platform-ios/RainbowPlanet/RainbowPlanet/Modules/CommunityModule/CommunityRecommendDetail/Controller/CommunityRecommendController.swift

//
//  CommunityRecommendController.swift
//  RainbowPlanet
//
//  Created by 南鑫林 on 2019/6/13.
//  Copyright © 2019 RainbowPlanet. All rights reserved.
//

import UIKit
import Kingfisher

class CommunityRecommendController: BaseViewController {
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
    }
    
    deinit {
        NXLLog("deinit")
        if observe != nil {
            NotificationCenter.default.removeObserver(observe!)
        }
    }
    weak var observe : NSObjectProtocol?

    // 帖子Id
    var id : Int = 0
    var communityPostDetailModel : CommunityPostDetailModel?
    // 评论
    var communityPostCommentsModel : CommunityPostCommentsModel?
    var communityPostCommentModels = Array<CommunityPostCommentModel>()
    var communityPostCommentModel : CommunityPostCommentModel?
    // 相关推荐
    var communityPostDataModels = Array<CommunityPostDataModel>()
    // 全部评论
    var count : Int = 0
    
    var indexPath : IndexPath?
    var heights = Array<CGFloat>()
    
    /// 相关推荐高度
    var heightModel = HeightModel()
    /// 内容高度
    var heightModel1 = HeightModel()
    /// 最后滚动的位置
    var lastContentOffset : CGFloat = 0
    
    override func viewDidLoad() {
        super.viewDidLoad()
        setupViews()
        setupData()
    }
    
    override func setupViews() {
        
        view.backgroundColor = kf7f8faColor
        navigationBar.addSubview(avatarButton)
        navigationBar.addSubview(nameButton)
        navigationBar.addSubview(followButton)
        view.addSubview(commentView)
        view.addSubview(tableView)
        view.addSubview(sharedButton)
        
        tableView.snp.makeConstraints { (make) in
            make.top.equalToSuperview().offset(kNavBarTotalHeight)
            make.left.right.equalToSuperview()
            make.bottom.equalToSuperview()
        }
    }
    
    override func setupLayouts() {
        navigationBar.wr_setRightButton(image: kImage(name: "nav_share_black")!)

        avatarButton.snp.makeConstraints { (make) in
            make.left.equalTo(navigationBar.leftButton.snp_right)
            make.size.equalTo(30)
            make.centerY.equalTo(navigationBar.leftButton)
        }
        nameButton.snp.makeConstraints { (make) in
            make.centerY.equalTo(avatarButton)
            make.left.equalTo(avatarButton.snp_right).offset(4)
            make.right.lessThanOrEqualTo(followButton.snp_left).offset(-10)
        }
        followButton.snp_makeConstraints { (make) in
            make.right.equalTo(navigationBar.rightButton.snp_left)
            make.height.equalTo(24)
            make.width.equalTo(60)
            make.centerY.equalTo(navigationBar.leftButton)
        }
        
        commentView.snp.makeConstraints { (make) in
            make.left.right.equalToSuperview()
            make.height.equalTo(48+kSafeTabBarHeight)
            make.bottom.equalToSuperview()
        }
        sharedButton.snp.makeConstraints { (make) in
            make.bottom.equalTo(commentView.snp_top).offset(-20)
            make.height.equalTo(99.5)
            make.width.equalTo(82)
            make.right.equalTo(-14)
        }
    }
    
    lazy var avatarButton: UIButton = {
        let avatarButton = UIButton(type: UIButton.ButtonType.custom)
        avatarButton.setImage(kImage(name: "default_avatar"), for: UIControl.State.normal)
        avatarButton.cornerRadius = 15
        avatarButton.masksToBounds = true
        return avatarButton
    }()
    
    lazy var nameButton: UIButton = {
        let nameButton = UIButton(type: UIButton.ButtonType.custom)
        nameButton.setTitle("昵称", for: UIControl.State.normal)
        nameButton.setTitleColor(k262626Color, for: UIControl.State.normal)
        nameButton.titleLabel?.font = kRegularFont14
        return nameButton
    }()
    
    lazy var followButton: UIButton = {
        let followButton = UIButton(type: UIButton.ButtonType.custom)
        followButton.titleLabel?.font = kMediumFont13
        followButton.cornerRadius = 12
        followButton.masksToBounds = true
        followButton.layer.borderWidth = 0.5
        followButton.alpha = 0
        return followButton
    }()
    
    lazy var tableView: UITableView = {
        let tableView = UITableView(frame: CGRect.zero, style: UITableView.Style.grouped)
        tableView.separatorStyle = .none
        tableView.backgroundColor = kf7f8faColor
        tableView.dataSource = self
        tableView.delegate = self
        return tableView
    }()
    lazy var communityPostDetailTableViewHeaderView: CommunityPostDetailTableViewHeaderView = {
        let communityPostDetailTableViewHeaderView = CommunityPostDetailTableViewHeaderView(frame: CGRect(x: 0, y: 0, width: kScreenWidth, height: 0))
        return communityPostDetailTableViewHeaderView
    }()
    
    lazy var commentView: RecommendBottomCommentView = {
        let commentView = RecommendBottomCommentView()
        return commentView
    }()
    
    lazy var sharedButton: UIButton = {
        let sharedButton = UIButton(type: UIButton.ButtonType.custom)
        sharedButton.setImage(UIImage.gif(name: "share_iSpt"), for: UIControl.State.normal)
        return sharedButton
    }()

    override func setupData() {
        //头像
        avatarButton.rx.tap.subscribe(onNext: { [weak self] (data) in
            if UserModel.isTokenNil() {
                kAppDelegate.setLogin()
            }else {
                if self?.communityPostDetailModel?.uid != UserModel.shared().getModel()?.uid {
                    let vc = OtherPersonalCenterViewController()
                    vc.uid = self?.communityPostDetailModel?.uid ?? 0
                    self?.navigationController?.pushViewController(vc, animated: true)
                }
            }

        }).disposed(by: disposeBag)
        //用户昵称
        nameButton.rx.tap.subscribe(onNext: { [weak self] (data) in

            if UserModel.isTokenNil() {
                kAppDelegate.setLogin()
            }else {
                if self?.communityPostDetailModel?.uid != UserModel.shared().getModel()?.uid {
                    let vc = OtherPersonalCenterViewController()
                    vc.uid = self?.communityPostDetailModel?.uid ?? 0
                    self?.navigationController?.pushViewController(vc, animated: true)
                }
            }

        }).disposed(by: disposeBag)
        // 关注
        followButton.rx.tap.subscribe(onNext: { [weak self] (data) in
            if UserModel.isTokenNil() {
                kAppDelegate.setLogin()
            }else {
                CommunityFollowUserViewModel.shared.follow(communityPostDetailModel: (self?.communityPostDetailModel)!, button: (self?.followButton)!)

            }
        }).disposed(by: disposeBag)
        //分享
        navigationBar.onClickRightButton = {
            [weak self]  in
            if UserModel.isTokenNil() {
                kAppDelegate.setLogin()
            }else {
                self?.share()
            }
        }
        sharedButton.rx.tap.subscribe(onNext: { [weak self] _ in
            if UserModel.isTokenNil() {
                kAppDelegate.setLogin()
            }else {
                self?.share()

            }
        }).disposed(by: disposeBag)
        tableView.addHeader(withBeginRefresh: true, animation: true) {
            [weak self] (page) in
            self?.communityPostDetailApi()
            self?.communityPostCommentApi(page: page)
        }
        tableView.addAutoNormalFooter(withAutomaticallyRefresh: true, loadMoreBlock: {
            [weak self] (page) in
            self?.communityPostsApi(page: page)
        })
        
        commentView.bottomClickClosure = {
            [weak self] (clickType) in
            switch clickType {
            case BottomClickType.typeComment:
                self?.showKeyBoardCommentView(placeholder: "添加评论...")
            case BottomClickType.typeLike:
                VirusViewModel.shared.virueRecordAddApiPraise(communityPostDetailModel: self?.communityPostDetailModel,commentView: self?.commentView)
            case BottomClickType.typeCollect:
                VirusViewModel.shared.virueRecordAddApiCollection(communityPostDetailModel: self?.communityPostDetailModel,commentView: self?.commentView)
            }
        }

        observe = NotificationCenter.default.addObserver(forName: NSNotification.Name("followApi"), object: nil, queue: OperationQueue.main) { [weak self] (notification) in
            let followStatusModel = notification.object as? FollowStatusModel

            if self?.communityPostDetailModel?.uid == followStatusModel?.uid {
                self?.communityPostDetailModel?.isFollow = followStatusModel?.isFollowStatus
                self?.communityPostDetailTableViewHeaderView.communityPostDetailModel = self?.communityPostDetailModel
                CommunityFollowUserViewModel.setFollowType(followButton: (self?.followButton)!, followType: FollowType(rawValue: self?.communityPostDetailModel?.isFollow ?? 0) ?? .futureFollow)
                self?.tableView.reloadData()
            }
        }
        observe = NotificationCenter.default.addObserver(forName: NSNotification.Name("unlikeApi"), object: nil, queue: OperationQueue.main) { [weak self] (notification) in
            let followStatusModel = notification.object as? FollowStatusModel
            if self?.communityPostDetailModel?.id == followStatusModel?.postId {
                self?.communityPostDetailModel?.isDislike = followStatusModel?.isFollowStatus
                self?.communityPostDetailTableViewHeaderView.communityPostDetailModel = self?.communityPostDetailModel
                self?.tableView.reloadData()
            }
        }

        observe = NotificationCenter.default.addObserver(forName: NSNotification.Name("islikeApi"), object: nil, queue: OperationQueue.main) { [weak self] (notification) in
            let followStatusModel = notification.object as? FollowStatusModel
            if self?.communityPostDetailModel?.id == followStatusModel?.postId {
                self?.communityPostDetailModel?.isDislike = followStatusModel?.isFollowStatus
                self?.commentView.communityPostDetailModel = self?.communityPostDetailModel
            }

            if !(self?.communityPostCommentModels.isEmpty ?? true) {
                for communityPostDataModel in (self?.communityPostDataModels)! {
                    if communityPostDataModel.uid == followStatusModel?.uid {
                        communityPostDataModel.isLike = followStatusModel?.isFollowStatus
                    }
                }
            }
            self?.tableView.reloadData()
        }

        observe = NotificationCenter.default.addObserver(forName: NSNotification.Name("isCollectApi"), object: nil, queue: OperationQueue.main) { [weak self] (notification) in
            let followStatusModel = notification.object as? FollowStatusModel
            if self?.communityPostDetailModel?.id == followStatusModel?.postId {
                self?.communityPostDetailModel?.isCollect = followStatusModel?.isFollowStatus
                self?.commentView.communityPostDetailModel = self?.communityPostDetailModel
            }
            self?.tableView.reloadData()
        }
    }
    
    /// 显示键盘
    func showKeyBoardCommentView(placeholder:String) {
        KeyBoardInputView.show(placeholder: placeholder, inputViewResultClosure: {
            [weak self] text in
            self?.communityPostCommentApi(text: text, complete: {
                [weak self] in
                self?.communityPostCommentModel = nil
            })
        }) {
            [weak self] in
            self?.communityPostCommentModel = nil
        }
    }
    
    
    /// 分享
    func share() {
        var title = self.communityPostDetailModel?.title?.prefix(12)
        if title == nil || title == "" {
            title = self.communityPostDetailModel?.content?.prefix(12) ?? ""
        }
        let shareCommunityView =  ShareCommunityView.shareCommunityView(
            uid: self.communityPostDetailModel?.uid ?? 0,
            h5Str: (self.communityPostDetailModel?.h5url ?? "" + "\(UserModel.shared().getModel()?.inviteCode ?? "")"),
            thumbnailImg: UIImage.imageUrl(self.communityPostDetailModel?.img),
            sharedTitle: String(title ?? ""),
            sharedDetailTitle: kCommunityPostShareDetailTitle,
            shareCommunityViewType: ShareCommunityViewType.postDetail,
            completion: {
                [weak self] in
            VirusViewModel.shared.forwarVirueRecordAddApi(postId: self?.communityPostDetailModel?.id, postAuthorUid: "\(self?.communityPostDetailModel?.uid ?? 0)", title: self?.communityPostDetailModel?.title, content: self?.communityPostDetailModel?.content, postType: self?.communityPostDetailModel?.type, postCover: self?.communityPostDetailModel?.img)
        })
        shareCommunityView.saveCompletion = {
            [weak self] in
            let vc = CommunityShareContentViewController()
            vc.imgUrl = self?.communityPostDetailModel?.img
            let communityPostDetailTopicModel = self?.communityPostDetailModel?.topic?[0]
            vc.topicStr = communityPostDetailTopicModel?.name ?? ""
            if self?.communityPostDetailModel?.title == "" || self?.communityPostDetailModel?.title == nil {
                vc.titleStr = "\(self?.communityPostDetailModel?.content?.prefix(20) ?? "")"
                
            }else {
                vc.titleStr = "\(self?.communityPostDetailModel?.title?.prefix(20) ?? "")"

            }
            vc.avatarStr = self?.communityPostDetailModel?.avatar
            vc.nameStr = self?.communityPostDetailModel?.username
            vc.H5UrlStr = (self?.communityPostDetailModel?.h5url ?? "" + "\(UserModel.shared().getModel()?.inviteCode ?? "")")
            vc.bean = self?.communityPostDetailModel?.willCollectBean
            vc.postId = self?.communityPostDetailModel?.id
            vc.uid = self?.communityPostDetailModel?.uid
            vc.type = self?.communityPostDetailModel?.type
            vc.contentStr = self?.communityPostDetailModel?.content
            self?.navigationController?.pushViewController(vc, animated: true)
        }
        shareCommunityView.deleteCompletion = {
            [weak self] in
            self?.communityDeleteApi(postId: self?.communityPostDetailModel?.id ?? 0)
        }
    }
    
}

extension CommunityRecommendController {
    
    
    /// 帖子内容
    func communityPostDetailApi() {
        SwiftMoyaNetWorkServiceCommunity.shared().communityPostDetailApi(id: id, completion: {
            [weak self] (communityPostDetailModel) -> (Void) in
            
            self?.tableView.snp.remakeConstraints {[weak self] (make) in
                make.top.equalToSuperview().offset(kNavBarTotalHeight)
                make.left.right.equalToSuperview()
                make.bottom.equalTo((self?.commentView.snp_top)!).offset(0)
            }
            
            DIYEmptyView.emptyNoDataActionTableView(tableView: self?.tableView, imageStr: .three, detailStr: .three, btnTitleStr: .two, btnClickBlock: {
                [weak self] in
                self?.tabBarController?.selectedIndex = 0
                self?.navigationController?.popToRootViewController(animated: true)
            })
            self?.communityPostDetailModel = communityPostDetailModel as? CommunityPostDetailModel

            self?.communityPostsApi(page:1)
            self?.avatarButton.kf.setImage(with: kURLThumbnailsImage(name: self?.communityPostDetailModel?.avatar ?? "", size: kSize30x30Image), for: UIControl.State.normal, placeholder: kImage(name: "default_avatar"))
            KingfisherManager.shared.cache.clearMemoryCache()
            self?.nameButton.setTitle(self?.communityPostDetailModel?.username, for: UIControl.State.normal)
            if self?.communityPostDetailModel?.uid == UserModel.shared().getModel()?.uid {
                self?.followButton.alpha = 0
            }else {
                CommunityFollowUserViewModel.setFollowListType(followButton: self?.followButton, followType: FollowType(rawValue: self?.communityPostDetailModel?.isFollow ?? 0) ?? .futureFollow)
            }
            self?.commentView.communityPostDetailModel = self?.communityPostDetailModel
            self?.count = self?.communityPostDetailModel?.commentCount ?? 0
            
            if PostType(rawValue: self?.communityPostDetailModel?.type ?? "html") == .html {
                self?.avatarButton.alpha = 0
                self?.nameButton.alpha = 0
                self?.followButton.alpha = 0
            }else {
                self?.communityPostDetailTableViewHeaderView.frame = CGRect(x: 0, y: 0, width: kScreenWidth, height: kScreenWidth)

                if !(self?.communityPostDetailModel?.imgs?.isEmpty ?? true) {
                    self?.tableView.tableHeaderView = self?.communityPostDetailTableViewHeaderView
                }else {
                    if self?.communityPostDetailModel?.img != nil ||  self?.communityPostDetailModel?.img != "" {
                        self?.tableView.tableHeaderView = self?.communityPostDetailTableViewHeaderView
                    }
                }
                
                self?.communityPostDetailTableViewHeaderView.communityPostDetailModel = self?.communityPostDetailModel
            }

            self?.setupLayouts()
            self?.tableView.reloadData()
            self?.readVirueRecordAddApi()
        }) { [weak self] loadingStatus in
            if loadingStatus == .noData {
                DIYEmptyView.emptyNoDataActionTableView(tableView: self?.tableView, imageStr: .three, detailStr: .three, btnTitleStr: .two, btnClickBlock: {
                    [weak self] in
                    self?.tabBarController?.selectedIndex = 0
                    self?.navigationController?.popToRootViewController(animated: true)
                })
                self?.tableView.reloadData()
                MJRefreshManager.mjRefreshManager(tableView: self?.tableView)
                if self?.tableView.mj_footer != nil {
                    self?.tableView.isHiddenFooter(true)
                }
            }else {
                MJRefreshManager.mjRefreshManagerLoadingStatus(tableView: self?.tableView,loadingStatus: loadingStatus)
            }

        }
    }
    
    
    /// 阅读virue
    func readVirueRecordAddApi() {
        var postDesc : String?
        if self.communityPostDetailModel?.title == nil ||  self.communityPostDetailModel?.title == "" {
            postDesc = "\(self.communityPostDetailModel?.content?.prefix(20) ?? "")"
        }else {
            postDesc = self.communityPostDetailModel?.title
        }
        
        VirusViewModel.shared.readVirueRecordAddApi(postId: self.communityPostDetailModel?.id, postAuthorUid: "\(self.communityPostDetailModel?.uid ?? 0)", postDesc: postDesc, postType: self.communityPostDetailModel?.type, postCover: self.communityPostDetailModel?.img, actionId: "\(self.communityPostDetailModel?.id ?? 0)")
    }
    
    /// 评论列表
    ///
    /// - Parameters:
    ///   - postId: 内容id
    ///   - page: 分页
    func communityPostCommentApi(page:Int) {
        SwiftMoyaNetWorkServiceCommunity.shared().communityPostCommentsApi(postId: id, page: page,completion: {
            [weak self] (communityPostCommentsModel) -> (Void) in
            self?.communityPostCommentsModel = communityPostCommentsModel as? CommunityPostCommentsModel
            self?.count = self?.communityPostDetailModel?.commentCount ?? 0
            if self?.communityPostCommentsModel?.pagination?.currentPage == 1{
                self?.communityPostCommentModels.removeAll()
                self?.tableView.resetNoMoreData()
            }
            self?.communityPostCommentModels = (self?.communityPostCommentModels)! + (self?.communityPostCommentsModel?.data!)!
            self?.tableView.reloadData()
        }) { _ in }
    }
    
    /// 相关推荐
    ///
    /// - Parameter page: 分页
    func communityPostsApi(page:Int) {
        SwiftMoyaNetWorkServiceCommunity.shared().communityPostsApi(topicIds:"[\(self.communityPostDetailModel?.topicIds ?? "")]", page: page, completion: {
            [weak self] (communityPostsModel) -> (Void) in
            let communityPostsModel = communityPostsModel as? CommunityPostsModel
            if communityPostsModel?.pagination?.currentPage == 1{
                self?.communityPostDataModels.removeAll()
                self?.tableView.resetNoMoreData()
            }
            self?.communityPostDataModels = (self?.communityPostDataModels)! + (communityPostsModel?.data!)!
            self?.heightList()
            self?.tableView.reloadData()
            MJRefreshManager.mjRefreshManagerPaginationNoHiddenFooter(tableView: self?.tableView, pagination: communityPostsModel?.pagination)

        }) {
            [weak self] (loadingStatus) in
            
            MJRefreshManager.mjRefreshManagerLoadingStatus(tableView: self?.tableView,loadingStatus: loadingStatus)

        }
    }
    
    /// 获取高度
    func heightList() {
        heights.removeAll()
        if !(communityPostDataModels.isEmpty) {
            for (index,communityPostDataModel) in (communityPostDataModels.enumerated()) {
                //图片高度
                var imageHeight : CGFloat!
                if index == 0 {
                    imageHeight = (kScreenWidth - 15)/2
                }else {
                    imageHeight = 240 * kScaleWidth
                }
                
                //label高度
                var labelHeight : CGFloat = 0
                //总间距
                let spacingHeght : CGFloat = 35
                
                let str = communityPostDataModel.content?.replacingOccurrences(of: "\n", with: "").replacingOccurrences(of: "\r", with: "").prefix(13)
                
                if communityPostDataModel.title == "" || communityPostDataModel.title == nil  {
                    let content = "\(str ?? "")"
                    labelHeight = (content.heightForComment(font: kMediumFont13!, width: (((kScreenWidth - 15)/2) - 20)))
                }else {
                    let str = communityPostDataModel.title?.replacingOccurrences(of: "\n", with: "").replacingOccurrences(of: "\r", with: "")
                    labelHeight = (str?.heightForComment(font: kMediumFont13!, width: (((kScreenWidth - 15)/2) - 20)))!
                }
                
                //button高度
                let buttonHeight = 18
                let totalHeight = CGFloat(imageHeight!) + CGFloat(labelHeight) + CGFloat(spacingHeght) + CGFloat(buttonHeight)
                heights.append(totalHeight)
            }
        }
    }
    
    
    /// 评论
    func communityPostCommentApi(text:String,complete: @escaping () -> ()) {
        let communityCustomCommnetModel = CommunityCustomCommnetModel()
        communityCustomCommnetModel.postId = communityPostDetailModel?.id ?? 0
        communityCustomCommnetModel.content = text
        if communityPostCommentModel != nil {
            communityCustomCommnetModel.parentId = communityPostCommentModel?.id
            communityCustomCommnetModel.replyUid = communityPostCommentModel?.uid
            communityCustomCommnetModel.replyUsername = communityPostCommentModel?.username
        }

        SwiftMoyaNetWorkServiceCommunity.shared().communityPostCommentApi(communityCustomCommnetModel: communityCustomCommnetModel) {
            [weak self] (communityPostCommentIdModel) -> (Void) in
            
            let communityPostCommentIdModel = communityPostCommentIdModel as? CommunityPostCommentIdModel

            if self?.communityPostCommentModel == nil { //评
                let communityPostCommentModel = CommunityPostCommentModel()
                communityPostCommentModel.avatar = UserModel.shared().getModel()?.avatarurl
                communityPostCommentModel.content = text
                communityPostCommentModel.createdAt = "刚刚"
                communityPostCommentModel.id = communityPostCommentIdModel?.id
                communityPostCommentModel.username = UserModel.shared().getModel()?.username
                communityPostCommentModel.uid = UserModel.shared().getModel()?.uid
                self?.communityPostCommentModels.insert(communityPostCommentModel, at: 0)
                VirusViewModel.shared.comment(communityPostDetailModel: (self?.communityPostDetailModel)!, id: communityPostCommentIdModel?.id ?? 0,content: text)


            }else { //回评论
                let communityPostReplyModel = CommunityPostReplyModel()
                communityPostReplyModel.avatar = UserModel.shared().getModel()?.avatarurl
                communityPostReplyModel.content = text
                communityPostReplyModel.createdAt = "刚刚"
                communityPostReplyModel.id = communityPostCommentIdModel?.id
                communityPostReplyModel.username = UserModel.shared().getModel()?.username
                communityPostReplyModel.uid = UserModel.shared().getModel()?.uid
                let count  = self?.communityPostCommentModel?.replyCount ?? 0 + 1
                self?.communityPostCommentModel?.replyCount = count
                if self?.communityPostCommentModel?.reply == nil {
                    self?.communityPostCommentModel?.reply = Array<CommunityPostReplyModel>()
                }
                self?.communityPostCommentModel?.reply?.insert(communityPostReplyModel, at: 0)
                VirusViewModel.shared.comment(communityPostDetailModel: (self?.communityPostDetailModel)!, id: communityPostCommentIdModel?.id ?? 0,content: text, communityPostCommentModel: self?.communityPostCommentModel)
            }
            self?.count += 1
            self?.communityPostDetailModel?.commentCount = self?.count
            self?.commentView.communityPostDetailModel = self?.communityPostDetailModel
            self?.tableView.reloadData()
            complete()
        }
    }
    
    /// 删除帖子
    func communityDeleteApi(postId:Int) {
        SwiftMoyaNetWorkServiceCommunity.shared().communityDeleteApi(postId: postId) { [weak self] (data) -> (Void) in
            self?.navigationController?.popViewController(animated: true)
        }
    }
}

// MARK: - tableView dataSource && delegate
extension CommunityRecommendController: UITableViewDataSource, UITableViewDelegate {
    
    func numberOfSections(in tableView: UITableView) -> Int {
        if communityPostDetailModel != nil {
            return 3
        }else {
            return 0
        }
    }
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        switch section {
        case 0:
            return 1
        case 1:
            return communityPostCommentModels.isEmpty ? 1 : communityPostCommentModels.count
        case 2:
            return 1
        default:
            return 0
        }
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        switch indexPath.section {
        case 0:
            
            if PostType(rawValue: communityPostDetailModel?.type ?? "html") == .html {
                let cell = CommunityRecommendDetailHTMLTableViewCell.cellWith(tableView: tableView, indexPath: indexPath)
                cell.communityPostDetailModel = communityPostDetailModel
                cell.frame = tableView.bounds
                cell.layoutIfNeeded()
                cell.reloadData()
                cell.heightModel =  heightModel1
                cell.tableView = tableView
                  return cell
            }else {
                let cell = RecommendDetailContentCell.cellWith(tableView: tableView, indexPath: indexPath)
                cell.communityPostDetailModel = communityPostDetailModel
                cell.frame = tableView.bounds
                cell.layoutIfNeeded()
                cell.reloadData()
                cell.heightModel =  heightModel1
                  return cell
            }
          
        case 1:
            if communityPostCommentModels.isEmpty {
                let cell = RecommendNoneCommentCell.cellWith(tableView: tableView, indexPath: indexPath)
                cell.communityPostDetailModel = communityPostDetailModel
                cell.commentClosure = {
                    [weak self] in
                    if UserModel.isTokenNil() {
                        kAppDelegate.setLogin()
                    }else {
                        self?.showKeyBoardCommentView(placeholder: "添加评论...")
                    }
                }
                cell.userClosure = {
                    [weak self] in
                    if UserModel.isTokenNil() {
                        kAppDelegate.setLogin()
                    }else {
                        if self?.communityPostDetailModel?.uid != UserModel.shared().getModel()?.uid {
                            let vc = OtherPersonalCenterViewController()
                            vc.uid = self?.communityPostDetailModel?.uid ?? 0
                            self?.navigationController?.pushViewController(vc, animated: true)
                        }
                    }

                }
                return cell
            }else {
                let cell = RecommendMajorCommentCell.cellWith(tableView: tableView, indexPath: indexPath)
                cell.communityPostDetailModel = communityPostDetailModel
                cell.communityPostCommentModel = communityPostCommentModels[indexPath.row]
                cell.frame = tableView.bounds
                cell.layoutIfNeeded()
                cell.reloadData()
                return cell
            }
        case 2:
            let cell =  RecommendSimilarCell.cellWith(tableView: tableView, indexPath: indexPath)
            cell.heights = heights
            cell.communityPostDataModels = communityPostDataModels
            cell.frame = tableView.bounds
            cell.layoutIfNeeded()
            cell.reloadData()
            cell.heightModel =  heightModel
            return cell
        default:
            return UITableViewCell()
        }
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        switch indexPath.section {
        case 0:
            break
        case 1:
            if communityPostCommentModels.isEmpty {
                break
            }else {
                if UserModel.isTokenNil() {
                    kAppDelegate.setLogin()
                }else {
                    communityPostCommentModel = self.communityPostCommentModels[indexPath.row]
                    self.indexPath = indexPath
                    
                    if communityPostCommentModel?.isDelete != 1 {
                        CommentReplyView.commentReplyView(id: communityPostCommentModel?.id, uid: communityPostCommentModel?.uid,userName: communityPostCommentModel?.username ?? "", content: communityPostCommentModel?.content ?? "", replyClosure: {
                            [weak self] in
                            self?.communityPostCommentModel = self?.communityPostCommentModels[indexPath.row]
                            self?.showKeyBoardCommentView(placeholder: "回复:@\(self?.communityPostCommentModel?.username ?? "")")
                            }, deleteClosure: {
                                [weak self] in
                                self?.communityPostCommentModel?.isDelete = 1
                                self?.communityPostCommentModel?.content = "该评论已被删除"
                                self?.tableView.reloadData()
                        })
                    }else {
                        SwiftProgressHUD.shared().showText("该评论已删除,暂时不能评论")
                        communityPostCommentModel = nil
                    }
                    
                    
                }
                break
            }
        case 2:
            break
        default:
            break
        }
    }
    
    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        switch indexPath.section {
        case 0:
            return heightModel1.height ?? 0
        case 1:
            if communityPostCommentModels.isEmpty {
                return 132
            }else {
                return communityPostCommentModels[indexPath.row].height ?? 0
            }
        case 2:
            return heightModel.height ?? 0
        default:
            return 0
        }
        
        
    }
    
    func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
        switch section {
        case 0:
            return 0.000001
        case 1:
            if communityPostCommentModels.isEmpty {
                return 0.000001
            }else {
                return 64
            }
        case 2:
            return  52
        default:
            return 0.000001
        }
    }
    
    func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
        switch section {
        case 0:
            return UIView()
        case 1:
            if communityPostCommentModels.isEmpty {
                return UIView()
            }else {
                let headerView = RecommendCommentHeader(frame: CGRect(x: 0, y: 0, width: kScreenWidth, height: 64))
                headerView.count = count
                return headerView
            }
        case 2:
            return  RecommendSimilarHeaderView(frame: CGRect(x: 0, y: 0, width: kScreenWidth, height: 52))
        default:
            return UIView()
        }
    }
    
    func tableView(_ tableView: UITableView, heightForFooterInSection section: Int) -> CGFloat {
        switch section {
        case 0:
            return 10
        case 1:
            if communityPostCommentModels.isEmpty {
                return 0.000001
            }else {
                if  communityPostCommentsModel?.pagination?.currentPage ?? 0 >= communityPostCommentsModel?.pagination?.totalPages ?? 0 {
                    return 0.000001
                }else {
                    return 51
                }
            }
        case 2:
            return  0.000001
        default:
            return 0.000001
        }
    }
    
    func tableView(_ tableView: UITableView, viewForFooterInSection section: Int) -> UIView? {
        switch section {
        case 0:
            return UIView()
        case 1:
            if communityPostCommentModels.isEmpty {
                return UIView()
            }else {
                
                if  communityPostCommentsModel?.pagination?.currentPage ?? 0 >= communityPostCommentsModel?.pagination?.totalPages ?? 0 {
                    return UIView()
                }else {
                    let footerView = RecommendCommentFooter(frame: CGRect(x: 0, y: 0, width: kScreenWidth, height: 51))
                    footerView.unfoldClosure = {
                        [weak self] in
                        self?.communityPostCommentApi(page: (self?.communityPostCommentsModel?.pagination?.currentPage ?? 0) + 1)
                    }
                    return footerView
                }
            }
        case 2:
            return  UIView()
        default:
            return UIView()
        }
    }
    
}

// MARK: - scrollView
extension CommunityRecommendController {
    
    func scrollViewDidScroll(_ scrollView: UIScrollView) {

        if PostType(rawValue: communityPostDetailModel?.type ?? "html") == .html {
            let offsetY = scrollView.contentOffset.y
            if (offsetY > kSafeStatusBarHeight) {
                let alpha = (offsetY - kSafeStatusBarHeight) / CGFloat(kNavBarTotalHeight)
                self.avatarButton.alpha = alpha
                self.nameButton.alpha = alpha
                if self.communityPostDetailModel?.uid == UserModel.shared().getModel()?.uid {
                    self.followButton.alpha = 0
                }else {
                    self.followButton.alpha = alpha
                }
            } else {
                self.avatarButton.alpha = 0
                self.nameButton.alpha = 0
                self.followButton.alpha = 0
            }
        }
    }
    
    func scrollViewWillBeginDragging(_ scrollView: UIScrollView) {
        lastContentOffset = scrollView.contentOffset.y
    }
    
    func scrollViewWillBeginDecelerating(_ scrollView: UIScrollView) {
        if lastContentOffset < scrollView.contentOffset.y {
            sharedButton.isHidden = true
        }else{
            sharedButton.isHidden = false
        }
    }
    
    func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) {
        sharedButton.isHidden = false
    }
}