platform-ios/RainbowPlanet/RainbowPlanet/Modules/CommunityModule/Community/ViewController/Recommend/CommunityRecommnendViewController.swift

//
//  CommunityRecommnendViewController.swift
//  RainbowPlanet
//
//  Created by 南鑫林 on 2019/6/28.
//  Copyright © 2019 RainbowPlanet. All rights reserved.
//

import UIKit
import JXSegmentedView
import Kingfisher

class CommunityRecommnendViewController: UIViewController {
    
    deinit {
        NXLLog("deinit")
        if observe != nil {
            NotificationCenter.default.removeObserver(observe!)
        }
    }
    weak var observe : NSObjectProtocol?
    
    var communityRecommendDataModels = Array<CommunityRecommendDataModel>()
    /// 评论需要的模型
    var communityRecommendDataModel : CommunityRecommendDataModel?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        setupViews()
        setupLayouts()
        setupData()
    }
    
    func setupViews() {
        view.backgroundColor = kf7f8faColor
        view.addSubview(tableView)
    }
    
    func setupLayouts() {
        tableView.snp.makeConstraints { (make) in
            make.top.left.right.equalToSuperview()
            make.height.equalTo(kScreenHeight-48-kNavBarTotalHeight-kTabBarTotalHeight)
        }
        tableView.reloadData()
    }
    
    func setupData() {
        //下拉刷新
        tableView.addHeader(withBeginRefresh: true, animation: true) {
            [weak self] (page) in
            self?.communityPostSuggestApi(page:page)
        }
        tableView.addAutoNormalFooter(withAutomaticallyRefresh: true, loadMoreBlock: {
            [weak self] (page) in
            self?.communityPostSuggestApi(page:page)
        })

        
        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?.communityRecommendDataModels.isEmpty ?? true) {
                for communityRecommendDataModel in (self?.communityRecommendDataModels)! {
                    if communityRecommendDataModel.uid == followStatusModel?.uid {
                        communityRecommendDataModel.isFollow = followStatusModel?.isFollowStatus
                    }
                }
            }
            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?.communityRecommendDataModels.isEmpty ?? true) {
                for communityRecommendDataModel in (self?.communityRecommendDataModels)! {
                    if communityRecommendDataModel.id == followStatusModel?.postId {
                        communityRecommendDataModel.isDislike = followStatusModel?.isFollowStatus
                    }
                }
            }
            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?.communityRecommendDataModels.isEmpty ?? true) {
                for communityRecommendDataModel in (self?.communityRecommendDataModels)! {
                    if communityRecommendDataModel.id == followStatusModel?.postId {
                        communityRecommendDataModel.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?.communityRecommendDataModels.isEmpty ?? true) {
                for communityRecommendDataModel in (self?.communityRecommendDataModels)! {
                    if communityRecommendDataModel.id == followStatusModel?.postId {
                        communityRecommendDataModel.isCollect = followStatusModel?.isFollowStatus
                    }
                }
            }
            self?.tableView.reloadData()
        }
        
        observe = NotificationCenter.default.addObserver(forName: NSNotification.Name("communityDeletePostApi"), object: nil, queue: OperationQueue.main) { [weak self] (notification) in
                let postId = notification.object as? Int
                if !(self?.communityRecommendDataModels.isEmpty ?? true) {
                    for (index,communityRecommendDataModel) in (self?.communityRecommendDataModels)!.enumerated() {
                        if communityRecommendDataModel.id == postId {
                            self?.communityRecommendDataModels.remove(at: index)
                    }
                }
                self?.tableView.reloadData()
            }
        }
        
        
        
        observe = NotificationCenter.default.addObserver(forName: NSNotification.Name("CommunityModuleRecommendTop"), object: nil, queue: OperationQueue.main, using: {
            [weak self] (notification) in
            if self?.tableView.contentOffset == CGPoint(x: 0, y: 0) {
                self?.tableView.mj_header.beginRefreshing()
            }else {
                self?.tableView.scrollToTop()
            }
        })
        
        
    }
    
    private 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
        tableView.estimatedRowHeight = 0
        tableView.estimatedSectionFooterHeight = 0
        tableView.estimatedSectionHeaderHeight = 0
        return tableView
    }()
    
    private lazy var followTableHeaderView: CommunityFollowTableHeaderView = {
        let followTableHeaderView = CommunityFollowTableHeaderView(frame: CGRect(x: 0, y: 0, width: kScreenWidth, height: 286))
        return followTableHeaderView
    }()
    
    /// 显示键盘
    func showKeyBoardCommentView() {
        
        KeyBoardInputView.show(inputViewResultClosure: {
             [weak self] (text) in
            self?.communityPostCommentApi(text: text, complete: {
                [weak self] in
                self?.communityRecommendDataModel = nil
            })
        }) {
            [weak self] in
            self?.communityRecommendDataModel = nil
        }
    }
    
    override func didReceiveMemoryWarning() {
        KingfisherManager.shared.cache.clearDiskCache()
        KingfisherManager.shared.cache.clearMemoryCache()
    }
    
}

extension CommunityRecommnendViewController {
    
    /// 推荐feed流
    ///
    /// - Parameter page: 分页
    func communityPostSuggestApi(page:Int) {
        
        SwiftMoyaNetWorkServiceCommunity.shared().communityPostSuggestApi(page:page,completion: {
            [weak self] (communityRecommendFeedModel) -> (Void) in
            DIYEmptyView.emptyNoDataTableView(tableView: self?.tableView)
            let communityRecommendFeedModel = communityRecommendFeedModel as? CommunityRecommendFeedModel
            if communityRecommendFeedModel?.pagination?.currentPage == 1{
                self?.communityRecommendDataModels.removeAll()
                self?.tableView.resetNoMoreData()
            }
            self?.communityRecommendDataModels = (self?.communityRecommendDataModels)! + (communityRecommendFeedModel?.data!)!
            self?.tableView.reloadData()
            MJRefreshManager.hiddenHeaderWithFooter(tableView: self?.tableView, pagination: communityRecommendFeedModel?.pagination)
        }) {
            [weak self] (loadingStatus) in
            MJRefreshManager.hiddenHeaderWithFooterNONetWork(tableView: self?.tableView)
        }
        
    }
    
    /// 评论
    func communityPostCommentApi(text:String,complete:@escaping () -> ()) {
        let communityCustomCommnetModel = CommunityCustomCommnetModel()
        communityCustomCommnetModel.postId = communityRecommendDataModel?.id ?? 0
        communityCustomCommnetModel.content = text
        
        SwiftMoyaNetWorkServiceCommunity.shared().communityPostCommentApi(communityCustomCommnetModel: communityCustomCommnetModel) {
            [weak self] (communityPostCommentIdModel) -> (Void) in
            
            let communityPostCommentIdModel = communityPostCommentIdModel as? CommunityPostCommentIdModel
            
            let communityRecommendCommentModel = CommunityRecommendCommentModel()
            communityRecommendCommentModel.content = text
            communityRecommendCommentModel.id = communityPostCommentIdModel?.id
            communityRecommendCommentModel.username = UserModel.shared().getModel()?.username
            
            if  self?.communityRecommendDataModel?.comment?.isEmpty ?? true {
                self?.communityRecommendDataModel?.comment = Array<CommunityRecommendCommentModel>()
            }
            
            self?.communityRecommendDataModel?.comment?.insert(communityRecommendCommentModel, at: 0)
            
            VirusViewModel.shared.comment(communityRecommendDataModel:  self?.communityRecommendDataModel, id: communityPostCommentIdModel?.id ?? 0,content: text)
            
            let count = (1 + (self?.communityRecommendDataModel?.commentCount ?? 0))
            self?.communityRecommendDataModel?.commentCount = count
            self?.tableView.reloadData()
            complete()
            
        }
    }
    
    
    /// 删除帖子
    func communityDeleteApi(postId:Int,section:Int) {
        SwiftMoyaNetWorkServiceCommunity.shared().communityDeleteApi(postId: postId) { [weak self] (data) -> (Void) in
            self?.communityRecommendDataModels.remove(at: section)
            self?.tableView.reloadData()
        }
    }

}

extension CommunityRecommnendViewController : UITableViewDelegate,UITableViewDataSource {
    func numberOfSections(in tableView: UITableView) -> Int {
        return communityRecommendDataModels.isEmpty ? 0 : communityRecommendDataModels.count
    }
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        let communityRecommendDataModel = communityRecommendDataModels[section]
        if  CommunityPostSuggestType(rawValue: communityRecommendDataModel.showType ?? "") == .post {
            return 6
        }else {
            return 1
        }
        
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        
        let communityRecommendDataModel = communityRecommendDataModels[indexPath.section]
        let communityPostSuggestCType = CommunityPostSuggestType(rawValue: communityRecommendDataModel.showType ?? "")
        switch communityPostSuggestCType {
        case .banner?: //banner
            let cell = CommunityBannerTableViewCell.cellWith(tableView: tableView, indexPath: indexPath)
            if !(communityRecommendDataModel.data?.isEmpty ?? true) {
                cell.communityRecommendTypeDataModels = communityRecommendDataModel.data
            }
            return cell
        case .user?: //推荐用户
            let cell = CommunityRecommendFollowTableViewCell.cellWith(tableView: tableView, indexPath: indexPath)
            cell.type = .recommend
            if !(communityRecommendDataModel.data?.isEmpty ?? true) {
                cell.communityRecommendTypeDataModels = communityRecommendDataModel.data
                cell.followClosure1 = {
                    [weak self] (isFollow,communityRecommendTypeDataModel) in
                    for (_,model) in (self?.communityRecommendDataModels.enumerated())! {
                        let communityPostSuggestCType = CommunityPostSuggestType(rawValue: model.showType ?? "")
                        if communityPostSuggestCType == .post {
                            if model.uid == communityRecommendTypeDataModel.uid {
                                model.isFollow = isFollow
                                tableView.reloadData()
                            }
                        }
                    }
                }
            }
            return cell
        case .video?: //推荐视频
            let cell = PopularVideoTableViewCell.cellWith(tableView: tableView, indexPath: indexPath)
            if !(communityRecommendDataModel.data?.isEmpty ?? true) {
                cell.communityRecommendTypeDataModels = communityRecommendDataModel.data
            }
            return cell
        case .topic?: //推荐话题
            let cell = FeaturedTopicsTableViewCell.cellWith(tableView: tableView, indexPath: indexPath)
            if !(communityRecommendDataModel.data?.isEmpty ?? true) {
                cell.communityRecommendTypeDataModels = communityRecommendDataModel.data
            }
            return cell
        case .post?: //贴子
            switch indexPath.row {
            //贴子用户
            case 0:
                let cell = CardContentUserTableViewCell.cellWith(tableView: tableView, indexPath: indexPath)
                cell.communityRecommendDataModel = communityRecommendDataModel
                cell.followClosure = {
                    [weak self] in
                    CommunityFollowUserViewModel.shared.follow(communityRecommendDataModel: communityRecommendDataModel, communityRecommendDataModels: (self?.communityRecommendDataModels)!, tableView: tableView)
                }
                cell.likeClosure = { y in
                    if UserModel.shared().isEqualUid(uid: communityRecommendDataModel.uid ?? 0) {
                        CardContentUserDeleteView.sheetDeleteView(y: y, sureClosure: { [weak self] (cardContentUserDeleteView) in
                            self?.communityDeleteApi(postId: communityRecommendDataModel.id ?? 0, section: indexPath.section)
                        })
                    }else {
                        VirusViewModel.shared.like(communityRecommendDataModel: communityRecommendDataModel, y: y, tableView: tableView)

                    }
                }
                return cell
            //图片视频
            case 1:
                let cell = CardContentPicVideoTableViewCell.cellWith(tableView: tableView, indexPath: indexPath)
                cell.type = .recommend
                cell.communityRecommendDataModel = communityRecommendDataModel
                return cell
            //内容标题
            case 2:
                let cell = CardContentTitleTableViewCell.cellWith(tableView: tableView, indexPath: indexPath)
                cell.communityRecommendDataModel = communityRecommendDataModel
                return cell
            //点赞,收藏,分享
            case 3:
                let cell = CardContentActionTableViewCell.cellWith(tableView: tableView, indexPath: indexPath)
                cell.communityRecommendDataModel = communityRecommendDataModel
                cell.praiseClosureName = { (button:UIButton)  in
                    VirusViewModel.shared.praise(communityRecommendDataModel: communityRecommendDataModel, tableView: tableView)
                }
                cell.collectClosureName = {
                    (button:UIButton) in
                    VirusViewModel.shared.collection(communityRecommendDataModel: communityRecommendDataModel, tableView: tableView)
                }
                return cell
            //评论列表
            case 4:
                let cell = CardContentCommentListTableViewCell.cellWith(tableView: tableView, indexPath: indexPath)
                cell.communityRecommendDataModel = communityRecommendDataModel
                return cell
            //评论
            case 5:
                let cell = CardContentCommnetTableViewCell.cellWith(tableView: tableView, indexPath: indexPath)
                cell.addCommnetClosureName = {
                    [weak self] in
                    self?.communityRecommendDataModel = self?.communityRecommendDataModels[indexPath.section]
                    self?.showKeyBoardCommentView()
                }
                return cell
            default:
                return UITableViewCell()
            }
        default:
            return UITableViewCell()
        }
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        let communityRecommendDataModel = communityRecommendDataModels[indexPath.section]
        let communityPostSuggestCType = CommunityPostSuggestType(rawValue: communityRecommendDataModel.showType ?? "")
        switch communityPostSuggestCType {
        //banner
        case .banner?:
            break
        //推荐用户
        case .user?:
            break
        //推荐视频
        case .video?:
            break
        //推荐话题
        case .topic?:
            break
        //贴子
        case .post?:
            switch indexPath.row {
            //贴子用户
            case 0:
                break
            //图片视频/内容标题/评论列表
            case 1,2,4:
                if PostType(rawValue: communityRecommendDataModel.type ?? "video") == .video {
                    NotificationCenter.default.post(name: NSNotification.Name("CommunityContentVideoClosure"), object: communityRecommendDataModel.id)
                    
                }else {
                    NotificationCenter.default.post(name: NSNotification.Name("CommunityContentDetailClosure"), object: communityRecommendDataModel.id)
                }
                break
            //点赞,收藏,分享
            case 3:
                break
            //评论
            case 5:
                break
            default:
                break
            }
            break
        default:
            break
        }
    }
    
    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        
        let communityRecommendDataModel = communityRecommendDataModels[indexPath.section]
        let communityPostSuggestCType = CommunityPostSuggestType(rawValue: communityRecommendDataModel.showType ?? "")
        switch communityPostSuggestCType {
        //banner
        case .banner?:

            if !(communityRecommendDataModel.data?.isEmpty ?? true) {
                return 150 * kScaleWidth
            }
            return 0
        //推荐用户
        case .user?:
            if !(communityRecommendDataModel.data?.isEmpty ?? true) {
                return 191
            }
            return 0
        //推荐视频
        case .video?:
            if !(communityRecommendDataModel.data?.isEmpty ?? true) {
                return 241
            }
            return 0
        //推荐话题
        case .topic?:
            if !(communityRecommendDataModel.data?.isEmpty ?? true) {
                return 173
            }
            return 0
        //贴子
        case .post?:
            switch indexPath.row {
            //贴子用户
            case 0:
                if communityRecommendDataModel.uid != nil {
                    return 80
                }
                return 0
            //图片视频
            case 1:
                
                let cardContentPicVideoModel = CardContentPicVideoModel()
                cardContentPicVideoModel.postType = PostType(rawValue: communityRecommendDataModel.type ?? "html")

                let imgStr = communityRecommendDataModel.img
                if communityRecommendDataModel.imgs?.count ?? 0 == 0 {
                    if communityRecommendDataModel.img != "" && communityRecommendDataModel.img != nil {
                        cardContentPicVideoModel.number = 1
                        cardContentPicVideoModel.width = getImageWidth(imgStr: (imgStr)!)
                        cardContentPicVideoModel.height = getImageHeight(imgStr: (imgStr)!)
                        return cardContentPicVideoModel.collectionViewHeight() + 15
                    }else {
                        return 0
                    }
                }else {
                    if communityRecommendDataModel.imgs?.count ?? 0 == 1 {
                        if communityRecommendDataModel.img != "" || communityRecommendDataModel.img != nil {
                            cardContentPicVideoModel.number = 1
                            cardContentPicVideoModel.width = getImageWidth(imgStr: (imgStr)!)
                            cardContentPicVideoModel.height = getImageHeight(imgStr: (imgStr)!)
                            return cardContentPicVideoModel.collectionViewHeight() + 15
                        }else {
                            return 0
                        }
                    }else {
                        cardContentPicVideoModel.number = communityRecommendDataModel.imgs?.count ?? 0
                        return cardContentPicVideoModel.collectionViewHeight() + 15
                    }
                }
            //内容标题
            case 2:
                var str = communityRecommendDataModel.content ?? ""
                str = str.replacingOccurrences(of: "\n", with: "").replacingOccurrences(of: "\r", with: "")
                if (communityRecommendDataModel.title == "" || communityRecommendDataModel.title == nil) {
                    if str.count >= 45 {
                        str = str.prefix(45) + "...更多"
                        let contentHeight = "\(str)".heightForComment(font: kRegularFont14!, width: kScreenWidth-28)
                        return contentHeight
                    }else {
                        let contentHeight = "\(str)".heightForComment(font: kRegularFont14!, width: kScreenWidth-28)
                        return contentHeight
                    }
                }else {
                    if PostType(rawValue: communityRecommendDataModel.type ?? "html") == .html {
                        return 22
                    }else {
                        if communityRecommendDataModel.content?.count ?? 0 >= 45 {
                            str = str.prefix(45) + "...更多"
                            let contentHeight = "\(str)".heightForComment(font: kRegularFont14!, width: kScreenWidth-28)
                            return (22 + 6 + contentHeight)
                        }else {
                            let contentHeight = "\(str)".heightForComment(font: kRegularFont14!, width: kScreenWidth-28)
                            return 22 + 6 + contentHeight
                        }
                    }
                }
            //点赞,收藏,分享
            case 3:
                return 54
            //评论列表
            case 4:
                if !(communityRecommendDataModel.comment?.isEmpty ?? true) {
                    
                    var height : CGFloat?
                    for communityRecommendCommentModel in communityRecommendDataModel.comment!.prefix(2) {
                        
                        let nameStr = "\(communityRecommendCommentModel.username ?? ""):"
                        let contentStr = "\(communityRecommendCommentModel.content ?? "")"
                        let str =  nameStr + contentStr
                        let strHeight = str.heightForComment(font: kRegularFont14!, width: kScreenWidth-28)
                        height = (height ?? 0) + strHeight + 4
                    }
                    
                    if (communityRecommendDataModel.commentCount ?? 0) <= 2 {
                        return (height ?? 0)
                    }else {
                        return 23 + (height ?? 0)
                    }
                }
                return 0
            //评论
            case 5:
                return 58
            default:
                return 0
            }
        default:
            return 0
        }
    }
    
    func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
        
        let communityRecommendDataModel = communityRecommendDataModels[section]
        let communityPostSuggestCType = CommunityPostSuggestType(rawValue: communityRecommendDataModel.showType ?? "")
        switch communityPostSuggestCType {
        //banner
        case .banner?:
            
            if !(communityRecommendDataModel.data?.isEmpty ?? true) {
                return 0.000001
            }
            return 0.000001
        //推荐用户
        case .user?:
            if !(communityRecommendDataModel.data?.isEmpty ?? true) {
                return 62
            }
            return 0.000001
        //推荐视频
        case .video?:
            if !(communityRecommendDataModel.data?.isEmpty ?? true) {
                return 62
            }
            return 0.000001
        //推荐话题
        case .topic?:
            if !(communityRecommendDataModel.data?.isEmpty ?? true) {
                return 62
            }
            return 0.000001
        //贴子
        case .post?:
            return 0.000001
        default:
            return 0.000001
        }

    }
    
    func tableView(_ tableView: UITableView, heightForFooterInSection section: Int) -> CGFloat {
        return 10
    }
    
    func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
        
        let communityRecommendDataModel = communityRecommendDataModels[section]
        let communityPostSuggestCType = CommunityPostSuggestType(rawValue: communityRecommendDataModel.showType ?? "")
        let headerView = CommunityCommonSectionHeaderView(frame: CGRect(x: 0, y: 0, width: kScreenWidth, height: 62))

        switch communityPostSuggestCType {
        //banner
        case .banner?:
            
            if !(communityRecommendDataModel.data?.isEmpty ?? true) {
                return nil
            }
            return nil
        //推荐用户
        case .user?:
            if !(communityRecommendDataModel.data?.isEmpty ?? true) {
                headerView.communityCommonSectionHeaderViewType = .recommendFollow

                return headerView
            }
            return nil
        //推荐视频
        case .video?:
            if !(communityRecommendDataModel.data?.isEmpty ?? true) {
                headerView.communityCommonSectionHeaderViewType = .popularVideo
                headerView.communityRecommendTypeDataModels = communityRecommendDataModel.data
                return headerView
            }
            return nil
        //推荐话题
        case .topic?:
            if !(communityRecommendDataModel.data?.isEmpty ?? true) {
                headerView.communityCommonSectionHeaderViewType = .featuredTopics
                return headerView
            }
            return nil
        //贴子
        case .post?:
            return nil
        default:
            return nil
        }
    }
    func tableView(_ tableView: UITableView, viewForFooterInSection section: Int) -> UIView? {
        return nil
    }
}

extension CommunityRecommnendViewController : JXSegmentedListContainerViewListDelegate {
    func listView() -> UIView {
        return view
    }
}