/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2013  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.
 **********************************************************************/

#ifndef PLUGINS_SEEKTHRU_SEARCHHANDLER_H
#define PLUGINS_SEEKTHRU_SEARCHHANDLER_H
#include <memory>
#include <QAbstractItemModel>
#include <QUrl>
#include <interfaces/ifinder.h>
#include <interfaces/structures.h>
#include "description.h"

class QToolBar;
class QAction;

namespace LeechCraft
{
	namespace Util
	{
		class SelectableBrowser;
	};

	namespace Plugins
	{
		namespace SeekThru
		{
			/** This class performs search on a single category with a single search
			 * provider.
			 */
			class SearchHandler : public QAbstractItemModel
			{
				Q_OBJECT

				static const QString OS_;

				Description D_;

				QString SearchString_;
				struct Result
				{
					enum Type
					{
						TypeRSS,
						TypeAtom,
						TypeHTML
					};

					Type Type_;
					int TotalResults_;
					int StartIndex_;
					int ItemsPerPage_;
					QString Response_;
					QString Filename_;
					QUrl RequestURL_;
				};

				QList<Result> Results_;
				QMap<int, Result> Jobs_;
				QList<QObject*> Downloaders_;
				std::shared_ptr<Util::SelectableBrowser> Viewer_;
				std::shared_ptr<QToolBar> Toolbar_;
				std::shared_ptr<QAction> Action_;
			public:
				SearchHandler (const Description&);

				virtual int columnCount (const QModelIndex& = QModelIndex ()) const;
				virtual QVariant data (const QModelIndex&, int = Qt::DisplayRole) const;
				virtual Qt::ItemFlags flags (const QModelIndex&) const;
				virtual QVariant headerData (int, Qt::Orientation, int = Qt::DisplayRole) const;
				virtual QModelIndex index (int, int, const QModelIndex& = QModelIndex()) const;
				virtual QModelIndex parent (const QModelIndex&) const;
				virtual int rowCount (const QModelIndex& = QModelIndex ()) const;

				void Start (const LeechCraft::Request&);
			private slots:
				void handleJobFinished (int);
				void handleJobError (int);
				void subscribe ();
			private:
				void HandleProvider (QObject*);
			signals:
				void delegateEntity (const LeechCraft::Entity&,
						int*, QObject**);
				void gotEntity (const LeechCraft::Entity&);
				void error (const QString&);
				void warning (const QString&);
			};

			typedef std::shared_ptr<SearchHandler> SearchHandler_ptr;
		};
	};
};

#endif

