#include "options.h"

#include <iostream>

#include <QApplication>

using namespace std;

Option::Option()

{

	name="";

	sName="";

	lName="";

	type=Switch;

	sarg="";

	active=false;

}

Option::Option (const QString &n, const Type &t, const QString &s, const QString &l)

{

	sName="-"+s;

	lName="--"+l;

	type=t;

	name=n;

}

void Option::set(const QString &n, const Type &t, const QString &s, const QString &l)

{

	sName="-"+s;

	lName="--"+l;

	type=t;

	name=n;

}

QString Option::getName () { return name; }

QString Option::getShort () { return sName; }

QString Option::getLong() { return lName; }

Option::Type Option::getType() { return type; }

void Option::setArg(const QString& s) { sarg=s; }

QString Option::getArg() { return sarg; }	

void Option::setActive() { active=true; }	

bool Option::isActive() { return active; }

///////////////////////////////////////////////////////////////

Options::Options() {}	

int Options::parse()

{

	QStringList arglist;

	int i=0;

	while ( i < qApp->argc())

	{	

		arglist.append (qApp->argv()[i]);

		i++;

	}

	// Get program name

	progname=arglist.first();

	arglist.pop_front();

	// Work through rest of options

	bool isFile;

	for (i=0; i< arglist.size(); ++i)

	{

		isFile=true;

		if (arglist[i].left(1)=="-")

		{

			// Compare given option to all defined options

			for (int j=0; j < optlist.size(); ++j)

			{

				if (arglist.at(i)==optlist.value(j).getShort() || 

					arglist.at(i)==optlist.value(j).getLong())

				{	

					optlist[j].setActive();

					isFile=false;

					if (optlist[j].getType()==Option::String)

					{

						i++;

						if (i==arglist.size())

						{

							qWarning ("Error: argument to option missing");

							return 1;

						}

						optlist[j].setArg (arglist[i]);

						isFile=false;

					}

					break;

				} 

			}

			if (isFile)

			{

				qWarning("Error: Unknown argument ");

				return 1;

			}

		} else

			filelist.append (arglist[i]);

	}

	return 0;

}

void Options::add (Option o)

{

	optlist.append (o);

}

void Options::add (const QString &n, const Option::Type &t=Option::Switch, const QString &s="", const QString &l="")

{

	Option o;

	o.set (n,t,s,l);

	optlist.append (o);

}

void Options::setHelpText (const QString &s)

{

	helptext=s;

}

QString Options::getHelpText ()

{

	return helptext;

}

QString Options::getProgramName()

{

	return progname;

}

QStringList Options::getFileList ()

{

	return filelist;

}

bool Options::isOn(const QString &s)

{

	for (int i=0; i<optlist.size(); ++i)

		if (optlist[i].getName()==s && optlist[i].isActive() )

			return true;

	return false;

}

QString Options::getArg(const QString &s)

{

	for (int i=0; i<optlist.size(); ++i)

		if (optlist[i].getName()==s) return optlist[i].getArg();

	return QString();

}