self?.payCompleteCloure {
                    payCompleteCloure(.fail, "")
                }
                self?.payCompleteCloure = nil
                QSLVipManager.shared.statusSearchCount = 0
            } else if payStatus == 4 {
                QSLVipManager.shared.statusSearchCount = 0
            }
        } fail: { code, msg in
        
            self.cacheOrder(isFinish: false)
            if let payCompleteCloure = self.payCompleteCloure {
                payCompleteCloure(.fail, "")
            }
            self.payCompleteCloure = nil
            QSLVipManager.shared.statusSearchCount = 0
        }
    }
    
    func requestRestoreOrder(receiptData: String) {
        
        self.isRestoring = true
        
        var params: [String: Any] = [String: Any]()
        params["receiptData"] = receiptData
        params["payPlatform"] = 2
        params["payMethod"] = 3
        
        QSLNetwork().request(.vipMemberResume(dict: params)) { response in
            
            self.isRestoring = false
            if let restoreCompleteClosure = self.restoreCompleteClosure {
                restoreCompleteClosure(true)
            }
            self.restoreCompleteClosure = nil
        } fail: { code, msg in
            
            if let restoreCompleteClosure = self.restoreCompleteClosure {
                restoreCompleteClosure(false)
            }
            self.restoreCompleteClosure = nil
        }
    }
}

extension QSLVipManager: SKPaymentTransactionObserver {
    
    // 提交内购
    func submitIAP() {
        
        if SKPaymentQueue.canMakePayments() {
            
            let payment = SKMutablePayment()
            if let appleGoodId = self.selectGoods?.appleGoodsId {
                payment.productIdentifier = appleGoodId
            }
            payment.applicationUsername = self.orderModel?.appAccountToken
            payment.quantity = 1
            SKPaymentQueue.default().add(payment)
        }
    }
    
    // 查询订单
    func localSearchOrder(transaction: SKPaymentTransaction) {
        
        if let receiptUrl = Bundle.main.appStoreReceiptURL {
            let receiptData = try? Data(contentsOf: receiptUrl)
            if let receiptString = receiptData?.base64EncodedString(options: .endLineWithLineFeed) {
                debugPrint("receiptString = \(String(describing: receiptString))")
                
//                if let orderModel = HolaOrderCacheManager.getModel() {
//                    if orderModel.receiptData.count > 0 {
//                        if orderModel.receiptData == receiptString {
//                            // 支付失败
//                            if let payCompleteCloure = self.payCompleteCloure {
//                                payCompleteCloure(.cancel, "")
//                            }
//                            self.payCompleteCloure = nil
//                            return
//                        }
//                    }
//                }
                self.orderModel?.receiptData = receiptString
                self.cacheOrder(isFinish: false)
                self.requestOrderResult(receiptData: receiptString)
            }
        }
    }
    
    // 恢复订阅
    func restoreOrder(transaction: SKPaymentTransaction) {
        
        if isRestoring { return }
        
        if let receiptUrl = Bundle.main.appStoreReceiptURL {
            let receiptData = try? Data(contentsOf: receiptUrl)
            if let receiptString = receiptData?.base64EncodedString(options: .endLineWithLineFeed) {
                debugPrint("receiptString = \(String(describing: receiptString))")
                self.requestRestoreOrder(receiptData: receiptString)
            }
        }
    }
    
    // 缓存支付的结果
    func cacheOrder(isFinish: Bool) {
        
        if var order = self.orderModel {
            order.isFinish = isFinish
            QSLCacheManager.cacheOrderModel(order)
        }
    }
    
    func paymentQueue(_ queue: SKPaymentQueue, updatedTransactions transactions: [SKPaymentTransaction]) {
        
        print("监听AppStore支付状态 updatedTransactions")
        
        DispatchQueue.main.async {
            for tran in transactions {
                switch tran.transactionState {
                    
                case .purchased:
                    print("商品已苹果支付成功")
                    
                    if self.isCheck {
                        SKPaymentQueue.default().finishTransaction(tran)
                    } else {
                        self.localSearchOrder(transaction: tran)
                        SKPaymentQueue.default().finishTransaction(tran)
                    }
                case .purchasing:
                    print("正在购买中，商品已添加进列表")
                case .restored:
                    print("恢复订阅")
                    self.restoreOrder(transaction: tran)
                    SKPaymentQueue.default().finishTransaction(tran)
                case .failed:
                    print("商品支付失败")
                    // 需要前台响应
                    if let payCompleteCloure = self.payCompleteCloure {
                        payCompleteCloure(.fail, "")
                    }
                    self.payCompleteCloure = nil
                    // 需要前台响应
                    if let restoreCompleteClosure = self.restoreCompleteClosure {
                        restoreCompleteClosure(false)
                    }
                    self.restoreCompleteClosure = nil
                    SKPaymentQueue.default().finishTransaction(tran)
                    
                case .deferred:
                    print("未确定")
                default:
                    break
                }
            }
        }
    }
    
    func paymentQueue(_ queue: SKPaymentQueue, restoreCompletedTransactionsFailedWithError error: Error) {
        print("恢复购买失败\(error.localizedDescription)")
    }
}