AIEmoji/AIEmoji/Business/TSPurchaseMembershipVC/TSPurchaseVideoTimesVC/TSPurchaseVideoTimesVC.swift

//
//  TSPurchaseVideoTimesVC.swift
//  AIEmoji
//
//  Created by 100Years on 2025/8/6.
//

import Combine
import SwiftUI
import SwiftUIX

class TSPurchaseVideoTimesVM : ObservableObject{
    
    @Published var selectedType: PremiumPeriod = .purchase(.videoNum2)
    
    /// 订阅publisher
    let buyPublisher  = PassthroughSubject<Bool,Never>()
    
    /// 订阅publisher
    let closePagePublisher  = PassthroughSubject<Bool,Never>()
}


class TSPurchaseVideoTimesVC: TSBaseVC {

    var isShowAlertModel:Bool//是否以弹窗的样式展现
    init(isShowAlertModel: Bool) {
        self.isShowAlertModel = isShowAlertModel
        super.init()
    }
    
    @MainActor required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    var cancellabel: [AnyCancellable] = []
    var viewModel: TSPurchaseVideoTimesVM = .init()
    var buyPeriod:PremiumPeriod = .year
    var isHandlePurchaseStateChanged = false //是否处理购买状态变化
    
    
    lazy var fullVC: UIHostingController<TSPurchaseVideoTimesView> = {
        let vc = UIHostingController(rootView: TSPurchaseVideoTimesView(viewModel: viewModel))
        vc.view.backgroundColor = .clear
        return vc
    }()
    
    lazy var alertVC: UIHostingController<TSPurchaseVideoTimesAlertView> = {
        let vc = UIHostingController(rootView: TSPurchaseVideoTimesAlertView(viewModel: viewModel))
        vc.view.backgroundColor = .clear
        return vc
    }()
    
    
    
    override func createView() {
        if isShowAlertModel {
            setUpAlerView()
        }else{
            setUpFullView()
        }
    }
    
    override func dealThings() {
        addNotifaction()
        onPurchaseStateChanged()
        NotificationCenter.default.addObserver(forName: .kPurchasePrepared, object: nil, queue: OperationQueue.main) { [weak self] _ in
            guard let self = self else { return }
            viewModel.selectedType = viewModel.selectedType
        }
    }
    
    func addNotifaction() {
        viewModel.buyPublisher.receive(on: DispatchQueue.main).sink { [weak self] _ in
            guard let self = self else { return }
            isHandlePurchaseStateChanged = true
            PurchaseManager.default.pay(for: self.viewModel.selectedType)
        }.store(in: &cancellabel)
        
        viewModel.closePagePublisher.receive(on: DispatchQueue.main).sink { [weak self] _ in
            guard let self = self else { return }
            closePage()
        }.store(in: &cancellabel)
    }
    
}

extension TSPurchaseVideoTimesVC {
    
    func setUpFullView(){
        addNormalNavBarView()
        setPageTitle("")
        
        contentView.snp.updateConstraints { make in
            make.top.equalTo(0)
        }
      
        let bgColorView = UIView(frame: UIScreen.main.bounds)
        bgColorView.addGradientBg(colors: ["#13052C".uiCGColor,"#160B2C".uiCGColor],startPoint: CGPoint(x: 0.5, y: 0),endPoint: CGPoint(x: 0.5, y: 1.0))
        contentView.addSubview(bgColorView)
        
        
        contentView.addSubview(fullVC.view)
        fullVC.view.snp.makeConstraints { make in
            make.leading.trailing.bottom.top.equalToSuperview()
        }
    }
    
}
extension TSPurchaseVideoTimesVC {
    
    func setUpAlerView(){
        setNavBarViewHidden(true)
        self.view.backgroundColor = .black.withAlphaComponent(0.5)
        
        contentView.addSubview(alertVC.view)
        alertVC.view.snp.makeConstraints { make in
            make.leading.trailing.bottom.top.equalToSuperview()
        }
    }
}


extension TSPurchaseVideoTimesVC {
    func onPurchaseStateChanged(){
        PurchaseManager.default.onPurchaseStateChanged = { [weak self] manager,state,object in
            guard let self = self else { return }
        
            if isHandlePurchaseStateChanged == false {
                debugPrint("purchaseManager.onPurchaseStateChanged 不处理")
                return
            }
            
            DispatchQueue.main.async {
                switch state {
                case .none:
                    break
                case .loading:
                    TSToastShared.showLoading(text: "Getting price".localized,containerView: self.view)
                case .loadSuccess:
                    TSToastShared.hideLoading()
                case .loadFail:
                    TSToastShared.hideLoading()
                    let message = "Failed to get the price, will automatically retry in 5 seconds".localized
                    TSToastShared.showToast(text: message)
                    DispatchQueue.main.asyncAfter(deadline: .now() + 5) {
                        PurchaseManager.default.requestProducts()
                    }
                case .paying:
                    TSToastShared.showLoading(text: "Purchasing now".localized,containerView: self.view)
                case .paySuccess:
                    TSToastShared.hideLoading()
                    var loadingText = "Congratulations on your purchase! You have %d video effect uses. Try now!".localized
                    if let purchaseNum = self.viewModel.selectedType.purchaseNum {
                        loadingText = String(format: "Congratulations on your purchase! You have %d video effect uses. Try now!".localized, purchaseNum)
                    }
                    debugPrint(loadingText)
                    TSToastShared.showToast(text:loadingText)
                    DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
                        self.closePage()
                    }

                case .payFail:
                    TSToastShared.hideLoading()
                    if let str = object as? String {
                        TSToastShared.showToast(text: str)
                    }
                    
                case .restoreing:
                    TSToastShared.showLoading(text: "Restoring now".localized,containerView: self.view)
                case .restoreSuccess:
                    TSToastShared.hideLoading()
                    var loadingText = "Congratulations on your purchase! You have %d video effect uses. Try now!".localized
                    if let purchaseNum = self.viewModel.selectedType.purchaseNum {
                        loadingText = String(format: "Congratulations on your purchase! You have %d video effect uses. Try now!".localized, purchaseNum)
                    }
                    debugPrint(loadingText)
                    TSToastShared.showToast(text:loadingText)
                    DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
                        self.closePage()
                    }
                    
                case .restoreFail:
                    TSToastShared.hideLoading()
                    let loadingText = (object as? String) ?? "Failed to restore subscribe, please try again".localized
                    debugPrint(loadingText)
                    TSToastShared.showToast(text: loadingText)
                case .verifying:
                    #if DEBUG
                    TSToastShared.showLoading(text: "Verifying receipt...".localized,containerView: self.view)
                    #endif
                case .verifySuccess:
                    break
                case .verifyFail:
                #if DEBUG
                    TSToastShared.hideLoading()
                    let message = (object as? String) ?? "Failed to validate receipt".localized
                    TSToastShared.showToast(text:message)

                #endif
                }
            }
            debugPrint("PurchaseManager onPurchaseStateChanged=\(String(describing: state))")
        }
    }
    
    @objc func closePage(){
        TSToastShared.hideLoading()
        self.dismiss(animated: true)
        NotificationCenter.default.post(name: .kCloseTSPurchaseVC, object: nil)
    }
}