using System;
using System.Collections.Generic;
using System.Configuration;
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
    {
        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);
                //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;

            //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);
            }

            int isLd = 0;
            while (blThreadFlag)
            {
                try
                {
                    byte[] buffer = new byte[32 * 32];
                    int n = client.Receive(buffer);

                    if (AppConfigCache.isFz == "true")
                    {
                        byte[] bf = buffer.Reverse().ToArray();
                        int mx = 0;
                        foreach (byte b in bf)
                        {
                            if (b > 0) buffer[mx++] = b;
                        }
                    }

                    #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 < buffer.Length; i++)
                    {
                        if (buffer[i] > 0)
                        {
                            m++;
                            strX += $"{buffer[i]} ";
                        }
                    }
                    strX += "][";
                    strX += Encoding.UTF8.GetString(buffer, 0, m);
                    strX += "]";
                    //string strx = Encoding.UTF8.GetString(buffer, 0, m);
                    //在这里要数一下buffer里面的数据，看下结束符的byte值是多少
                    //textBox1.Invoke(new Action(() => {
                    //    textBox1.Text += strX;
                    //}));
                    #endregion


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

                    int iLast = 0, iCnt = 0;
                    for (int i = n - 1; i > -1; i--)
                    {
                        //byte字节里面都是数值       0-15          0-12
                        if (iLast == 0 && buffer[i] == AppConfigCache.separate)//endStr
                        {
                            iLast = i;
                            bt[iCnt] = buffer[i];
                        }
                        else if (iLast != 0)
                        {
                            if (iCnt < AppConfigCache.messageLength - 1)
                            {
                                bt[++iCnt] = buffer[i];
                            }
                            else
                            {
                                break;
                            }
                        }
                    }
                    Array.Reverse(bt);

                    if (iCnt + 1 != AppConfigCache.messageLength) continue;


                    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];
                    }

                    string str = Encoding.UTF8.GetString(btDb, 0, btDb.Length);
                    int weight = Convert.ToInt32(str);
                    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 = 0;
                        }
                        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;
                    }
                    

                }
                catch (Exception ex)
                {
                    CacleCls.isWd = CacleCls.isWd == 0 ? 1 : CacleCls.isWd;
                    CacleCls.weightFlag = "1";
                    CacleCls.weightMsgInfo = "Moxa采集异常：" + ex.Message;
                }
                finally
                {
                    Thread.Sleep(AppConfigCache.sleepTime);
                }
            }
        }
        #endregion
    }
}