using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.IO.Ports;
using System;
using System.Threading;
using System.Runtime.InteropServices;
using System.Linq;

public class KeyboardController : MonoBehaviour {

    public static SerialPort mySerialPort;

    void Awake()
    {
        string[] ports = System.IO.Ports.SerialPort.GetPortNames();
        foreach(string name in ports)
        {
            Debug.Log(name);
        }
    }

    public void OpenPort()
    {
        Debug.Log("Openning Port...");

        mySerialPort = new SerialPort("COM6");
        mySerialPort.BaudRate = 19200;
        mySerialPort.Parity = Parity.None;
        mySerialPort.StopBits = StopBits.One;
        mySerialPort.DataBits = 8;
        mySerialPort.Handshake = Handshake.None;
        mySerialPort.RtsEnable = true;
        mySerialPort.DtrEnable = true;

        mySerialPort.DataReceived += new SerialDataReceivedEventHandler(DataReceivedHandler);

        mySerialPort.Open();
    }

    private void DataReceivedHandler(object sender, SerialDataReceivedEventArgs e)
    {
        Debug.Log("FIRED!");
    }


    public void SendData()
    {
        if (mySerialPort!=null && mySerialPort.IsOpen)
        {
            byte[] Command = new byte[9] { 0x55, 0x05, 0x00, 0x0e, 0x01, 0x01, 0x00, 0x00, 0xd8 };

            mySerialPort.Write(Command, 0, 9);
            Debug.Log("Data sended");
        }
        else
        {
            Debug.Log("ERROR - port is closed");
        }
    }

    public void ClosePort()
    {
        if (mySerialPort != null)
        {
            if (mySerialPort.IsOpen)
            {
                Debug.Log("closing serial port");
                mySerialPort.Close();
            }
            mySerialPort = null;
        }
    }

    public void OnApplicationQuit()
    {
        ClosePort();
    }
}