using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using QMAPP.Entity;

namespace QMAPP.WinForm.Forms.DeviceInterface
{
    public partial class LeakInspection : Form
    {
        public FJC.Entity.Basic.MachineInfo Machine;
        //获取服务代理
        QMAPP.ServicesAgent.ServiceAgent _agent = ClientContext.GetServiceAgent();


        public LeakInspection()
        {
            InitializeComponent();
        }
        private void LeakInspection_Load(object sender, EventArgs e)
        {
            cbPortName.Items.AddRange(System.IO.Ports.SerialPort.GetPortNames());
            cbParity.DataSource = Enum.GetValues(typeof(System.IO.Ports.Parity));
            cbStopBit.DataSource = Enum.GetValues(typeof(System.IO.Ports.StopBits));
            cbParity.SelectedIndex = 0;
            cbStopBit.SelectedIndex = 1;
            cbDataBits.SelectedIndex = 3;
            cbBaudRate.SelectedIndex = 6;
            btnStop.Enabled = false;

            if (Machine != null)
            {
                if (!string.IsNullOrWhiteSpace(Machine.TERMINALPORT))
                {
                    cbPortName.Text=Machine.TERMINALPORT;
                    btnStartListening_Click(this, e);
                }
            }

        }

        private void btnStartListening_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(cbPortName.Text))
            {
                MessageBox.Show("请选择端口！", "", MessageBoxButtons.OK, MessageBoxIcon.Question);
                return;
            }
            try
            {
                serialPort1.BaudRate = int.Parse(cbBaudRate.Text);
                serialPort1.DataBits = int.Parse(cbDataBits.Text);
                serialPort1.DtrEnable = cbDTR.Checked;
                serialPort1.Parity = (System.IO.Ports.Parity)cbParity.SelectedValue;
                serialPort1.PortName = cbPortName.Text;
                serialPort1.RtsEnable = cbRTS.Checked;
                serialPort1.StopBits = (System.IO.Ports.StopBits)cbStopBit.SelectedValue;
                serialPort1.Open();


                cbPortName.Enabled = false;
                cbParity.Enabled = false;
                cbStopBit.Enabled = false;
                cbParity.Enabled = false;
                cbStopBit.Enabled = false;
                cbDataBits.Enabled = false;
                cbBaudRate.Enabled = false;
                cbDTR.Enabled = false;
                cbRTS.Enabled = false;
                btnStop.Enabled = true;
                btnStartListening.Enabled = false;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }

        List<byte> receveBuffer = new List<byte>();
        byte[] _msgSuccesed = new byte[4] { 0xCC, 0x04, 0x01, 0xC9 };
        byte[] _msgFaild = new byte[4] { 0xCC, 0x04, 0x00, 0xC8 };
        DateTime _headtime;

        private void serialPort1_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
        {
            //if (serialPort1.BytesToRead > 0)
            //{
            //    byte[] buffer=new byte[serialPort1.BytesToRead];
            //    serialPort1.Read(buffer, 0, buffer.Length);
            //    ShowInListbox(string.Join(" ", buffer.Select(p => p.ToString("X2"))));
            //}
            while (serialPort1.BytesToRead > 0)
            {
                //if (_IsClearInputBuffer)
                //{
                //    _IsClearInputBuffer = false;
                //    receveBuffer.Clear();
                //}
                try
                {
                    byte[] buffer = new byte[serialPort1.BytesToRead];
                    serialPort1.Read(buffer, 0, buffer.Length);
                    ShowInListbox(string.Join(" ", buffer.Select(p => p.ToString("X2"))));
                    receveBuffer.AddRange(buffer);

                    while (receveBuffer.Count >= 2)
                    {
                        if (receveBuffer[0] == 0xAA)//如果接收到消息头
                        {
                            if (receveBuffer.Count >= receveBuffer[1])//判断接收消息长度
                            {
                                var receive = receveBuffer.GetRange(0, receveBuffer[1]).ToArray();
                                if (CalculateChecksum(receive) == 0) //计算校验位
                                {
                                    serialPort1.Write(_msgSuccesed, 0, _msgSuccesed.Length);//向设备返回成功消息
                                    ShowInListbox("数据格式正确，接收成功！");
                                    AnalyzeData(receive);
                                }
                                else
                                {
                                    serialPort1.Write(_msgFaild, 0, _msgFaild.Length);//向设备返回失败消息
                                    ShowInListbox("数据格式错误，接收失败！");
                                }
                                receveBuffer.RemoveRange(0, receive.Length);//将已处理的数据从缓存中移除
                            }
                            else
                            {
                                break;
                            }
                        }
                        else
                        {
                            receveBuffer.RemoveAt(0);
                        }
                    }
                }
                catch
                {

                }

            }

        }

        private void AnalyzeData(byte[] receive)
        {
            string result = receive[2] > 0 ? "合格" : "不合格";
            string barcode = System.Text.Encoding.ASCII.GetString(receive, 3, receive.Length - 4);
            string date = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");

            FJC.Entity.InterfaceData.LeakInspectRecord record = new FJC.Entity.InterfaceData.LeakInspectRecord
            {
                CREATEDATE = DateTime.Now,
                CREATEUSER = QMAPP.WinForm.ClientContext.LoginInfo.UserID,
                PRODUCTCODE = barcode,
                RESULT = receive[2] + "",
                PID = Guid.NewGuid().ToString()
            };

            var ret=_agent.InvokeServiceFunction<DataResult<int>>("LeakInspectRecordBLL_Insert", record);
            
            

            this.Invoke((Action)(() =>
            {
                lvCheckResults.Items.Insert(0, new ListViewItem(new string[] { barcode, result, date,ret.Result>0?"同步成功":"同步失败" }));
                if (lvCheckResults.Items.Count > 50)
                {
                    lvCheckResults.Items.RemoveAt(50);
                }
            }));

        }

        private void ShowInListbox(string text)
        {
            this.Invoke((Action)(() =>
            {
                lbReceivedData.Items.Insert(0, text);
                if (lbReceivedData.Items.Count > 50)
                {
                    lbReceivedData.Items.RemoveAt(50);
                }
            }));
        }

        private void LeakInspection_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (serialPort1.IsOpen)
            {
                serialPort1.Close();
            }
        }

        private void btnStop_Click(object sender, EventArgs e)
        {
            serialPort1.Close();


            cbPortName.Enabled = true;
            cbParity.Enabled = true;
            cbStopBit.Enabled = true;
            cbParity.Enabled = true;
            cbStopBit.Enabled = true;
            cbDataBits.Enabled = true;
            cbBaudRate.Enabled = true;
            cbDTR.Enabled = true;
            cbRTS.Enabled = true;
            btnStop.Enabled = false;
            btnStartListening.Enabled = true;
        }

        public static byte CalculateChecksum(byte[] data)
        {
            byte checksum = 0;
            if (data != null)
            {
                foreach (byte b in data)
                {
                    checksum = (byte)(checksum ^ b);
                }
            }
            //byte checksum = (byte)(CHECKSUM_BASE ^ LEN);
            //checksum = (byte)(checksum ^ CHECKSUM_BASE);
            return checksum;
        }
    }
}