/*******************************************************************************
 * gui/common/RsCollectionDialog.h                                             *
 *                                                                             *
 * Copyright (C) 2011, Retroshare Team <retroshare.project@gmail.com>          *
 *                                                                             *
 * This program is free software: you can redistribute it and/or modify        *
 * it under the terms of the GNU Affero General Public License as              *
 * published by the Free Software Foundation, either version 3 of the          *
 * License, or (at your option) any later version.                             *
 *                                                                             *
 * This program 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 Affero General Public License for more details.                         *
 *                                                                             *
 * You should have received a copy of the GNU Affero General Public License    *
 * along with this program. If not, see <https://www.gnu.org/licenses/>.       *
 *                                                                             *
 *******************************************************************************/

#include "ui_RsCollectionDialog.h"
#include "RsCollection.h"
#include <QFileSystemModel>
#include <QSortFilterProxyModel>

class QCheckBox ;

class RsCollectionDialog: public QDialog
{
	Q_OBJECT

public:
	RsCollectionDialog(const QString& filename
	                   , const std::vector<ColFileInfo> &colFileInfos
	                   , const bool& creation
	                   , const bool& readOnly = false) ;
	virtual ~RsCollectionDialog();

protected:
	bool eventFilter(QObject *obj, QEvent *ev);

private slots:
	void directoryLoaded(QString dirLoaded);
	void updateSizes() ;
	void changeFileName() ;
	void add() ;
	void addRecursive() ;
	void remove() ;
	void chooseDestinationDirectory();
	void setDestinationDirectory();
	void openDestinationDirectoryMenu();
	void processItem(QMap<QString, QString> &dirToAdd
	                 , int &index
                   , ColFileInfo &parent
                   ) ;
	void makeDir() ;
	void fileHashingFinished(QList<HashedFile> hashedFiles) ;
	void itemChanged(QTreeWidgetItem* item,int col) ;
	void updateRemoveDuplicate(bool checked);
	void cancel() ;
	void download() ;
	void save() ;

signals:
	void saveColl(std::vector<ColFileInfo>, QString);

private:
	void processSettings(bool bLoad) ;
	QTreeWidgetItem*  getRootItem();
	bool updateList();
	bool addChild(QTreeWidgetItem *parent, const std::vector<ColFileInfo> &child);
	bool removeItem(QTreeWidgetItem *item, bool &removeOnlyFile) ;
	void addRecursive(bool recursive) ;
	bool addAllChild(QFileInfo &fileInfoParent
	                 , QMap<QString, QString > &dirToAdd
	                 , QStringList &fileToHash
	                 , int &count);
	void saveChild(QTreeWidgetItem *parentItem, ColFileInfo *parentInfo = NULL);

	Ui::RsCollectionDialog ui;
	QString _fileName ;
	const bool _creationMode ;
	const bool _readOnly;
	std::vector<ColFileInfo> _newColFileInfos ;

	QFileSystemModel *_dirModel;
	QSortFilterProxyModel *_tree_proxyModel;
	QItemSelectionModel *_selectionProxy;
	bool _dirLoaded;
	QHash<QString,QString> _listOfFilesAddedInDir;
};