//------------------------------------------------------------------------------
// 
// System.OperatingSystem.cs 
//
// Copyright (C) 2001 Moonlight Enterprises, All Rights Reserved
// 
// Author:         Jim Richardson, develop@wtfo-guru.com
// Created:        Saturday, August 11, 2001 
//
//------------------------------------------------------------------------------

using System;
using System.Globalization;

namespace System
{
	/// <summary>
	/// Class representing a specific operating system version for a specific platform
	/// </summary>
	[Serializable]
	public sealed class OperatingSystem : ICloneable
	{
		private System.PlatformID itsPlatform;
		private Version itsVersion;

		public OperatingSystem(PlatformID platform, Version version)
		{
			if(version == null)
			{
				throw new ArgumentNullException();
			}
			
			itsPlatform = platform;
			itsVersion = version;
		}

		/// <summary>
		/// Get the PlatformID
		/// </summary>
		public PlatformID Platform
		{
			get
			{
				return itsPlatform;
			}
		}

		/// <summary>
		/// Gets the version object
		/// </summary>
		public Version Version
		{
			get
			{
				return itsVersion;
			}
		}

		/// <summary>
		/// Return a clone of this object
		/// </summary>
		public object Clone()
		{
			return new OperatingSystem(itsPlatform, itsVersion);
		}

		/// <summary>
		/// Return a string reprentation of this instance
		/// </summary>
		public override string ToString()
		{
			string str;
			
			switch((int) itsPlatform)
			{
			case (int) System.PlatformID.Win32NT: str = "Microsoft Windows NT"; break;
			case (int) System.PlatformID.Win32S: str = "Microsoft Win32S";  break;
			case (int) System.PlatformID.Win32Windows: str = "Microsoft Windows 98"; break;
			case 128 /* PlatformID.Unix */: str = "Unix"; break;
			default: str = Locale.GetText ("<unknown>"); break;
			}

			return str + " " + itsVersion.ToString();
		}
	}
}