ihealth_ios/Inhealth/IHCountryPicker.swift

//
//  IHCountryPicker.swift
//  Inhealth
//
//  Created by weclouds on 2020/3/13.
//  Copyright © 2020 weclouds. All rights reserved.
//

import UIKit
import IBAnimatable
import PKHUD

class IHCountryPicker: AnimatableModalViewController {
    
    var isClickBuild:Bool = false //判断是否已经选择了楼房 这个很关键
    var buildArr:[(hotelName: String,
                     hotelId:String,
                   buildList:[DropDownData],
        isExpand:Bool)]? = [(String,String,[DropDownData],Bool)]()

    var cityList: [DropDownData]?{
        didSet{
            
            if let list = self.cityList {
                if list.count > 0 {
                    self.tableView.reloadSections([0], with: .automatic)
                    self.buildArr?.removeAll() //重新请求
                    //获取第一个城市
                    let firstCity = list.first
                    getHotelList(firstCity?.id, city: firstCity)
                    Intermediate.cityId = firstCity!.id!
                    Intermediate.cityName = firstCity!.name!
                }
            }
     
        }
    }
    var historyCity:DropDownData?//保存搜索过的城市
    var historyHotel:DropDownData? //保存搜索过的酒店
    var completion:(()->Void)?
    
    
    //用来存储这五个值
    var selectedBuid:DropDownData?
    var selectedHotel:(hotelName: String,
                 hotelId:String,
               buildList:[DropDownData],
    isExpand:Bool)?
    
    var cityId:String?{
        didSet{ //如果没有则用provinceId  province也没有就用countryId
            if let cityId = self.cityId {
                getHotelList(cityId, city: nil)
            }
        }
    }
    @IBOutlet weak var contentView: UIView!
    lazy var tableView: UITableView = {
        let tableView = UITableView(frame: CGRect.zero, style: .plain)
        tableView.delegate = self
        tableView.dataSource = self
        tableView.backgroundColor = .white
        tableView.separatorStyle = .none
        tableView.register(UINib(nibName: "IHTPickerAreaCell", bundle: nil), forCellReuseIdentifier: "areaCell")
        tableView.register(UINib(nibName: "IHPickFloorCell", bundle: nil), forCellReuseIdentifier: "floorCell")
        return tableView
    }()
    override func viewDidLoad() {
        super.viewDidLoad()
        //buildArr?.removeAll()
        self.contentView.addSubview(tableView)
    }

    @IBAction func close(_ sender: Any) {
        self.dismiss(animated: true, completion: nil)
    }
    
    @IBAction func save(_ sender: Any) {
        
        if  self.selectedBuid == nil || isClickBuild == false   {
            //Please selected building
            g_showHUD("请选择区域")
            return
        }
        if self.selectedHotel == nil   {
            //Please selecte hotel
            g_showHUD("请选择酒店/学校")
            return
        }
        

        log.debug("-- 选择了 - \(self.selectedBuid?.id) -buildname-- \(self.selectedBuid?.name)")  
     
       // let hotel = IHHistoryHotelModel(id: selectedHotel!.hotelId, name: selectedHotel!.hotelName)
        let hotel = IHHistoryHotelModel(id: selectedHotel!.hotelId, name: selectedHotel!.hotelName, countryId: Intermediate.countryId, countryName: Intermediate.countryName, provinceId: Intermediate.provinceId, provinceName: Intermediate.provinceName, cityId: Intermediate.cityId, cityName: Intermediate.cityName, buildId: Intermediate.buildId, buildName: Intermediate.buildName)
        IHHistroyPlist.share.addHotel(hotel)

        Intermediate.hotelId = selectedHotel!.hotelId
        Intermediate.hotelName = selectedHotel!.hotelName
        Intermediate.buildId = selectedBuid!.id!
        Intermediate.buildName = selectedBuid!.name!
        let info = StorageInfo(countryId: Intermediate.countryId, countryName: Intermediate.countryName, provinceId: Intermediate.provinceId, provinceName: Intermediate.provinceName, cityId: Intermediate.cityId, cityName: Intermediate.cityName, hotelId: Intermediate.hotelId, hotelName: Intermediate.hotelName, buildId: Intermediate.buildId, buildName: Intermediate.buildName)
        IHHotelStorage.shareInstance.storageHotelInfo(info)
        NotificationCenter.default.post(name: NSNotification.Name(kNotificationIHAddressControllerReloadAddress), object: nil)
        NotificationCenter.default.post(name: NSNotification.Name(kNotifactionIHTabBarControllerUpdateBadgeNumber), object: Intermediate.hotelId)
        self.dismiss(animated: true, completion: nil)
        if let block = self.completion {
            NotificationCenter.default.post(name: NSNotification.Name(kNotifactionIHHotelPickerViewGetHistory), object: nil)
            block()
            isClickBuild = false
        }
        
    }
    
    override func viewDidLayoutSubviews() {
        super.viewDidLayoutSubviews()
        tableView.frame = self.contentView.bounds
        
    }
}
extension IHCountryPicker:UITableViewDelegate,UITableViewDataSource{

    
    
    func numberOfSections(in tableView: UITableView) -> Int {
        return 2
    }
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        if section == 0 {
           return 1
        }else{
            return self.buildArr?.count ?? 0
        }
       
    }
    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        if indexPath.section == 0 {
            return culAreaCellHeight(cityList?.count ?? 0)
        }else{
            let build = self.buildArr![indexPath.row]
            if  build.isExpand == true{
                return culAreaCellHeight(build.buildList.count) 
            }

            return 40
        }
        
    }
    
    func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
        if section == 0 {
            return 0
        }else{
            return 40
        }
    }
    func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
        if section == 1 {
           let header = UIView()
            header.backgroundColor = .white
            let label = UILabel(frame: CGRect(x: 20, y: 0, width: KSCREENWIDTH - 40, height: 40))
            label.font = UIFont(name: Alibaba_PuHuiTi_Medium, size: 14)
            label.textColor = UIColor(hexString: "#333333")
            label.text = "列表"
            header.addSubview(label)
            return header
        }else{
            return UIView()
        }
    }

    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        if indexPath.section == 0 {
           let cell = tableView.dequeueReusableCell(withIdentifier: "areaCell") as! IHTPickerAreaCell
            cell.selectionStyle = .none
           cell.cityList = self.cityList
            cell.cityCallback = { [unowned self] (city) in
                self.buildArr?.removeAll()
                self.getHotelList(city.id,city: city)
            }
           return cell
        }else{
            let build = self.buildArr![indexPath.row]
            if build.isExpand == false {
                var cell = tableView.dequeueReusableCell(withIdentifier: "cell")
                if cell == nil {
                    cell = UITableViewCell(style: .default, reuseIdentifier: "cell")
                }
                cell?.selectionStyle = .none
                cell?.textLabel?.text = build.hotelName
                cell?.textLabel?.font = UIFont(name: PingFangSC_Regular, size: 13)
                cell?.textLabel?.textColor = UIColor(hexString: "#333333")
                return cell!
            }else{
                let cell = tableView.dequeueReusableCell(withIdentifier: "floorCell") as! IHPickFloorCell
                cell.selectionStyle = .none
                let build = self.buildArr?[indexPath.row]
                cell.buildList = build?.buildList
                
                cell.completion = {[unowned self] (build) in
                   // log.debug("self.buildArr - \(self.buildArr)")
                    if self.buildArr?.count == 0 {
                        g_showHUD("重试") //出现数组为空的情况 表示没请求完
                    }else{
                        self.selectedBuid = build
                         self.selectedHotel = self.buildArr![indexPath.row - 1]//前一组
                    }
 
                }
                return cell
            }
        }
    }
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        
        if indexPath.section == 1 {

            let build = self.buildArr![indexPath.row]
            //只有关闭的才可以点击
            if build.isExpand == false { //点击展开
                log.debug("点击展开")
                self.isClickBuild = true
                self.selectedHotel = build
                if build.buildList.count > 1  {
                     self.selectedBuid = build.buildList[1]
                }else{
                     self.selectedBuid = build.buildList.first
                }
               
                var newBuild = build
                //这里要注意是不是最后一组，最后一组 注意越界问题
                //判断下一行是否是可以展开的，如果是可以站看的，就可以添加，否则 删除
                if indexPath.row < self.buildArr!.count - 1  {//判断是不是最后一组
                    let nextBuild = self.buildArr![indexPath.row + 1]
                    if  nextBuild.isExpand == false{
                        newBuild.isExpand = true
                        self.buildArr?.insert(newBuild, at: indexPath.row + 1)//插入下一行
                        removeOtherExpand(indexPath.row + 1)
                        
                        self.tableView.reloadSections([1], with: .fade)
                    }else{
                        self.buildArr?.remove(at: indexPath.row + 1)
                        self.tableView.reloadSections([1], with: .fade)
                    }
                }else{
                    let nextbuild = self.buildArr![indexPath.row]//处理最后一组
                    if nextbuild.isExpand == false {
                        newBuild.isExpand = true
                        self.buildArr?.insert(newBuild, at: indexPath.row + 1)//插入下一行
                        removeOtherExpand(indexPath.row + 1)
                        self.tableView.reloadSections([1], with: .fade)
                    }
                }
            }
 
   
        }
    }
    
}
extension IHCountryPicker{
    //删除其他展开数组
    func removeOtherExpand(_ index:Int)  {
        var expandArr :[Int] = [Int]()//搜集展开的数组
        ///获取么展开情况
        for i in 0..<(self.buildArr?.count)! {
                let build = self.buildArr![i]
            if build.isExpand == true{
                expandArr.append(i)//添加数组里边
            }
        }
        //删除其他内容
        if expandArr.count > 1 {
            for j in expandArr {
                 if j != index {
                    self.buildArr?.remove(at: j)
                 }
             }
        }
    }
    //计算区域的行高
    func culAreaCellHeight(_ cityCount: Int) ->CGFloat  {
        if cityCount == 0 {
            return 0
        }else{
           //计算行数
            var row : Int = cityCount / 4
            if row > 5 { //大于5行 只取5行
                row = 5
            }
            let contentViewHight = 30 * (row + 1) + 10 + 10 + 10 * row
            return CGFloat(contentViewHight)
        }
    }
    
    //计算楼层的行高
    func culFloorCellHeight(_ cityCount: Int) ->CGFloat  {
        if cityCount == 0 {
            return 0
        }else{
               //计算行数
            let row : Int = cityCount / 4
            let contentViewHight = 30 * (row + 1) + 10 + 10 + 10 * row
            return CGFloat(contentViewHight)
        }
    }
    //获取酒店
    //id  酒店id或者省份id
    //city 有city则保存起来起来
    func getHotelList(_ id:String?,city:DropDownData?)  {
       // self.historyCity = city
       HUD.show(.progress)
        HUD.hide(afterDelay: 5)
        
        IHAddressService.share.getHotelWithBuildlist(id, requestSuccess: { (hotelList) in
            HUD.hide()
            self.buildArr?.removeAll()
            if hotelList.count > 0{

                    for hotel in hotelList{
                        if let buildList = hotel.buildList {
//                              let allBuild = DropDownData()
//                              allBuild.id = ""
//                              allBuild.name = "All"
                             var newlist = [DropDownData]()
                             //newlist.append(allBuild)
                            if buildList.count > 0{
                                for build in buildList {
                                    newlist.append(build)
                                }
                            }
                            self.buildArr?.append((hotel.name!,hotel.id!,newlist,false))
                            self.tableView.reloadSections([1], with: .automatic)
                          //  log.debug("检查楼房数组 -- \(self.buildArr)")
                        }
                }
            }
        }) {
            
        }
        
        
//        IHAddressService.share.getHotelList(id, requestSuccess: { (hotelList) in
//            self.buildArr?.removeAll()
//            if hotelList.count > 0{
//                let queue = DispatchQueue(label: "com.welcome.Inhealth.IhCountryPiker")
//                    for hotel in hotelList{
//                        queue.async {
//                            self.getBuildList(hotel.id!) { (buildlist) in
//                                HUD.hide()
//                                self.buildArr?.append((hotel.name!,hotel.id!,buildlist,false))
//                                self.tableView.reloadSections([1], with: .automatic)
//                            }
//                        }
//                }
//            }
//
//        }) { }
    }
    
    //获取楼房
    func getBuildList(_ hotelId :String,completion: @escaping (([DropDownData])->Void))   {
        
        IHAreaService.share.getBuildNavData(hotelId: hotelId, requestSuccess: { (buildList) in
              let allBuild = DropDownData()
              allBuild.id = ""
              allBuild.name = "All"
             var newlist = [DropDownData]()
             newlist.append(allBuild)
            if buildList.count == 0{

                completion(newlist)
            }else{
                for build in buildList {
                    newlist.append(build)
                }
                completion(newlist)
            }
 
        }) {
            
        }
    }

    
}