using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Salamax
{
  public class TeensySimulatorDevice : USBDevice
  {
    private USBSimulator.USBSimulatorDevice _device = null;
    private SimulatedController _controller = null;

    public override bool IsConnected
    {
      get
      {
        return _device != null ? _device.IsConnected : false;
      }
    }

    public TeensySimulatorDevice()
    {
      _Detect();

      /*
      while (true)
      {
        if (Console.KeyAvailable)
        {
          var key = Console.ReadKey(true).Key;

          if (key == ConsoleKey.Escape)
            break;
          if (key == ConsoleKey.RightArrow)
            controller.KeyData[2] |= 0x08;
        }

        System.Threading.Thread.Sleep(10);
        controller.KeyData[2] = 0x00;
      }
       */
    }

    public override void Find()
    {
      _Detect();
    }

    public void SendKeyData(byte[] keyData)
    {
      Array.Copy(keyData, 0, _controller.KeyData, 0, Math.Min(_controller.KeyData.Length, keyData.Length));
    }

    public override void Disconnect()
    {
      if (_controller != null)
      {
        _controller.Stop();
      }

      if (_device != null)
      {
        _device.DetachDevice();
        System.Threading.Thread.Sleep(3000);
        _device.CurrentDevice = null;
      }

      if (_controller != null)
        _controller.OnShutdown();

      if (_device != null)
        _device.Close();

      _controller = null;
      _device = null;
    }

    private bool _Detect()
    {
      bool ret = false;

      try
      {
        if (_device == null)
          _device = new USBSimulator.USBSimulatorDevice();

        if (_controller == null)
        {
          _controller = new SimulatedController();
          _device.CurrentDevice = _controller;
        }

        if (_device != null)
          _device.AttachDevice();

        ret = true;
      }
      catch
      {
        //Uh-oh...
      }

      return ret;
    }
  }
}