//
//  HomePageRootView.swift
//  Crush
//
//  Created by Leon on 2025/7/22.
//

import UIKit

class HomePageRootView: UIView {
    var emptyView: UIView!
    
    private var cardContainer: UIView!
    private var bgTopIv: UIImageView!
    private var dragCardContainer: MeetDragCardContainer!
    private var dataArray: [MeetCard] = []
    
    
    // Flag
    var swipeCardCount: Int = 0 // 计数
    
    weak var viewModel: MeetViewModel!
    weak var weakGiftSheet: GiftAIRoleSheet?
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        setupViews()
        setupData()
        setupEvent()
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    private func setupViews() {
        
        emptyView = {
            let v = UIView()
            v.showEmpty(text: "暂无卡片")
            addSubview(v)
            v.snp.makeConstraints { make in
                make.leading.trailing.equalToSuperview()
                make.bottom.equalToSuperview().offset(-UIWindow.tabBarTotalHeight)
                make.top.equalToSuperview().offset(UIWindow.navBarTotalHeight)
            }
            return v
        }()
        
        cardContainer = {
            let v = UIView()
            addSubview(v)
            v.snp.makeConstraints { make in
                make.edges.equalToSuperview()
            }
            return v
        }()
        
        // 创建拖拽卡片容器
        bgTopIv = {
            let v = UIImageView()
            v.image = UIImage(named: "meet_top_bg")
            cardContainer.addSubview(v)
            v.snp.makeConstraints { make in
                make.top.leading.trailing.equalToSuperview()
                make.height.equalTo(v.snp.width).multipliedBy(200/393.0)
            }
            return v
        }()

        let cardWidth = EncounterAICardView.cardWidth
        let cardHeight = EncounterAICardView.cardHeight
        dragCardContainer = MeetDragCardContainer(frame: CGRect(x: 0, y: 0, width: cardWidth, height: cardHeight))
        cardContainer.addSubview(dragCardContainer)
        
        dragCardContainer.snp.makeConstraints { make in
            make.centerX.equalToSuperview()
            make.top.equalToSuperview().offset(UIWindow.navBarTotalHeight + 12)
            make.width.equalTo(cardWidth)
            make.height.equalTo(cardHeight)
        }
        
        // 设置数据源和代理
        dragCardContainer.dataSource = self
        dragCardContainer.delegate = self
        
        // 初始状态都隐藏
        emptyView.isHidden = true
        //cardContainer.isHidden = true
    }
    
    private func setupData(){
        setupDragCardContainer()
    }
    
    private func setupEvent(){
        
    }
    
    private func setupDragCardContainer() {
        // 重新加载数据
        dragCardContainer.reloadData()
    }
    
    // MARK: - mark
    
    func setupViewModel(vm: MeetViewModel){
        viewModel = vm
        // 绑定ViewModel回调
        viewModel?.onCardsLoaded = { [weak self] cards in
            self?.dataArray = cards
            self?.dragCardContainer.reloadData()
            
            if self?.viewModel.requestParams.pn == 1{
                self?.showEmptyPlaceholder(empty: cards.count == 0)
            }
        }
        
        viewModel?.onCardsMoreLoaded = { [weak self] cards in
            if cards.count == 0 {
                self?.showEmptyPlaceholder(empty: true)
            }
        }
        
        viewModel?.onLoadError = { error in
            dlog("Meet加载卡片失败: \(error)")
        }
    }
    
    // MARK: - Functions
    
    private func doReportLike(card: MeetCard?){
        guard let aiId = card?.aiId else {return}
    
        swipeCardCount += 1
        
        var params = [String:Any]()
        params.updateValue(aiId, forKey: "aiId")
        params.updateValue(true, forKey: "lk")
        
        DiscoverProvider.request(.meetLikeOrReport(params: params), modelType: MeetCardReportResponse.self) {[weak self] result in
            switch result {
            case .success(let model):
                self?.dealLikeAfter(aiId: aiId,card: card, obj: model)
            case .failure:
                break
            }
        }
    }
    
    private func doReportDislike(card: MeetCard?){
        guard let aiId = card?.aiId else {return}
    
        swipeCardCount += 1
        
        var params = [String:Any]()
        params.updateValue(aiId, forKey: "aiId")
        params.updateValue(true, forKey: "lk")
        
        DiscoverProvider.request(.meetLikeOrReport(params: params), modelType: MeetCardReportResponse.self) {result in
            switch result {
            case .success:
                break // do nothing
            case .failure:
                break
            }
        }
    }
    
    private func dealLikeAfter(aiId: Int, card: MeetCard?, obj:MeetCardReportResponse?){
        guard let response = obj else {return}
        // ...
        if response.bd.boolValue {
//            #warning("test")
//            let vc = MeetMatchedController()
//            vc.card = card!
////            vc.modalPresentationStyle = .fullScreen
//            let navc = CLNavigationController(rootViewController: vc)
////                        self?.viewController()?.present(navc, animated: true)
//            UIWindow.getTopViewController()?.present(navc, animated: true)
//            return
            // 调用绑定
            DiscoverProvider.request(.meetReportBind(aiId: aiId), modelType: MeetMatchInfo.self) { result in
                switch result {
                case .success(let model):
                    if let resultObj = model{
                        let vc = MeetMatchedController()
                        vc.info = resultObj
                        let navc = CLNavigationController(rootViewController: vc)
                        UIWindow.getTopViewController()?.present(navc, animated: true)
                    }else{
                        dlog("❌meetReportBind result is nil")
                        let vc = MeetMatchedController()
                        vc.card = card!
                        let navc = CLNavigationController(rootViewController: vc)
//                        self?.viewController()?.present(navc, animated: true)
                        UIWindow.getTopViewController()?.present(navc, animated: true)
                    }
                case .failure:
                    break
                }
            }
        }
        
        if response.rc.boolValue{
            DiscoverProvider.request(.meetRcAndRetrunBlurAlbum, modelType: MeetReportAdmirerReturnAlbum.self) {[weak self] result in
                switch result {
                case .success(let model):
                    self?.doShowSecretAdmirerAlert(aiId: aiId, photo: model)
                case .failure:
                    break
                }
            }
        }
    }
    
    private func doShowSecretAdmirerAlert(aiId: Int?, photo: MeetReportAdmirerReturnAlbum?){
        guard let thePhoto = photo else {return}
        
        let content = "Someone is secretly in love with you\n"
        let alert = Alert(title: "Secret Admirer", text: content, image: UIImage(named: "heart_meet_48")!)
        
        alert.masTopToImageBgForImageView?.update(offset: 42)
        alert.setupContentStackSpacing(14)
        alert.setupBottomBlurImageUrl(url: thePhoto.img1)
        
        //let coin = Coin(cents: thePhoto.unlockPrice)
        let coin = Coin(cents: 5000) // 50 coin
        let string = "\(coin.formatted) unlock"
        let aString = NSAttributedString.getIconTitleAttributeByWords(words: string, iconImage: UIImage.icon32Diamond, iconSize: CGSize(width: 24, height: 24), textFont: .t.tll, textColor: .white)
        let confirmCoin = AlertAction(attributedTitle: aString, actionStyle: .confirm) {[weak self] in
            // 解锁，🔓
            self?.doUnlockLikeYou(aiId: aiId, albumId: photo?.albumId)
        }
        
        let cancel = AlertAction(title: "Cancel", actionStyle: .cancel, block: nil)

        alert.addAction(confirmCoin)
        alert.addAction(cancel)
        alert.show()
        alert.layoutIfNeeded()
    }
    
    private func doUnlockLikeYou(aiId: Int? , albumId: Int?){
        guard let theAIid = aiId, let theAlbumId = albumId else {
            return
        }
        
        Hud.showIndicator()
        DiscoverProvider.request(.meetUnlockLikeYou(aiId: theAIid, albumId: theAlbumId), modelType: AIAlbumUnlockImages.self) {[weak self] result in
            switch result {
            case .success:
                self?.doGetLikeYouAICardInfo(aiId: theAIid)
            case .failure:
                Hud.hideIndicator()
            }
        }
        
    }
    
    func doGetLikeYouAICardInfo(aiId: Int?){
        guard let theAiId = aiId else{
            Hud.hideIndicator()
            return
        }
        
        DiscoverProvider.request(.meetCardDetail(aiId: theAiId), modelType: MeetCard.self) {[weak self] result in
            Hud.hideIndicator()
            switch result {
            case .success(let model):
                model?.secretAdmirer = true
                self?.doRestoreCard(card: model)
            case .failure:
                break
            }
        }
    }
    
    private func doRestoreCard(card : MeetCard?){
        guard let data = card else {return}
        if let tmpStoreNopeCardView = dragCardContainer.tmpStoreNopeCardView as? EncounterAICardView{
            tmpStoreNopeCardView.config(data)
            dragCardContainer.addCardView(tmpStoreNopeCardView, fromDirection: .default)
        }else{
            dlog("❌ none tmpStoreNopeCardView")
        }
    }
    
    // MARK: - Helper
    
    func showEmptyPlaceholder(empty: Bool){
        emptyView.isHidden = !empty
        cardContainer.isHidden = empty
    }
    
    // MARK: - Test
    
    func testFunction(){
        doGetLikeYouAICardInfo(aiId: 444190968774657)
    }
    
}

// MARK: - EncounterAICardViewDelegate
extension HomePageRootView: EncounterAICardViewDelegate {
    func cardViewTapLike(_ obj: MeetCard?) {
        print("点击了喜欢按钮: \(String(describing: obj?.nickname))")
        if UserCore.shared.isLogin() == false && swipeCardCount >= 3{
            UserCore.shared.checkUserLoginIfNotPushUserToLogin()
            return
        }
        
        dragCardContainer.removeCardViewForDirection(.right)
        doReportLike(card: obj)
    }
    
    func cardViewTapGift(_ obj: MeetCard?) {
        // print("点击了礼物按钮: \(String(describing: obj?.nickname))")
        guard UserCore.shared.checkUserLoginIfNotPushUserToLogin() else{
            return
        }
        
        let vc = GiftAIRoleSheet()
        vc.giftView.delegate = self
        vc.giftView.targetHeartbeatValue = obj?.heartbeatVal ?? 0
        weakGiftSheet = vc
        vc.show()
    }
    
    func cardViewTapDislike(_ obj: MeetCard?) {
        print("点击了不喜欢按钮: \(String(describing: obj?.nickname))")
        if UserCore.shared.isLogin() == false && swipeCardCount >= 3{
            UserCore.shared.checkUserLoginIfNotPushUserToLogin()
            return
        }
        
        dragCardContainer.removeCardViewForDirection(.left)
        doReportDislike(card: obj)
    }
    
    func cardViewTapHeader(_ obj: MeetCard?, cardView: EncounterAICardView?){
        guard let data = obj, let albumList = data.albumList, let aiId = obj?.aiId else{return}
        
        let screenRect = cardView?.screenRect ?? .zero
        let currentImageUrl = obj?.imageUrl ?? ""
        
        var photoModels = [PhotoBrowserModel]()
        
        var browseIndex = 0
        for (index, per) in albumList.enumerated() {
            let model = PhotoBrowserModel()
            model.aiAlbum = per

            model.aiId = aiId
            model.imageUrl = per.getImgUrl()
            model.image = cardView?.header.imageView.image ?? UIImage()
            model.sourceRect = screenRect
            
            if model.imageUrl == currentImageUrl{
                browseIndex = index
            }
           
            photoModels.append(model)
        }
        
        ImageBrowser.show(models: photoModels, index: browseIndex, type: .roleOthersInAlbum)
    }
}

extension HomePageRootView: GiftGridSendViewDelegate{    func giftSend(giftId: Int, gift: GiftDictModel, num: Int){
        guard let card = dragCardContainer.getCurrentShowCardView() as? EncounterAICardView, let info = card.card else{
            return
        }
        guard let aiId = info.aiId else{
            return
        }
        
        #warning("test")
        weakGiftSheet?.dismiss()
        dragCardContainer.removeCardViewForDirection(.right)
        let vc = MeetMatchedController()
        vc.card = info
        vc.gift = gift
        vc.giftCount = num
        let navc = CLNavigationController(rootViewController: vc)
        UIWindow.getTopViewController()?.present(navc, animated: true)
        return
        
//        var params = [String: Any]()
//        
//        params.updateValue(aiId, forKey: "aiId")
//        params.updateValue(giftId, forKey: "giftId")
//        params.updateValue(num, forKey: "num")
//        params.updateValue("HOME", forKey: "scene")
//        
//        Hud.showIndicator()
//        ChatProvider.request(.aiUserGiftSend(params: params), modelType: EmptyModel.self) {[weak self] result in
//            Hud.hideIndicator()
//            switch result {
//            case .success:
//                self?.weakGiftSheet?.dismiss()
//                
//                self?.dragCardContainer.removeCardViewForDirection(.right)
//                let vc = MeetMatchedController()
//                vc.card = info
//                vc.gift = gift
//                vc.giftCount = num
//                let navc = CLNavigationController(rootViewController: vc)
//                UIWindow.getTopViewController()?.present(navc, animated: true)
//            case .failure:
//                break
//            }
//        }
    }
    
    func giftGoHeartbeatPage(){
        guard let card = dragCardContainer.getCurrentShowCardView() as? EncounterAICardView, let info = card.card else{
            return
        }
        guard let aiId = info.aiId else{
            return
        }
        weakGiftSheet?.dismiss()
        AppRouter.goAIHeartBeatLevelPage(aiId: aiId)
    }
    
    func giftGoVIPCenter(){
        weakGiftSheet?.dismiss()
        AppRouter.goVIPCenter()
    }
    
    func giftNumPick(num: Int){
        guard let window = UIWindow.getTopDisplayWindow(), let sheet = weakGiftSheet else { return } // 🔥 Assuming topDisplayWindow is a custom UIView extension method
        
        guard let giftSendView = sheet.giftView else{
            return
        }
        
        let rect1 = giftSendView.countImg.convert(giftSendView.countImg.frame, from: giftSendView.countImg.superview)
        let rect2 = giftSendView.countImg.convert(rect1, to: window)
        
        let vc = GiftCountChooseController(sourceRect: rect2, selectedValue: "\(num)")
        vc.chooseBlock = { [weak self] count in
            // ... Handle count selection
            self?.weakGiftSheet?.giftView.num = Int(count) ?? 1
        }
        
        vc.popoverDismiss = { [weak self] in
            // ... Handle popover dismissal
            self?.weakGiftSheet?.giftView.countImg.transform = .identity
        }
        
        viewController()?.navigationController?.addChild(vc)
        sheet.addSubview(vc.view)
        
        UIView.animate(withDuration: 0.2) { [weak self] in
            self?.weakGiftSheet?.giftView.countImg.transform = CGAffineTransform(rotationAngle: .pi)
        }
    }
}

extension HomePageRootView :MeetDragCardContainerDataSource {
    func numberOfRowsInYFLDragCardContainer(_ container: MeetDragCardContainer) -> Int {
        return dataArray.count
    }
    
    func container(_ container: MeetDragCardContainer, viewForRowsAt index: Int) -> MeetDragCardView {
        dlog("🐟index:\(index)")
        let cardView = EncounterAICardView()
        let card = dataArray[index]
        cardView.config(card)
        cardView.delegate = self
        return cardView
    }
}

// MARK: - MeetDragCardContainerDelegate

extension HomePageRootView: MeetDragCardContainerDelegate {
    func container(_ container: MeetDragCardContainer, didSelectRowAt index: Int) {
        print("「Meet」点击了整体卡片: \(index)")
    }
    
    func container(_ container: MeetDragCardContainer, dataSourceIsEmpty isEmpty: Bool) {
        if isEmpty {
            print("「Meet」数据源为空，可以加载更多数据")
            // 这里可以加载更多数据
            
            if viewModel.cards.count > 0{ // 说明是后续加载
                loadMoreData()
                // showEmptyPlaceholder(empty: true)
            }
        }
    }
    
    func container(_ container: MeetDragCardContainer, canDragForCardView cardView: MeetDragCardView) -> Bool {
        return true
    }
    
    func container(_ container: MeetDragCardContainer, dargingForCardView cardView: MeetDragCardView, direction: ContainerDragDirection, widthRate: CGFloat, heightRate: CGFloat) {
        // 拖拽过程中的回调
        if direction == .left {
            container.showNopeLogo(true, widthRate: CGFloat(abs(widthRate)))
            print("🐟左滑ing \(widthRate)")
        } else if direction == .right {
            container.showLikeLogo(true, widthRate: CGFloat(abs(widthRate)))
            print("🐟右滑ing \(widthRate)")
        } else {
            container.showNopeLogo(false, widthRate: 0)
            container.showLikeLogo(false, widthRate: 0)
        }
    }
    
    func container(_ container: MeetDragCardContainer, canDragFinishForDirection direction: ContainerDragDirection, forCardView cardView: MeetDragCardView) -> Bool {
        if UserCore.shared.isLogin(){
            return true
        }
        
        if swipeCardCount >= 3{
            return UserCore.shared.checkUserLoginIfNotPushUserToLogin()
        }
        
        return true
    }
    
    func container(_ container: MeetDragCardContainer, dragDidFinshForDirection direction: ContainerDragDirection, forCardView cardView: MeetDragCardView) {
        print("🐟卡片拖拽完成，方向: \(direction)")
        let aiCardView = cardView as! EncounterAICardView
        // 显示相应的动画
        switch direction {
        case .left:
            //container.showNopeLottie()
            container.showNopeLogo()
            doReportDislike(card: aiCardView.card)
        case .right:
            //container.showLikeLottie()
            container.showLikeLogo()
            doReportLike(card: aiCardView.card)
        default:
            break
        }
        
        // 检查是否需要预加载
        checkAndPreloadIfNeeded()
    }
    
    func container(_ container: MeetDragCardContainer, lookingBack direction: ContainerDragDirection, forCardView cardView: MeetDragCardView) {
        print("🐟卡片回看，方向: \(direction)")
    }
    
    func container(_ container: MeetDragCardContainer, enterSmallCardMode smallCardMode: Bool, forCardView cardView: MeetDragCardView) {
        print("🐟进入小卡片模式: \(smallCardMode)")
    }
    
    private func loadMoreData() {
        dlog("🐟try load more datas")
        // 加载更多数据
        viewModel?.loadMoreCards()
    }
    
    // 检查并预加载数据
    private func checkAndPreloadIfNeeded() {
        guard let viewModel = viewModel else { return }
        
        // 计算剩余卡片数量
        let remainingCount = dataArray.count - dragCardContainer.getCurrentShowCardViewIndex()
        
        // 如果剩余卡片数量少于等于5张，且不在加载中，则预加载
        if viewModel.shouldPreload(remainingCount: remainingCount) {
            dlog("🐟预加载数据，剩余卡片数量: \(remainingCount)")
            loadMoreData()
        }
    }
}