//
//  MPPositive_HomeViewController.swift
//  MusicPlayer
//
//  Created by Mr.Zhou on 2024/4/19.
//

import UIKit
import MJRefresh
class MPPositive_HomeViewController: MPPositive_BaseViewController, UIViewControllerTransitioningDelegate{
    //背景图片
    private lazy var bgImageView:UIImageView = {
        let imageView:UIImageView = .init(image: .init(named: "B_Home_BG'bg"))
        imageView.contentMode = .scaleAspectFill
        return imageView
    }()
    //菜单按钮
    private lazy var memuBtn:UIButton = {
        let btn = UIButton()
        btn.setBackgroundImage(UIImage(named: "Home_Menu'logo"), for: .normal)
        btn.addTarget(self, action: #selector(menuRightClick(_ :)), for: .touchUpInside)
        return btn
    }()
    //ViP按钮
    private lazy var vipImageView:UIImageView = {
        let imageView:UIImageView = UIImageView(image: .init(named: "VIP'logo"))
        imageView.isUserInteractionEnabled = true
        imageView.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(vipIAPClick(_ :))))
        return imageView
    }()
    //斜向标题Label
    private lazy var musicLaxLabel:UILabel = {
        let label = UILabel()
        label.text = "MusicLax"
        // Create a bold italic font
        if let boldItalicFontDescriptor = UIFont.systemFont(ofSize: 20*width, weight: .bold).fontDescriptor.withSymbolicTraits([.traitBold, .traitItalic]) {
            let boldItalicFont = UIFont(descriptor: boldItalicFontDescriptor, size: 20*width)
            label.font = boldItalicFont
        } else {
            label.font = UIFont.boldSystemFont(ofSize: 20*width)
        }
        label.textColor = .white
        label.isUserInteractionEnabled = true
        label.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(scrollTopAction(_ :))))
        return label
    }()
    //搜索栏
    private lazy var searchView = createSearchView()
    //导航栏内购是否展示
    private var isBuyShow:Bool = true
    //最后一次偏移量
    private var lastContentOffset: CGFloat = 0
    //是否用户滚动
    private var isUserDragging:Bool = false
    
    //tableView
    private lazy var tableView:UITableView = {
        let tableView = UITableView(frame: .init(x: 0, y: 0, width: screen_Width, height: screen_Height), style: .plain)
        tableView.backgroundColor = .clear
        tableView.separatorStyle = .none
        tableView.estimatedRowHeight = 200
        tableView.rowHeight = UITableView.automaticDimension
        tableView.dataSource = self
        tableView.delegate = self
        tableView.register(MPPositive_HomeLibraryListstableViewCell.self, forCellReuseIdentifier: MPPositive_HomeLibraryListstableViewCellID)
        tableView.register(MPPositive_HomeSinglesTableViewCell.self, forCellReuseIdentifier: MPPositive_HomeSinglesTableViewCellID)
        tableView.register(MPPositive_HomeShowTableViewCell.self, forCellReuseIdentifier: MPPositive_HomeShowTableViewCellID)
        tableView.contentInset = .init(top: 0, left: 0, bottom: 70*width, right: 0)
        //添加一个下拉刷新
        let header = MJRefreshGifHeader {
            [weak self] in
            self?.pullDownRefreshAction()
        }
        header.setTitle("Pull down", for: .idle)
        header.setTitle("Release Refresh", for: .pulling)
        header.setTitle("Loading...", for: .refreshing)
        tableView.mj_header = header
        return tableView
    }()
    private let MPPositive_HomeLibraryListstableViewCellID = "MPPositive_HomeLibraryListstableViewCell"
    private let MPPositive_HomeSinglesTableViewCellID = "MPPositive_HomeSinglesTableViewCell"
    private let MPPositive_HomeShowTableViewCellID = "MPPositive_HomeShowTableViewCell"
    private var isFirstAppearance:Bool = true
    //是否允许下拉刷新
    private var isCountdownActive = false
    //下拉刷新间隔倒计时器
    private var countdownTimer: Timer?
    //下拉刷新间隔时间
    private var countdownValue = 15
//    private var loadViewModel:MPPositive_BrowseLoadViewModel!
    override func viewDidLoad() {
        super.viewDidLoad()
        DispatchQueue.main.asyncAfter(deadline: .now() + 3) {
            // 请求跟踪授权
            requestTrackingAuthorization { idfa in
            }
        }
        MP_IAPManager.shared.systemRestorePurchases()
        setTitle("")
        confirgue()
        if MPPositive_BrowseLoadViewModel.shared.browseModuleLists.count == 0 {
            MP_HUD.loading()
        }
        MP_AdMobManager.shared.configureLibraryNativeAd(rootController: self)
        MP_AdMobManager.shared.loadLibraryNativeAd()
        //加载搜索原生广告
        MP_AdMobManager.shared.configureSreachNativeAd(rootController: self)
        MP_AdMobManager.shared.loadSearchNativeAd()
        errorBlock = {
            [weak self] in
            guard let self = self else {
                return
            }
            guard MPPositive_BrowseLoadViewModel.shared.browseModuleLists.count == 0 else {
                return
            }
            //移除所有（除了navView）的子控件，并告知页面处理错误，提示用户重试
            view.subviews.forEach { item in
                if item != self.navView {
                    //移除
                    if item.superview != nil {
                        item.removeFromSuperview()
                    }
                }
            }
            //添加报错View
            setErrorView()
            MP_HUD.hideNow()
        }
        retryBlock = {
            [weak self] in
            guard let self = self else {return}
            MP_HUD.loading()
            DispatchQueue.main.async {
                //获取首页
                MPPositive_BrowseLoadViewModel.shared.reloadBrowseLists()
            }
        }
        //当home展示后尝试获取最后一次播放歌曲内容
        guard let last = UserDefaults.standard.object(forKey: "Last_Play_Songs") as? [String:Any] else {return}
        guard let currentVideoId = last["currentVideoId"] as? String, let data = last["Songs"] as? Data, let array = jsonforCoreSongs(data) else {return}
        //数据获取完成，使用这些数据合成一个Load
        let lodaViewModel = MPPositive_PlayerLoadViewModel(array, currentVideoId: currentVideoId)
        lodaViewModel.improveData(currentVideoId)
        //更改播放器播放类型
        MP_PlayerManager.shared.setPlayType(.normal)
        MP_PlayerManager.shared.setLastStatus(bool: true)
        MP_PlayerManager.shared.loadPlayer = lodaViewModel
        
    }
    deinit {
        NotificationCenter.default.removeObserver(self)
    }
    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
    }
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        NotificationCenter.notificationKey.add(observer: self, selector: #selector(reloadAction(_ :)), notificationName: .positive_browses_reload)
        MPPositive_BrowseLoadViewModel.shared.libraryList.reloadLibrarys{
            [weak self] in
            guard let self = self else {return}
            reloadAction(nil)
        }
        if isFirstAppearance == false {
            // 第二次展示的逻辑，可触发相应的方法
            presentGuide()
            isFirstAppearance = true
        }
        MP_AnalyticsManager.shared.home_b_pvAction()
    }
    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        NotificationCenter.default.removeObserver(self)
    }
    //生成一个顶部搜索框
    private func createSearchView() -> UIView{
        let searchView:UIView = UIView()
        searchView.backgroundColor = .init(hex: "#212121")
        searchView.isUserInteractionEnabled = true
        searchView.layer.masksToBounds = true
        searchView.layer.cornerRadius = 16*width
        //添加一个icon
        let iconImageView = UIImageView(image: .init(named: "Search_ICON'logo"))
        searchView.addSubview(iconImageView)
        iconImageView.snp.makeConstraints { make in
            make.height.width.equalTo(16*width)
            make.left.equalToSuperview().offset(16*width)
            make.centerY.equalToSuperview()
        }
        let label = createLabel("Search songs,artists,playlists", font: .systemFont(ofSize: 14*width, weight: .regular), textColor: .init(hex: "#666666"), textAlignment: .left)
        searchView.addSubview(label)
        label.snp.makeConstraints { make in
            make.left.equalTo(iconImageView.snp.right).offset(8*width)
            make.centerY.equalToSuperview()
        }
        searchView.isUserInteractionEnabled = true
        searchView.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(searchClick(_:))))
        return searchView
    }
    //前往搜索结果页
    @objc fileprivate func searchClick(_ sender:UITapGestureRecognizer) {
        isFirstAppearance = false
        MP_AnalyticsManager.shared.search_from_actionAction("home page")
        let resultVC = MPPositive_SearchResultShowViewController()
        navigationController?.pushViewController(resultVC, animated: false)
    }
    ///弹出好评引导框
    func presentGuide() {
        guard UserDefaults.standard.bool(forKey: "isGuide") != true else {
            //已经评论过了
            return
        }
        //检索活跃天数是否达到3天
        guard var actives = UserDefaults.standard.object(forKey: "ActiveDays") as? [Date], actives.count >= 3 else {
            return
        }
        //达到3天，可以弹出好评引导框
        MPPositive_ModalType = .Guide
        let guideVC = MP_GuideViewController()
        guideVC.disMissBlock = {
            DispatchQueue.main.async {
                //移除所有的日期值，填充一个新的日期值
                actives.removeAll()
                let now = Date().timeZone()
                UserDefaults.standard.setValue([now], forKey: "ActiveDays")
            }
        }
        guideVC.feedBackBlock = {
            DispatchQueue.main.async {
                let alert = UIAlertController(title: "Feedback", message: "If you have any comments or suggestions, please contact us at the following e-mail address", preferredStyle: .actionSheet)
                let email = UIAlertAction(title: "marketing@lux-ad.com", style: .default) { (_) in
                    //将邮箱复制到剪切板中
                    UIPasteboard.general.string = "marketing@lux-ad.com"
                    MP_HUD.text("Successfully copied the e-mail address to the clipboard", delay: 1.0, completion: nil)
                }
                alert.addAction(email)
                let cancel = UIAlertAction(title: "Cancel", style: .cancel)
                alert.addAction(cancel)
                self.present(alert, animated: true)
            }
        }
        guideVC.storeBlock = {
            DispatchQueue.main.async {
                //跳转AppStore
                if let url = URL(string: "https://apps.apple.com/app/6502973957") {
                    UIApplication.shared.open(url, options: [:], completionHandler: nil)
                }
            }
        }
        guideVC.transitioningDelegate = self
        guideVC.modalPresentationStyle = .custom
        self.present(guideVC, animated: true)
    }
    func presentationController(forPresented presented: UIViewController, presenting: UIViewController?, source: UIViewController) -> UIPresentationController? {
        return MPPositive_PresentationController(presentedViewController: presented, presenting: presenting)
    }
    //下拉刷新事件
    @objc private func pullDownRefreshAction() {
        // 如果倒计时活动中，直接返回
        if isCountdownActive {
            tableView.mj_header?.endRefreshing()
            return
        }
        //禁用刷新
        tableView.mj_header?.isUserInteractionEnabled = false
        //设置一个计时器
        DispatchQueue.main.asyncAfter(deadline: .now() + 8) {
            [weak self] in
            guard let self = self else {return}
            //正在下来刷新
            if MPPositive_BrowseLoadViewModel.shared.isRefresh == true {
                MPPositive_BrowseLoadViewModel.shared.isRefresh = false
                // 重新启用下拉刷新
                self.tableView.mj_header?.isUserInteractionEnabled = true
                self.tableView.mj_header?.endRefreshing()
                pullDownRefreshCountdown()
                print("下拉刷新超时.")
            }
            
        }
        MPPositive_BrowseLoadViewModel.shared.pullDownRefresh{
            [weak self] in
            guard let self = self else {return}
            reloadAction(nil)
            pullDownRefreshCountdown()
        }
    }
    //刷新间隔
    func pullDownRefreshCountdown() {
        isCountdownActive = true
        countdownValue = 15
        countdownTimer = Timer.scheduledTimer(withTimeInterval: 1.0, repeats: true) { [weak self] timer in
            guard let self = self else { return }
            self.countdownValue -= 1
            if self.countdownValue <= 0 {
                self.isCountdownActive = false
                timer.invalidate()
            }
        }
    }
    //MARK: - UI生成与配置
    //配置
    private func confirgue() {
        navView.frame = .init(x: 0, y: statusBarHeight, width: screen_Width, height: 90*width)
        if memuBtn.superview == nil {
            navView.addSubview(memuBtn)
            memuBtn.snp.makeConstraints { make in
                make.right.equalToSuperview().offset(-16*width)
                make.top.equalToSuperview().offset(16*width)
                make.width.height.equalTo(24*width)
            }
        }
        if vipImageView.superview == nil {
            navView.addSubview(vipImageView)
            vipImageView.snp.makeConstraints { make in
                make.centerY.equalTo(memuBtn.snp.centerY)
                make.right.equalTo(memuBtn.snp.left).offset(-10*width)
                make.width.equalTo(51*width)
                make.height.equalTo(32*width)
            }
        }
        if musicLaxLabel.superview == nil {
            navView.addSubview(musicLaxLabel)
            musicLaxLabel.snp.makeConstraints { make in
                make.left.equalToSuperview().offset(16*width)
                make.centerY.equalTo(memuBtn)
            }
            musicLaxLabel.setGradientTextColor(gradientTextColors)
        }
        if searchView.superview == nil {
            navView.addSubview(searchView)
            searchView.snp.makeConstraints { make in
                make.width.equalTo(340*width)
                make.height.equalTo(32*width)
                make.centerX.equalToSuperview()
                make.bottom.equalToSuperview().offset(-9*width)
            }
        }
        if bgImageView.superview == nil {
            view.addSubview(bgImageView)
            bgImageView.snp.makeConstraints { make in
                make.top.right.left.equalToSuperview()
                make.height.equalTo(981*width)
            }
        }
        if tableView.superview == nil {
            view.addSubview(tableView)
            tableView.snp.makeConstraints { make in
                make.top.equalTo(navView.snp.bottom).offset(15*width)
                make.left.right.bottom.equalToSuperview()
            }
        }
    }
    //MARK: - 页面刷新
    //页面刷新
    @objc private func reloadAction(_ sender:Notification?) {
        DispatchQueue.main.async {
            [weak self] in
            guard let self = self else {return}
            if tableView.superview == nil {
                confirgue()
            }
            removeErrorView()
            MP_HUD.hideNow()
            tableView.showMessage(MPPositive_BrowseLoadViewModel.shared.browseModuleLists.count)
            // 重新启用下拉刷新
            tableView.reloadData()
            tableView.mj_header?.isUserInteractionEnabled = true
            tableView.mj_header?.endRefreshing()
        }
    }
    //MARK: - 点击
    //点击顶部右侧弹出菜单
    @objc private func menuRightClick(_ sender:UIButton) {
        isFirstAppearance = false
        let setVC = MPSideA_SettingViewController()
        setVC.cleanSide = true
        navigationController?.pushViewController(setVC, animated: true)
    }
    //弹出VIP页面
    @objc private func vipIAPClick(_ sender:UITapGestureRecognizer) {
        view.endEditing(true)
        let iapVC = MP_IAPViewController()
        iapVC.isType = true
        iapVC.privacyBlock = {
            [weak self] in
            guard let self = self else {return}
            MP_NetWorkManager.shared.requestNetworkPermission(oberve: self) {
                [weak self] in
                let privacyVC = MPSideA_PrivacyViewController()
                self?.navigationController?.pushViewController(privacyVC, animated: true)
            }
        }
        iapVC.termsBlock = {
            [weak self] in
            guard let self = self else {return}
            MP_NetWorkManager.shared.requestNetworkPermission(oberve: self) {
                [weak self] in
                let serviceVC = MPSideA_ServiceViewController()
                self?.navigationController?.pushViewController(serviceVC, animated: true)
            }
        }
        iapVC.modalPresentationStyle = .fullScreen
        present(iapVC, animated: true)
    }
    @objc private func scrollTopAction(_ sender:UITapGestureRecognizer) {
        let topOffset = CGPoint(x: 0, y: 0)
        tableView.setContentOffset(topOffset, animated: true)
    }
}
//MARK: - tableView
extension MPPositive_HomeViewController: UITableViewDataSource, UITableViewDelegate {
    // 用户开始拖动scrollView时调用
    func scrollViewWillBeginDragging(_ scrollView: UIScrollView) {
        isUserDragging = true
        lastContentOffset = scrollView.contentOffset.y // 重置 lastContentOffset
    }
        
    // 用户停止拖动scrollView时调用
    func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) {
        if !decelerate {
            isUserDragging = false
        }
    }
        
    // scrollView停止减速时调用
    func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) {
        isUserDragging = false
    }
    func scrollViewDidScroll(_ scrollView: UIScrollView) {
        guard isUserDragging, !MPPositive_BrowseLoadViewModel.shared.isRefresh, lastContentOffset >= -(self.tableView.mj_header?.frame.height ?? 0) else { return }
        let currentOffset = scrollView.contentOffset.y
        let scrollDiff = currentOffset - lastContentOffset
        if scrollDiff >= 30 && isBuyShow == true {
            //收起来
            adjustHeight(to: 50*width)
            isBuyShow = false
        }else if scrollDiff <= -30 && isBuyShow == false {
            //展示
            adjustHeight(to: 90*width)
            isBuyShow = true
        }
        // 更新最后的偏移量
        lastContentOffset = currentOffset
    }
    // 调整高度方法
    func adjustHeight(to height: CGFloat) {
        UIView.animate(withDuration: 0.3) {[weak self] in
            guard let self = self else {return}
            musicLaxLabel.isHidden = !(height > (50*width))
            vipImageView.isHidden = !(height > (50*width))
            memuBtn.isHidden = !(height > (50*width))
            var frame = navView.frame
            frame.size.height = height
            self.navView.frame = frame
        }
    }
    
    func numberOfSections(in tableView: UITableView) -> Int {
        return 1
    }
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return MPPositive_BrowseLoadViewModel.shared.browseModuleLists.count + 1
    }
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        switch indexPath.row {
        case 1:
            let cell = tableView.dequeueReusableCell(withIdentifier: MPPositive_HomeLibraryListstableViewCellID, for: indexPath) as! MPPositive_HomeLibraryListstableViewCell
            cell.libraryViewModels = MPPositive_BrowseLoadViewModel.shared.libraryList.libraryViewModels
            return cell
        default:
            let row:Int = indexPath.row == 0 ? 0:(indexPath.row-1)
            if row < MPPositive_BrowseLoadViewModel.shared.browseModuleLists.count {
                if let first = MPPositive_BrowseLoadViewModel.shared.browseModuleLists[row].items.first, first.browseItem.itemType == .single, (first.browseItem.pageType == "MUSIC_VIDEO_TYPE_ATV" || first.browseItem.pageType == "MUSIC_VIDEO_TYPE_UGC") {
                    //是单曲
                    let cell = tableView.dequeueReusableCell(withIdentifier: MPPositive_HomeSinglesTableViewCellID, for: indexPath) as! MPPositive_HomeSinglesTableViewCell
                    cell.browseViewModel = MPPositive_BrowseLoadViewModel.shared.browseModuleLists[row]
                    return cell
                }else {
                    let cell = tableView.dequeueReusableCell(withIdentifier: MPPositive_HomeShowTableViewCellID, for: indexPath) as! MPPositive_HomeShowTableViewCell
                    cell.browseViewModel = MPPositive_BrowseLoadViewModel.shared.browseModuleLists[row]
                    if let first = MPPositive_BrowseLoadViewModel.shared.browseModuleLists[row].items.first, first.browseItem.itemType == .single, first.browseItem.pageType == "MUSIC_VIDEO_TYPE_OMV" {
                        cell.showType = .Fifth
                    }else {
                        //判断是列表还是艺术家
                        if MPPositive_BrowseLoadViewModel.shared.browseModuleLists[row].items.first?.browseItem.pageType == "MUSIC_PAGE_TYPE_ARTIST" {
                            cell.showType = .Fourth
                        }else {
                            cell.showType = .Third
                        }
                    }
                    cell.requestNextBlock = {
                        [weak self] (item) in
                        guard let self = self else {return}
                        MP_AnalyticsManager.shared.home_b_module_clickAction(item.browseItem.pageType ?? "")
                        switch item.browseItem.itemType {
                        case .single:
                            //单曲/视频跳转
                            MPPositive_Debouncer.shared.call {
                                [weak self] in
                                guard let self = self else {return}
                                guard MP_NetWorkManager.shared.netWorkStatu == .reachable else {
                                    MP_HUD.text("Weak connection.", delay: 2.0, completion: nil)
                                    return
                                }
                                MP_AnalyticsManager.shared.song_clickAction("Home")
                                //优先清除数据
                                MP_PlayerManager.shared.loadPlayer = nil
                                //弹出播放器
                                NotificationCenter.notificationKey.post(notificationName: .pup_player_vc)
                                MP_AnalyticsManager.shared.player_b_impAction()
                                //触发next请求，优先获取列表全部单曲基础数据（不完善）
                                MP_NetWorkManager.shared.requestNextList(item.browseItem.playListId ?? "", videoId: item.browseItem.videoId ?? "", clickTrackingParams: item.browseItem.clickTrackingParams){ [weak self] listSongs in
                                    guard let self = self else {return}
                                    //回掉的数据并不完善，生成一个playerloadViewModel
                                    let lodaViewModel = MPPositive_PlayerLoadViewModel(listSongs, currentVideoId: item.browseItem.videoId ?? "")
                                    lodaViewModel.improveData(item.browseItem.videoId ?? "")
                                    //更改播放器播放类型
                                    MP_PlayerManager.shared.setPlayType(.normal)
                                    MP_PlayerManager.shared.loadPlayer = lodaViewModel
                                    MP_AnalyticsManager.shared.player_b_listAction()
                                }
                            }
                        case .list:
                            isFirstAppearance = false
                            //列表专辑
                            let listVC = MPPositive_ListShowViewController(item.browseItem.browseId ?? "", params: "", title: item.title ?? "", subtitle: item.subtitle ?? "", clickTrackingParams: item.browseItem.clickTrackingParams ?? "")
                            navigationController?.pushViewController(listVC, animated: true)
                        case .artist:
                            isFirstAppearance = false
                            //前往艺术家页面
                            let artistVC = MPPositive_ArtistShowViewController(item.browseItem.artistId ?? "", clickTrackingParams: item.browseItem.clickTrackingParams ?? "")
                            navigationController?.pushViewController(artistVC, animated: true)
                        default:
                            break
                        }
                    }
                    cell.findMoreBlock = {
                        [weak self] in
                        guard let self = self else {return}
                        isFirstAppearance = false
                        let moreVC = MPPositive_MoreContentViewController(MPPositive_BrowseLoadViewModel.shared.browseModuleLists[row])
                        navigationController?.pushViewController(moreVC, animated: true)
                    }
                    return cell
                }
            }else {
                let cell = tableView.dequeueReusableCell(withIdentifier: MPPositive_HomeLibraryListstableViewCellID, for: indexPath) as! MPPositive_HomeLibraryListstableViewCell
                cell.libraryViewModels = MPPositive_BrowseLoadViewModel.shared.libraryList.libraryViewModels
                return cell
            }
        }
    }
}