AIEmoji/AIEmoji/Business/TSPurchaseMembershipVC/TSPurchaseVC.swift

//
//  TSPurchaseVC.swift
//  TSLiveWallpaper
//
//  Created by 100Years on 2025/1/14.
//

import Combine
import SwiftUI
import SwiftUIX
class PurchaseViewModel : ObservableObject{
    
    @Published var selectedType: PremiumPeriod = .year
    
    /// 订阅publisher
    let buyPublisher  = PassthroughSubject<Bool,Never>()
    /// 隐私
    let privacyPublisher = PassthroughSubject<Bool, Never>()
    /// term
    let termPublisher = PassthroughSubject<Bool, Never>()
    /// restore
    let restorePublisher = PassthroughSubject<Bool, Never>()
}


class TSPurchaseVC: TSBaseVC {
    
    var closePageBlock:(()->Void)?
    
    var viewModel: PurchaseViewModel = .init()
    var cancellabel: [AnyCancellable] = []
    var buyPeriod:PremiumPeriod = .year
    lazy var purchaseManager: PurchaseManager = {
        let purchaseManager = PurchaseManager.default
        return purchaseManager
    }()
    
    private var isHandlePurchaseStateChanged = true //是否处理购买状态变化
    
    func createImageScroll(imageName:String,direction:ImagesAnimateScrollView.`Direction`)->ImagesAnimateScrollView{
        let imageScroll1: ImagesAnimateScrollView = ImagesAnimateScrollView()
        imageScroll1.direction = direction
        imageScroll1.animationImageName = imageName
        imageScroll1.transform = CGAffineTransform(rotationAngle: CGFloat.pi/12)
        return imageScroll1
    }
    

    lazy var imageComparisonView: TYCycleImageComparisonView = {
        let imageComparisonView = TYCycleImageComparisonView()
        imageComparisonView.frame = CGRect(x: 0, y: 0, width: k_ScreenWidth, height: 532*kDesignScale)
        imageComparisonView.itemModelArray = [
            TSImageComparisonModel(oldImage: UIImage(named: "image_comparison_old_0")!, newImage: UIImage(named: "image_comparison_new_0")!),
            TSImageComparisonModel(oldImage: UIImage(named: "image_comparison_old_1")!, newImage: UIImage(named: "image_comparison_new_1")!),
            TSImageComparisonModel(oldImage: UIImage(named: "image_comparison_old_2")!, newImage: UIImage(named: "image_comparison_new_2")!),
            TSImageComparisonModel(oldImage: UIImage(named: "image_comparison_old_3")!, newImage: UIImage(named: "image_comparison_new_3")!),
            TSImageComparisonModel(oldImage: UIImage(named: "image_comparison_old_4")!, newImage: UIImage(named: "image_comparison_new_4")!)
        ]
        return imageComparisonView
    }()
    
    lazy var bgView: UIView = {
        let bgView = UIView()
        bgView.backgroundColor = .clear

        let imageView = UIImageView.createImageView(imageName: "purchase_bj",contentMode: .scaleAspectFill)
        bgView.addSubview(imageView)
        
        imageView.snp.makeConstraints { make in
            make.edges.equalToSuperview()
        }
        
        return bgView
    }()
    
    lazy var hostVc: UIHostingController<PurchaseView> = {
        if PurchaseManager.default.vipType == .none {
            viewModel.selectedType = .month
        }
        
        let vc = UIHostingController(rootView: PurchaseView(viewModel: viewModel))
        vc.view.backgroundColor = .clear
        return vc
    }()
    
    override func createView() {
        addNormalNavBarView()
        _ = setNavigationItem("", imageName: "close_gray", direction: .left, action: #selector(closePage))
        
        view.insertSubview(bgView, at: 0)
        bgView.snp.makeConstraints { make in
            make.leading.trailing.bottom.top.equalToSuperview()
        }
        
        bgView.insertSubview(imageComparisonView, at: 0)
        
//        setViewBgImageNamed(named: "purchase_bj")

        contentView.addSubview(hostVc.view)
        hostVc.view.snp.makeConstraints { make in
            make.leading.trailing.bottom.top.equalToSuperview()
        }
    }
    
    override func dealThings() {
        
        //周会员和月会员不自动处理变化,必须点击购买后才处理
        let vipType = purchaseManager.vipType
        if vipType == .week || vipType == .month {
            isHandlePurchaseStateChanged = false
        }

        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.privacyPublisher.receive(on: DispatchQueue.main).sink { [weak self] _ in
            guard let self = self else {
                return
            }
            
            let vc = TSBusinessWebVC(urlType: .privacy)
            vc.hidesBottomBarWhenPushed = true
            kPresentModalVC(target: self, modelVC: vc)
            
        }.store(in: &cancellabel)

        viewModel.termPublisher.receive(on: DispatchQueue.main).sink { [weak self] _ in
            guard let self = self else {
                return
            }
            
            let vc = TSBusinessWebVC(urlType: .terms)
            vc.hidesBottomBarWhenPushed = true
            kPresentModalVC(target: self, modelVC: vc)

        }.store(in: &cancellabel)

        viewModel.restorePublisher.receive(on: DispatchQueue.main).sink { [weak self] _ in
            guard let self = self else { return }
            isHandlePurchaseStateChanged = true
            PurchaseManager.default.restorePremium()
        }.store(in: &cancellabel)
    }
    
    
    func onPurchaseStateChanged(){
        purchaseManager.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 = "Finish".localized
                    if manager.isVip {
                        loadingText = manager.vipType == .year ? "Congratulations on being VIP of the Year!".localized : "Congratulation you have become VIP".localized
                    }
                    
                    TSToastShared.showToast(text:loadingText)
                    if manager.isVip {
                        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()
                    let loadingText = manager.isVip ? "Congratulation you have become VIP".localized : "Couldn't Restore Subscription".localized
                    debugPrint(loadingText)
                    TSToastShared.showToast(text:loadingText)
                    if manager.isVip {
                        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(){
        closePageBlock?()
        TSToastShared.hideLoading()
        self.dismiss(animated: true)
    }
    
    override func viewWillAppear(_ animated: Bool) {
         super.viewWillAppear(animated)
         // 禁用右滑返回手势
         navigationController?.interactivePopGestureRecognizer?.isEnabled = false
     }

     override func viewWillDisappear(_ animated: Bool) {
         super.viewWillDisappear(animated)
         // 恢复右滑返回手势
         navigationController?.interactivePopGestureRecognizer?.isEnabled = true
     }
    
    deinit {
        cancellabel.removeAll()
    }
}

func kJudgeVipFreeType(vipFreeNumType:VipFreeNumType,
               vc:UIViewController? = nil,
               closePageBlock:(()->Void)? = nil) -> Bool {
    //判断 vip
    return kJudgeVip(externalBool: kPurchaseDefault.freeNumAvailable(type: vipFreeNumType) == false, vc: vc ,closePageBlock: closePageBlock)
}


func kJudgeVip(externalBool:Bool,
               vc:UIViewController? = nil,
               closePageBlock:(()->Void)? = nil) -> Bool {
    //判断 vip
    if externalBool,
       PurchaseManager.default.isVip == false
    {
        if let vc = vc {
            TSPurchaseVC.show(target: vc, closePageBlock: nil)
        }else if let rootVC = WindowHelper.getRootViewController() {
            TSPurchaseVC.show(target: rootVC, closePageBlock: nil)
        }
        return true
    }
    return false
}

extension TSPurchaseVC{
    
    static func show(target:UIViewController,closePageBlock:(()->Void)?){
        kDelayMainShort {
            let vc = TSPurchaseVC()
            vc.closePageBlock = closePageBlock
            let navi = TSBaseNavigationC(rootViewController: vc)
            navi.modalPresentationStyle = .overFullScreen
            target.present(navi, animated: true)
        }
    }

}


struct PurchaseView :View {
    
    @ObservedObject var viewModel: PurchaseViewModel
    
    
    var body: some View {
        

        let vipType = PurchaseManager.default.vipType
        
        VStack {
            Spacer()
            
            VStack {
                let text = vipType == .none ? "Get PRO Access".localized : "Super Offer for Yearly Pro".localized
                Text(text)
                    .multilineTextAlignment(.center)
                    .font(.font(name: .PoppinsBoldItalic,size: 26))
                    .foregroundColor(UIColor.white.color)
                    .frame(width: k_ScreenWidth - 32, alignment: .center)
                
                if vipType == .none {
                    Spacer().frame(height: 12)
                    HStack {
                        Text("Unlimited")
                            .foregroundColor("#FECB34".uiColor.color)
                        
                        Text("Generation")
                            .foregroundColor(UIColor.white.color)
                        
                    }
                    .multilineTextAlignment(.center)
                    .font(.font(name: .PoppinsBoldItalic,size: 26))
                    .frame(height: 26*kDesignScale)
                }
            }
            
            Spacer().frame(height: 32)
            
            VStack(spacing: 12) {
                
                if vipType == .none {
                    ZStack(alignment: .topTrailing) {
                        PurchaseItemView(title: "One Month".localized, type: .month, selectedType: $viewModel.selectedType).onTapGesture {
                            viewModel.selectedType = .month
                        }
                        TSVipRecView(save: vipType.saveString)
                            .offset(x:-30,y:-14)
                    }
                    
                    PurchaseItemView(title: "One Week".localized, type: .week, selectedType: $viewModel.selectedType).onTapGesture {
                        viewModel.selectedType = .week
                    }
                }else{
                    PurchaseItemTypeOneView(title: "One Year".localized, type: .year, selectedType: $viewModel.selectedType).onTapGesture {
                        viewModel.selectedType = .year
                    }
                }
                
                Spacer().frame(height: 4)
                
                Button {
                    viewModel.buyPublisher.send(true)
                } label: {
                    ZStack {
                        UIColor.themeColor.color
                        Text("Continue")
                            .font(.font(size: 16,weight: .medium))
                            .foregroundColor(.hex("#111111"))
                        
                    }.frame(maxWidth: .infinity ,minHeight: 48.0,maxHeight: 48.0)
                        .cornerRadius(24.0)
                }
                
                HStack {
                    Text("Recurring billing, cancel anytime".localized)
                        .foregroundColor(Color.hex("#FFBD59")) +
                    Text(",Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions automatically renew for the same applicable term and price, unless auto-renew is turned off at least 24 hours before the end of the current period.".localized)
                        .foregroundColor(UIColor.lesserText.color)
                }
                .multilineTextAlignment(.center).font(.font(size: 8))
                .onTapGesture {
                    viewModel.privacyPublisher.send(true)
                }
                
                Spacer().frame(height: 6.0)
                
                HStack(spacing: 8) {
                    Text("Terms of us".localized)
                        .onTapGesture {
                            viewModel.termPublisher.send(true)
                        }
                    Text("|")
                    Text("Privacy Policy".localized)
                        .onTapGesture {
                            viewModel.privacyPublisher.send(true)
                        }
                    Text("|")
                    Text("Restore".localized)
                        .onTapGesture {
                            viewModel.restorePublisher.send(true)
                        }
                }.font(.system(size: 12)).foregroundColor(.hex("#999999"))
            }.padding(.horizontal)
            
            Spacer().frame(height:9+k_Height_safeAreaInsetsBottom())
        }
    }
    
    // 定义一个返回 View 的方法
    func customText(text:String,fontName:FontName,color:Color) -> some View {
        let gorgeousColor = color //UIColor.themeColor.color
        return Text(text)
            .font(.font(name: fontName,size: 48))
        
            .gradientForeground(
                colors: [.hex("#FA794F"),.hex("#F8C32A"),.hex("#FEFBF4")],
                startPoint: UnitPoint.leading,
                endPoint: UnitPoint.trailing
            )

            .foregroundColor(gorgeousColor)
            .frame(height: 20)
    }
}


struct PurchaseItemView: View {
    var title: String
    var type: PremiumPeriod
    @Binding var selectedType: PremiumPeriod

    var body: some View {
        ZStack {
            Color.white.opacity(0.1)
            HStack {
                //左边加个
                VStack(alignment: .leading, spacing: 14) {
                    Text(title).font(.font(size: 14)).foregroundColor(UIColor.white.color)
                    Text(PurchaseManager.default.price(for: type) ?? "--").font(.font(size: 18,weight: .medium)).foregroundColor(UIColor.mainText.color)
                }

                Spacer()
                
                //右边每周的💰
                VStack(alignment: .trailing, spacing: 2) {
                    Text("\(PurchaseManager.default.averageWeekly(for:type) ?? "--")")
                    Text("Per week".localized)
             
                }.font(.font(size: 16,weight: .regular)).foregroundColor(Color.white.opacity(0.6))

            }.padding(.horizontal)
        }
        .frame(height: 74) // 设置高度
        .cornerRadius(16.0) // 圆角
        .overlay(
            RoundedRectangle(cornerRadius: 16)
                .stroke(Color.hex("#FECB34"), lineWidth: type == selectedType ? 1 : 0) // 边框
        )
    }
}

struct PurchaseItemTypeOneView: View {
    var title: String
    var type: PremiumPeriod
    @Binding var selectedType: PremiumPeriod

    var body: some View {
        ZStack {
            Color.white.opacity(0.1)
            HStack {
                //左边加个
                VStack(alignment: .leading, spacing: 8) {
                    Text(title).font(.font(size: 14,weight: .medium)).foregroundColor(UIColor.white.color)
                    Text(String(format:"Only %@ per day".localized,"\(PurchaseManager.default.averageDay(for:type) ?? "--")"))
                        .font(.font(size: 12,weight: .medium))
                        . foregroundColor(UIColor.white.color).opacity(0.7)
                }

                Spacer()
                
                Text(PurchaseManager.default.price(for: type) ?? "--").font(.font(size: 18,weight: .medium)).foregroundColor(UIColor.mainText.color)

            }.padding(.horizontal)
        }
        .frame(height: 74) // 设置高度
        .cornerRadius(16.0) // 圆角
        .overlay(
            RoundedRectangle(cornerRadius: 16)
                .stroke(Color.hex("#FECB34"), lineWidth: type == selectedType ? 1 : 0) // 边框
        )
    }
}

//推荐选择view
struct TSVipRecView: View {
    var save:String //年 80%,月 30%
    var body: some View {
    
        HStack(spacing: 4) {
            Image("upvote_black").resizable().frame(width: 16, height: 16)
            Text("Save-Vip".localized + " " + save).font(.font(size: 12,weight: .medium)).foregroundColor(.hex("#111111"))
        }
        .padding(EdgeInsets(top: 6, leading: 6, bottom: 6, trailing: 6))
        .background(Color.hex("#FECB34"))
        .frame(height: 28) // 设置高度
        .cornerRadius([.topLeading, .topTrailing, .bottomLeading, .bottomTrailing], 16.0)
    }
}