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//
//  CNLiveShopGoodsSearchViewController.swift
//  metaCode
//
//  Created by zx on 2023/12/25.
//

import Foundation
import MJRefresh
import QMUIKit
enum CNSearchType{
   
    /// 搜索普通商品类型
    case defaultGoods
    /// 搜索关联商品类型
    case associateGoods
}

class CNLiveShopGoodsSearchViewController:CNLiveBaseViewController,UITableViewDelegate,UITableViewDataSource,UITextFieldDelegate{
    
    
    
    /// 搜索历史最大缓存数量
    let kCNLiveMaxCacheSearchKeywordKey = 30
    /// 历史记录本地缓存key
    let kDSSaveShopSearchHistroyData = "kDSSaveShopSearchHistroyData"
    /// 搜索关键字
    var keyWord:String?
    var rightNavBtn:UIButton?
    
    lazy var tableView : UITableView = {
        let tableView = UITableView(frame: CGRect(x: 0, y: KNavigationHeight, width: KSreenWidth, height: KSreenHeight-KNavigationHeight), style: .plain)
        tableView.dataSource = self
        tableView.delegate = self
        tableView.backgroundColor = .white
        tableView.contentInset = UIEdgeInsets(top: 0, left: 0, bottom:getSystemTabbarUiOffsetHeight , right: 0)
//        tableView.emptyDataSetSource = self
//        tableView.emptyDataSetDelegate = self
        tableView.separatorStyle = .none
        tableView.tableFooterView = UIView.init()
        tableView.tableHeaderView = self.cn_tableHeaderView()
        tableView.mj_footer = MJRefreshAutoNormalFooter.init(refreshingBlock: {[weak self] in
            self!.loadMoreAction()
        })
        tableView.mj_footer?.isHidden = true
        tableView.register(CNLiveShopGoodsManageListTableViewCell.self, forCellReuseIdentifier: kDSShopGoodsManageListTableViewCellID)
        tableView.register(CNLiveShopAssociatedGoodsTableViewCell.self, forCellReuseIdentifier: kDSShopAssociatedGoodsTableViewCellID)
        return tableView
    }()
    /// 搜索结果数据源
    lazy var dataArr: NSMutableArray = {
        return NSMutableArray()
    }()
    /// 历史记录数据
    lazy var hisDataArr = {
        return NSMutableArray()
    }()
    var searchTextField:UITextField?
    /// 页码
    var page:Int = 0
    var searchType:CNSearchType = .defaultGoods

    /// 选中的关联商品
    var selectAssociatedGoodsModel:ShopOrderAssociatedGoodsModel?

    init(searchType:CNSearchType) {
        super.init(nibName: nil, bundle: nil)
        self.searchType = searchType
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        self.view.backgroundColor = .white
        navigationBarHidden = false
        self.initTopNav()
        self.view.addSubview(self.tableView)
    }

    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        self.searchTextField?.becomeFirstResponder()
        self.popGestureRecognizerEnable = false
    }

    override func viewDidDisappear(_ animated: Bool) {
        super.viewDidDisappear(animated)
        self.popGestureRecognizerEnable = true
    }

    override func viewWillLayoutSubviews() {
        super.viewWillLayoutSubviews()
        self.tableView.frame = CGRect(x: 0, y: KNavigationHeight, width: KSreenWidth, height: self.view.height-KNavigationHeight)
        
    }

    // MARK: - initTopNav
    func initTopNav(){
        let searchBgView = CNLiveRoundedRectView(frame: CGRect(x: 52, y: get_system_statusBar_height()+(get_system_nav_ui_height()-30)/2, width: self.topNavView.width-52*2, height: 30))
        searchBgView.fillColor = HexColor("#F2F2F2")
        searchBgView.radius = searchBgView.height/2
        self.topNavView.addSubview(searchBgView)
        
        let searchImageView = UIImageView(frame: CGRect(x: 15, y: (searchBgView.height-16)/2, width: 16, height: 16))
        searchImageView.clipsToBounds = true
        searchImageView.contentMode = .scaleAspectFit
        searchImageView.image = UIImage(named: "DS_goods_search_icon")
        searchBgView.addSubview(searchImageView)
        
        let searchLine = UIImageView(frame: CGRect(x: searchImageView.right+10, y: (searchBgView.height-11)/2, width: DS_RRV_ONE_PIXEL, height: 11))
        searchLine.backgroundColor = HexColor("#999999")
        searchBgView.addSubview(searchLine)
        
        let searchTextField = UITextField(frame: CGRect(x: searchLine.right+10, y: 0, width: searchBgView.width-(searchLine.right+10+15), height: searchBgView.height))
        searchTextField.attributedPlaceholder = NSAttributedString(string: "请输你要搜索的商品", attributes: [.foregroundColor: HexColor("#D2D2D2")!])
        searchTextField.textColor = HexColor("#333333")
        searchTextField.font = Font_13
        searchTextField.delegate = self
        searchTextField.returnKeyType = .search
        searchTextField.clearButtonMode = .whileEditing
        searchBgView.addSubview(searchTextField)
        self.searchTextField = searchTextField
        searchTextField.addTarget(self, action: #selector(textFieldDidOnClearAndBecomeFirstResponder), for: .editingChanged)
        
        self.rightNavBtn = UIButton(type: .custom)
        self.rightNavBtn?.setTitle("取消", for: .normal)
        self.rightNavBtn?.frame = CGRect(x: 0, y: KStatusBarHeight, width: KNavigationHeight-KStatusBarHeight, height: KNavigationHeight-KStatusBarHeight)
        self.rightNavBtn?.setTitleColor(HexColor("#ff725c"), for: .normal)
        self.rightNavBtn?.addTarget(self, action: #selector(cancelNavBtnAction), for: .touchUpInside)
        self.rightNavBtns = [self.rightNavBtn!]
        
        let leftNavBtn = UIButton(type: .custom)
        leftNavBtn.setImage(UIImage(named: "DS_goods_search_back_icon"), for: .normal)
        leftNavBtn.addTarget(self, action: #selector(rightNavBtnAction), for: .touchUpInside)
        self.leftNavBtns = [leftNavBtn]
    }
    
    // MARK: - UITableView 代理
    func numberOfSections(in tableView: UITableView) -> Int {
        if (self.dataArr.count == 0) {
            return 0
        }
        return 1
    }
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return self.dataArr.count
    }
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        if self.searchType == .associateGoods{
            guard let cell = tableView.dequeueReusableCell(withIdentifier: kDSShopAssociatedGoodsTableViewCellID) as? CNLiveShopAssociatedGoodsTableViewCell
            else {
                let cell = CNLiveShopAssociatedGoodsTableViewCell()
                return cell
            }
            let goodsModel = self.dataArr[indexPath.row] as! ShopOrderAssociatedGoodsModel
            var isSelect = false
            if goodsModel.id == self.selectAssociatedGoodsModel!.id{
                isSelect = true
            }
            cell.setModel(model: goodsModel, isSelect: isSelect, keyword: self.keyWord!)
            return cell
        }else{
            guard let cell = tableView.dequeueReusableCell(withIdentifier: kDSShopGoodsManageListTableViewCellID) as? CNLiveShopGoodsManageListTableViewCell
            else {
                let cell = CNLiveShopGoodsManageListTableViewCell()
                return cell
            }
            cell.editCallBack = { model in
                self.editGoodsModel(goodsModel: model)
            }
            cell.operStateCallBack = { model ,state in
                self.operStateWithGoodsModel(goodsModel: model, state: state)
            }
            cell.editCountCallBack = { model in
                self.editGoodsCountModel(goodsModel: model)
            }
            let model = self.dataArr[indexPath.row] as! ShopOrderAssociatedGoodsModel
            cell.setSearchModel(model: model, keyWork: self.keyWord!)
            return cell
        }
    }
    func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
        let tempView = UIView(frame: CGRect(x: 0, y: 0, width: KSreenWidth, height: 50))
        tempView.backgroundColor = .white
        if section == 1{
            tempView.height = 60
            let topView = UIView(frame: CGRect(x: 0, y: 0, width: KSreenWidth, height: 10))
            topView.backgroundColor = HexColor("#F9F9F9")
            tempView.addSubview(topView)
        }
        
        let nameLabel = UILabel(frame: CGRect(x: 10, y: 12 + (section == 1 ? 10 : 0), width: KSreenWidth - 90, height: 26))
        nameLabel.textColor = HexColor("#333333")
        nameLabel.font = UIFont.boldSystemFont(ofSize: 16)
        nameLabel.lineBreakMode = .byTruncatingTail
        nameLabel.numberOfLines = 1
        nameLabel.text = String(format: "%@-商品", self.keyWord!)
        tempView.addSubview(nameLabel)
          
        let lineLabel = UILabel(frame: CGRect(x: 10, y: 49 + (section == 1 ? 10 : 0), width: KSreenWidth - 20, height: DS_RRV_ONE_PIXEL))
        lineLabel.backgroundColor = HexColor("#F2F2F2")
        tempView.addSubview(lineLabel)
        
        return tempView
    }

    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        switch self.searchType {
        case .defaultGoods:
            return 167//100
        case .associateGoods:
            return 167
        }
    }
    func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
        return 50
    }
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        let goodsModel = self.dataArr[indexPath.row] as! ShopOrderAssociatedGoodsModel
        switch self.searchType {
        case .defaultGoods:
            let vc = CNLiveShopGoodsDetailsViewController()
            vc.goodsId = goodsModel.id
//            navigationViewController().pushViewController(vc, animated: pushAnimated)
            break
        case .associateGoods:
            self.selectAssociatedGoodsModel = goodsModel
            self.rightNavBtn?.setTitle("确认", for: .normal)
            self.tableView.reloadData()
        }
    }
    // MARK: - UIScrollViewDelegate
    func scrollViewWillBeginDragging(_ scrollView: UIScrollView) {
        self.view.endEditing(true)
    }

    // MARK: - UITextFieldDelegate
    func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
        if textField.tag == 666{
            let isAllow = (string as NSString).allowWriteString(string: "0123456789")
            return !isAllow
        }
        return true
    }
    func textFieldDidEndEditing(_ textField: UITextField) {
        if textField.text?.count ?? 0 > 20{
            textField.text = (textField.text! as NSString).substring(to: 20)
        }
    }

    func textFieldShouldReturn(_ textField: UITextField) -> Bool {
        self.cn_skipGoodsListWithSearchKeyword(searchKeyword: textField.text ?? "")
        return true
    }

    @objc func textFieldShouldClear(_ textField: UITextField) -> Bool {
        self.textFieldDidOnClearAndBecomeFirstResponder(textField: textField)
        return true
    }
    @objc func textFieldDidOnClearAndBecomeFirstResponder(textField:UITextField){
        if textField.text?.count == 0{
            self.rightNavBtn?.setTitle("取消", for: .normal)
            self.dataArr.removeAllObjects()
            self.tableView.mj_footer?.isHidden = true
            self.searchTextField?.text = ""
            self.tableView.tableHeaderView = self.cn_tableHeaderView()
            self.tableView.reloadData()
            self.searchTextField?.becomeFirstResponder()
        }
        if textField.text?.count ?? 0 > 20{
            showMessage(message: "最长20个字！超出部分会在输入完成时自动删除")
        }
    }
    // MARK: - response method
    /// 点击历史记录
    /// @param button
    @objc func hisBtnClick(_ button:UIButton){
        self.searchTextField?.text = button.titleLabel?.text
        self.cn_skipGoodsListWithSearchKeyword(searchKeyword: button.titleLabel?.text ?? "")
    }

    /// 删除历史记录
    @objc func deleteAllData(){
        CNLiveFileManager.shared.deleteKey(resetKey: kDSSaveShopSearchHistroyData)
        self.tableView.tableHeaderView = self.cn_tableHeaderView()
        self.tableView.reloadData()
        
    }

    /// 返回事件
    /// @param button 戳发按钮
    @objc func rightNavBtnAction(_ button:UIButton){
        navigationViewController().popViewController(animated: false)
    }

    /// 取消或确认选中的搜索商品 事件
    /// @param button 戳发按钮
    @objc func cancelNavBtnAction(_ button:UIButton){
        if self.searchType == .associateGoods && self.selectAssociatedGoodsModel != nil{
            // 搜索确认处理
            NotificationCenter.default.post(name: Notification.Name.ShopGoodsManage.kDSSelectGoodsNotification, object: self.selectAssociatedGoodsModel)
            let vcArray = self.navigationController?.viewControllers
            for vc in vcArray!{
//                if vc.isKind(of: CNDSDarenReleaseDynamicViewController.self){
//                    navigationViewController().popToViewController(vc, animated: true)
//                    return
//                }
            }
        }else{
            self.navigationController?.popViewController(animated: true)
        }
    }
    
    func loadMoreAction(){
        self.page += 1
        self.requestSearchWordDataWithKeyword(keyword: self.keyWord!, page: self.page)
    }
    /// 编辑商品
    /// @param goodsModel 商品数据
    func editGoodsModel(goodsModel:ShopOrderAssociatedGoodsModel){
        let vc = CNLiveShopNewProductController()
        vc.type = .edit
        vc.goodsId = goodsModel.id!
        navigationViewController().pushViewController(vc, animated: true)
    }

    /// 编辑商品库存
    /// @param goodsModel 商品数据
    func editGoodsCountModel(goodsModel:ShopOrderAssociatedGoodsModel){
        let alert = UIAlertController(title: "编辑商品库存", message: "请输入库存数量", preferredStyle: .alert)
        alert.addTextField { textField in
            textField.delegate = self
            textField.keyboardType = .numberPad
            textField.returnKeyType = .done
            textField.tag = 666
        }
        alert.addAction(UIAlertAction(title: "取消", style: .cancel, handler: nil))
          
        alert.addAction(UIAlertAction(title: "修改", style: .default, handler: { action in
            self.view.endEditing(true)
            let textField = alert.textFields?.first
            if textField?.text?.count == 0 || textField?.text?.count ?? 0 >= 6{
                showMessage(message: "请输入有效的商品库存数量")
                return
            }
            self.requsetEditGoodsCount(count: textField?.text ?? "", goodsModel: goodsModel)
        }))
        present(alert, animated: true, completion: nil)
    }

    /// 编辑商品上下架状态
    /// @param goodsModel 商品数据
    /// @param state 1：上架 2：下架
    func operStateWithGoodsModel(goodsModel:ShopOrderAssociatedGoodsModel,state:Int){
        var message = ""
        if (state == 2) {
            message = "确认下架？"
        }else {
            message = "确认上架？"
        }
        ConfigAlertManager.shared.presentAlert(title: "", message: message, actionTitles: ["取消","确认"]) { index in
            if index == 1 {
                showLoading(message: "")
                CNLiveShopGoodListViewModel.postChangeGoodsStateWithGoodsId(goodsId: goodsModel.id!, state: "") { result, status in
                    if status == .success{
                        for (_,obj) in self.dataArr.enumerated(){
                            let model = obj as! ShopOrderAssociatedGoodsModel
                            if model.id == goodsModel.id{
                                if (model.state == "2") {
                                    model.state = "1"
                                }else {
                                    model.state = "2"
                                }
                                self.tableView.reloadData()
                            }
                        }
                    }else{
                        showMessage(message: "失败")
                        return
                    }
                }
            }
        }
    }
    // MARK: - 网络请求
    /// 搜索接口
    /// @param keyword 关键字
    func requestSearchWordDataWithKeyword(keyword:String,page:Int){
        showLoading(message: "")
        CNLiveShopGoodListViewModel.getGetGoodsListWithShopId(shopId: DSUserInfoManager.shared.dsUserInfo.id, sortType: "1", state: 0, categoryId: nil, keyword: keyword, page: page) { result, status in
            hiddenLoading()
            if status == .success{
                let dataArr = result as! [ShopOrderAssociatedGoodsModel]
                if (self.page == 1 && dataArr.count == 0) {
                    showMessage(message: "未搜索到相关结果")
                    self.dataArr.removeAllObjects()
                    self.tableView.tableHeaderView = self.cn_tableHeaderView()
                    self.tableView.reloadData()
                    self.rightNavBtn?.setTitle("取消", for: .normal)
                    self.searchTextField?.becomeFirstResponder()
                }else{
                    if (page == 1) {
                        self.dataArr.removeAllObjects()
                        self.tableView.mj_footer?.isHidden = false
                    }
                    
                    /**没有更多数据判断依据为：每页数据默认为20条，如果当前获取的这页数据小于20条，说明没有下页数据*/
                    if (dataArr.count < 20) {
                        self.tableView.mj_footer?.isHidden = true
                    }
                    self.dataArr.addObjects(from: dataArr)
                    self.tableView.tableHeaderView = UIView()
                    self.tableView.reloadData()
                }
            }else{
                showMessage(message: "搜索失败")
            }
        }
    }
    /// 设置库存数
    /// @param count 库存数
    /// @param goodsModel 商品数据
    func requsetEditGoodsCount(count:String,goodsModel:ShopOrderAssociatedGoodsModel){
        showLoading(message: "")
        CNLiveShopGoodListViewModel.postGoodsEditAttrWithShopId(shopId: DSUserInfoManager.shared.dsUserInfo.id!, goodsId: goodsModel.id!, type: 1, value: count) { result, status in
            if status == .success{
                goodsModel.count = count
                self.tableView.reloadData()
            }else{
                showMessage(message: "操作失败")
            }
        }
    }
    
    func cn_tableHeaderView() -> UIView{
        let headerView = UIView(frame: CGRect(x: 0, y: 0, width: KSreenWidth, height: 0))
        let whiteView = UIView(frame: CGRect(x: 0, y: 0, width: KSreenWidth, height: 0))
        whiteView.backgroundColor = .white
        headerView.addSubview(whiteView)
        
        let markLab = UILabel(frame: CGRect(x: 25, y: 10, width: KSreenWidth-50, height: 30))
        markLab.textColor = HexColor("#898989")
        markLab.text = "历史搜索"
        markLab.font = Font_15
        whiteView.addSubview(markLab)
        
        self.hisDataArr.removeAllObjects()
        if (CNLiveFileManager.shared.takeDataKey(key: kDSSaveShopSearchHistroyData)) != nil {
            let arr = CNLiveFileManager.shared.takeDataKey(key: kDSSaveShopSearchHistroyData)!
            self.hisDataArr.addObjects(from: arr)
        }
        if self.hisDataArr.count == 0{
            whiteView.height = markLab.bottom
            headerView.height = whiteView.bottom + 5
            return whiteView
        }

        let floatLayoutView = QMUIFloatLayoutView()
        floatLayoutView.padding = UIEdgeInsets(top: 12, left: 12, bottom: 12, right: 12)
        floatLayoutView.itemMargins = UIEdgeInsets(top: 0, left: 0, bottom: 10, right: 10)
        floatLayoutView.minimumItemSize = CGSizeMake(40, 29)// 以2个字的按钮作为最小宽度
        whiteView.addSubview(floatLayoutView)
        
        for i in 0..<self.hisDataArr.count{
            let button = UIButton(type: .custom)
            button.backgroundColor = HexColor("#F9F9F9")
            button.setTitleColor(HexColor("#666666"), for: .normal)
            button.layer.cornerRadius = 5
            button.titleLabel?.lineBreakMode = .byTruncatingTail
            button.setTitle(self.hisDataArr[i] as? String, for: .normal)
            button.titleLabel?.font = Font_13
            button.contentEdgeInsets = UIEdgeInsets(top: 6, left: 10, bottom: 6, right: 10)
            button.addTarget(self, action: #selector(hisBtnClick), for: .touchUpInside)
            floatLayoutView.addSubview(button)
        }
        let padding = UIEdgeInsets(top: markLab.bottom, left: 10, bottom: 100, right: 10)
        let contentWidth = whiteView.width - UIEdgeInsetsGetHorizontalValue(padding)
        let floatLayoutViewSize = floatLayoutView.sizeThatFits(CGSize(width: contentWidth, height: CGFLOAT_MAX))
        floatLayoutView.frame = CGRect(x: padding.left, y: padding.top, width: contentWidth, height: floatLayoutViewSize.height)
        
        let lineView = UIView(frame: CGRect(x: 10, y: floatLayoutView.bottom, width: KSreenWidth-20, height: DS_RRV_ONE_PIXEL))
        lineView.backgroundColor = HexColor("#F2F2F2")
        whiteView.addSubview(lineView)
        
        let deleteAllBtn = UIButton(type: .custom)
        deleteAllBtn.frame = CGRect(x: 10, y: lineView.bottom+10, width: KSreenWidth-20, height: 30)
        deleteAllBtn.addTarget(self, action: #selector(deleteAllData), for: .touchUpInside)
        deleteAllBtn.titleLabel?.font = Font_15
        deleteAllBtn.setTitleColor(HexColor("#f5a623"), for: .normal)
        deleteAllBtn.setTitle("清除搜索历史", for: .normal)
        whiteView.addSubview(deleteAllBtn)
        whiteView.height = deleteAllBtn.bottom+10
        headerView.height = whiteView.bottom+5
        return headerView
    }
    func cn_skipGoodsListWithSearchKeyword(searchKeyword:String){
        var searchKeywordStr = searchKeyword
        let text = searchKeywordStr.replacingOccurrences(of: "\u{FFFC}", with: "")
        //去除掉首尾的空白字符和换行字符
        searchKeywordStr = searchKeywordStr.trimmingCharacters(in: .whitespacesAndNewlines)
        if (searchKeywordStr.isEmpty) {
            showMessage(message: "搜索关键字不能为空")
            return
        }
        self.view.endEditing(true)
        if self.hisDataArr.contains(searchKeywordStr){
            self.hisDataArr.remove(searchKeywordStr)
        }
        self.hisDataArr.insert(searchKeyword, at: 0)
        if self.hisDataArr.count > kCNLiveMaxCacheSearchKeywordKey{
            self.hisDataArr.removeObjects(in: NSMakeRange(kCNLiveMaxCacheSearchKeywordKey - 1, self.hisDataArr.count - (kCNLiveMaxCacheSearchKeywordKey - 1) - 1))
        }
        CNLiveFileManager.shared.saveData(object: Array(self.hisDataArr), key: kDSSaveShopSearchHistroyData)
        self.page = 1
        self.keyWord = searchKeywordStr
        self.requestSearchWordDataWithKeyword(keyword: self.keyWord!, page: self.page)
        
    }
}