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
    }()
    
    
    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 bgView: UIView = {
        let bgView = UIView()
        bgView.backgroundColor = .clear
        
        let imageScroll1 = createImageScroll(imageName: "img-premium-photos-1", direction: .topToBottom)
        let imageScroll2 = createImageScroll(imageName: "img-premium-photos-2", direction: .bottomToTop)
        let imageScroll3 = createImageScroll(imageName: "img-premium-photos-3", direction: .topToBottom)
        let imageScroll4 = createImageScroll(imageName: "img-premium-photos-4", direction: .bottomToTop)
        let imageScroll5 = createImageScroll(imageName: "img-premium-photos-5", direction: .topToBottom)
        
        bgView.addSubview(imageScroll1)
        bgView.addSubview(imageScroll2)
        bgView.addSubview(imageScroll3)
        bgView.addSubview(imageScroll4)
        bgView.addSubview(imageScroll5)
        
        let top = -40.0
        let w = 110.0
        let h = 600//554.0
        
        //中间
        imageScroll3.snp.makeConstraints { make in
            make.top.equalTo(top)
            make.centerX.equalToSuperview()
            make.width.equalTo(w)
            make.height.equalTo(h)
        }
        //左边
        imageScroll2.snp.makeConstraints { make in
            make.top.equalTo(top)
            make.trailing.equalTo(imageScroll3.snp.leading).offset(-12)
            make.width.equalTo(w)
            make.height.equalTo(h)
        }
        
        imageScroll1.snp.makeConstraints { make in
            make.top.equalTo(top)
            make.trailing.equalTo(imageScroll2.snp.leading).offset(-12)
            make.width.equalTo(w)
            make.height.equalTo(h)
        }
        
        //右边
        imageScroll4.snp.makeConstraints { make in
            make.top.equalTo(top)
            make.leading.equalTo(imageScroll3.snp.trailing).offset(12)
            make.width.equalTo(w)
            make.height.equalTo(h)
        }
        
        imageScroll5.snp.makeConstraints { make in
            make.top.equalTo(top)
            make.leading.equalTo(imageScroll4.snp.trailing).offset(12)
            make.width.equalTo(w)
            make.height.equalTo(h)
        }
        
        
        kDelayMainShort {//0.1 秒后开启动画
            imageScroll1.startAnimation()
            imageScroll2.startAnimation()
            imageScroll3.startAnimation()
            imageScroll4.startAnimation()
            imageScroll5.startAnimation()
        }
        
        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> = {
        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()
        }
        
//        setViewBgImageNamed(named: "purchase_bj")

        contentView.addSubview(hostVc.view)
        hostVc.view.snp.makeConstraints { make in
            make.leading.trailing.bottom.top.equalToSuperview()
        }
    }
    
    override func dealThings() {
        addNotifaction()
        onPurchaseStateChanged()
    }
    
    
    func addNotifaction() {

        viewModel.buyPublisher.receive(on: DispatchQueue.main).sink { [weak self] _ in
            guard let self = self else {
                return
            }
            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 { _ in
            PurchaseManager.default.restorePremium()
        }.store(in: &cancellabel)
    }
    
    
    func onPurchaseStateChanged(){
        purchaseManager.onPurchaseStateChanged = { [weak self] manager,state,object in
            guard let self = self else { 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()
                    let loadingText = manager.isVip ? "Congratulation you have become VIP".localized : "Finish".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)
    }
    
    
    deinit {
        cancellabel.removeAll()
    }
}






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


extension TSPurchaseVC{
    
    static func show(target:UIViewController,closePageBlock:(()->Void)?){
        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 {
        ScrollView {
            Spacer().frame(height: 31)
            
            VStack {
         
                customText(text: "\(kAppName) ",fontName: .KelsiFill,color:UIColor.themeColor.color).frame(height: 53*kDesignScale)
                
                Spacer().frame(height: 16)
                
                Text("Premium".localized)
                    .font(.font(size: 16))
                    .padding(EdgeInsets(top: 0, leading: 20, bottom: 0, trailing: 20))
                    .frame(height: 34)
                    .foregroundColor(.white)
                    .background(.hex("#222222"))
                    .cornerRadius(17.0)
                    .overlay(
                        RoundedRectangle(cornerRadius: 16)
                            .stroke(Color.hex("#FA794F"), lineWidth: 2) // 边框
                    )

                Spacer().frame(height: 36)
                
                ZStack {
                    VStack(alignment: .leading,spacing: 16) {
                        
                        HStack(spacing: 12) {
                            Image("vip_feature_1").resizable().frame(width: 24, height: 24)
                            Text("Unlimited AI image generation".localized)
                        }
                        
                        HStack(spacing: 12) {
                            Image("vip_feature_2").resizable().frame(width: 24, height: 24)
                            Text("Change image styles".localized)
                        }
                        
                        HStack(spacing: 12) {
                            Image("vip_feature_3").resizable().frame(width: 24, height: 24)
                            Text("Unlimited AI chat".localized).multilineTextAlignment(.leading)
                        }
                        
                        HStack(spacing: 12) {
                            Image("vip_feature_4").resizable().frame(width: 24, height: 24)
                            Text("Ad-free experience".localized).multilineTextAlignment(.leading)
                        }
                        
                    }.font(.font(size: 16)).foregroundColor(UIColor.white.color)
                }
         
            }
            
            Spacer().frame(height: 44)
            
            
            VStack(spacing: 12) {
                
                ZStack(alignment: .topTrailing) {
                    PurchaseItemView(title: "One Year".localized, type: .year, selectedType: $viewModel.selectedType).onTapGesture {
                        viewModel.selectedType = .year
                    }
                    TSVipRecView()
                        .offset(y:-14)
                }
          
                HStack {
                    PurchaseItemView(title: "One Month".localized, type: .month, selectedType: $viewModel.selectedType).onTapGesture {
                        viewModel.selectedType = .month
                    }
                    PurchaseItemView(title: "One Week".localized, type: .week, selectedType: $viewModel.selectedType).onTapGesture {
                        viewModel.selectedType = .week
                    }
                }

                Button {
                    viewModel.buyPublisher.send(true)
                } label: {
                    ZStack {
                        Color.hex("#FFBD59")
                        Text("Continue")
                            .font(.system(size: 16))
                            .foregroundColor(.hex("#111111"))
                            
                    }.frame(maxWidth: .infinity ,minHeight: 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)
        }
    }
    
    // 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
            )
        
        
//            .shadow(color: gorgeousColor.opacity(0.7), radius: 6, x: 0, y: 0)
        
            .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 {
                VStack(alignment: .leading, spacing: 8) {
                    Text(title).font(.font(size: 14)).foregroundColor(UIColor.textAssist.color)
                    Text(PurchaseManager.default.price(for: type) ?? "--").font(.font(size: 18,weight: .medium)).foregroundColor(UIColor.mainText.color)
                }
                Spacer()
                if type == selectedType {
                    Image(.radioboxSelected)
                }
            }.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 body: some View {
    
        HStack(spacing: 4) {
            Image("upvote_black").resizable().frame(width: 16, height: 16)
            Text("Save-Vip".localized + "60%").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], 16.0)
    }
}