/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Boost Software License - Version 1.0 - August 17th, 2003
 *
 * Permission is hereby granted, free of charge, to any person or organization
 * obtaining a copy of the software and accompanying documentation covered by
 * this license (the "Software") to use, reproduce, display, distribute,
 * execute, and transmit the Software, and to prepare derivative works of the
 * Software, and to permit third-parties to whom the Software is furnished to
 * do so, all subject to the following:
 *
 * The copyright notices in the Software and this entire statement, including
 * the above license grant, this restriction and the following disclaimer,
 * must be included in all copies of the Software, in whole or in part, and
 * all derivative works of the Software, unless such copies or derivative
 * works are solely in the form of machine-executable object code generated by
 * a source language processor.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
 * FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 **********************************************************************/

#include <QMessageBox>
#include <QHeaderView>
#include "singleregexp.h"
#include "regexpmatchermanager.h"
#include "regexpmatcherui.h"

namespace LeechCraft
{
namespace Aggregator
{
	RegexpMatcherUi::RegexpMatcherUi (QWidget *parent)
	: QDialog (parent)
	{
		Ui_.setupUi (this);
		Ui_.Regexps_->setModel (&RegexpMatcherManager::Instance ());
	}
	
	RegexpMatcherUi::~RegexpMatcherUi ()
	{
		RegexpMatcherManager::Instance ().Release ();
	}
	
	void RegexpMatcherUi::on_AddRegexpButton__released ()
	{
		bool success = false;
		QString title, body;
		do
		{
			success = true;
			SingleRegexp srx (title, body, false, this);
			if (srx.exec () == QDialog::Rejected)
				return;
	
			title = srx.GetTitle ();
			body = srx.GetBody ();
	
			try
			{
				RegexpMatcherManager::Instance ().Add (title, body);
			}
			catch (const RegexpMatcherManager::AlreadyExists&)
			{
				QMessageBox::critical (this,
						tr ("LeechCraft"),
						tr ("This title "
							"matcher regexp already exists. Specify another "
							"one or modify existing title matcher regexp's "
							"body extractor."));
				success = false;
			}
			catch (const RegexpMatcherManager::Malformed&)
			{
				QMessageBox::critical (this,
						tr ("LeechCraft"),
						tr ("Either title"
							" matcher or body extractor is malformed."));
				success = false;
			}
		}
		while (!success);
	}
	
	void RegexpMatcherUi::on_ModifyRegexpButton__released ()
	{
		QModelIndex index = Ui_.Regexps_->selectionModel ()->currentIndex ();
		if (!index.isValid ())
			return;
	
		bool success = false;
		RegexpMatcherManager::titlebody_t pair = RegexpMatcherManager::Instance ().GetTitleBody (index);
		QString title = pair.first,
				body = pair.second;
		do
		{
			success = true;
			SingleRegexp srx (title, body, true, this);
			if (srx.exec () == QDialog::Rejected)
				return;
	
			body = srx.GetBody ();
	
			try
			{
				RegexpMatcherManager::Instance ().Modify (title, body);
			}
			catch (const RegexpMatcherManager::AlreadyExists&)
			{
				QMessageBox::critical (this,
						tr ("LeechCraft"),
						tr ("This title "
							"matcher regexp already exists. Specify another "
							"one or modify existing title matcher regexp's "
							"body extractor."));
				success = false;
			}
			catch (const RegexpMatcherManager::Malformed&)
			{
				QMessageBox::critical (this,
						tr ("LeechCraft"),
						tr ("Either title"
							" matcher or body extractor is malformed."));
				success = false;
			}
		}
		while (!success);
	}
	
	void RegexpMatcherUi::on_RemoveRegexpButton__released ()
	{
		QModelIndex index = Ui_.Regexps_->selectionModel ()->currentIndex ();
		if (!index.isValid ())
			return;
	
		RegexpMatcherManager::Instance ().Remove (index);
	}
}
}
