/*  Settings.cpp
 *
 *  Copyright (C) 2016  Jim Evins <evins@snaught.com>
 *
 *  This file is part of gLabels-qt.
 *
 *  gLabels-qt 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 3 of the License, or
 *  (at your option) any later version.
 *
 *  gLabels-qt 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 gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "Settings.h"


#include <QLocale>
#include <QString>
#include <QtDebug>


namespace glabels
{

	//
	// Static data
	//
	Settings* Settings::mInstance = 0;


	Settings::Settings()
	{
		// empty
	}


	void Settings::init()
	{
		if ( mInstance == 0 )
		{
			mInstance = new Settings();
		}
	}


	Settings* Settings::instance()
	{
		init();

		return mInstance;
	}


	Units Settings::units()
	{
		// Guess at a suitable default
		QString defaultIdString;
		if ( QLocale::system().measurementSystem() == QLocale::ImperialSystem )
		{
			defaultIdString = Units(Units::IN).toIdString();
		}
		else
		{
			defaultIdString = Units(Units::MM).toIdString();
		}
	
		mInstance->beginGroup( "Locale" );
		QString idString = mInstance->value( "units", defaultIdString ).toString();
		mInstance->endGroup();

		return Units( idString );
	}


	void Settings::setUnits( const Units& units )
	{
		QString idString = units.toIdString();

		mInstance->beginGroup( "Locale" );
		mInstance->setValue( "units", idString );
		mInstance->endGroup();

		emit mInstance->changed();
	}


	bool Settings::searchIsoPaperSizes()
	{
		// Guess at a suitable default
		bool defaultValue;
		switch (QLocale::system().country())
		{
		case QLocale::UnitedStates:
		case QLocale::Canada:
			defaultValue = false;
			break;

		default:
			defaultValue = true;
			break;
		}
	
		mInstance->beginGroup( "Search" );
		bool returnValue = mInstance->value( "isoPaperSizes", defaultValue ).toBool();
		mInstance->endGroup();

		return returnValue;
	}


	void Settings::setSearchIsoPaperSizes( bool searchIsoPaperSizes )
	{
		mInstance->beginGroup( "Search" );
		mInstance->setValue( "isoPaperSizes", searchIsoPaperSizes );
		mInstance->endGroup();

		emit mInstance->changed();
	}


	bool Settings::searchUsPaperSizes()
	{
		// Guess at a suitable default
		bool defaultValue;
		switch (QLocale::system().country())
		{
		case QLocale::UnitedStates:
		case QLocale::Canada:
			defaultValue = true;
			break;

		default:
			defaultValue = false;
			break;
		}
	
		mInstance->beginGroup( "Search" );
		bool returnValue = mInstance->value( "usPaperSizes", defaultValue ).toBool();
		mInstance->endGroup();

		return returnValue;
	}


	void Settings::setSearchUsPaperSizes( bool searchUsPaperSizes )
	{
		mInstance->beginGroup( "Search" );
		mInstance->setValue( "usPaperSizes", searchUsPaperSizes );
		mInstance->endGroup();

		emit mInstance->changed();
	}


	bool Settings::searchOtherPaperSizes()
	{
		// Guess at a suitable default
		bool defaultValue = true;
	
		mInstance->beginGroup( "Search" );
		bool returnValue = mInstance->value( "otherPaperSizes", defaultValue ).toBool();
		mInstance->endGroup();

		return returnValue;
	}


	void Settings::setSearchOtherPaperSizes( bool searchOtherPaperSizes )
	{
		mInstance->beginGroup( "Search" );
		mInstance->setValue( "otherPaperSizes", searchOtherPaperSizes );
		mInstance->endGroup();

		emit mInstance->changed();
	}


	bool Settings::searchAllCategories()
	{
		// Guess at a suitable default
		bool defaultValue = true;
	
		mInstance->beginGroup( "Search" );
		bool returnValue = mInstance->value( "allCategories", defaultValue ).toBool();
		mInstance->endGroup();

		return returnValue;
	}


	void Settings::setSearchAllCategories( bool searchAllCategories )
	{
		mInstance->beginGroup( "Search" );
		mInstance->setValue( "allCategories", searchAllCategories );
		mInstance->endGroup();

		emit mInstance->changed();
	}


	QStringList Settings::searchCategoryList()
	{
		QStringList defaultList;
	
		mInstance->beginGroup( "Search" );
		QStringList returnList = mInstance->value( "categoryList", defaultList ).toStringList();
		mInstance->endGroup();

		return returnList;
	}


	void Settings::setSearchCategoryList( const QStringList& searchCategoryList )
	{
		mInstance->beginGroup( "Search" );
		mInstance->setValue( "categoryList", searchCategoryList );
		mInstance->endGroup();

		emit mInstance->changed();
	}


	QStringList Settings::recentTemplateList()
	{
		QStringList defaultList;
	
		mInstance->beginGroup( "Recent" );
		QStringList returnList = mInstance->value( "templates", defaultList ).toStringList();
		mInstance->endGroup();

		return returnList;
	}


	void Settings::addToRecentTemplateList( const QString& name )
	{
		mInstance->beginGroup( "Recent" );

		QStringList list = mInstance->value( "templates" ).toStringList();

		list.removeAll( name );
		list.prepend( name );
		while ( list.count() > 10 )
		{
			list.removeLast();
		}

		mInstance->setValue( "templates", list );

		mInstance->endGroup();

		emit mInstance->changed();
	}

}