//
//  TSDiscoverVC.swift
//  AIEmoji
//
//  Created by 100Years on 2025/6/23.
//

class TSDiscoverVC: TSBaseVC {

    let viewModel = kTSDiscoverVM
    var hintBaseVC:TSAIListHintBaseVC = TSAIListHintBaseVC(config: .defaultConfig)
    lazy var photoPickerManager: TSPhotoPickerManager = TSPhotoPickerManager(viewController: self)
    
//    lazy var vipBtn: UIButton = {
//        let vipBtn = UIButton.createButton(image: UIImage(named: "nav_vip")) { [weak self]  in
//            guard let self = self else { return }
//            if kPurchaseCountDownTime.isCountDown {
//                kPresentModalVC(target: self, modelVC: TSPurchasePromotionalVC(isAnimation: false))
//            }else{
//                TSPurchaseVC.show(target: self)
//            }
//        }
//        vipBtn.isHidden = true
//       return vipBtn
//   }()
//    
//    lazy var purchaseCountdownView : TSPurchaseCountdownView = {
//       let purchaseCountdownView = TSPurchaseCountdownView()
//        purchaseCountdownView.clickBlock = { [weak self]  in
//            guard let self = self else { return }
//            kPresentModalVC(target: self, modelVC: TSPurchasePromotionalVC(isAnimation: false))
//        }
//        purchaseCountdownView.isHidden = true
//       return purchaseCountdownView
//   }()
//    lazy var navBarView: TSBaseNavContentBarView = {
//        let navBarView = TSBaseNavContentBarView()
//
//        let label = UILabel.createLabel(text: "Discover".localized,font: .font(size: 22,weight: .semibold),textColor: .white)
//        label.addShadow(shadowColor: UIColor.black.cgColor, shadowOffset: CGSize(width: 2, height: 2), shadowRadius: 2, shadowOpacity: 0.3)
//        navBarView.barView.addSubview(label)
//        label.snp.makeConstraints { make in
//            make.centerY.equalToSuperview()
//            make.leading.equalTo(17.0)
//        }
//        
//
//        let stackView:UIStackView = UIStackView()
//        stackView.spacing = 8
//        navBarView.barView.addSubview(stackView)
//        stackView.addArrangedSubview(vipBtn)
//        stackView.addArrangedSubview(purchaseCountdownView)
//        stackView.snp.makeConstraints { make in
//            make.centerY.equalToSuperview()
//            make.trailing.equalTo(-16)
//        }
//        vipBtn.snp.makeConstraints { make in
//            make.width.height.equalTo(24)
//        }
//        
//        purchaseCountdownView.snp.makeConstraints { make in
//            make.height.equalTo(24)
//        }
//
//        
//       return navBarView
//    }()
    
    
    lazy var collectionView: TSBaseCollectionView = {
        let collectionViewLayout = UICollectionViewFlowLayout()
        let collectionView = TSBaseCollectionView(frame: .zero, collectionViewLayout: collectionViewLayout)
        collectionView.delegate = self
        collectionView.dataSource = self
        for cases in TSDiscoverViewStyle.allCases {
            collectionView.register(cases.cell, forCellWithReuseIdentifier: String(describing: cases.cell))
        }
        collectionView.register(TSDiscoverHeaderView.self, forSupplementaryViewOfKind: UICollectionView.elementKindSectionHeader, withReuseIdentifier: "TSDiscoverHeaderView")
  
        return collectionView
    }()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        ClickEvent.logEvent(type: .discoverTab)
    }
    
    override func createView() {
        addNormalNavBarView()

//        navBarContentView.addSubview(navBarView)
//        navBarView.snp.makeConstraints { make in
//            make.edges.equalToSuperview()
//        }
        
        contentView.snp.updateConstraints { make in
            make.top.equalTo(0)
        }
        
        contentView.addSubview(collectionView)
        collectionView.snp.makeConstraints { make in
            make.edges.equalToSuperview()
        }
        
        TSDiscoverStyleMoreBaseCell.collectionView = collectionView
    }
    
    override func dealThings() {
//        NotificationCenter.default.addObserver(self, selector: #selector(updateVipView), name: .kPurchaseDidChanged, object: nil)
//        updateVipView()
//        NotificationCenter.default.addObserver(self, selector: #selector(checkkPurchaseCountDownTime), name: .kCloseTSPurchasePromotionalVC, object: nil)
//        checkkPurchaseCountDownTime()
    }
    
//    @objc func updateVipView() {
//        kMainAsync{
//            self.vipBtn.isHidden = PurchaseManager.default.isVip
//            self.checkkPurchaseCountDownTime()
//        }
//    }
//    
//    @objc func checkkPurchaseCountDownTime(){
//        if kPurchaseCountDownTime.isCountDown {
//            self.purchaseCountdownView.isHidden = false
//            kPurchaseCountDownTime.complete = { [weak self] minutes, seconds, end in
//                guard let self = self else { return }
//                if end {
//                    self.purchaseCountdownView.isHidden = true
//                }else{
//                    self.purchaseCountdownView.minLabel.text = minutes
//                    self.purchaseCountdownView.secLabel.text = seconds
//                }
//            }
//        }else{
//            self.purchaseCountdownView.isHidden = true
//        }
//    }
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
//        checkkPurchaseCountDownTime()
    }
}

extension TSDiscoverVC: UICollectionViewDataSource ,UICollectionViewDelegate,UICollectionViewDelegateFlowLayout{
    
    func numberOfSections(in collectionView: UICollectionView) -> Int {
        return viewModel.discoverDatas.count
    }
    
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        if let secModel = viewModel.discoverDatas.safeObj(At:section){
            return secModel.items.count
        }
        return 0
    }
    
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        
        if let secModel = viewModel.discoverDatas.safeObj(At:indexPath.section),let cell = collectionView.dequeueReusableCell(withReuseIdentifier: String(describing:secModel.style.cell), for: indexPath) as? TSDiscoverBaseCell, let item = secModel.items.safeObj(At:indexPath.row){
            cell.items = item
            cell.clickBlock = { [weak self] model  in
                guard let self = self else { return }
                if let secModel = viewModel.discoverDatas.safeObj(At:indexPath.section) {
                    TSDiscoverVC.clickCell(target: self,indexPath: indexPath, itemModel:model,secModel: secModel)
                }
            }
            
            cell.clickSpecialBlock = { [weak self] cmd,data in
                guard let self = self else { return }
                clickSpecialBlock(cmd: cmd, data: data)
            }
            
            return cell
        }
        return UICollectionViewCell()
    }

    func collectionView(_ collectionView: UICollectionView, viewForSupplementaryElementOfKind kind: String, at indexPath: IndexPath) -> UICollectionReusableView {
        if let secModel = viewModel.discoverDatas.safeObj(At:indexPath.section),
           kind == UICollectionView.elementKindSectionHeader,
           let header = collectionView.dequeueReusableSupplementaryView(ofKind: kind, withReuseIdentifier: "TSDiscoverHeaderView", for: indexPath) as? TSDiscoverHeaderView{
            header.sectionModel = secModel
            header.clickBlock = { [weak self] model in
                guard let self = self else { return }
                clickHeader(indexPath: indexPath,model: model)
            }
            return header
        }
        return UICollectionReusableView()
    }
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize{
        if let secModel = viewModel.discoverDatas.safeObj(At:indexPath.section) {
            return secModel.style.itemSize
        }
        return .zero
    }

    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAt section: Int) -> UIEdgeInsets{
        if let secModel = viewModel.discoverDatas.safeObj(At:section) {
            var sectionEdge = UIEdgeInsets(top: 0, left: kDiscoverSection.left, bottom: 0, right: kDiscoverSection.right)
            if secModel.title.isEmpty,section != 0 {
                sectionEdge = UIEdgeInsets(top: 20, left: kDiscoverSection.left, bottom: 0, right: kDiscoverSection.right)
            }
            if section == viewModel.discoverDatas.count-1 {
                sectionEdge = UIEdgeInsets(top: sectionEdge.top, left: sectionEdge.left, bottom: sectionEdge.bottom+20, right: sectionEdge.right)
            }
            return sectionEdge
        }
        return .zero
    }

    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, referenceSizeForHeaderInSection section: Int) -> CGSize {
        if let secModel = viewModel.discoverDatas.safeObj(At:section),secModel.title.count > 0 {
            return CGSize(width: k_ScreenWidth, height: kDiscoverSectionH)
        }
        return .zero
    }
    
    // 当cell即将显示时恢复播放
    func collectionView(_ collectionView: UICollectionView, willDisplay cell: UICollectionViewCell, forItemAt indexPath: IndexPath) {
        if let cell = cell as? TSDiscoverBaseCell {
            cell.willDisplay(indexPath: indexPath)
        }
    }
    
    // 当cell结束显示时暂停播放
    func collectionView(_ collectionView: UICollectionView, didEndDisplaying cell: UICollectionViewCell, forItemAt indexPath: IndexPath) {
        if let cell = cell as? TSDiscoverBaseCell {
            cell.didEndDisplaying(indexPath: indexPath)
        }
    }
}
//extension TSDiscoverVC: UIScrollViewDelegate {
//    // 开始拖拽（用户开始滚动）
//    func scrollViewDidScroll(_ scrollView: UIScrollView) {
////        dePrint("scrollView.contentOffset.y=\(scrollView.contentOffset.y)")
//        
//        let height:CGFloat = 50 + k_Nav_Height
//        
////        let alpha = scrollView.contentOffset.y/height
////        navBarView.backgroundColor = .mainBg.withAlphaComponent(alpha)
//        
//        navBarView.backgroundColor = scrollView.contentOffset.y >= height ? .mainBg : .clear
//    }
//}
//extension TSDiscoverVC: UIScrollViewDelegate {
//    // 开始拖拽（用户开始滚动）
//    func scrollViewWillBeginDragging(_ scrollView: UIScrollView) {
//        print("滚动开始")
//        NotificationCenter.default.post(name: .kDiscoverScrollViewWillBegin, object: nil)
//    }
//
//    // 结束拖拽（用户手指离开屏幕）
//    func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) {
//        if !decelerate {
//            print("滚动完全停止（无减速动画）")
//            NotificationCenter.default.post(name: .kDiscoverScrollViewEndDecelerating, object: nil)
//        }
//    }
//    
//    // 结束减速（滚动完全停止）
//    func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) {
//        print("滚动完全停止")
//        NotificationCenter.default.post(name: .kDiscoverScrollViewEndDecelerating, object: nil)
//    }
//    
//    // 以下方法组合可以准确判断滚动是否真正结束
//    func scrollViewDidEndScrollingAnimation(_ scrollView: UIScrollView) {
//        print("编程触发的滚动动画结束")
//        NotificationCenter.default.post(name: .kDiscoverScrollViewEndDecelerating, object: nil)
//    }
//}

extension TSDiscoverVC {
    
    func clickHeader(indexPath:IndexPath,model:TSDiscoverSectionModel) {
        kPushVC(target: self, modelVC: TSDiscoverStyleMoreVC(sectionModel: model))
    }
    
    func clickSpecialBlock(cmd:String,data:Any?) {
        if TSGenerateBasePhotoOperationQueue.isAvailabilityHandle(view: self.view)
        { return }
        
        if cmd == "ptv" {
            kPushVC(target: self, modelVC:TSAIDiyVideoVC(diyVideoType: 0))
        }else if cmd == "ttv" {
            kPushVC(target: self, modelVC:TSAIDiyVideoVC(diyVideoType: 1))
        }
    }
    
    static func clickCell(target:UIViewController,indexPath:IndexPath,itemModel:TSDiscoverItemModel,secModel:TSDiscoverSectionModel) {
        
        if itemModel.style.isInterceptMultipleGenerations,
           TSGenerateBasePhotoOperationQueue.isAvailabilityHandle(view: target.view)
        { return }
        
        var style = itemModel.style
        
        if style == .photoLive,
           let animationModel = itemModel.viewModel as? TSDiscoverAnimationItemVM,
           animationModel.style == .video {
            style = .videoV2
        }
        
        dePrint("\(style)")
        switch style{
        case .ageOld, .ageChild, .oldPhoto, .eyeOpen, .pretty, .photoLive, .photoQuality, .catTohuman,.process:
            kPushVC(target: target, modelVC: TSAIUploadPhotoBaseVC(titleString: itemModel.name, generatorStyle: itemModel.style,disCoverItemModel: itemModel))
        case .photoExpand:
            kPushVC(target: target, modelVC: TSAIExpandImageVC(upLoadImage: nil))
        case .futureBaby:
            kPushVC(target: target, modelVC: TSFutureBabyVC())
        case .changeEmote:
            TSDiscoverVC.enterSelectPhotos(target: target,style: itemModel.style) { image in
                kPushVC(target: target, modelVC: TSAIChangeEmoteVC(upLoadImage: image, style: .changeEmote))
            }
            break
        case .changehairColor:
            TSDiscoverVC.enterSelectPhotos(target: target,style: itemModel.style) { image in
                kPushVC(target: target, modelVC: TSAIChangeEmoteVC(upLoadImage: image, style: .changehairColor))
            }
            break
        case .changehair:
            TSDiscoverVC.enterSelectPhotos(target: target,style: itemModel.style) { image in
                kPushVC(target: target, modelVC: TSAIChangeEmoteVC(upLoadImage: image, style: .changehair))
            }
        case .ttp:
            kPushVC(target: target, modelVC: TSTTPInputVC())
        case .chat:
            let vc = TSChatViewController()
            vc.viewModel.uiStyle = .chat
            kPushVC(target: target, modelVC: vc)
        case .ptp,.videoV2:
            if let generateModel = itemModel.generateModel{
                kPushVC(target: target, modelVC: TSPTPUploadImageVC(itemModel:itemModel,generateModel: generateModel, sectionModel: secModel))
            }
        default:
            break
        }
    }
}

extension TSDiscoverVC{
    
    static var hintBaseVC:TSAIListHintBaseVC?
    static var photoPickerManager:TSPhotoPickerManager?
    
    static func enterSelectPhotos(
        target:UIViewController,
        style:TSFuncStyle,
        hintType:Int = 0,
        interceptSelectedPictureBlock:((UIImage) -> Bool)? = nil,
        complete: @escaping (UIImage)->Void)
    {
        let userDefaultsKey = style.getHintKey(hintType: hintType)
        if userDefaultsKey.count == 0 || style == .ptp {
            self.pickSinglePhoto(target:target,interceptSelectedPictureBlock: interceptSelectedPictureBlock,complete:complete)
        }else{
            TSAIListHintBaseVC.userDefaultsKey = userDefaultsKey
            if TSAIListHintBaseVC.isShowUploadImageHint{
                TSAIListHintBaseVC.isShowUploadImageHint = false
                self.presentModalHintVC(target:target,config:style.getConfig(hintType: hintType),complete:complete)
            }else {
                self.pickSinglePhoto(target:target,interceptSelectedPictureBlock: interceptSelectedPictureBlock,complete:complete)
            }
        }
    }

    static func presentModalHintVC(target:UIViewController,config:TSAIListHintBaseVC.Config,complete:@escaping (UIImage)->Void){
        let hintBaseVC = TSAIListHintBaseVC(config: config)
        hintBaseVC.clickUpImageHandle = {  image in
            if let image = image {
                complete(image)
            }else{
                dePrint("图片异常")
            }
            kDelayMainShort {
                Self.hintBaseVC?.dismissPageVC()
                Self.hintBaseVC = nil
            }
        }
        
        kPresentModalVC(target: target, modelVC: hintBaseVC,transitionStyle: .crossDissolve)
            
        Self.hintBaseVC = hintBaseVC
    }
    
    static func pickSinglePhoto(target:UIViewController,interceptSelectedPictureBlock:((UIImage) -> Bool)? = nil,complete: @escaping (UIImage)->Void)  {
        let photoPickerManager = TSPhotoPickerManager(viewController: target)
        photoPickerManager.interceptSelectedPictureBlock = interceptSelectedPictureBlock
        photoPickerManager.pickCustomSinglePhoto() { image, errorString in
            if let errorString = errorString {
                TSToastShared.showToast(text: errorString)
            }else if let image = image {
                complete(image)
            }else{
                dePrint("图片异常")
            }
            kDelayMainShort {
                Self.photoPickerManager?.dismissPageVC()
                Self.photoPickerManager = nil
            }
        }
        
        Self.photoPickerManager = photoPickerManager
    }
}

extension TSDiscoverVC:TSTabBarControllerProtocol {
    func tabBarDoubleTap(_ tabbar: UITabBarController){
        collectionView.setContentOffset(CGPoint(x: 0, y: 0), animated: true)
    }
}