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

namespace DirectUSB
{
  public class VariableInformation
  {
    #region Declarations

    private string _variableName;
    private List<Attributes.Attribute> _attributes;

    public enum VarType : ulong
    {
      Real = 0x00,
      List = 0x01,
      Matrix = 0x02,
      YVar = 0x03,
      String = 0x04,
      Program = 0x05,
      ProtectedProgram = 0x06,
      Picture = 0x07,
      GDB = 0x08,
      WindowSettings1 = 0x09,
      Complex = 0x10,
      ComplexList = 0x11,
      WindowSettings2 = 0x0F,
      SavedWindowSettings = 0x10,
      TableSetup = 0x11,
      Backup = 0x13,
      AppVar = 0x15,
      Group = 0x17,
      OS = 0x23,
      FlashApp = 0x24,
      IDList = 0x26,
      Certificate = 0x27,
      Clock = 0x29
    };

    #endregion

    #region Constructors / Teardown

    public VariableInformation(string name, List<Attributes.Attribute> attributes)
    {
      _variableName = name;
      _attributes = attributes;
    }

    #endregion

    #region Public Properties

    public string VariableName
    {
      get
      {
        return _variableName;
      }
    }

    public List<Attributes.Attribute> Attributes
    {
      get
      {
        return _attributes;
      }
    }

    public ulong? VariableType
    {
      get
      {
        ulong? ret = null;

        foreach (var attrib in _attributes)
        {
          if (attrib.Type == DirectUSB.Attributes.Attribute.AttributeType.VariableType)
          {
            ret = ((DirectUSB.Attributes.VariableTypeAttribute)attrib).VariableType;
            break;
          }
        }

        return ret;
      }
    }

    public string TypeDescription
    {
      get
      {
        string ret;

        if (!this.VariableType.HasValue)
        {
          ret = "Unknown";
        }
        else
        {
          if (Enum.IsDefined(typeof(VarType), this.VariableType))
          {
            ret = Enum.GetName(typeof(VarType), this.VariableType);
          }
          else
          {
            ret = "Unknown: " + this.VariableType.Value.ToString("X2");
          }
        }

        return ret;
      }
    }

    public ulong? RawVariableType
    {
      get
      {
        ulong? ret = null;

        foreach (var attrib in _attributes)
        {
          if (attrib.Type == DirectUSB.Attributes.Attribute.AttributeType.VariableType)
          {
            ret = ((DirectUSB.Attributes.VariableTypeAttribute)attrib).RawVariableType;
            break;
          }
        }

        return ret;
      }
    }

    #endregion
  }
}