platform-ios/RainbowPlanet/RainbowPlanet/Modules/MineModule/MyFollowAndFan/ViewController/MyFollowAndFanViewController.swift

//
//  MyFollowAndFanViewController.swift
//  RainbowPlanet
//
//  Created by 南鑫林 on 2019/6/18.
//  Copyright © 2019 RainbowPlanet. All rights reserved.
//

import UIKit
import SwiftyMediator
import Kingfisher
enum MyFollowAndFanType {
    case follow
    case fan
}

class MyFollowAndFanViewController: BaseViewController {
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        KingfisherManager.shared.cache.clearDiskCache()
        KingfisherManager.shared.cache.clearMemoryCache()
    }

    /// 类型
    var myfollowAndFanType : MyFollowAndFanType?
    /// 关注数组
    var userFollowModels = Array<UserFollowModel>()
    /// 粉丝数组
    var userFanModels = Array<UserFanModel>()
    /// 用户信息
    var userDetailModel : UserDetailModel?
    /// 默认图
    var emptyView : DIYEmptyView?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        setupViews()
        setupLayouts()
        setupData()
    }
    
    override func setupViews() {
        view.backgroundColor = kf7f8faColor
        view.addSubview(tableView)
    }
    
    override func setupLayouts() {
        tableView.snp.makeConstraints { (make) in
            make.top.equalToSuperview().offset(kNavBarTotalHeight)
            make.left.right.bottom.equalTo(0)
        }
    }
    
    override func setupData() {
        /// 上拉刷新
        tableView.addHeader(withBeginRefresh: true, animation: true) {
            [weak self]  (page) in
            self?.userFollowsFans(page:page)
        }
        /// 下拉加载
        tableView.addAutoNormalFooter(withAutomaticallyRefresh: true, loadMoreBlock: {
            [weak self] (page) in
            self?.userFollowsFans(page:page)
        })
        
    }
    
    private lazy var tableView: UITableView = {
        let tableView = UITableView(frame: CGRect.zero, style: UITableView.Style.grouped)
        tableView.separatorStyle = .none
        tableView.backgroundColor = kf7f8faColor
        tableView.rowHeight = 81
        tableView.dataSource = self
        tableView.delegate = self
        return tableView
    }()
    
    private lazy var followHeaderView: MyFollowAndFanHeaderView = {
        let followHeaderView = MyFollowAndFanHeaderView(frame: CGRect(x: 0, y: 0, width: kScreenWidth, height: 36))
        followHeaderView.titleLabel.isHidden = false
        followHeaderView.userDetailModel = self.userDetailModel
        return followHeaderView
    }()
    
    private lazy var fanHeaderView: MyFollowAndFanHeaderView = {
        let fanHeaderView = MyFollowAndFanHeaderView(frame: CGRect(x: 0, y: 0, width: kScreenWidth, height: 10))
        fanHeaderView.titleLabel.isHidden = true
        return fanHeaderView
    }()
}

extension MyFollowAndFanViewController {
    
    
    /// 获取关注列表 / 获取粉丝列表
    ///
    /// - Parameter page: 分页
    func userFollowsFans(page:Int = 1) {
        if myfollowAndFanType == .follow {
            userFollows(page: page)
            
        }else if myfollowAndFanType == .fan {
            self.tableView.tableHeaderView = fanHeaderView
            userFans(page: page)
        }
    }
    
    /// 获取关注列表
    func userFollows(page:Int = 1) {
        SwiftMoyaNetWorkServiceUser.shared().userFollowsApi(uid: self.userDetailModel?.uid ?? 0, page: page, completion: { [weak self] (userFollowsModel) -> (Void) in
            DIYEmptyView.emptyNoDataActionTableView(tableView: self?.tableView, imageStr: .eight, detailStr: .eight, btnTitleStr: .five, btnClickBlock: {
                Mediator.push(CommunityRouterModuleType.pushFindFriends)
            })
            
            let userFollowsModel = userFollowsModel as? UserFollowsModel
            if userFollowsModel?.pagination?.currentPage == 1{
                self?.userFollowModels.removeAll()
                self?.tableView.resetNoMoreData()
            }
            self?.userFollowModels = (self?.userFollowModels)! + (userFollowsModel?.data!)!
            if !(self?.userFollowModels.isEmpty ?? true) {
                self?.tableView.tableHeaderView = self?.followHeaderView
            }
            self?.tableView.reloadData()
            MJRefreshManager.mjRefreshManagerPaginationNoHiddenFooter(tableView: self?.tableView, pagination:userFollowsModel?.pagination)

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

        })
    }
    
    /// 获取粉丝列表
    func userFans(page:Int = 1) {
        SwiftMoyaNetWorkServiceUser.shared().userFansApi(uid: self.userDetailModel?.uid ?? 0, page: page,completion: { [weak self] (userFansModel) in
            DIYEmptyView.emptyNoDataActionTableView(tableView: self?.tableView, imageStr: .seven, detailStr: .seven, btnTitleStr: .four, btnClickBlock: {
                [weak self] in
                if BaseTabbarViewController.shared.v1.navigationBarbgView.isHidden {
                    let pickVc = PublishViewController()
                    let nav = BaseNavigationViewController.init(rootViewController: pickVc)
                    self?.tabBarController?.present(nav, animated: true, completion: {
                        [weak self] in
                        self?.navigationController?.popToRootViewController(animated: false)
                    })
                } else {
                    SwiftProgressHUD.shared().showText("内容上传中，请稍等", textAlignment: .center)
                }
                
            })
            let userFansModel = userFansModel as? UserFansModel
            if userFansModel?.pagination?.currentPage == 1{
                self?.userFanModels.removeAll()
                self?.tableView.resetNoMoreData()
                
            }
            self?.userFanModels = (self?.userFanModels)! + (userFansModel?.data!)!
            if !(self?.userFanModels.isEmpty ?? true) {
                self?.tableView.tableHeaderView = self?.fanHeaderView
            }
            self?.tableView.reloadData()
            MJRefreshManager.mjRefreshManagerPaginationNoHiddenFooter(tableView: self?.tableView, pagination: userFansModel?.pagination)
        }, fail: {
            [weak self] (loadingStatus) in
            MJRefreshManager.mjRefreshManagerLoadingStatus(tableView: self?.tableView,loadingStatus: loadingStatus)
            
        })
    }
    
    /// 关注
    func userFollow(followUid:Int,completion: @escaping (Int) -> Void) {
        SwiftMoyaNetWorkServiceUser.shared().userFollowApi(followUid: followUid) {(followStatusModel) -> (Void) in
            let followStatusModel = followStatusModel as? FollowStatusModel
            completion(followStatusModel?.isFollowStatus ?? 0)
        }
    }
    
    /// 取消关注
    func userCancelFollow(followUid:Int,completion: @escaping (Int) -> Void) {
        SwiftMoyaNetWorkServiceUser.shared().userCancelFollowApi(followUid: followUid) {
            (followStatusModel) -> (Void) in
            let followStatusModel = followStatusModel as? FollowStatusModel
            completion(followStatusModel?.isFollowStatus ?? 0)
        }
    }
    
}

// MARK: - tableView dataSource && delegate
extension MyFollowAndFanViewController: UITableViewDataSource, UITableViewDelegate {
    
    func numberOfSections(in tableView: UITableView) -> Int {
        return 1
    }
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        if myfollowAndFanType == .follow {
            return userFollowModels.isEmpty ? 0 : userFollowModels.count
            
        }else if myfollowAndFanType == .fan {
           return userFanModels.isEmpty ? 0 : userFanModels.count
        }
        return 0
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = SearchUserLitTableViewCell.cellWith(tableView: tableView, indexPath: indexPath)
        if myfollowAndFanType == .follow {
            cell.userFollowModel = userFollowModels[indexPath.row]
        }else if myfollowAndFanType == .fan {
            cell.userFanModel = userFanModels[indexPath.row]
        }
        cell.followButtonClosure = {
            [weak self,weak cell] in
            if self?.myfollowAndFanType == .follow {
                if cell?.userFollowModel?.isFollowStatus == 0 { //加关注
                    self?.userFollow(followUid: cell?.userFollowModel?.followUid ?? 0, completion: {[weak self,weak cell] (isFollow) -> Void in
                        cell?.userFollowModel?.isFollowStatus = isFollow
                        self?.tableView.reloadRows(at: [indexPath], with: UITableView.RowAnimation.none)
                    })
                }else { //取消关注
                    self?.userCancelFollow(followUid: cell?.userFollowModel?.followUid ?? 0, completion: { [weak self,weak cell] (isFollow) -> Void in
                        cell?.userFollowModel?.isFollowStatus = isFollow
                        self?.tableView.reloadRows(at: [indexPath], with: UITableView.RowAnimation.none)
                    })
                }

            }else if self?.myfollowAndFanType == .fan {
                if cell?.userFanModel?.isFollowStatus == 0 {//加关注
                    self?.userFollow(followUid: cell?.userFanModel?.fanUid ?? 0, completion: {[weak self,weak cell] (isFollow) -> Void in
                        cell?.userFanModel?.isFollowStatus = isFollow
                        self?.tableView.reloadRows(at: [indexPath], with: UITableView.RowAnimation.none)
                    })
                }else {//取消关注
                    self?.userCancelFollow(followUid: cell?.userFanModel?.fanUid ?? 0, completion: {[weak self,weak cell] (isFollow) -> Void in
                        cell?.userFanModel?.isFollowStatus = isFollow
                        self?.tableView.reloadRows(at: [indexPath], with: UITableView.RowAnimation.none)
                    })
                }
            }
        }
        return cell
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        tableView.deselectRow(at: indexPath, animated: true)
        let userModel = UserModel.shared().getModel()

        if myfollowAndFanType == .follow {
            let userFollowModel = self.userFollowModels[indexPath.row]
            if userModel?.uid != userFollowModel.followUid {
                let vc = OtherPersonalCenterViewController()
                vc.uid = userFollowModel.followUid ?? 0
                self.navigationController?.pushViewController(vc, animated: true)
            }
        }else if myfollowAndFanType == .fan {
            let userFanModel = self.userFanModels[indexPath.row]
            if userModel?.uid != userFanModel.fanUid {
                let vc = OtherPersonalCenterViewController()
                vc.uid = userFanModel.fanUid ?? 0
                self.navigationController?.pushViewController(vc, animated: true)
            }
        }
    }
    
    func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
        return 0.000001
    }
    
    func tableView(_ tableView: UITableView, heightForFooterInSection section: Int) -> CGFloat {
        return 0.000001
    }
    
    func tableView(_ tableView: UITableView, viewForFooterInSection section: Int) -> UIView? {
        return nil
    }
    
    func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
        return nil
    }
    
}