/*
 * This file Copyright (C) Mnemosyne LLC
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2
 * as published by the Free Software Foundation.
 *
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 *
 * $Id$
 */

#ifndef OPTIONS_DIALOG_H
#define OPTIONS_DIALOG_H

#include <iostream>

#include <QDialog>
#include <QEvent>
#include <QString>
#include <QDir>
#include <QVector>
#include <QMap>
#include <QPushButton>
#include <QString>
#include <QStringList>
#include <QCryptographicHash>
#include <QFile>
#include <QTimer>
#include <QLineEdit>

#include "add-data.h" // AddData
#include "file-tree.h" // FileList

class FileTreeView;
class Prefs;
class QCheckBox;
class QComboBox;
class Session;

extern "C" { struct tr_variant; };

class FileAdded: public QObject
{
        Q_OBJECT
        const int64_t myTag;
        QString myName;
        QString myDelFile;

    public:
        FileAdded( int tag, const QString& name ): myTag(tag), myName(name) { }
        ~FileAdded( ) { }
        void setFileToDelete( const QString& file ) { myDelFile = file; }

    public slots:
        void executed( int64_t tag, const QString& result, struct tr_variant * arguments );
};

class Options: public QDialog
{
        Q_OBJECT

    public:
        Options( Session& session, const Prefs& prefs, const AddData& addme, QWidget * parent = 0 );
        ~Options( );

    private:
        void reload( );
        void clearInfo( );
        void refreshFileButton( int width=-1 );
        void refreshDestinationButton( int width=-1 );
        void refreshButton( QPushButton *, const QString&, int width=-1 );

    private:
        Session& mySession;
        AddData myAdd;
        QDir myDestination;
        bool myHaveInfo;
        tr_info myInfo;
        FileTreeView * myTree;
        QCheckBox * myStartCheck;
        QCheckBox * myTrashCheck;
        QComboBox * myPriorityCombo;
        QPushButton * myFileButton;
        QPushButton * myDestinationButton;
        QLineEdit * myDestinationEdit;
        QPushButton * myVerifyButton;
        QVector<int> myPriorities;
        QVector<bool> myWanted;
        FileList myFiles;

    private slots:
        void onAccepted( );
        void onPriorityChanged( const QSet<int>& fileIndices, int );
        void onWantedChanged( const QSet<int>& fileIndices, bool );
        void onVerify( );
        void onTimeout( );
        void onFilenameClicked( );
        void onDestinationClicked( );
        void onFilesSelected( const QStringList& );
        void onDestinationsSelected( const QStringList& );

    private:
        bool eventFilter( QObject *, QEvent * );

    private:
        QTimer myVerifyTimer;
        char myVerifyBuf[2048*4];
        QFile myVerifyFile;
        uint64_t myVerifyFilePos;
        int myVerifyFileIndex;
        uint32_t myVerifyPieceIndex;
        uint32_t myVerifyPiecePos;
        void clearVerify( );
        QVector<bool> myVerifyFlags;
        QCryptographicHash myVerifyHash;
        typedef QMap<uint32_t,int32_t> mybins_t;
        mybins_t myVerifyBins;

};

#endif