/***************************************************************************
 *   Copyright (C) 2006-2012 by Thomas Schweitzer                          *
 *   thomas-schweitzer(at)arcor.de                                         *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License version 2.0 as   *
 *   published by the Free Software Foundation.                            *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program in the file LICENSE.GPL; if not, write to the *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#include "UiGuiSystemInfo.h"

#include <tntqstring.h>
#include <tqsysinfo.h>
#include <tntqprocess.h>
#include <tntqfile.h>

UiGuiSystemInfo::UiGuiSystemInfo()
{
}

/*!
    \brief Returns the operating system UiGUI is currently running on as one string.

    The String contains name and version of the os. E.g. Linux Ubuntu 9.04.
 */
TQString UiGuiSystemInfo::getOperatingSystem()
{
	TQString operatingSystemString = "";

#if defined (Q_WS_WIN)
	switch (TQSysInfo::WindowsVersion)
	{
		case TQSysInfo::WV_32s:
		{
			operatingSystemString = "Windows 3.1 with Win 32s";
			break;
		}

		case TQSysInfo::WV_95:
		{
			operatingSystemString = "Windows 95";
			break;
		}

		case TQSysInfo::WV_98:
		{
			operatingSystemString = "Windows 98";
			break;
		}

		case TQSysInfo::WV_Me:
		{
			operatingSystemString = "Windows Me";
			break;
		}

		case TQSysInfo::WV_NT:
		{
			operatingSystemString = "Windows NT (operating system version 4.0)";
			break;
		}

		case TQSysInfo::WV_2000:
		{
			operatingSystemString = "Windows 2000 (operating system version 5.0)";
			break;
		}

		case TQSysInfo::WV_XP:
		{
			operatingSystemString = "Windows XP (operating system version 5.1)";
			break;
		}

		case TQSysInfo::WV_2003:
		{
			operatingSystemString =
			        "Windows Server 2003, Windows Server 2003 R2, Windows Home Server, Windows XP Professional x64 Edition (operating system version 5.2)";
			break;
		}

		case TQSysInfo::WV_VISTA:
		{
			operatingSystemString = "Windows Vista, Windows Server 2008 (operating system version 6.0)";
			break;
		}

		case TQSysInfo::WV_WINDOWS7:
		{
			operatingSystemString = "Windows 7 (operating system version 6.1)";
			break;
		}

		case TQSysInfo::WV_CE:
		{
			operatingSystemString = "Windows CE";
			break;
		}

		case TQSysInfo::WV_CENET:
		{
			operatingSystemString = "Windows CE .NET";
			break;
		}

		case TQSysInfo::WV_CE_5:
		{
			operatingSystemString = "Windows CE 5.x";
			break;
		}

		case TQSysInfo::WV_CE_6:
		{
			operatingSystemString = "Windows CE 6.x";
			break;
		}

		default:
		{
			operatingSystemString = "Unknown Windows operating system.";
			break;
		}
	}
#elif defined (Q_WS_MAC)
	switch (TQSysInfo::MacintoshVersion)
	{
		case TQSysInfo::MV_9:
		{
			operatingSystemString = "Mac OS 9 (unsupported)";
			break;
		}

		case TQSysInfo::MV_10_0:
		{
			operatingSystemString = "Mac OS X 10.0 Cheetah (unsupported)";
			break;
		}

		case TQSysInfo::MV_10_1:
		{
			operatingSystemString = "Mac OS X 10.1 Puma (unsupported)";
			break;
		}

		case TQSysInfo::MV_10_2:
		{
			operatingSystemString = "Mac OS X 10.2 Jaguar (unsupported)";
			break;
		}

		case TQSysInfo::MV_10_3:
		{
			operatingSystemString = "Mac OS X 10.3 Panther";
			break;
		}

		case TQSysInfo::MV_10_4:
		{
			operatingSystemString = "Mac OS X 10.4 Tiger";
			break;
		}

		case TQSysInfo::MV_10_5:
		{
			operatingSystemString = "Mac OS X 10.5 Leopard";
			break;
		}

		case TQSysInfo::MV_10_6:
		{
			operatingSystemString = "Mac OS X 10.6 Snow Leopard";
			break;
		}

		case TQSysInfo::MV_Unknown:
		{
			operatingSystemString = "An unknown and currently unsupported platform";
			break;
		}

		default:
		{
			operatingSystemString = "Unknown Mac operating system.";
			break;
		}
	}
#else
	//TODO: Detect Unix, Linux etc. distro as described on
	// http://www.novell.com/coolsolutions/feature/11251.html
	operatingSystemString = "Linux";
	TQProcess process;

	process.start("uname -s");
	bool     result = process.waitForFinished(1000);
	TQString os     = process.readAllStandardOutput().trimmed();

	process.start("uname -r");
	result = process.waitForFinished(1000);
	TQString rev = process.readAllStandardOutput().trimmed();

	process.start("uname -m");
	result = process.waitForFinished(1000);
	TQString mach = process.readAllStandardOutput().trimmed();

	if (os == "SunOS")
	{
		os = "Solaris";

		process.start("uname -p");
		result = process.waitForFinished(1000);
		TQString arch = process.readAllStandardOutput().trimmed();

		process.start("uname -v");
		result = process.waitForFinished(1000);
		TQString timestamp = process.readAllStandardOutput().trimmed();

		operatingSystemString = os + " " + rev + " (" + arch + " " + timestamp + ")";
	}
	else if (os == "AIX")
	{
		process.start("oslevel -r");
		result = process.waitForFinished(1000);
		TQString oslevel = process.readAllStandardOutput().trimmed();

		operatingSystemString = os + "oslevel " + oslevel;
	}
	else if (os == "Linux")
	{
		TQString dist;
		TQString pseudoname;
		TQString kernel = rev;

		if (TQFile::exists("/etc/redhat-release"))
		{
			dist = "RedHat";

			process.start("sh -c \"cat /etc/redhat-release | sed s/.*\\(// | sed s/\\)//\"");
			result     = process.waitForFinished(1000);
			pseudoname = process.readAllStandardOutput().trimmed();

			process.start("sh -c \"cat /etc/redhat-release | sed s/.*release\\ // | sed s/\\ .*//\"");
			result = process.waitForFinished(1000);
			rev    = process.readAllStandardOutput().trimmed();
		}
		else if (TQFile::exists("/etc/SUSE-release"))
		{
			process.start("sh -c \"cat /etc/SUSE-release | tr '\\n' ' '| sed s/VERSION.*//\"");
			result = process.waitForFinished(1000);
			dist   = process.readAllStandardOutput().trimmed();

			process.start("sh -c \"cat /etc/SUSE-release | tr '\\n' ' ' | sed s/.*=\\ //\"");
			result = process.waitForFinished(1000);
			rev    = process.readAllStandardOutput().trimmed();
		}
		else if (TQFile::exists("/etc/mandrake-release"))
		{
			dist = "Mandrake";

			process.start("sh -c \"cat /etc/mandrake-release | sed s/.*\\(// | sed s/\\)//\"");
			result     = process.waitForFinished(1000);
			pseudoname = process.readAllStandardOutput().trimmed();

			process.start("sh -c \"cat /etc/mandrake-release | sed s/.*release\\ // | sed s/\\ .*//\"");
			result = process.waitForFinished(1000);
			rev    = process.readAllStandardOutput().trimmed();
		}
		else if (TQFile::exists("/etc/lsb-release"))
		{
			dist = "Ubuntu";

			TQString processCall =
			        "sh -c \"cat /etc/lsb-release | tr '\\n' ' ' | sed s/.*DISTRIB_RELEASE=// | sed s/\\ .*//\"";
			process.start(processCall);
			result = process.waitForFinished(1000);
			rev    = process.readAllStandardOutput().trimmed();
			TQString errorStr = process.readAllStandardError();

			process.start(
				"sh -c \"cat /etc/lsb-release | tr '\\n' ' ' | sed s/.*DISTRIB_CODENAME=// | sed s/\\ .*//\"");
			result     = process.waitForFinished(1000);
			pseudoname = process.readAllStandardOutput().trimmed();
		}
		else if (TQFile::exists("/etc/debian_version"))
		{
			dist = "Debian";

			process.start("cat /etc/debian_version");
			result = process.waitForFinished(1000);
			dist  += process.readAllStandardOutput().trimmed();

			rev = "";
		}

		if (TQFile::exists("/etc/UnitedLinux-release"))
		{
			process.start("sh -c \"cat /etc/UnitedLinux-release | tr '\\n' ' ' | sed s/VERSION.*//\"");
			result = process.waitForFinished(1000);
			dist  += process.readAllStandardOutput().trimmed();
		}

		operatingSystemString = os + " " + dist + " " + rev + " (" + pseudoname + " " + kernel + " " +
		        mach + ")";
	}
#endif

	return operatingSystemString;
}