//
//  RoleHomePagerController.swift
//  Crush
//
//  Created by Leon on 2025/7/24.
//

import Combine
import UIKit
class RoleHomePagerController: CLViewController<RoleHomePagerView> {
    var navRightButton: EPIconGhostButton!
    var likeView : HeartLikeCountView!
    
    var aiId: Int = 0
    
    @Published var info: AIRoleInfo?
    
    /// 待修改的头像
    var avatarModel: UploadPhotoM?
    
    // 添加请求状态标记
    private var isRequesting = false
    
    private var cancellables = Set<AnyCancellable>()
    override func viewDidLoad() {
        super.viewDidLoad()
        
        setupViews()
        setupDats()
        setupEvents()
    }
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        disabledFullScreenPan()
    }
    
    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        enabledFullScreenPan()
    }
    
    private func setupViews() {
        navigationView.alpha0Title = "User Name"
        navigationView.bgView.alpha = 0
        
        
    }
    
    private func setupDats() {
        loadAIInfo(block: nil)
        container.aboutVc.aiId = aiId
        container.albumVc.aiId = aiId
    }
    
    private func loadAIInfo(block: (() -> Void)?) {
        Hud.showIndicator()
        AIRoleProvider.request(.queryAIBaseInfo(aiId: aiId), modelType: AIRoleInfo.self) { [weak self] result in
            Hud.hideIndicator()
            switch result {
            case let .success(success):
                self?.info = success
            case let .failure(failure):
                switch failure {
                case let .serviceError(code, _):
                    if code == .aiRoleNotExist{
                        let alert = Alert(title: "The Role has been deleted", text: "The role has been deleted and cannot be accessed and interacted.")
                        let action1 = AlertAction(title: "Got it", actionStyle: .confirm) {[weak self] in
                            self?.close()
                        }
                        alert.addAction(action1)
                        alert.show()
                    }
                default:
                    break
                }
            }
            block?()
        }
    }
    
    private func setupEvents() {
        NotificationCenter.default.addObserver(self, selector: #selector(notificationAIRoleInfoUpdated(noti:)), name: AppNotificationName.aiRoleInfoChanged.notificationName, object: nil)
        container.createButton.addTarget(self, action: #selector(tapCreateButton), for: .touchUpInside)
        container.headerView.avatarIv.tapAction = {[weak self] in
            self?.tapEditAvatar()
        }
        
        container.headerView.tapChatAction = { aiId in
            AppRouter.goChatVC(aiId: aiId)
        }
        
        container.headerView.tapEditAction = {[weak self] in
            self?.tapEditAI()
        }
        
        $info.sink { [weak self] result in
            self?.navigationView.alpha0Title = result?.nickname ?? ""
            self?.container.config(info: result)
            self?.container.headerView.config(info: result)
            self?.container.aboutVc.config(info: result)
            
            if let user = result{
                let uid = user.userId
                self?.setupNaviRightViews(UserCore.shared.user?.userId == uid)
            }
            
            if self?.likeView != nil{
                self?.likeView.isLike = result?.liked ?? false
            }
        }.store(in: &cancellables)
    }
    
    // MARK: - Helper
    private func setupNaviRightViews(_ isSelf: Bool = false){
//        if navRightButton != nil{
//            return
//        }
        
        navigationView.rightStackH.removeSubviews()
        
        navigationView.paddingRightForRightStack = 16
        
        likeView = {
            let v = HeartLikeCountView(viewSize: .xl)
            v.purIconStyle()
            v.likeButton.addTarget(self, action: #selector(tapLikeButton), for: .touchUpInside)
            navigationView.rightStackH.addArrangedSubview(v)
            return v
        }()
        
        if let user = info {
            likeView.isLike = user.liked ?? false
        }
        
        if isSelf{
            navRightButton = {
                let v = EPIconGhostButton(radius: .none, iconSize: .medium, iconCode: .more)
                v.addTarget(self, action: #selector(tapNaviMore(_:)), for: .touchUpInside)
                navigationView.rightStackH.addArrangedSubview(v)
                v.snp.makeConstraints { make in
                    make.size.equalTo(v.bgImageSize())
                }
                return v
            }()
        }else{
            navRightButton = {
                let v = EPIconGhostButton(radius: .none, iconSize: .medium, iconCode: .shareBorder)
                v.addTarget(self, action: #selector(tapShare), for: .touchUpInside)
                navigationView.rightStackH.addArrangedSubview(v)
                v.snp.makeConstraints { make in
                    make.size.equalTo(v.bgImageSize())
                }
                return v
            }()
        }
    }
    
    // MARK: - Action
    
    @objc private func tapNaviMore(_ sender: UIButton) {
//        let sheet = Sheet()
//        let share = SheetAction(title: "Share", autoDismiss: true) { [weak self] in
//            self?.tapShare()
//        }
//        let delete = SheetAction(title: "Delete", autoDismiss: true) { [weak self] in
//            self?.alertDeleteRole()
//        }
//        sheet.addAction(share)
//        sheet.addAction(delete)
//        sheet.show()
        
        let pop = CLPopoverListView()
        let rect = view.convert(sender.frame, from: sender.superview)
        var items = [CLPopoverListTextItem]()
        do {
            let listItem = CLPopoverListTextItem()
            listItem.title = "Share"
            listItem.image = MWIconFont.image(fromIcon: .shareBorder, size: CGSize(width: 20, height: 20), color: .text)
            listItem.updateLayout()
            listItem.selectedHandler = {[weak self] _ in
                self?.tapShare()
            }
            items.append(listItem)
        }
        do {
            let listItem = CLPopoverListTextItem()
            listItem.title = "Delete"
            listItem.image = MWIconFont.image(fromIcon: .iconDelete, size: CGSize(width: 20, height: 20), color: .text)
            listItem.updateLayout()
            listItem.selectedHandler = {[weak self] _ in
                self?.alertDeleteRole()
            }
            items.append(listItem)
        }

        pop.setupCommonPopover(rect, inView: view, items: items, block: nil)
    }
    
    @objc private func tapShare(){
        guard let aiId = info?.aiId else{return}
        let content = "Come to Crushlevel for chat, Crush, and AI - chat."
        let urlString = "\(AppConst.h5urlRoot)/@\(aiId)"
        
        guard let url = URL(string: urlString) else { return }
        
        // 分享内容（文字 + 链接）
        let items: [Any] = [url, content]
        
        let activityVC = UIActivityViewController(activityItems: items,
                                                  applicationActivities: nil)
        
        // iPad 需要设置弹出位置，否则会崩溃
        if let popover = activityVC.popoverPresentationController {
            popover.sourceView = view
            popover.sourceRect = CGRect(x: view.bounds.midX,
                                        y: view.bounds.midY,
                                        width: 0, height: 0)
            popover.permittedArrowDirections = []
        }
        
        present(activityVC, animated: true, completion: nil)
    }
    
    @objc private func tapLikeButton(){
        guard UserCore.shared.checkUserLoginIfNotPushUserToLogin() else{return}
        
        // 防止重复点击
        guard !isRequesting else { return }
        guard let user = info, let aiId = user.aiId else { return }
        
        let isliked = user.liked.boolValue
        let likedCount = user.likedNum ?? 0
        
        isRequesting = true
        
        // 禁用按钮
        likeView.likeButton.isEnabled = false
        
        if isliked {
            // 取消点赞
            let likeNewStatus = LikeOrCancelStatus.cancel
            let newLikedCount = max(likedCount - 1, 0)
            
            // 立即更新UI状态
            info?.liked = false
            info?.likedNum = newLikedCount
            likeView.isLike = false
            likeView.countLabel.text = String.displayNumber(NSNumber(value: newLikedCount), scale: 1)
            
            AIRoleProvider.request(.aiUserLikeOrCancel(aiId: aiId, likedStatus: likeNewStatus), modelType: EmptyModel.self) { [weak self] result in
                self?.handleLikeRequestResult(result: result, aiId: aiId, isLike: false, originalLikedCount: likedCount)
            }
        } else {
            // 点赞
            let likeNewStatus = LikeOrCancelStatus.liked
            let newLikedCount = likedCount + 1
            
            // 播放点赞动画
            likeView.playLotteLike { [weak self] completed in
                // 立即更新UI状态
                self?.info?.liked = true
                self?.info?.likedNum = newLikedCount
                self?.likeView.isLike = true
                self?.likeView.countLabel.text = String.displayNumber(NSNumber(value: newLikedCount), scale: 1)
            }
            
            AIRoleProvider.request(.aiUserLikeOrCancel(aiId: aiId, likedStatus: likeNewStatus), modelType: EmptyModel.self) { [weak self] result in
                self?.handleLikeRequestResult(result: result, aiId: aiId, isLike: true, originalLikedCount: likedCount)
            }
        }
    }
    
    // 统一处理请求结果
    private func handleLikeRequestResult(result: Result<EmptyModel?, ResponseError>, aiId: Int, isLike: Bool, originalLikedCount: Int) {
        isRequesting = false
        likeView.likeButton.isEnabled = true
        
        switch result {
        case .success:
            // 请求成功，无需额外处理
            break
        case .failure:
            // 请求失败，恢复状态
            if let currentAiId = self.info?.aiId, currentAiId == aiId {
                if isLike {
                    // 点赞失败，恢复为未点赞状态
                    info?.liked = false
                    info?.likedNum = originalLikedCount
                    likeView.isLike = false
                    likeView.countLabel.text = String.displayNumber(NSNumber(value: originalLikedCount), scale: 1)
                } else {
                    // 取消点赞失败，恢复为点赞状态
                    info?.liked = true
                    info?.likedNum = originalLikedCount
                    likeView.isLike = true
                    likeView.countLabel.text = String.displayNumber(NSNumber(value: originalLikedCount), scale: 1)
                }
            }
        }
        // 刷新统计
        container.aboutVc.loadStatistics()
    }
    
    private func alertDeleteRole() {
        let alert = Alert(title: "Delete Role", text: "删除角色不可恢复。为保障用户体验，角色删除后，已经与该角色发生过聊天的或者付费行为的用户，还可以正常与该角色互动。")
        let delete = AlertAction(title: "Delete", actionStyle: .destructive) { [weak self] in
            self?.doDeleteRole()
        }
        let cancel = AlertAction(title: "Cancel", actionStyle: .cancel)
        alert.addAction(delete)
        alert.addAction(cancel)
        alert.show()
    }
    
    @objc private func tapCreateButton() {
//        let sheet = Sheet()
//        sheet.title = "Creation Option"
//        let option1 = SheetAction(title: "Static Image", autoDismiss: true) {[weak self] in
//            self?.goGenerateMoreAlbums()
//        }
//        let option2 = SheetAction(title: "Dynamic Image", autoDismiss: true) {
//            Hud.comingsoon()
//        }
//        sheet.addAction(option1)
//        sheet.addAction(option2)
//        sheet.show()
        
        goGenerateMoreAlbums()
    }
    
    @objc private func tapEditAI(){
        // Convert AIRoleInfo to
        AppRouter.goCreateEditAIRole(aiId: aiId)
    }
    
    @objc private func tapEditAvatar(){
        guard UserCore.shared.isSelf(id: info?.userId) else{
            return
        }
        
        guard let imgUrl = info?.homeImageUrl else {return}
        
        ImageDownloader.downloadImage(from: imgUrl) {[weak self] img in
            guard let image = img else{return}
            self?.cropAIAvatar(image: image)
        }

    }
    

    // MARK: - Functions
    
    private func goGenerateMoreAlbums(){
        guard let aiId = info?.aiId, info != nil else {return}
        
        let vc = RolePhotoGenerateController(type: .album)
        vc.aiId = aiId
        vc.introduction = info?.introduction
        vc.sex = info?.sex
        vc.birthday = info?.birthday
        presentNaviRootVc(vc: vc)
    }

    private func doDeleteRole() {
        guard let aiInfo = info else { return }

        Hud.showIndicator()
        AIRoleProvider.request(.aiDel(id: aiInfo.aiId!)) { [weak self] result in
            Hud.hideIndicator()
            switch result {
            case .success:
                self?.alertDeleteOK()
                NotificationCenter.post(name: .aiRoleCreatedOrDelete)
                UserCore.shared.refreshUserInfo(block: nil)
            case let .failure(failure):
                dlog(failure)
            }
        }
    }

    private func alertDeleteOK() {
        let alert = Alert(title: "The Role has been deleted", text: "The role has been deleted and cannot be accessed and interacted")
        let gotit = AlertAction(title: "OK", actionStyle: .confirm) { [weak self] in
            self?.navigationController?.popViewController(animated: true)
        }
        alert.addAction(gotit)
        alert.show()
    }

    @objc private func notificationAIRoleInfoUpdated(noti: Notification) {
        loadAIInfo(block: nil)
    }
    
    private func cropAIAvatar(image:UIImage?){
        guard let avatar = image else {return}
        
        let image = avatar
        
//        let image = UIImage(named: "egpic")!
        let cropViewController = CropViewController(image: image) { [unowned self] croppedImage in
            self.container.headerView.avatarIv.bindImage(img: croppedImage)
            
            // 裁剪后的图片
            let photo = UploadPhotoM()
            photo.image = croppedImage
            photo.addThisItemTimeStamp = Date().timeStamp
            avatarModel = photo
            
            Hud.showIndicator()
            CloudStorage.shared.s3BatchAddPhotos([photo], bucket: .ROLE) {[weak self] result in
                
                if result{
                    //self?.doPublishRole()
                    self?.doUpdateRoleAvatar()
                }else{
                    Hud.hideIndicator()
                }
            }
        }
        let navc = CLNavigationController(rootViewController: cropViewController)
        UIWindow.getTopViewController()?.present(navc, animated: true, completion: nil)
        
    }
    
    private func doUpdateRoleAvatar(){
        guard let photo = avatarModel, let remoteFullPath = photo.remoteFullPath else{
            Hud.hideIndicator()
            return
        }
        
        AIRoleProvider.request(.modifyAIAvatar(aiId: aiId, userHead: remoteFullPath), modelType: EmptyModel.self) {[weak self] result in
            Hud.hideIndicator()
            switch result {
            case .success:
                self?.info?.headImg = remoteFullPath
                self?.container.headerView.config(info: self?.info)
                self?.avatarModel = nil
            case .failure:
                break
            }
        }
        
        
    }
}