using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Diagnostics;
using System.Diagnostics.Eventing.Reader;
using System.IO;
using System.IO.Ports;
using System.Linq;
using System.Net;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;
using System.Xml;
using K4os.Compression.LZ4.Streams.Abstractions;
using Mesnac.Log;
using Org.BouncyCastle.Utilities.Encoders;
using TouchSocket.Core;
using TouchSocket.Sockets;

namespace SocketExample
{
    /// <summary>
    /// MultiClientsWindow.xaml 的交互逻辑
    /// </summary>
    public partial class TCPWindowV2 : Window
    {

        public class PanelItem : INotifyPropertyChanged //实现组件更改的接口
        {
            IPAddress ip;
            int port;
            TcpClient client;
            public string option;//命令选项
            private ObservableCollection<TagItem> _tagItems;
            public ObservableCollection<TagItem> TagItems { get => _tagItems; set { _tagItems = value; OnPropertyChanged(); } }
            public string Text { get; set; }//客户端编号
            public string IPtext { get; set; }//IP文本框
            public string Porttext { get; set; }//端口文本框
            public string MessageText { get; set; }//发送框
            private string _statecolour { get; set; }//状态指示灯
            public string StateColour { get => _statecolour; set { _statecolour = value; OnPropertyChanged(); } }

            private string _linkstate;//链接状态文本
            public string LinkState { get => _linkstate; set { _linkstate = value; OnPropertyChanged(); } }

            private string _infotext;//信息框
            public string Infotext { get => _infotext; set
                {
                    _infotext = value;
                    OnPropertyChanged(); // 通知 UI 更新
                }
            }
            private string _rssiinfo;//RSSI强度
            public string RSSIinfo { get => _rssiinfo; set { _rssiinfo = value; OnPropertyChanged(); } }
            private string _countinfo;//count数值
            public string Countinfo { get => _countinfo; set { _countinfo = value; OnPropertyChanged(); } }
            private string _timeinfo;//当前时间
            public string Timeinfo { get => _timeinfo; set { _timeinfo = value; OnPropertyChanged(); } }
            private string _epcinfo;//EPC信息
            private string _epcasc;//ASC2码 EPC信息
            public string EPCinfo { get => _epcinfo; set { _epcinfo = value; OnPropertyChanged(); } }
            public string EPCASC { get => _epcasc; set { _epcasc = value; OnPropertyChanged(); } }
            private string _readpowerstate;
            public string ReadPowerState { get => _readpowerstate; set { _readpowerstate = value; OnPropertyChanged(); } }
            private string _writepowerstate;
            public string WritePowerState { get => _writepowerstate; set { _writepowerstate = value; OnPropertyChanged(); } }
            private string _gpo1;
            private string _gpo2;
            private string _gpo3;
            private string _gpo4;//GPO1-4状态

            private string _gpi1;
            private string _gpi2;
            private string _gpi3;
            private string _gpi4;//GPIO1-4状态
            public string GPO1 { get => _gpo1; set { _gpo1 = value; OnPropertyChanged(); } }
            public string GPO2 { get => _gpo2; set { _gpo2 = value; OnPropertyChanged(); } }
            public string GPO3 { get => _gpo3; set { _gpo3 = value; OnPropertyChanged(); } }
            public string GPO4 { get => _gpo4; set { _gpo4 = value; OnPropertyChanged(); } }

            public string GPI1 { get => _gpi1; set { _gpi1 = value; OnPropertyChanged(); } }
            public string GPI2 { get => _gpi2; set { _gpi2 = value; OnPropertyChanged(); } }
            public string GPI3 { get => _gpi3; set { _gpi3 = value; OnPropertyChanged(); } }
            public string GPI4 { get => _gpi4; set { _gpi4 = value; OnPropertyChanged(); } }

            private string _moduleinfo;
            private string _motherboardhardware;
            private string _motherboardfirmware;//设备信息
            public string moduleInfo { get => _moduleinfo; set { _moduleinfo = value; OnPropertyChanged(); } }
            public string motherboardHardware { get => _motherboardhardware; set { _motherboardhardware = value; OnPropertyChanged(); } }
            public string motherboardFirmware { get => _motherboardfirmware; set { _motherboardfirmware = value; OnPropertyChanged(); } }

            public string path;
            public StreamWriter streamWriter;


            public LinkCommand linkcomn;//链接命令

            public LinkCommand readcomn;//读取命令

            public LinkCommand sendcomn;//发送命令

            public LinkCommand disconnectcomn;//断连命令

            public LinkCommand clearcomn;//清空命令

            public PanelItem(int index)
            {
                Text = $"客户端{index + 1}";
                linkcomn = new LinkCommand(Button_Link);//绑定按钮的链接事件
                readcomn = new LinkCommand(Button_Read);
                sendcomn = new LinkCommand(Button_Click_Send);//绑定发送按钮的事件
                disconnectcomn = new LinkCommand(Button_disconnect);//绑定断连按钮的事件
                clearcomn = new LinkCommand(Button_clear);//绑定清空按钮的事件
                try
                {

                    path = Text + ".txt";
                    File.CreateText(path);
                    
                }
                catch (Exception ex)
                {
                    Infotext += ex;
                }

                //页面初始化
                MessageText = string.Empty;
                IPtext = "192.168.0.7";//默认IP
                Porttext = "20108";//默认端口
                StateColour = "Red";
                LinkState = "未连接";
                RSSIinfo = "##";
                Countinfo = "00";
                EPCASC = "###";
                EPCinfo = "###";
                GPO1 = "低";
                GPO2 = "低";
                GPO3 = "低";
                GPO4 = "低";
                GPI1 = "低";
                GPI2 = "低";
                GPI3 = "低";
                GPI4 = "低";
            }

            public LinkCommand _linkcomn { get { return linkcomn; } }

            public LinkCommand _readcomn { get { return readcomn; } }

            public LinkCommand _sendcomn { get { return sendcomn; } }

            public LinkCommand _disconnectcomn { get { return disconnectcomn; } }

            public LinkCommand _clearcomn { get { return clearcomn; } }
            private Task onSend(ITcpClient client, ReceivedDataEventArgs e)
            {

                return EasyTask.CompletedTask;
            }

            
            private Task onRecieved(ITcpClient client, ReceivedDataEventArgs e) //接收事件
            {
                string time = DateTime.Now.ToString();
                string currentTime = time.Substring(10, time.Length-10);
                var mes = e.ByteBlock.Span.ToString(Encoding.UTF8);
                byte[] data = e.ByteBlock.Span.ToArray();
                string hexString = BitConverter.ToString(data).Replace("-", " ");

                Infotext += $"({currentTime})客户端接收到信息：\n{hexString}\n\n";

                //读取状态
                string readStateString = hexString.Replace(" ", "");//去掉字符串中空格
                string dataLength = readStateString.Substring(4, 2);//获取字符串中内容长度
                string commandState = readStateString.Substring(6, 2);//获取命令

                int i = Convert.ToInt32(dataLength, 16);
                if (i != 0)
                {
                    switch (commandState)
                    {
                        case "02":
                            try
                            {
                                RSSIinfo = Convert.ToInt32(readStateString.Substring(14, 2), 16).ToString();//RSSI
                                Countinfo = Convert.ToInt32(readStateString.Substring(12, 2), 16).ToString();//Count
                                int TagNumber = Convert.ToInt32(readStateString.Substring(10,2),16);
                                Timeinfo = $"{currentTime} {time.Substring(0, 10)}";//获取时间

                                int startTemp = 33;

                                //Infotext += $"({currentTime})客户端接收到EPC信息：\n{EPCASC}\n\n";

                                List<TagInfo> taglist = GetTagInfos(data);
                                ObservableCollection<TagItem> items = new ObservableCollection<TagItem>();
                                for (int j = 0; j < taglist.Count; j++)
                                {
                                    int TempLength = taglist[j].EPCstring.Length * 3 -1;
                                    EPCinfo = hexString.Substring(startTemp, TempLength);
                                    items.Add(new TagItem(taglist[j].EPCstring, EPCinfo, taglist[j].RSSI.ToString(), taglist[j].Count.ToString(), Timeinfo));
                                    startTemp += 16 + TempLength;
                                    string year = DateTime.Now.ToString("yyyy-MM-dd");
                                    EnsureFolderExists($"日志文件夹/{year}/{Text}");
                                    path = $"日志文件夹/{year}/{Text}/" + path;
                                    writeToTxt(path, $"EPC:{taglist[j].EPCstring}\nHEX:{EPCinfo}\nRSSI:{taglist[j].RSSI.ToString()}  Count:{taglist[j].Count.ToString()}  Time:{Timeinfo}\n____________________________");
                                    
                                    //LogService.Instance.Debug("");
                                }
                                
                                TagItems = items;

                            }
                            catch (Exception ex) {
                                Infotext += ex;
                            }

                            break;

                        case "81":
                            //获取GPIO状态，16进制转二进制
                            string GPIBinInfo = Convert.ToString(Convert.ToInt32(readStateString.Substring(8, 2), 16), 2).PadLeft(8, '0');
                            string GPOBinInfo = Convert.ToString(Convert.ToInt32(readStateString.Substring(10, 2), 16), 2).PadLeft(8, '0');

                            for (int j = 4; j < GPOBinInfo.Length; j++)
                            {
                                //按位判断GPIO状态
                                switch (j)
                                {
                                    case 4:
                                        if (GPOBinInfo.Substring(j, 1) == "1")
                                            GPO4 = "高";
                                        else
                                            GPO4 = "低";

                                        if (GPIBinInfo.Substring(j, 1) == "1")
                                            GPI4 = "高";
                                        else
                                            GPI4 = "低";
                                        break;
                                    case 5:
                                        if (GPOBinInfo.Substring(j, 1) == "1")
                                            GPO3 = "高";
                                        else
                                            GPO3 = "低";

                                        if (GPIBinInfo.Substring(j, 1) == "1")
                                            GPI3 = "高";
                                        else
                                            GPI3 = "低";
                                        break;
                                    case 6:
                                        if (GPOBinInfo.Substring(j, 1) == "1")
                                            GPO2 = "高";
                                        else
                                            GPO2 = "低";

                                        if (GPIBinInfo.Substring(j, 1) == "1")
                                            GPI2 = "高";
                                        else
                                            GPI2 = "低";
                                        break;
                                    case 7:
                                        if (GPOBinInfo.Substring(j, 1) == "1")
                                            GPO1 = "高";
                                        else
                                            GPO1 = "低";

                                        if (GPIBinInfo.Substring(j, 1) == "1")
                                            GPI1 = "高";
                                        else
                                            GPI1 = "低";
                                        break;
                                    default:
                                        break;
                                }
                            }
                            break;

                        case "72":
                            //获取功率信息
                            try
                            {
                                string tempReadstate = "";
                                string tempWritestate = "";
                                for (int n = 0;n < (Convert.ToInt32(dataLength,16)/5);n++)
                                {
                                    tempReadstate += $"A{n+1} : {(Convert.ToInt32(readStateString.Substring(12+10*n,4),16)/100).ToString()} ";
                                    tempWritestate += $"A{n + 1} : {(Convert.ToInt32(readStateString.Substring(16 + 10 * n, 4), 16) / 100).ToString()} ";
                                }
                                ReadPowerState = tempReadstate;
                                WritePowerState = tempWritestate;
                                tempReadstate = "";
                                tempWritestate = "";
                            }
                            catch
                            {

                            }
                            break;

                        case "70":
                            //获取设备信息
                            switch (option)
                            {

                                case "00":
                                    moduleInfo = Encoding.ASCII.GetString(HextoByte(readStateString.Substring(10, Convert.ToInt32(dataLength, 16) * 2)));
                                    //Infotext += $"({currentTime})客户端接收到module信息：\n{moduleInfo}\n\n";
                                    writeToTxt(path, $"模块信息：{moduleInfo}");
                                    break;
                                case "03":
                                    motherboardHardware = Encoding.ASCII.GetString(HextoByte(readStateString.Substring(10, Convert.ToInt32(dataLength, 16) * 2)));
                                    //Infotext += $"({currentTime})客户端接收到hardware信息：\n{motherboardHardware}\n\n";
                                    writeToTxt(path, $"硬件信息：{motherboardHardware}");
                                    break;
                                case "04":
                                    motherboardFirmware = Encoding.ASCII.GetString(HextoByte(readStateString.Substring(10, Convert.ToInt32(dataLength, 16) * 2)));
                                    //Infotext += $"({currentTime})客户端接收到firmware信息：\n{motherboardFirmware}\n\n";
                                    writeToTxt(path, $"固件信息：{motherboardFirmware}");
                                    option = "";
                                    break;
                            }
                            break;
                        default:
                            Infotext += $"default";
                            break;
                    }

                    //streamWriter.Close();
                }
                else
                {
                    switch (commandState)
                    {
                        case "02":
                            Infotext += "未读取到\n";
                            RSSIinfo = "##";//未读取到数值时清空数据为初始值
                            Countinfo = "00";
                            EPCASC = "###";
                            EPCinfo = "###";
                            Timeinfo = $"    {currentTime}\n{time.Substring(0, 10)}";//获取时间
                            break;
                    }
                }
                
                return EasyTask.CompletedTask;
            }

            private Task onConnected(ITcpClient client, ConnectedEventArgs e)//连接后初始化
            {
                Infotext += "已连接！\n"; 
                StateColour = "Green"; 
                LinkState = "已连接";
                //streamWriter = new StreamWriter(path);

                byte[] data = strToToHexByte("AA 55 01 70 00 71 0D");//获取模块信息
                option = "00";
                client.Send(data);

                Thread.Sleep(500);

                data = strToToHexByte("AA 55 01 70 03 72 0D");//获取主板硬件信息
                option = "03";
                client.Send(data);

                Thread.Sleep(500);

                data = strToToHexByte("AA 55 01 70 04 75 0D");//获取主板固件信息
                option = "04";
                client.Send(data);

                Thread.Sleep(500);

                data = strToToHexByte("AA 55 00 81 81 0D");//获取GPIO状态
                client.Send(data);

                Thread.Sleep(500);

                data = strToToHexByte("AA 55 00 72 72 0D");//获取功率状态
                client.Send(data);

                Thread.Sleep(500);

                data = strToToHexByte("AA 55 02 02 03 E8 EB 0D");//获取1000ms内标签信息
                client.Send(data);
                return EasyTask.CompletedTask;
            }

            private static byte[] HextoByte(string Temp)
            {
                byte[] Tempbytes = new byte[Temp.Length / 2];//16进制转byte数组
                for (int m = 0; m < Temp.Length; m += 2)
                {
                    try
                    {
                        Tempbytes[m / 2] = Convert.ToByte(Temp.Substring(m, 2), 16);
                    }
                    catch (Exception excp)
                    {
                        
                    }
                }
                return Tempbytes;
            }

            private static byte[] strToToHexByte(string hexString)//字符串转16进制
            {
                hexString = hexString.Replace(" ", "");
                if ((hexString.Length % 2) != 0)
                    hexString += " ";
                byte[] returnBytes = new byte[hexString.Length / 2];
                for (int i = 0; i < returnBytes.Length; i++)
                    returnBytes[i] = Convert.ToByte(hexString.Substring(i * 2, 2).Trim(), 16);
                return returnBytes;
            }

            private static void writeToTxt(string path,string content)
            {
                StreamWriter streamWriter = new StreamWriter(path,true);
                streamWriter.WriteLineAsync(content);
                streamWriter.Close();
            }

            async void Button_Link()//链接按钮的事件
            {
                try
                {
                    
                    ip = IPAddress.Parse(IPtext);
                    port = int.Parse(Porttext);
                    Infotext += $"{Text}";
                    client = new TcpClient();

                    //连接事件
                    client.Connected += onConnected; 
                    //断连事件
                    client.Closed = (client, e) => { Infotext += "已断开！\n"; StateColour = "Red"; LinkState = "未连接"; return EasyTask.CompletedTask; };
                    //接收事件
                    client.Received += onRecieved;

                    //设置连接属性
                    await client.SetupAsync(new TouchSocketConfig().SetRemoteIPHost($"{IPtext}:{Porttext}").ConfigureContainer(a =>
                    {
                        a.AddConsoleLogger();//添加一个日志注入
                    }));

                    //开启连接
                    await client.ConnectAsync();
                }
                catch (Exception ex)
                {
                    Infotext += $"处理请求时出错: {ex.Message}\n";
                }
            }

            void Button_Read()
            {
                byte[] data = strToToHexByte("AA 55 02 02 03 E8 EB 0D");//获取1000ms内标签信息
                client.Send(data);
            }

            void Button_Click_Send()//发送按钮的事件
            {
                try
                {
                    string message = MessageText;
                    if (message == string.Empty)
                    {
                        MessageBox.Show("输入内容不能为空！");
                    }
                    else
                    {
                        byte[] data = Encoding.UTF8.GetBytes(message);
                        client.Send(data);//发送原始数据
                        client.Send(strToToHexByte(message));//发送16进制数据
                    }
                }
                catch (Exception ex)
                {
                     Infotext += $"处理请求时出错: {ex.Message}\n";
                }
            }

            void Button_disconnect()
            {
                client.Close();//断开连接
            }

            void Button_clear()
            {
                Infotext = string.Empty;//清空信息框
            }   

            //组件属性更改事件
            public event PropertyChangedEventHandler PropertyChanged;
            protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
            {
                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
            }

            public class TagItem : INotifyPropertyChanged
            {
                private string _rssiinfo;//RSSI强度
                public string RSSIinfo { get => _rssiinfo; set { _rssiinfo = value; OnPropertyChanged(); } }
                private string _countinfo;//count数值
                public string Countinfo { get => _countinfo; set { _countinfo = value; OnPropertyChanged(); } }
                private string _timeinfo;//当前时间
                public string Timeinfo { get => _timeinfo; set { _timeinfo = value; OnPropertyChanged(); } }
                private string _epcinfo;//EPC信息
                private string _epcasc;//ASC2码 EPC信息
                public string EPCinfo { get => _epcinfo; set { _epcinfo = value; OnPropertyChanged(); } }
                public string EPCASC { get => _epcasc; set { _epcasc = value; OnPropertyChanged(); } }

                public TagItem(string infoEPC,string ascEPC,string RSSI,string count,string time)
                {
                    EPCinfo = infoEPC;
                    EPCASC = ascEPC;
                    RSSIinfo = RSSI;
                    Countinfo = count;
                    Timeinfo = time;
                }

                public event PropertyChangedEventHandler PropertyChanged;
                protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
                {
                    PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
                }
            }

        }
        public TCPWindowV2()
        {
            InitializeComponent();
            EnsureFolderExists("日志文件夹");

        }

        int currentcount = 0;//目前客户端的数量

        List<PanelItem> items = new List<PanelItem>();//客户端组件列表

        private void GenerateButton_Click(object sender, RoutedEventArgs e)//添加客户端框体
        {
            if (int.TryParse(CountTextBox.Text, out int count) && count > 0)
            {
                //var items = new List<PanelItem>();
                for (int i = 0; i < count; i++)
                {
                    items.Add(new PanelItem(i + currentcount));
                }
                currentcount += count;
                PanelContainer.ItemsSource = null;//刷新
                PanelContainer.ItemsSource = items;

            }
            else
            {
                MessageBox.Show("请输入有效的正整数", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        public class LinkCommand : ICommand //command方法实现
        {
            private Action _excute;

            private Action<int> _excutewithindex;

            public LinkCommand(Action action) {
                _excute = action;
            }

            public LinkCommand(Action<int> action)
            {
                _excutewithindex = action;
            }

            public event EventHandler CanExecuteChanged;

            public bool CanExecute(object parameter)
            {
                return true;
            }

            public void Execute(object parameter)
            {
               _excute();
            }
        }

        private void ClearButton_Click(object sender, RoutedEventArgs e)//清空客户端
        {
            items.Clear();
            PanelContainer.ItemsSource = null;
            currentcount = 0;
        }

        private static List<TagInfo> GetTagInfos(byte[] AutoDealReportData)
        {
            List<TagInfo> tagInfoList = new List<TagInfo>();
            try
            {
                int iFirstCountPos = 6;     //第一次读取标签次数位置
                int iFirstRSSIPos = 7;      //第一次读取标签强度位置
                int iFirstAnt = 8;
                int iFirstPC = 9;   //第一次读取标签天线位置
                int iFirstLeftBarcketPos = 11;//EPC数据起始位置
                UInt16 tempDataCount = 0;
                int tempDataRSSI = 0;
                UInt16 tempDataANT = 0;
                int iBarcodeGroupCount = Convert.ToInt32(AutoDealReportData[5].ToString()); //标签组数
                int iBarcodeLength = 16;        //标签长度
                int iCommonSecondFlag = 0;
                int dataLength = Convert.ToInt32(AutoDealReportData[2].ToString());
                for (int j = 0; j < iBarcodeGroupCount; j++)
                {
                    TagInfo tag = new TagInfo();
                    byte[] tempPCByte = new byte[2];     //取出PC
                    Array.Clear(tempPCByte, 0, 2);
                    Array.Copy(AutoDealReportData, iFirstPC, tempPCByte, 0, 2);

                    //PC转二进制取前五位转十进制
                    int epcLength = Convert.ToInt32(Convert.ToString(Convert.ToInt64(tempPCByte[0].ToString("X"), 16), 2).PadLeft(8, '0').Substring(0, 5), 2) * 2;

                    iBarcodeLength = epcLength;

                    byte[] tempDataByte = new byte[epcLength];
                    Array.Clear(tempDataByte, 0, iBarcodeLength);
                    Array.Copy(AutoDealReportData, iFirstLeftBarcketPos, tempDataByte, 0, iBarcodeLength);

                    byte[] tempCountByte = new byte[1];     //取出标签次数
                    Array.Clear(tempCountByte, 0, 1);
                    Array.Copy(AutoDealReportData, iFirstCountPos, tempCountByte, 0, 1);
                    tempDataCount = tempCountByte[0];

                    byte[] tempRSSIByte = new byte[1];     //取出标签强度
                    Array.Clear(tempRSSIByte, 0, 1);
                    Array.Copy(AutoDealReportData, iFirstRSSIPos, tempRSSIByte, 0, 1);
                    tempDataRSSI = HexStringToNegative(bytesToHexStr(tempRSSIByte, 1));

                    #region add by wenjy 20220829 取出天线号
                    byte[] tempAntByte = new byte[1];     //取出天线号
                    Array.Clear(tempAntByte, 0, 1);
                    Array.Copy(AutoDealReportData, iFirstAnt, tempAntByte, 0, 1);
                    tempDataANT = tempAntByte[0];
                    #endregion

                    tag.Count = tempDataCount;
                    tag.RSSI = tempDataRSSI;
                    tag.EPC = tempDataByte;
                    tag.EPCstring = System.Text.Encoding.ASCII.GetString(tempDataByte);
                    tag.PC = tempPCByte;
                    tag.Antana = tempDataANT;
                    tagInfoList.Add(tag);
                    int iBarcodeListLen = tagInfoList.Count; //特别注意，必须这样，要不然会多一条数据

                    iFirstCountPos = iFirstCountPos + iBarcodeLength + 5; //次数
                    iFirstRSSIPos = iFirstCountPos + 1; //强度
                    iFirstAnt = iFirstRSSIPos + 1; //天线
                    iFirstPC = iFirstAnt + 1;
                    iFirstLeftBarcketPos = iFirstLeftBarcketPos + iBarcodeLength + 5;

                    iCommonSecondFlag++;
                    if (iCommonSecondFlag == iBarcodeGroupCount)
                    {
                        //mutauto.ReleaseMutex();
                        return tagInfoList;
                    }
                }
            }
            catch (Exception ex)
            {
                //LogInfo.Info("----函数调用:Device_AutoDealContent 自动处理函数异常:" + ex.ToString());
                //mutauto.ReleaseMutex();
            }
            return tagInfoList;


        }




        public static int HexStringToNegative(string strNumber)
        {

            int iNegate = 0;
            int iNumber = Convert.ToInt32(strNumber, 16);
            if (iNumber > 127)
            {
                int iComplement = iNumber - 1;
                string strNegate = string.Empty;
                char[] binchar = Convert.ToString(iComplement, 2).PadLeft(8, '0').ToArray();
                foreach (char ch in binchar)
                {
                    if (Convert.ToInt32(ch) == 48)
                    {
                        strNegate += "1";
                    }
                    else
                    {
                        strNegate += "0";
                    }
                }
                iNegate = -Convert.ToInt32(strNegate, 2);
            }
            return iNegate;
        }



        public class TagInfo
        {
            public byte[] PC = new byte[2];

            public int Count;

            public int RSSI;

            public int Antana;

            public byte[] EPC;

            public byte[] Data;

            public string PCstring = null;

            public string EPCstring = null;

            public DateTime Time;
        }

        /// <summary>
        /// 将byte数组转换成十六进制字符串 //e.g. { 0x01, 0x01} ---> " 01 01"
        /// </summary>
        /// <param name="bytes">byte数组</param>
        /// <param name="iLen">数组长度</param>
        /// <returns>十六进制字符串</returns>
        public static string bytesToHexStr(byte[] bytes, int iLen)
        {
            string returnStr = "";
            if (bytes != null)
            {
                for (int i = 0; i < iLen; i++)
                {
                    returnStr += bytes[i].ToString("X2");
                }
            }
            return returnStr;
        }

        private static void EnsureFolderExists(string folderPath)
        {
            // 检查指定的文件夹路径对应的文件夹是否已经存在
            if (!Directory.Exists(folderPath))
            {
                try
                {
                    // 如果文件夹不存在，则尝试创建该文件夹
                    Directory.CreateDirectory(folderPath);
                }
                catch (IOException ex)
                {
                    // 如果在创建文件夹过程中出现IOException异常（比如权限不足、磁盘已满等原因导致无法创建文件夹）
                    // 这里通过消息框向用户展示创建文件夹失败的异常信息，方便用户知晓问题所在
                    MessageBox.Show($"创建文件夹 {folderPath} 失败，异常信息: {ex.Message}");
                    // 重新抛出异常，让调用这个方法的上层代码知道创建文件夹出现了问题，以便进行进一步的处理，比如终止程序或者尝试其他恢复操作
                    throw;
                }
            }
        }
    }
}