using System;
using System.Collections.Generic;
using System.Configuration;
using System.Diagnostics;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace CarLocalMeter
{
    /// <summary>
    /// Moxa重量采集及判稳
    /// </summary>
    public class MoxaCls
    {
        Log lg = Log.GetInstance();
        Socket client = null;
        IPAddress ip = null;
        IPEndPoint point = null;
        bool blThreadFlag;//数据采集线程开关
        Thread DataCollectThread = null;//采集进程

        public MoxaCls() 
        {
            //新数据采集
            //获取IP地址和端口并创建IPEndPoint
            ip = IPAddress.Parse(AppConfigCache.moxaIP);
            point = new IPEndPoint(ip, AppConfigCache.moxaPort);
            blThreadFlag = true;
            DataCollectThread = new Thread(new ThreadStart(DataCollect));
        }

        public void start()
        {
            if (client == null)
            {
                client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                //client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, -300);
                //连接到服务器
                client.Connect(point);
            }
            //连接到服务器
            else if (!client.Connected)
            {
                client.Close();
                client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                client.Connect(point);
            }

            DataCollectThread.Start();
        }

        public void ClosingCollect()
        {
            blThreadFlag = false;
        }

        #region 数据采集
        private List<int> lWeight = new List<int>();

        /// <summary>
        /// 数据采集线程
        /// </summary>
        private void DataCollect()
        {
            if (!blThreadFlag) return;
            //client.Listen(10);

            //连接到服务器
            while (!client.Connected)
            {
                try
                {
                    client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                    client.Connect(point);
                }
                catch (Exception err)
                {
                    CacleCls.weightFlag = "1";
                    CacleCls.weightMsgInfo = "Moxa连接异常";
                    //WriteLog($"连接Moxa失败,正重试{err.Message}");
                }
                Thread.Sleep(500);
            }

            byte[] btDbs = new byte[AppConfigCache.messageLength];//数据填充bt
            byte[] buffer = new byte[AppConfigCache.messageLength];
            int isLd = 0, itest = 0;
            while (blThreadFlag)
            {
                try
                {
                    byte[] buffers = new byte[AppConfigCache.messageLength];

                    //Debug.WriteLine("client开始：" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff"));
                    int n = client.Receive(buffers); //由于仪表每1秒是采集多少次是不确定的，如果这个buffer的长度设置的太长会导致这里读取的时间很长
                    //Debug.WriteLine("client结束：" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff"));

                    int icn = 0, iGet = 0;
                    for (int i = 0; i < buffer.Length; i++)
                    {
                        if (buffer[i] != 0)
                        {
                            icn++;
                        }
                        else 
                        {
                            break;
                        }
                    }
                    if (icn != buffer.Length) //没有12个长度则继续接收直到满12个长度
                    {
                        for (int i = 0; i < n; i++)
                        {
                            if (icn < buffer.Length)
                            {
                                buffer[icn++] = buffers[i];
                                iGet++;
                            }
                            else break;
                        }
                    }
                    if (icn == buffer.Length)
                    {
                        if (AppConfigCache.isFz == "true")
                        {
                            byte[] bf = buffer.Reverse().ToArray();
                            int mx = 0;
                            foreach (byte b in bf)
                            {
                                if (b > 0) buffer[mx++] = b;
                            }
                        }


                        int iLastNew = 0;
                        byte[] btNew = new byte[btDbs.Length + buffer.Length];
                        for (int i = 0; i < btDbs.Length; i++)
                        {
                            if (btDbs[i] != 0)
                            {
                                btNew[iLastNew++] = btDbs[i];
                            }
                        }

                        int bufferLast = 0;
                        for (int i = 0; i < buffer.Length; i++)
                        {
                            if (buffer[i] == AppConfigCache.separate)
                            {
                                bufferLast = i;
                                break;
                            }
                            else
                            {
                                btNew[iLastNew++] = buffer[i];
                            }
                        }
                        for (int i = 0; i < btDbs.Length; i++)
                        {
                            btDbs[i] = 0;
                        }

                        for (int i = bufferLast; i < buffer.Length; i++)
                        {
                            btDbs[i - bufferLast] = buffer[i];
                        }


                        byte[] bt = new byte[AppConfigCache.messageLength];

                        if (iLastNew == AppConfigCache.messageLength)
                        {
                            for (int i = 0; i < iLastNew; i++)
                            {
                                bt[i] = btNew[i];
                            }
                        }


                        if (iLastNew != AppConfigCache.messageLength) continue;

                        #region 在这里要数一下buffer里面的数据，看下结束符的byte值是多少，每个秤都确定好之后，就删除这个即可
                        //*
                        int m = 0;
                        string strX = "[";
                        for (int i = 0; i < bt.Length; i++)
                        {
                            if (bt[i] > 0)
                            {
                                m++;
                                strX += $"{bt[i]} ";
                            }
                        }
                        strX += "]";
                        string strx = Encoding.UTF8.GetString(bt, 0, bt.Length);
                        //Debug.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff") + strX);
                        Debug.WriteLine(strx);
                        //*/
                        #endregion


                        byte[] btDb = new byte[AppConfigCache.dataLength];
                        int iC = 0;
                        for (int i = AppConfigCache.startPosition; i < (AppConfigCache.startPosition + AppConfigCache.dataLength); i++)
                        {
                            btDb[iC++] = bt[i - 1];
                        }

                        int weight = 0;

                        string str = Encoding.UTF8.GetString(btDb, 0, btDb.Length);
                        bool flag = int.TryParse(str, out weight);

#if DEBUG
                        #region 用于debug调试的代码
                        /*
                        if (itest> 100 && itest < 300)
                        {
                            weight = 28500;
                            itest++;
                        }
                        else if (itest < 500)
                        {
                            weight = 28500;
                            itest++;
                        }
                        else 
                        {
                            itest = 0;
                        }

                        CacleCls.voicCarNo = "湘G88888";
                        //*/
                        #endregion
#endif

                        CacleCls.weight = weight;
                        CacleCls.weightFlag = "0";
                        CacleCls.weightMsgInfo = "";

                        if (CacleCls.weight <= AppConfigCache.undulateValue)
                        {
                            CacleCls.isWd = 2;
                            lWeight.Clear();
                        }
                        else
                        {
                            if (lWeight.Count == 0)
                            {
                                lWeight.Add(weight);
                                CacleCls.isWd = 1;
                            }
                            else if (Math.Abs(weight - lWeight[0]) > AppConfigCache.undulateValue)
                            {
                                lWeight.Clear();
                                lWeight.Add(weight);
                                CacleCls.isWd = 1;
                            }
                            else if (lWeight.Count < AppConfigCache.undulateCount)
                            {
                                lWeight.Add(weight);
                            }
                            else
                            {
                                CacleCls.isWd = 0;
                            }
                        }

                        if (Math.Abs(weight) > 0)
                        {
                            if (Math.Abs(weight) <= AppConfigCache.minValue)
                            {
                                if (isLd < 4) isLd++; //连续4次采集到不为0，且满足零点最小绝对值
                                if (isLd == 4) CacleCls.isZeroState = true;
                            }
                        }
                        else
                        {
                            CacleCls.isZeroState = false;
                            isLd = 0;
                        }


                        for (int i = 0; i < buffer.Length; i++)
                        {
                            buffer[i] = 0;
                        }

                        if (iGet < n)
                        {
                            for (int i = 0; i < n - iGet; i++)
                            {
                                buffer[i] = buffers[iGet + i];
                            }
                        }
                    }
                }
                catch (Exception ex)
                {
                    lg.WriteLog(LogType.MoxaLog, "Moxa采集异常：" + ex.Message);
                    CacleCls.isWd = CacleCls.isWd == 0 ? 1 : CacleCls.isWd;
                    CacleCls.weightFlag = "1";
                    CacleCls.weightMsgInfo = "Moxa采集异常：" + ex.Message;
                }
                finally
                {
                    //Thread.Sleep(100);
                }
            }
        }
        #endregion
    }
}