using HMI.Core.Util;
using HMI.UI.Util;
using Panuon.WPF.UI;
using System;
using System.ComponentModel;
using System.IO.Ports;
using System.Windows;

namespace Plugin.TestResult_WPF
{
    public class BarcodeEventArg
    {
        public string name { get; private set; }
        public string positionCode { get; private set; }
        public string snrCode { get; private set; }

        public BarcodeEventArg(string name, string positionCode, string snrCode)
        {
            this.name = name;
            this.positionCode = positionCode;
            this.snrCode = snrCode;
        }
    }

    /// <summary>
    /// Scanner.xaml 的交互逻辑
    /// </summary>
    public partial class Scanner : WindowX
    {
        private string _title;

        public string title
        {
            get { return _title; }
            set => Set(ref _title, value);
        }

        public event EventHandler<BarcodeEventArg> FinishBarcode;

        private DataTable dataTable;
        SerialPort serialPort;
        public Scanner(string title)
        {
            this.title = title;
            this.DataContext = this;
            InitializeComponent();
            Loaded += Scanner_Loaded;
        }

        private void Scanner_Loaded(object sender, RoutedEventArgs e)
        {
            InitScanner();
            Loaded -= Scanner_Loaded;
        }

        /// <summary>
        /// 设置扫码枪
        /// </summary>
        private void InitScanner()
        {
            string comStr = "";
            if (serialPort != null) return;
            if (this.Tag == "Zone1")
            {
                comStr = "COM1";
            }
            else
            {
                comStr = "COM2";
            }

            // 配置串口
            serialPort = new SerialPort
            {
                PortName = comStr,
                BaudRate = 115200,
                Parity = Parity.None,
                DataBits = 8,
                StopBits = StopBits.One,
                Handshake = Handshake.None,
                DtrEnable = true,
                RtsEnable = true
                //ReadTimeout = 500,
                //WriteTimeout = 500,
                //ReciveBufferSize=4096
            };

            try
            {
                // 打开串口
                serialPort.Open();
                // 注册接收数据事件
                serialPort.DataReceived += SerialPort_DataReceived;
            }
            catch (Exception ex)
            {
                ViewControl.Logger.Error("Init Scan Gun Failed.", ex);
                MsgBoxHelper.Error(this, $"{this.lang("Tr.InitGunFailed")}: {ex.StackTrace}");
            }
        }

        private void SerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
        {
            try
            {
                SerialPort sp = (SerialPort)sender;
                string barcode = ReadDataFrom(sp);

                //string barcode = 
                Dispatcher.Invoke(() =>
                {
                    if (snrText.IsFocused)
                    {
                        snrText.Text = barcode;
                        Con_Click(null, null);
                    }
                    else
                    {
                        positionText.Text = barcode;
                        //positionText.Focus();
                        //snrText.Text = "";
                        snrText.Focus();
                    }
                });
            }
            catch (Exception ex)
            {
                ViewControl.Logger.Error("Get Scan Gun Data Failed.", ex);
                MessageBox.Show($"{this.lang("Tr.GetGunData")}: {ex.StackTrace}");
            }
        }

        private void Con_Click(object sender, RoutedEventArgs e)
        {
            Dispatcher.Invoke(() =>
            {
                string position = positionText.Text, snr = snrText.Text;
                if (string.IsNullOrEmpty(position) || string.IsNullOrEmpty(snr))
                {
                    ToastHelper.Warning(this, this.lang("Tr.PleaseInputSnrs"));
                    return;
                }
                try
                {
                    FinishBarcode.Invoke(this, new BarcodeEventArg(Tag.ToString(), position, snr));
                    //positionText.Text = "";
                    //snrText.Text = "";
                    positionText.Focus();
                }
                catch (Exception ex)
                {
                    ViewControl.Logger.Error("Con_Click Failed.", ex);
                    ToastHelper.Warning(this, ex.Message);
                }
            });
        }

        private void Ok_Click(object sender, RoutedEventArgs e)
        {
            string position = positionText.Text, snr = snrText.Text;
            if (string.IsNullOrEmpty(position) || string.IsNullOrEmpty(snr))
            {
                ToastHelper.Warning(this, this.lang("Tr.PleaseInputSnrs"));
                return;
            }
            try
            {
                FinishBarcode.Invoke(this, new BarcodeEventArg(Tag.ToString(), position, snr));
                this.Close();
            }
            catch (Exception ex)
            {
                ViewControl.Logger.Error("Con_Click Failed.", ex);
                ToastHelper.Warning(this, ex.Message);
            }
        }

        private string ReadDataFrom(SerialPort sp)
        {
            string barcode = "";
            while (sp.BytesToRead > 0)
            {
                byte[] buffer = new byte[sp.BytesToRead];
                sp.Read(buffer, 0, buffer.Length);
                barcode += System.Text.Encoding.UTF8.GetString(buffer);
                System.Threading.Thread.Sleep(50);
            }
            return barcode;
        }

        private void Window_Closing(object sender, CancelEventArgs e)
        {
            try
            {
                serialPort.Close();
            }
            catch (Exception ex)
            {
            }
        }
    }
}