/**********************************************************************
 * 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.
 **********************************************************************/

#pragma once

#include <QObject>
#include <QHash>
#include <QModelIndex>
#include "interfaces/azoth/itransfermanager.h"

class QStandardItemModel;
class QStandardItem;
class QAbstractItemModel;
class QToolBar;
class QUrl;

namespace LC
{
namespace Azoth
{
	class ICLEntry;
	class AvatarsManager;

	class TransferJobManager : public QObject
	{
		Q_OBJECT

		AvatarsManager * const AvatarsMgr_;

		QStandardItemModel * const SummaryModel_;

		enum ModelRoles
		{
			MRJobObject = Qt::UserRole + 1
		};

		typedef QHash<QObject*, QStandardItem*> ObjectDictionary_t;
		ObjectDictionary_t Object2Status_;
		ObjectDictionary_t Object2Progress_;

		QHash<QString, QObjectList> Entry2Incoming_;
		QHash<ITransferJob*, QString> Job2SavePath_;

		QPersistentModelIndex Selected_;
		QToolBar * const ReprBar_;
	public:
		TransferJobManager (AvatarsManager*, QObject* = nullptr);

		void AddAccountManager (QObject*);
		QObjectList GetPendingIncomingJobsFor (const QString&);

		void SelectionChanged (const QModelIndex&);

		void HandleJob (QObject*);
		void AcceptJob (QObject*, QString);
		void DenyJob (QObject*);
		QAbstractItemModel* GetSummaryModel () const;

		bool OfferURLs (ICLEntry *entry, QList<QUrl> urls);
	private:
		QString CheckSavePath (QString);
		void HandleDeoffer (QObject*);

		void HandleTaskFinished (ITransferJob*);
	private slots:
		void handleFileOffered (QObject*);
		void handleXferError (TransferError, const QString&);
		void handleStateChanged (TransferState);
		void handleXferProgress (qint64, qint64);
		void handleAbortAction ();
	signals:
		void jobNoLongerOffered (QObject*);
	};
}
}
