/***************************************************************************
 *   Copyright (C) 2005 by Ian Reinhart Geiser                             *
 *   geiseri@sourcextreme.com                                              *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   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; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#include <QApplication>
#include <QSettings>
#include <QtGui/QFileOpenEvent>

#include <mainwindow.h>
#include <qdebug.h>

/**
* Register on win32:
HKEY_CLASSES_ROOT\.dhw = "ACECAD.DigitalHandwriting"
HKEY_CLASSES_ROOT\ACECAD.DigitalHandwriting = "Digital Handwriting File"
HKEY_CLASSES_ROOT\ACECAD.DigitalHandwriting\DefaultIcon = "C:\\Program Files\\SourceXtreme\\DHWViewer\\DHWViewer.exe,0"
HKEY_CLASSES_ROOT\ACECAD.DigitalHandwriting\shell\open = "Open with DHWViewer"
HKEY_CLASSES_ROOT\ACECAD.DigitalHandwriting\shell\open\command ="C:\\Program Files\\SourceXtreme\\DHWViewer\\DHWViewer.exe \"%1\""
*/

void registerDWHPageViewer( const QString &installPath )
{
        QSettings settings( "HKEY_CLASSES_ROOT\\", QSettings::NativeFormat);
	settings.setValue( ".dhw", "ACECAD.DigitalHandwriting" );
	settings.setValue( "ACECAD.DigitalHandwriting", "Digital Handwriting File" );
	settings.setValue( "ACECAD.DigitalHandwriting\\DefaultIcon", installPath + ",0" );
	settings.setValue( "ACECAD.DigitalHandwriting\\shell\\open", "Open with DWH Page Viewer..." );
	settings.setValue( "ACECAD.DigitalHandwriting\\shell\\open\\command", installPath + " \"%1\"" );
}

#include <QMap>
#include <QVariant>

class Arguments
{
public:
	Arguments( const QStringList &args );
	QVariant operator[]( const QString &param ) const;
	QStringList files() const;

private:
	QMap<QString,QVariant> m_params;
	QStringList m_files;
};

Arguments::Arguments( const QStringList &args )
{
	QRegExp spliter("^-{1,2}|^/|=|:");
	QRegExp remover("^['\"]?(.*)['\"]?$");
	QString parameter;
	QStringList parts;
	if( args.size() == 2 )
	{
		m_files << args[1];
	}
	else
	{
		foreach(QString arg, args)
		{
			parts = arg.split(spliter);

			switch(parts.size())
			{
					case 1:
				if(!parameter.isEmpty())
				{
					if(!m_params.contains(parameter))
					{
						parts[0] = parts[0].replace(remover, "\\1");
						m_params[parameter] = parts[0];
					}
					parameter.clear();
				}
				else
					m_files << parts[0];
				break;
			case 2:
				if(!parameter.isEmpty())
				{
					if(!m_params.contains(parameter))
						m_params[parameter] = true;
				}
				parameter=parts[1];
				break;
			case 3:
				if(!parameter.isEmpty())
				{
					if(!m_params.contains(parameter))
						m_params[parameter] = true;
				}

				parameter = parts[1];
				if(!m_params.contains(parameter))
				{
					parts[2] = parts[2].replace(remover, "\\1");
					m_params[parameter] = parts[2];
				}

				parameter.clear();
				break;
			}
		}
	}
//	qDebug() << args << m_params << m_files;
}

QVariant Arguments::operator[]( const QString &param ) const
{
	return m_params[param];
}

QStringList Arguments::files( ) const
{
	return m_files;
}

class MyApplication : public QApplication
{
public:
	MyApplication(int argc, char **argv) :
		QApplication(argc,argv)
	{
		QCoreApplication::setOrganizationName("SourceXtreme");
		QCoreApplication::setOrganizationDomain("sourcextreme.com");
		QCoreApplication::setApplicationName("DHWPageViewer");
		win = new MainWindow;
		win->show();
	}

	~MyApplication()
	{
		delete win;
	}

	void handleOpenFile()
	{
		Arguments args( arguments() );
		if( args.files().isEmpty() )
			return;
		QString fileName = args.files().last();
		if( fileName.endsWith("dhw", Qt::CaseInsensitive) )
			win->openFile(fileName);
	}

	bool event(QEvent *ev)
	{
		bool handled = false;
		if( ev->type() == QEvent::FileOpen )
		{
			win->openFile(static_cast<QFileOpenEvent *>(ev)->file());
			handled = true;
		}
		else
			handled = QApplication::event(ev);
		return handled;
	}

	MainWindow *win;
};

int main( int argc, char **argv )
{
	MyApplication app(argc,argv);
	app.handleOpenFile();
	return app.exec();
}