using Admin.Core.Common;
using Aucma.Core.Scanner;
using log4net;
using System;
using System.Collections.Generic;
using System.IO.Ports;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace Aucma.Core.CodeBinding.Business
{
    /// <summary>
    ///  扫码枪补扫
    /// </summary>
    public class GunBusiness
    {

        private static SerialPort serialPort = new SerialPort();

        private static List<ScannerModel> allScanners = Appsettings.app<ScannerModel>("ScannerServer").ToList();
        // 内胆扫码器ip
        private static string MesScannerIp = allScanners.First(x => x.Name == "mes扫码器").Ip;
        // 箱壳扫码器ip
        private static string SNScannerIp = allScanners.First(x => x.Name == "sn扫码器").Ip;

        private static string SNCode = string.Empty;
        private static string MESCode = string.Empty;
        /// <summary>
        /// code1扫码信息刷新
        /// </summary>
        /// <param name="Code1"></param>
        public delegate void BindingReceiveCode(string MesCode, string SnCode);
        public static event BindingReceiveCode? BindingReceiveCodeEvent;

        #region 单例实现
        private static readonly GunBusiness lazy = new GunBusiness();

        /// <summary>
        /// 扫码委托
        /// </summary>
        /// <param name="materialCodeStr"></param>
        /// <param name="ip"></param>
        public delegate void RefreshMaterialCodeStr(string materialCodeStr, string ip);
        public static event RefreshMaterialCodeStr RefreshMaterialCodeStrEvent;

        public static GunBusiness Instance
        {
            get
            {
                return lazy;
            }
        }
        #endregion


        private static readonly log4net.ILog logHelper = LogManager.GetLogger(typeof(GunBusiness));


        //初始化串口并启动接收数据
        public static void InstanceSerialPort3()
        {
            try
            {
                string port = System.IO.Ports.SerialPort.GetPortNames().FirstOrDefault();
                //实例化串行端口

                //端口名  注:因为使用的是USB转RS232 所以去设备管理器中查看一下虚拟com口的名字
                serialPort.PortName = port;// portName;
                                           //波特率
                serialPort.BaudRate = 115200;
                //奇偶校验
                serialPort.Parity = Parity.None;
                //停止位
                serialPort.StopBits = StopBits.One;
                //数据位
                serialPort.DataBits = 8;
                //忽略null字节
                serialPort.DiscardNull = true;

                //接收事件
                serialPort.DataReceived += new System.IO.Ports.SerialDataReceivedEventHandler(serialPort1_DataReceived);

                //开启串口
                serialPort.Open();
            }
            catch (Exception ex)
            {
                logHelper.Error(ex.Message.ToString());
            }
        }

        private static void serialPort1_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
        {
            Thread.Sleep(50);
            int nums = serialPort.BytesToRead;
            byte[] receiveBytes = new byte[nums];
            serialPort.Read(receiveBytes, 0, nums);

            StringBuilder sb = new StringBuilder();

            string str = Encoding.ASCII.GetString(receiveBytes);

            if (str.Substring(0, 1) == "B")
            {
                // mes条码
                MESCode = str;
                RefreshMaterialCodeStrEvent?.Invoke(str, MesScannerIp);
            }
            else
            {
                //SN码
                SNCode = str;
                RefreshMaterialCodeStrEvent?.Invoke(str,SNScannerIp);
            }
            if(!string.IsNullOrEmpty(MESCode) && !string.IsNullOrEmpty(SNCode))
            {
                // 委托
                BindingReceiveCodeEvent?.Invoke(MESCode, SNCode);
                SNCode = string.Empty;
                MESCode = string.Empty;
            }
            sb.Clear();
        }


    }
}