//
//  IHLoginView.swift
//  Inhealth
//
//  Created by weclouds on 2019/12/10.
//  Copyright © 2019 weclouds. All rights reserved.
//

import UIKit
import PKHUD
import SwiftyJSON

//清楚password
let kNotificationIHLoginViewClearPassword = "kNotificationIHLoginViewClearPassword"
//改变角色
let kNotifactionIHLoginViewChangeRole = "kNotifactionIHLoginViewChangeRole"

@objc protocol IHLoginViewDelegate : NSObjectProtocol{
    @objc optional func signIn(with account:String?,password:String?)
    @objc optional func signUp()
    
    //role ；0表示客人 账户  1 表示管理员账户
    @objc optional func changeAuthority(_ role:Int)
    @objc optional func goPrivacyPolicy()
    
    @objc optional func jumpToClassgatewayCtr(gatewayList list : [Any])
}

class IHLoginView: UIView {
    
    weak var loginDelegate : IHLoginViewDelegate?
    
    var role :String? = "0"{
        didSet{
            //管理员
            if let role = self.role {
                authoritySelected(role)
            }
        }
        
    }
    
    lazy var clientSocket: GCDAsyncUdpSocket? = {
        var mainQueue = DispatchQueue.main
        var clientSocket = GCDAsyncUdpSocket(delegate: self, delegateQueue: mainQueue)
        return clientSocket
    }()
    var modelList = [gatewayInfor]()
    
//提示框
    @IBOutlet weak var tipsLabel: UILabel! // 提示语
    
    @IBOutlet weak var accountTextField: UITextField!
    
    @IBOutlet weak var passwordTextField: UITextField!
    //权限选择按钮
    @IBOutlet weak var authorityBtn: UIButton!
    
    @IBOutlet weak var signInBtn: UIButton!
    //注册按钮
    @IBOutlet weak var signUpBtn: UIButton!
    
    @IBOutlet weak var privacyBtn: UIButton!
    var isSearchGateway : Bool = false
    var isOnce : Bool = false
    func hexStringToInt(from:String) -> Int {
        let str = from.uppercased()
        var sum = 0
        for i in str.utf8 {
            sum = sum * 16 + Int(i) - 48 // 0-9 从48开始
            if i >= 65 {                 // A-Z 从65开始，但有初始值10，所以应该是减去55
                sum -= 7
            }
        }
        return sum
    }
    
    override func awakeFromNib() {
        super.awakeFromNib()
        

//        let str = "12a102050100010169" as NSString
//        let count = str.length / 2
//        var arr = [Int]()
//        for i in 0..<count {
//            let subStr = str.substring(with: NSRange.init(location: i * 2, length: 2))
//            
//            let hex = hexStringToInt(from: subStr)
//            arr.append(hex)
//        }
        


       
//       let str = "12a102050100010169" as NSString
//       let count = str.length / 2
//       var sum = 0x0
//       for i in 0..<count {
//           let subStr = str.substring(with: NSRange.init(location: i * 2, length: 2))
//        sum = sum + hexStringToInt(from: subStr)
//       }
//       //10进制转换成16进制
//        let hexStr = String(sum,radix:16) as NSString
//        let kk = hexStr.substring(with: NSRange.init(location: hexStr.length - 2, length: 2))
//        log.debug("kkdkk:\(kk)")
        
        //从沙盒中取出
        let username = IHHotelStorage.shareInstance.getStorageUsername()
        let password = IHHotelStorage.shareInstance.getStoragePassword()
        let _role = IHHotelStorage.shareInstance.getStorageRole()
        if username != nil  && password != nil{
            accountTextField.text = username
            passwordTextField.text = password
        }

        if role != nil {
            self.role = _role
        }
        //添加通知
        NotificationCenter.default.addObserver(self, selector: #selector(notifyClearPassword), name: NSNotification.Name(kNotificationIHLoginViewClearPassword), object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(notifyChangeRole(notif:)), name:NSNotification.Name(kNotifactionIHLoginViewChangeRole), object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(notifyRegisterSuccess(_:)), name: NSNotification.Name(kNotifactionRegisterSuccess), object: nil)
       
       // 设置UI
        signUpBtn.set(image: UIImage(named: "箭头"), title: "注 册", titlePosition: .left, additionalSpacing: 10, state: .normal)
        
        self.authorityBtn.setTitle("I Am Hotel Guests", for: .selected)
        self.authorityBtn.setTitle("我是管理员", for: .normal)
        let privacyStr = "阅读并同意《用户隐私协议》"

        let text = NSMutableAttributedString(string: privacyStr)
        //#657085
        let attrs = [NSAttributedString.Key.underlineStyle:   NSUnderlineStyle.single.rawValue,NSAttributedString.Key.foregroundColor : UIColor(hexString: "#657085") as Any] as [NSAttributedString.Key : Any]
        //#657085
        let attrs2 = [NSAttributedString.Key.foregroundColor: UIColor(hexString: "#657085")]
        text.addAttributes(attrs, range: NSRange(location: 13, length: text.length - 13))
        text.addAttributes(attrs2 as [NSAttributedString.Key : Any], range: NSRange(location: 0, length: text.length))
        privacyBtn.setAttributedTitle(text, for: .normal)
        
        accountTextField.delegate = self
        passwordTextField.delegate = self
        
//        sendCommandGetGateway()
        //getCommandGetGateway()
    }
    
    func getCommandGetGateway() {
        let udp = IHUdpRequest.init()
        udp.sendCommandGetGateway()
        udp.complete = { gatewayInfors in
            self.modelList = gatewayInfors
        }
    }
    
    func sendCommandGetGateway(){
        do{
            //不连接,直接发命令
//            let connected = clientSocket?.isConnected()
//            if connected == false {
//            }
            try clientSocket?.enableBroadcast(true)
            let wifiIp = getLocalIPAddressForCurrentWiFi()
            //第二次就不用了,直接使用这个
            if isOnce == false{
                try clientSocket?.bind(toPort: 37030)
                 try clientSocket?.joinMulticastGroup("239.255.255.250")
            }
            
            //第一次要绑定interface,后面就不用了
//            try clientSocket?.bind(toPort: 37030, interface: wifiIp)
            try clientSocket?.beginReceiving()
//            try clientSocket?.joinMulticastGroup("239.255.255.250")
            //                try clientSocket?.connect(toHost: "255.255.255.255", onPort: 37030)
            let command = "scanning".data(using: .utf8)
            //let command = "12a10100b4".data(using: .utf8)
            // 0x01 0xb4  0x04 0xb7
            
            //"ip\":\"10.0.0.9\",\n\t\"port\":\"37032\
           //239.255.255.250  37030
            clientSocket?.send(command!, toHost: "239.255.255.250", port: 37030, withTimeout: -1, tag: 0)
            isOnce = true
            
        }catch{
            HUD.flash(.label("绑定失败"), delay: 0.6)
            log.debug("绑定失败\(error)")
        }
    }
    
    
    // 获取当前wifi的IP地址
    func getLocalIPAddressForCurrentWiFi() -> String? {
        var address: String?
        
        // get list of all interfaces on the local machine
        var ifaddr: UnsafeMutablePointer<ifaddrs>? = nil
        guard getifaddrs(&ifaddr) == 0 else {
            return nil
        }
        guard let firstAddr = ifaddr else {
            return nil
        }
        for ifptr in sequence(first: firstAddr, next: { $0.pointee.ifa_next }) {
            
            let interface = ifptr.pointee
            
            // Check for IPV4 or IPV6 interface
            let addrFamily = interface.ifa_addr.pointee.sa_family
            if addrFamily == UInt8(AF_INET) || addrFamily == UInt8(AF_INET6) {
                // Check interface name
                let name = String(cString: interface.ifa_name)
                if name == "en0" {
                    
                    // Convert interface address to a human readable string
                    var addr = interface.ifa_addr.pointee
                    var hostName = [CChar](repeating: 0, count: Int(NI_MAXHOST))
                    getnameinfo(&addr, socklen_t(interface.ifa_addr.pointee.sa_len), &hostName, socklen_t(hostName.count), nil, socklen_t(0), NI_NUMERICHOST)
                    address = String(cString: hostName)
                }
            }
        }

        freeifaddrs(ifaddr)
        return address
    }
    
    deinit {
        NotificationCenter.default.removeObserver(self)
    }
    
    @objc func notifyRegisterSuccess(_ notifaction : Notification){
        let username = notifaction.object as! String
        self.accountTextField.text =  username
        self.passwordTextField.text = ""
    }
    @objc  func notifyClearPassword()  {
       self.passwordTextField.text = ""
    }
    
    @objc func notifyChangeRole(notif:Notification){
       let role = notif.object as? String
        
        if role == "1" {
            self.tipsLabel.text = "Login as an administrator ！"
           // self.signUpBtn.isHidden = true
            self.authorityBtn.isSelected = true
          
        }else{
            self.tipsLabel.text = "The best service for you !"
            //self.signUpBtn.isHidden = false
            self.authorityBtn.isSelected = false
        }
    }

    override func layoutSubviews() {
        super.layoutSubviews()
        //xib的frame需要在layoutsubViews中设置 不然有问题
         frame = CGRect(x: 0, y: 0, width: KSCREENWIDTH, height: KSCREENHEIGHT)
    }
    
    @IBAction func installBtn(_ sender: UIButton) {
        //发送命令
         sendCommandGetGateway()
        HUD.flash(.progress)
        
       
        
        

//       self.loginDelegate?.jumpToClassgatewayCtr?(gatewayList: modelList)
        
//        if isSearchGateway == true && modelList.count > 0{
//            HUD.hide()
//            self.loginDelegate?.jumpToClassgatewayCtr?(gatewayList: modelList)
//        }else{
//            HUD.flash(.label("未发现网关"), delay: 0.5)
//        }
        
    }
    
    @IBAction func signInAction(_ sender: Any) {
        
        if let delegate = loginDelegate {
            delegate.signIn?(with: self.accountTextField.text, password: self.passwordTextField.text)
        }
    }
    //325  850 850 
    @IBAction func privacyPolicyAction(_ sender: Any) {

        if let delegate = loginDelegate {
            delegate.goPrivacyPolicy?()
        }
        
    }
    
    @IBAction func signUpAction(_ sender: Any) {
        if let delegate = loginDelegate {
            delegate.signUp?()
        }
    }
    
    @IBAction func authoritySelected(_ sender: UIButton) {
        sender.isSelected = !sender.isSelected
        if sender.isSelected == true {
            self.tipsLabel.text = "Login as an administrator ！"
           // self.signUpBtn.isHidden = true
          if let delegate = loginDelegate {
              delegate.changeAuthority?(1)
          }
        }else{
            self.tipsLabel.text = "The best service for you !"
           // self.signUpBtn.isHidden = false
            if let delegate = loginDelegate {
                delegate.changeAuthority?(0)
            }
        }
    }
    //这里已废弃
    func authoritySelected(_ role: String) {

        if role == "1" {
            self.tipsLabel.text = "Login as an administrator ！"
           // self.signUpBtn.isHidden = true

        }else{
            self.tipsLabel.text = "The best service for you !"
           // self.signUpBtn.isHidden = false
        }
    }
    @IBAction func privacySelected(_ sender: UIButton) {
        sender.isSelected = !sender.isSelected
        if sender.isSelected == true {
            signInBtn.isEnabled = true
            signInBtn.backgroundColor =  UIColor(hexString: "#573F95")
        }else{
            signInBtn.isEnabled = false
            signInBtn.backgroundColor =  UIColor.lightGray
        }
    }
    
    
    
}

extension IHLoginView:GCDAsyncUdpSocketDelegate{
    
    func udpSocket(_ sock: GCDAsyncUdpSocket, didNotConnect error: Error?) {
        log.debug("didNotConnect")
    }
    
    func udpSocket(_ sock: GCDAsyncUdpSocket, didConnectToAddress address: Data) {
        log.debug("didConnectToAddress:\(String(data: address, encoding: String.Encoding.utf8))")
        
    }
    func udpSocket(_ sock: GCDAsyncUdpSocket, didReceive data: Data, fromAddress address: Data, withFilterContext filterContext: Any?) {
        
        let result = data.string(encoding: .utf8)
//        isSearchGateway = true
        if let result = result{
//            for i in 0..<15 {
//                var model = gatewayInfor()
//                model.SN = "EE20200807000\(i)"
//                model.SW = "1.0.2.30"
//                model.HW = "0003AA01"
//                model.ip = "10.0.0.9"
//                model.port = "37032"
//                modelList.append(model)
//            }
            
            
            if result != "scanning" {
                modelList.removeAll()
                
                log.debug("网关返回的信息:\(result)")
                do {
                    modelList.removeAll()
                    let json = try JSON(data: data)
                    var model = gatewayInfor()
                    //"{\n\t\"SN\":\"EE202008070001\",\n\t\"SW\":\"1.0.2.30\",\n\t\"HW\":\"0003AA01\",\n\t\"ip\":\"10.0.0.9\",\n\t\"port\":\"37032\"\n\t}")
                    model.SN = json["SN"].stringValue
                    model.SW = json["SW"].stringValue
                    model.HW = json["HW"].stringValue
                    model.ip = json["ip"].stringValue
                    model.port = json["port"].string
                    modelList.append(model)
                    
                    
                } catch  {
                    
                }
            }
        }
        
       
        
        HUD.hide()
        if modelList.count > 0 {
            self.loginDelegate?.jumpToClassgatewayCtr?(gatewayList: modelList)
            
        }else{
             HUD.flash(.label("未发现网关"), delay: 0.5)
        }
        log.debug("didReceive:\(result)")
    }

    func udpSocket(_ sock: GCDAsyncUdpSocket, didSendDataWithTag tag: Int) {
        log.debug("didSendDataWithTag")
        
//        DispatchQueue.main.asyncAfter(deadline: .now()+1) {
//
//        }
    }
    func udpSocketDidClose(_ sock: GCDAsyncUdpSocket, withError error: Error?) {
        log.debug("withError")
    }
    func udpSocket(_ sock: GCDAsyncUdpSocket, didNotSendDataWithTag tag: Int, dueToError error: Error?) {
        log.debug("didNotSendDataWithTag")
    }
    
}

extension IHLoginView:UITextFieldDelegate{

//    func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
//       let currentText = accountTextField.text ?? ""
//        let newText = (currentText as NSString).replacingCharacters(in: range, with: string)
//        if  newText == "" {
//           self.passwordTextField.text = ""
//       }
//        return true
//    }
}