using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
//Add code
using System.Windows.Forms;
using System.IO;
using System.IO.Ports;

namespace RF_TRIO_PLL_ZIG
{
    class Serial
    {
        private System.IO.Ports.SerialPort serialPort;
        private Debug Debug = new Debug();    // Teminal Text Wnd Open
        public string Serial_Name { get => serialPort.PortName;  set => serialPort.PortName = value;}
        Data_Handler data_Handler = new Data_Handler();
        //FileDownload fileDownload;
        Update_Serial fileDownload;
        public void Serial_Initialize(ref ComboBox cb_port)
        {
            
            this.serialPort = new System.IO.Ports.SerialPort();
            this.serialPort.DataReceived += new System.IO.Ports.SerialDataReceivedEventHandler(this.Serial_DataRecvFunction);

            cb_port.BeginUpdate();
            foreach (string comport in SerialPort.GetPortNames())//foreach (string comport in SerialPort_TestProgram.GetPortNames())
            {
                cb_port.Items.Add(comport);
            }
            cb_port.EndUpdate();
            //SerialPort 초기 설정.
         //  serialPort.Encoding = Encoding.GetEncoding("Windows-1252");
            cb_port.DataSource =  SerialPort.GetPortNames();
            try
            {
                serialPort.PortName = Serial_Name = cb_port.SelectedItem.ToString();
                serialPort.BaudRate = (int)115200;
                serialPort.DataBits = (int)8;
                serialPort.Parity = System.IO.Ports.Parity.None;
                serialPort.StopBits = StopBits.One;
            }
            catch { }

        }
        private delegate void StringSend(string Text);
        private delegate void ByteSend(byte[] Text);

        public string Str2hex(string strData,Boolean Compotable)
        {
            string resultHex = string.Empty;
            byte[] arr_byteStr = Encoding.Default.GetBytes(strData);

            foreach (byte byteStr in arr_byteStr)
            {
                if(Compotable == true)
                    resultHex += string.Format("{0:X2}", byteStr) + " ";
                else
                    resultHex += string.Format("{0:X2}", byteStr);
            }

            return resultHex;
        }

        static public byte[] Str2bytes(string byteData)
        {

#if false
            System.Text.ASCIIEncoding asencoding = new System.Text.ASCIIEncoding();
            return Encoding.Default.GetBytes(byteData);
#else 
            byte[] arr_byteStr = Encoding.Default.GetBytes(byteData);
            return arr_byteStr;
#endif
        }
       
        public void Serial_DataRecvFunction(object sender, SerialDataReceivedEventArgs e)
        {
            if (this.Debug.Created && Debug.RadioButton_ascii.Checked == true)
            {
                string data = serialPort.ReadExisting();
                if (Debug.Created)
                    if (Debug.RadioButton_ascii.Checked == true)
                        Debug.Invoke(new StringSend(Debug.Data_Recv_Str), data);
                    else
                        Debug.Invoke(new StringSend(Debug.Data_Recv_Str), Str2hex(data, true));

                data_Handler.Recv_dataCheck(this.fileDownload, Str2bytes(data));
            }
            else
            {
                // 리스트 두개 사용
                int nLnegth = serialPort.BytesToRead;
                byte[] btdata = new byte[nLnegth];
                serialPort.Read(btdata, 0, nLnegth);

                if (nLnegth > 0)
                {
                    if (this.Debug.Created)
                    {
                        string tmpSTR = Encoding.Default.GetString(btdata).TrimEnd('\0');
                        Debug.Invoke(new StringSend(Debug.Data_Recv_Str), Str2hex(tmpSTR, true));
                    }
                    data_Handler.Recv_dataCheck(this.fileDownload, btdata);
                   
                    // 이부분에서 데이타 처리하는 부분으로 전송하여 사용하면 됨
                }
            }
            /****
             *메모리 누수 방지용 코드
             */
            System.GC.Collect(0, GCCollectionMode.Forced);
            System.GC.WaitForFullGCComplete();
        }
        public Boolean Serial_PortOpen(ref Button Btn_Portonoff,ref ComboBox cb)
        {
            Boolean ret = false;
            try
            {
                if (serialPort.IsOpen) { //When the port is open
                    serialPort.Close();
                    Btn_Portonoff.Text = "Port Open";
                    ret = true;
                }
                else//When the port is close
                {
                    if (cb.Text != "")
                    {
                        serialPort.Open();
                        Btn_Portonoff.Text = "Port Close";
                    }
                    else
                    {
                        MessageBox.Show("Port is not set");
                        ret = true;
                    }
                }
            }
            catch
            {
                MessageBox.Show("already port open " + Serial_Name);
               
            }
            return ret;
        }
        public void Serial_TerminalOpen(object serial)
        {
            this.Debug.Serial_ClassSet(serial);
            try
            {
                this.Debug.Show();
            }
            catch
            {
                Debug = new Debug();
                this.Debug.Show();
            }
        }
        public void Serial_DataSend(byte[] data)
        {
            try
            {
                serialPort.Write(data,0,data.Length);
            }
            catch (System.Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
        public void Serial_DataSend(byte[] buffer, int count)
        {
            try { serialPort.Write(buffer, 0, count); }
            catch { MessageBox.Show("Port Open Failed!!!"); }
        }
        public void FileDownloadClass_Get(object filedownload)
        {
            //this.fileDownload = (FileDownload)filedownload;
            this.fileDownload = (Update_Serial)filedownload;
        }
        public void Test_Serial()
        {
            byte[] tempdata = new byte[1024];
            for (int i = 0; i < 255; i++)
            {

                tempdata[i] = Convert.ToByte(i);
                
                
            }
            this.serialPort.Write(tempdata, 0, 255);
            //this.serialPort.Write(tempdata.ToString());

        }
        public void debug_hextoasciiConvert()
        {
            if(this.Debug.Created)
                this.Debug.hex_to_ascii_radiobuttonConvert();
        }
        public void debug_asciitohexConvert()
        {
            if (this.Debug.Created)
                this.Debug.ascii_to_hex_radiobuttonConvert();
        }
    }
}