ihealth_ios/Inhealth/IHHotelPickerView.swift

//
//  IHHotelPickerView.swift
//  Inhealth
//
//  Created by weclouds on 2020/3/11.
//  Copyright © 2020 weclouds. All rights reserved.
//

import UIKit

let kNotifactionIHHotelPickerViewGetHistory =  "kNotifactionIHHotelPickerViewGetHistory"
extension DropDownData{

}
protocol IHHotelPickerViewDelegate : NSObjectProtocol{
    func selectedHotel(_ indexPath:IndexPath)
    func headerPickHotel()
    func headerPikcerCountry(_ countryId:String)
    func selectedProvince(_ provinceId:String)

     func headerPickerHistroyHotel(_ hotel:DropDownData)
}
class IHHotelPickerView: UIView {
   weak var delegate : IHHotelPickerViewDelegate?
   private lazy var tableView: UITableView = {
        let tableView = UITableView(frame: CGRect.zero, style: .grouped)
        tableView.delegate = self
        tableView.dataSource = self
        tableView.backgroundColor = .white
        return tableView
    }()
    
    var isSearch :Bool? = false{
        didSet{
            //self.tableView.reloadData()
        }
    }
    var searchText:String?{
        didSet{
            self.filterContent(for: self.searchText ?? "")
        }
    }
    var fillterResult:[DropDownData]?{
        didSet{

                let(countryArr, titlesArr) = collation.partitionObjects(array: fillterResult! as [AnyObject], collationStringSelector: #selector(getter: DropDownData.name))
                log.debug("countryArr - \(countryArr), titlesArr = \(titlesArr)")
                sectionTitles = titlesArr
                countriesWithSections = countryArr as! [[DropDownData]]
                self.tableView.reloadData()
        }
    }
    var provicelist:[DropDownData]?{
        didSet{
            if let list = self.provicelist {
                if list.count == 0 {

                    sectionTitles = ["A"]
                    let all = DropDownData()
                    all.id = self.countryId //省份列表为空 着 赋值为国家列表
                    all.name = "All"
                    countriesWithSections = [[all]]
                    self.tableView.reloadData()
                }else{
                    let(countryArr, titlesArr) = collation.partitionObjects(array: provicelist! as [AnyObject], collationStringSelector: #selector(getter: DropDownData.name))
                    log.debug("countryArr - \(countryArr), titlesArr = \(titlesArr)")
                    sectionTitles = titlesArr
                    countriesWithSections = countryArr as! [[DropDownData]]
                    self.tableView.reloadData()
                }
            }

        }
    }

    var countryList:[DropDownData]?{
        didSet{
            headerView?.countries = self.countryList
        }
    }
   private var headerView : IHHotelPickerHeaderView?
    
    
    var hotelName :String?{
        didSet{
            headerView?.currentHotel = self.hotelName
        }
    }
    var countryId:String?
    var countryName:String?{
        didSet{
            headerView?.currentCountry = self.countryName
        }
    }
    let collation = UILocalizedIndexedCollation.current()
    var objects : [String]?
    var countriesWithSections = [[DropDownData]]()
    
    var sectionTitles = [String]()
    var  sections :[[String]]?

    override init(frame: CGRect) {
        super.init(frame:frame)
       // self.backgroundColor = UIColor.cyan
       addSubview(tableView)
        //获取历史城市元素
        let hotels = IHHistroyPlist.share.getAllHistoryHotelData()
        let headerHeight = self.calculateHeaderViewHeight(hotels)
        headerView = IHHotelPickerHeaderView(frame: CGRect(x: 0, y: 0, width: KSCREENWIDTH, height: headerHeight))
        headerView?.delegate = self
        headerView?.historyarr = hotels
        headerView?.backgroundColor = UIColor.white
        tableView.tableHeaderView = headerView
           
        NotificationCenter.default.addObserver(self, selector: #selector(histroyNotify), name: NSNotification.Name(kNotifactionIHHotelPickerViewGetHistory), object: nil)
    }
  
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    deinit {
        NotificationCenter.default.removeObserver(self)
    }
    override func layoutSubviews() {
        super.layoutSubviews()
        tableView.frame = self.bounds
    }
    
    ///过滤
    func filterContent(for searchText:String)  {
        let _provicelist = self.provicelist
        let proviceName = searchText
        var fillterProvinceNS : [DropDownData]
        
        if proviceName == "" || _provicelist == nil || _provicelist?.count == 0  { //没有输入则为传入的内容
            fillterProvinceNS = provicelist!
        }else{
            fillterProvinceNS = (_provicelist?.filter({ (province) -> Bool in
//全部转为小写 在比较
                let name = province.name!.lowercased()
                let search = searchText.lowercased()
                return name.contains(search) == true
               // return province.name!.contains(searchText) == true
            }))!
        }
        fillterResult = fillterProvinceNS
        log.debug(fillterResult)
    }
    @objc func histroyNotify()  {
        
        tableView.tableHeaderView = nil
       // let citys = IHHistroyPlist.share.getAllHistoryData()
        let hotels = IHHistroyPlist.share.getAllHistoryHotelData()
        let headerHeight = self.calculateHeaderViewHeight(hotels)
        headerView?.height = headerHeight
        headerView?.historyarr = hotels
        tableView.tableHeaderView = headerView
       // self.tableView.reloadData()
    }
    //计算高度
    func calculateHeaderViewHeight(_ historyArr:[IHHistoryHotelModel]) -> CGFloat  {
        var positionY : CGFloat = 5 + 19 + 15
             var positionX : CGFloat = 20
             let  lab_h : CGFloat  = 30
             let bgView_width : CGFloat = KSCREENWIDTH - 40

             for i in 0..<historyArr.count {
                 let city = historyArr[i]
                 let str = city.name
                 let str_width =  str!.ga_widthForComment(font: UIFont(name: PingFangSC_Regular, size: 13)!, height: lab_h)
                 let btnWidth = str_width + 20
                  positionX += (btnWidth + 10)
                
                 if positionX   > bgView_width{
                     positionX = 20
                     positionY += 40
//                     lab_h += 30
   //                 log.debug("label的g高度 -- \(lab_h)")
                }
                
                
        }
        var height : CGFloat
        if historyArr.count == 0 {
            
            height = positionY + 132
          
        }else{
           height = positionY + 132 + 20 + 20
        }
        
        return height
    }
}

extension IHHotelPickerView:UITableViewDataSource,UITableViewDelegate{
    func numberOfSections(in tableView: UITableView) -> Int {
        return sectionTitles.count
    }
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return countriesWithSections[section].count
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        var cell = tableView.dequeueReusableCell(withIdentifier: "cell")
        if cell == nil {
            cell = UITableViewCell(style: .default, reuseIdentifier: "cell")
        }
        cell?.textLabel?.font = UIFont(name: PingFangSC_Regular, size: 13)
        cell?.textLabel?.textColor = UIColor(hexString: "#333333")
        let province = countriesWithSections[indexPath.section][indexPath.row]
        cell?.textLabel?.text = province.name
        cell?.selectionStyle = .none
        return cell!
    }
    
    func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
        return 45
    }
    
    func tableView(_ tableView: UITableView, heightForFooterInSection section: Int) -> CGFloat {
        return 0.01
    }
    
    func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
        let view = UIView()
        let label = UILabel(frame: CGRect(x: 20, y: 0, width: 100, height: 50))
        label.font = UIFont(name: Alibaba_PuHuiTi_Medium, size: 16)
        label.textColor = UIColor(hexString: "#333333")
        label.text = sectionTitles[section]
        view.addSubview(label) 
        view.backgroundColor = .white
        return view
    }
    func tableView(_ tableView: UITableView, viewForFooterInSection section: Int) -> UIView? {
        return UIView()
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        //选择了

        
        if let delegate = self.delegate {
            let province = countriesWithSections[indexPath.section][indexPath.row]
            var provinceId = province.id
            let provinceName = province.name
            if province.name == "All" {
                provinceId = Intermediate.countryId
            }
            delegate.selectedProvince(provinceId!)
                 log.debug("省份ID- \(province.id!)")
            Intermediate.provinceId = province.id!
            Intermediate.provinceName = provinceName!
           // delegate.selectedHotel(indexPath)
        }
        
    }

    
}
extension IHHotelPickerView:IHHotelPickerHeaderViewDelegate{
    func pickHistoryHotel(_ hotelId: String, hotelName: String) {
        log.debug("cityid - \(hotelId), cityname- \(hotelName)")
        let hotel = DropDownData()
        hotel.id = hotelId
        hotel.name = hotelName
        if let delegate = self.delegate {
            delegate.headerPickerHistroyHotel(hotel)
        }
    }
    
    func pickViewToSelectCountry(_ countryId: String) {
        log.debug("pickViewToSelectCountry")
        if let delegate = self.delegate {
            delegate.headerPikcerCountry(countryId)
        }
    }
     
    func pickCurrentHotel() {
        log.debug("pickCurrentHotel")
        if let delegate = self.delegate {
            delegate.headerPickHotel()
        }
    }
}