using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Core = Invengo.NetAPI.Core;
using IRP1 = Invengo.NetAPI.Protocol.IRP1;
using Invengo.NetAPI.Protocol.IRP1;
using Invengo.NetAPI.Core;

using System.Configuration;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.Windows.Forms;
using System.Net.NetworkInformation;

namespace RailLocalMeter
{
    public class RfIdCarNo
    {
        Log lg = Log.GetInstance();

        IRP1.Reader reader = new IRP1.Reader("Reader1", "TCPIP_Client", $"{AppConfigCache.rfidIP}:{AppConfigCache.rfidPort}");//网口
        IRP1.ReadTag scanMsg = new IRP1.ReadTag(IRP1.ReadTag.ReadMemoryBank.EPC_6C);//扫描消息
        bool blThreadFlag = true;
        object lockobj = new object();//显示数据锁定

        public RfIdCarNo()
        {
            IRP1.Reader.OnApiException += new Core.ApiExceptionHandle(Reader_OnApiException);
        }

        public void Start()
        {
            if (reader.Connect())
            {
                //注册接收读写器消息事件
                reader.OnMessageNotificationReceived += new Invengo.NetAPI.Core.MessageNotificationReceivedHandle(reader_OnMessageNotificationReceived);
                lg.WriteLog(LogType.RfidLoc, "连接成功");

                if (reader != null && reader.IsConnected)
                {
                    if (reader.Send(scanMsg))
                    {
                        lg.WriteLog(LogType.RfidLoc, "正在读卡...");
                    }
                }
            }
            else
            {
                lg.WriteLog(LogType.RfidLoc, "连接失败");
            }
        }

        public void ClosingCollect()
        {
            if (reader != null)
            {
                if (reader.IsConnected)
                {
                    if (reader.Send(new IRP1.PowerOff()))//发送关功放消息
                    {
                        lg.WriteLog(LogType.RfidLoc, "停止读卡");
                    }
                }

                reader.OnMessageNotificationReceived -= new Invengo.NetAPI.Core.MessageNotificationReceivedHandle(reader_OnMessageNotificationReceived);
                reader.Disconnect();
            }
            lg.WriteLog(LogType.RfidLoc, "关闭连接");
        }


        void reader_OnMessageNotificationReceived(Invengo.NetAPI.Core.BaseReader reader, Invengo.NetAPI.Core.IMessageNotification msg)
        {
            if (msg.StatusCode != 0)
            {
                lg.WriteLog(LogType.RfidLoc, msg.ErrInfo);
                return;
            }
            String msgType = msg.GetMessageType();
            msgType = msgType.Substring(msgType.LastIndexOf('.') + 1);
            switch (msgType)
            {
                case "RXD_TagData":
                    {
                        IRP1.RXD_TagData m = (IRP1.RXD_TagData)msg;
                        string tagType = m.ReceivedMessage.TagType;
                        display(m);
                    }
                    break;
                case "RXD_IOTriggerSignal_800":
                    {
                        IRP1.RXD_IOTriggerSignal_800 m = (IRP1.RXD_IOTriggerSignal_800)msg;
                        if (m.ReceivedMessage.IsStart)
                        {
                            lg.WriteLog(LogType.RfidLoc, "I/O 触发，正在读卡...");
                        }
                        else
                        {
                            lg.WriteLog(LogType.RfidLoc, "I/O 触发，停止读卡");
                        }
                    }
                    break;
            }
        }

        private void display(IRP1.RXD_TagData msg)
        {
            lock (lockobj)
            {
                string epc = Core.Util.ConvertByteArrayToHexString(msg.ReceivedMessage.EPC);
                string tid = Core.Util.ConvertByteArrayToHexString(msg.ReceivedMessage.TID);
                string userDb = Core.Util.ConvertByteArrayToHexString(msg.ReceivedMessage.UserData);

                if (CacleCls.rfidEpc != epc) 
                {
                    CacleCls.rfidEpc = epc;
                    if (CacleCls.rifdInfo != null && CacleCls.rfidCarNo.Count() > 0)
                    {
                        foreach (KeyValuePair<string, string> rfid in CacleCls.rifdInfo)
                        {
                            if (rfid.Key == epc)
                            {
                                CacleCls.rfidCarNo = rfid.Value;
                                break;
                            }
                        }
                    }
                }
            }
        }


        bool isTryReconnNet = false;
        void Reader_OnApiException(Core.ErrInfo e)
        {
            if (e.Ei.ErrCode == "FF22") //断网连接尝试
            {
                if (isTryReconnNet)
                    ReConn();
                lg.WriteLog(LogType.RfidLoc, e.Ei.ErrMsg);
            }
            else if (e.Ei.ErrCode == "FF24")//发现连接作废,不作断网恢复尝试
            {
                isTryReconnNet = false;
                lg.WriteLog(LogType.RfidLoc, e.Ei.ErrMsg);
            }
        }


        #region 重连接
        int tryReconnNetTimeSpan = AppConfigCache.rfidConnTime;
        private void ReConn()
        {
            bool isSuc = false;
            using (Ping ping = new Ping())
            {
                for (int i = 0; i < tryReconnNetTimeSpan * 60; i++)
                {
                    PingReply pingReply = null;
                    try
                    {
                        pingReply = ping.Send(reader.ConnString.Substring(0, reader.ConnString.IndexOf(':')), 1000);//超时为1秒

                        if (pingReply.Status != IPStatus.Success)
                        {
                            lg.WriteLog(LogType.RfidLoc, "Ping不通");
                            continue;
                        }
                        else
                        {
                            isSuc = true;
                            break;
                        }
                    }
                    catch (Exception ex)
                    {
                        lg.WriteLog(LogType.RfidLoc, $"尝试自动恢复连接失败：{ex.Message}");
                        return;
                    }
                }
            }
            //建立连接
            if (isSuc)
            {
                isSuc = false;
                for (int i = 0; i < 3; i++)//尝试3次
                {
                    if (reader.Connect())
                    {
                        lg.WriteLog(LogType.RfidLoc, $"尝试自动恢复连接成功");
                        isSuc = true;
                        break;
                    }
                    else
                    {
                        Thread.Sleep(2000);
                        continue;
                    }
                }
                if (!isSuc)
                    lg.WriteLog(LogType.RfidLoc, $"尝试自动恢复连接失败");
            }
        }
        #endregion
    }
}