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

namespace DirectUSB.VirtualPackets
{
  public class ParameterRequestResponse : VirtualPacket
  {
    #region Declarations

    private List<Parameters.Parameter> _parameters;

    #endregion

    #region Constructors / Teardown

    public ParameterRequestResponse(byte[] data) : base(0x0008, data)
    {
      //Interpret the raw data as a list of parameters
      _parameters = new List<Parameters.Parameter>();

      int count = (data[0] << 8) | data[1];
      int index = 2;

      for (int i = 0; i < count; i++)
      {
        short type = (short)((data[index] << 8) | data[index + 1]);
        bool valid = data[index + 2] == 0 ? true : false;
        int length;

        //Apparently if the valid byte is 0x02, there is no data...
        if (data[index + 2] != 0x00)
          length = 0;
        else
          length = (data[index + 3] << 8) | data[index + 4];

        var d = new byte[length];

        for (int j = 0; j < d.Length; j++)
          d[j] = data[index + 5 + j];

        //Apparently if the valid byte is 0x02, there is no size bytes...
        if (data[index + 2] != 0x00)
          index += 3;
        else
          index += 5 + d.Length;

        Parameters.Parameter p;
        switch ((Parameters.Parameter.ParameterType)type)
        {
          case DirectUSB.Parameters.Parameter.ParameterType.ProductNumber:
            {
              p = new Parameters.ProductNumberParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.ProductName:
            {
              p = new Parameters.ProductNameParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.CalculatorID:
          case DirectUSB.Parameters.Parameter.ParameterType.FullCalculatorID:
            {
              p = new Parameters.CalculatorIdParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.HardwareVersion:
            {
              p = new Parameters.HardwareVersionParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.LanguageId:
            {
              p = new Parameters.LanguageIdParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.SubLanguageId:
            {
              p = new Parameters.SubLanguageIdParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.DeviceType:
            {
              p = new Parameters.DeviceTypeParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.BootVersion:
            {
              p = new Parameters.BootVersionParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.OSLoaded:
            {
              p = new Parameters.OSLoadedParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.OSVersion:
            {
              p = new Parameters.OSVersionParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.RAMPresent:
            {
              p = new Parameters.RAMPresentParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.RAMAvailable:
            {
              p = new Parameters.RAMAvailableParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.RAMFree:
            {
              p = new Parameters.RAMFreeParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.FlashROMPresent:
            {
              p = new Parameters.FlashROMPresentParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.FlashROMAvailable:
            {
              p = new Parameters.FlashROMAvailableParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.FlashROMFree:
            {
              p = new Parameters.FlashROMFreeParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.ApplicationPagesAvailable:
            {
              p = new Parameters.ApplicationPagesAvailableParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.ApplicationPagesFree:
            {
              p = new Parameters.ApplicationPagesFreeParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.LCDWidth:
            {
              p = new Parameters.LCDWidthParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.LCDHeight:
            {
              p = new Parameters.LCDHeightParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.LCDContents:
            {
              p = new Parameters.LCDContentsParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.ClockOn:
            {
              p = new Parameters.ClockOnParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.Time:
            {
              p = new Parameters.TimeParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.DateFormat:
            {
              p = new Parameters.DateFormatParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.HourMode:
            {
              p = new Parameters.HourModeParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.BatteriesGood:
            {
              p = new Parameters.BatteriesGoodParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.AtHomescreen:
            {
              p = new Parameters.AtHomescreenParameter(type, valid, d);
              break;
            }
          case DirectUSB.Parameters.Parameter.ParameterType.ScreenSplit:
            {
              p = new Parameters.ScreenSplitParameter(type, valid, d);
              break;
            }
          default:
            {
              p = new Parameters.Parameter(type, valid, d);
              break;
            }
        }
        _parameters.Add(p);
      }
    }

    #endregion

    #region Public Properties

    public List<Parameters.Parameter> Parameters
    {
      get
      {
        return _parameters;
      }
    }

    #endregion
  }
}