platform-ios/RainbowPlanet/RainbowPlanet/Modules/SearchModule/SearchUser/ViewController/SearchUserListViewController.swift

//
//  SearchUserListViewController.swift
//  RainbowPlanet
//
//  Created by 南鑫林 on 2019/6/19.
//  Copyright © 2019 RainbowPlanet. All rights reserved.
//

import UIKit
import JXSegmentedView
import SwiftyMediator
class SearchUserListViewController: BaseViewController {
    
    deinit {
        if observe != nil {
            NotificationCenter.default.removeObserver(observe!)
        }
    }
    weak var observe : NSObjectProtocol?

    var keyWord : String = ""
    var searchMemberModels = Array<SearchMemberModel>()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        setupViews()
        setupLayouts()
        setupData()
    }
    
    override func setupViews() {
        navigationBar.isHidden = true
        view.backgroundColor = kf7f8faColor
        view.addSubview(tableView)
    }
    
    override func setupLayouts() {
        tableView.snp.makeConstraints { (make) in
            make.top.equalTo(5)
            make.left.equalTo(0)
            make.right.equalTo(0)
            make.bottom.equalTo(0)
        }
    }
    override func setupData() {
        tableView.addHeader(withBeginRefresh: true, animation: true) {
            [weak self] (page) in
            self?.userMemberSearchMemberApi(page: page)
        }
        tableView.addFooter(withAutomaticallyRefresh: false) {
            [weak self] (page) in
            self?.userMemberSearchMemberApi(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?.searchMemberModels.isEmpty ?? true) {
                for searchMemberModel in (self?.searchMemberModels)! {
                    if searchMemberModel.uid == followStatusModel?.uid {
                        searchMemberModel.followStatus = followStatusModel?.isFollowStatus
                    }
                }
                self?.tableView.reloadData()
            }
        }
        
    }
    
    lazy var tableView: UITableView = {
        let tableView = UITableView(frame: CGRect.zero, style: UITableView.Style.plain)
        tableView.backgroundColor = UIColor.white
        tableView.separatorStyle = .none
        tableView.rowHeight = 81
        tableView.dataSource = self
        tableView.delegate = self

        return tableView
    }()
    
}

extension SearchUserListViewController {
    
    /// 搜索用户
    ///
    /// - Parameter page: 分页
    func userMemberSearchMemberApi(page:Int) {
        SwiftMoyaNetWorkServiceUser.shared().userMemberSearchMemberApi(userName: keyWord,page:page, completion: { [weak self] (searchMemberListModel) -> (Void) in
            
            DIYEmptyView.emptyNoDataActionTableView(tableView: self?.tableView, imageStr: .eight, detailStr: .eight, btnTitleStr: .five, btnClickBlock: {
                Mediator.push(CommunityRouterModuleType.pushFindFriends)
            })
            let searchMemberListModel = searchMemberListModel as? SearchMemberListModel
            
            if searchMemberListModel?.pagination?.currentPage ?? 1  <= searchMemberListModel?.pagination?.totalPages ?? 1 {
                if searchMemberListModel?.pagination?.currentPage == 1{
                    self?.searchMemberModels.removeAll()
                    self?.tableView.resetNoMoreData()
                }
                self?.searchMemberModels = (self?.searchMemberModels)!  + (searchMemberListModel?.data)!
                self?.tableView.reloadData()
                MJRefreshManager.hiddenHeaderWithFooter(tableView: self?.tableView, currentPage: searchMemberListModel?.pagination?.currentPage, totalPages: searchMemberListModel?.pagination?.totalPages)

            }else {
                MJRefreshManager.hiddenFooterNoMoreData(tableView: self?.tableView)
            }
        }) {
            [weak self] (loadingStatus) in
            MJRefreshManager.hiddenHeaderWithFooterNONetWork(tableView: self?.tableView)
        }
    }
    
    /// 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)
        }
    }
}

extension SearchUserListViewController :UITableViewDataSource,UITableViewDelegate  {
    
    
    func numberOfSections(in tableView: UITableView) -> Int {
        return searchMemberModels.isEmpty ? 0 : 1
    }
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return searchMemberModels.isEmpty ? 0 : searchMemberModels.count
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = SearchUserLitTableViewCell.cellWith(tableView: tableView, indexPath: indexPath)
        cell.searchMemberModel = searchMemberModels[indexPath.row]
        cell.followButtonClosure = {
            [weak self] in
            if cell.searchMemberModel?.followStatus == 0 { //加关注
                self?.userFollow(followUid: cell.searchMemberModel?.uid ?? 0, completion: { (isFollow) -> Void in
                    cell.searchMemberModel?.followStatus = isFollow
                    self?.tableView.reloadRows(at: [indexPath], with: UITableView.RowAnimation.none)
                })
            }else { //取消关注
                self?.userCancelFollow(followUid: cell.searchMemberModel?.uid ?? 0, completion: { (isFollow) -> Void in
                    cell.searchMemberModel?.followStatus = isFollow
                    self?.tableView.reloadRows(at: [indexPath], with: UITableView.RowAnimation.none)
                })
            }
        }
        return cell
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        let searchMemberModel = searchMemberModels[indexPath.row]
        NotificationCenter.default.post(name: NSNotification.Name("OtherPersonalCenter"), object: searchMemberModel.uid)

    }
}

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