/*

 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 * 

 * Contributors:

 *     

 * 

 * Description:

 *      The source file of the backup engine implement for win32

 */

#include "FmBkupEngine_p.h"

#include <QThread>

#include "fmbkupcommon.h"

#include "fmbackupsettings.h"

#include "fmrestoresettings.h"

#include "fmdefine.h"

#include <QSettings>

FmBkupEnginePrivate::FmBkupEnginePrivate(FmBkupEngine* bkupEngine): q(bkupEngine), mError( FmErrNone )

{

   mBkupThread = new FmBkupThread( this );

    connect( mBkupThread, SIGNAL( notifyPreparing( bool ) ), this, SLOT( onNotifyPreparing( bool ) ) );

	connect( mBkupThread, SIGNAL( notifyStart( bool, int ) ), this, SLOT( onNotifyStart( bool, int ) ) );

	connect( mBkupThread, SIGNAL( notifyUpdate(int) ), this, SLOT( onNotifyUpdate(int) ) );

	connect( mBkupThread, SIGNAL( notifyFinish(int) ), 

			this, SLOT( onNotifyFinish(int) ) );

	connect( mBkupThread, SIGNAL( notifyMemoryLow(int, int& ) ), this, SLOT( onNotifyMemoryLow(int, int&) ) );

}

FmBkupEnginePrivate::~FmBkupEnginePrivate()

{

}

void FmBkupEnginePrivate::onNotifyPreparing( bool cancelable )

{

    emit notifyPreparing( cancelable );

}

void FmBkupEnginePrivate::onNotifyStart( bool cancelable, int totalCount )

{

    emit notifyStart( cancelable, totalCount );

}

void FmBkupEnginePrivate::onNotifyUpdate( int count )

{

    emit notifyUpdate( count );

}

void FmBkupEnginePrivate::onNotifyFinish( int err )

{

    emit notifyFinish( err );

}

void FmBkupEnginePrivate::onNotifyMemoryLow( int memoryValue, int &userError )

{

    emit notifyMemoryLow( memoryValue, userError );

}

bool FmBkupEnginePrivate::startBackup( QList<FmBkupDrivesAndOperation* > drivesAndOperationList,

QList<FmBkupBackupCategory*> backupCategoryList,QString drive, quint32 content )

{

    mError = mBkupThread->asyncBackup( drivesAndOperationList, backupCategoryList, drive, content );

    return ( mError == FmErrNone );

}

void FmBkupEnginePrivate::cancelBackup()

{

    mBkupThread->stop();

}

int FmBkupEnginePrivate::deleteBackup( QList<FmBkupDrivesAndOperation* > drivesAndOperationList )

{

    mError = FmErrNone;

    selection.clear();

    FmRestoreSettings& rstSettings( *( q->RestoreSettingsL() ) );

    rstSettings.GetSelectionL( selection );

    QSettings settings("Nokia", "FileManager");

    foreach( FmRestoreInfo restoreInfo, selection ) {

        switch( restoreInfo.content() )

        {

        case FmBkupEngineCommon::EFileManagerBackupContentSettings:

            settings.beginGroup("BackupSettings");

            settings.remove( QString( "" ) );

            settings.endGroup();

            break;

        case FmBkupEngineCommon::EFileManagerBackupContentMessages:

            settings.beginGroup("BackupMessages");

            settings.remove( QString( "" ) );

            settings.endGroup();

            break;

        case FmBkupEngineCommon::EFileManagerBackupContentContacts:

            settings.beginGroup("BackupContacts");

            settings.remove( QString( "" ) );

            settings.endGroup();

            break;

        case FmBkupEngineCommon::EFileManagerBackupContentCalendar:

            settings.beginGroup("BackupCalendar");

            settings.remove( QString( "" ) );

            settings.endGroup();

            break;

        case FmBkupEngineCommon::EFileManagerBackupContentBookmarks:

            settings.beginGroup("BackupBookmarks");

            settings.remove( QString( "" ) );

            settings.endGroup();

            break;

        case FmBkupEngineCommon::EFileManagerBackupContentUserFiles:

            settings.beginGroup("BackupUserFiles");

            settings.remove( QString( "" ) );

            settings.endGroup();

            break;

        default:

            break;

        }

    }

    return mError;

}

//    TUint32 FmgrToBkupMask( const TUint32 aFmrgMask );

int FmBkupEnginePrivate::error()

{

    return mError;

}

//

bool FmBkupEnginePrivate::StartRestoreL( QList<FmBkupDrivesAndOperation* > drivesAndOperationList )

{

    selection.clear();

    FmRestoreSettings& rstSettings( *( q->RestoreSettingsL() ) );

    rstSettings.GetSelectionL( selection );

    mError = mBkupThread->asyncRestore( drivesAndOperationList,selection );

    return ( mError == FmErrNone );

}

void FmBkupEnginePrivate::GetRestoreInfoArray( QList<FmBkupDrivesAndOperation* > drivesAndOperationList,

        QList< FmRestoreInfo > &restoreInfoList,

        const int aDrive )

{

    restoreInfoList.clear();

    QString debugString;

    QSettings settings("Nokia", "FileManager");

    QDateTime dateTime;

    settings.beginGroup("BackupSettings");

    quint32 content  = (settings.value("content", 0).toUInt());

    debugString = settings.value( "dateTime").toString();

    dateTime.setTime_t( settings.value( "dateTime" ).toUInt() );

    QString drive = settings.value( "drive" ).toString();

    settings.endGroup();

    if( content != 0 && ( DriverNameToNumber(drive) == aDrive || aDrive < 0 ) )

    {

        FmRestoreInfo restoreInfo( content, dateTime, drive );

        restoreInfoList.push_back( restoreInfo );

    }

    settings.beginGroup("BackupMessages");

    content  = (settings.value("content", 0).toUInt());

    dateTime.setTime_t( settings.value( "dateTime" ).toUInt() );

    drive = settings.value( "drive" ).toString();

    settings.endGroup();

   if( content != 0 && ( DriverNameToNumber(drive) == aDrive || aDrive < 0 ) )

    {

        FmRestoreInfo restoreInfo( content, dateTime, drive );

        restoreInfoList.push_back( restoreInfo );

    }

    settings.beginGroup("BackupContacts");

    content  = (settings.value("content", 0).toUInt());

    dateTime.setTime_t( settings.value( "dateTime" ).toUInt() );

    drive = settings.value( "drive" ).toString();

    settings.endGroup();

    if( content != 0 && ( DriverNameToNumber(drive) == aDrive || aDrive < 0 ) )

    {

        FmRestoreInfo restoreInfo( content, dateTime, drive );

        restoreInfoList.push_back( restoreInfo );

    }

    settings.beginGroup("BackupCalendar");

    content  = (settings.value("content", 0).toUInt());

    dateTime.setTime_t( settings.value( "dateTime" ).toUInt() );

    drive = settings.value( "drive" ).toString();

    settings.endGroup();

    if( content != 0 && ( DriverNameToNumber(drive) == aDrive || aDrive < 0 ) )

    {

        FmRestoreInfo restoreInfo( content, dateTime, drive );

        restoreInfoList.push_back( restoreInfo );

    }

    settings.beginGroup("BackupBookmarks");

    content  = (settings.value("content", 0).toUInt());

    dateTime.setTime_t( settings.value( "dateTime" ).toUInt() );

    drive = settings.value( "drive" ).toString();

    settings.endGroup();

    if( content != 0 && ( DriverNameToNumber(drive) == aDrive || aDrive < 0 ) )

    {

        FmRestoreInfo restoreInfo( content, dateTime, drive );

        restoreInfoList.push_back( restoreInfo );

    }

    settings.beginGroup("BackupUserFiles");

    content  = (settings.value("content", 0).toUInt());

    dateTime.setTime_t( settings.value( "dateTime" ).toUInt() );

    drive = settings.value( "drive" ).toString();

    settings.endGroup();

    if( content != 0 && ( DriverNameToNumber(drive) == aDrive || aDrive < 0 ) )

    {

        FmRestoreInfo restoreInfo( content, dateTime, drive );

        restoreInfoList.push_back( restoreInfo );

    }

}

FmBkupThread::FmBkupThread( QObject *parent ) : QThread( parent ), mRunType( RunTypeNone ), mStop( false )

{

}

FmBkupThread::~FmBkupThread()

{

}

int FmBkupThread::asyncBackup( QList<FmBkupDrivesAndOperation* > drivesAndOperationList,

QList<FmBkupBackupCategory*> backupCategoryList,QString drive, quint32 content )

{

    if( this->isRunning() ){

        return FmErrAlreadyStarted;

    }

    if( drivesAndOperationList.count() == 0 || backupCategoryList.count() == 0 ){

        return FmErrWrongParam;

    }

    mRunType = RunTypeBackup;

    mDrivesAndOperationList.clear();

    mBackupCategoryList.clear();

    foreach( FmBkupDrivesAndOperation* driversAndOperation , drivesAndOperationList ) {

        mDrivesAndOperationList.push_back( driversAndOperation );

    }

    foreach( FmBkupBackupCategory* backupCategory , backupCategoryList ) {

        mBackupCategoryList.push_back( backupCategory );

    }

    mDrive = drive;

    mContent = content;

    start();

    return FmErrNone;

}

int FmBkupThread::asyncRestore( QList<FmBkupDrivesAndOperation* > drivesAndOperationList, QList< FmRestoreInfo > selection )

{

    if( this->isRunning() ) {

        return FmErrAlreadyStarted;

    }

    if( drivesAndOperationList.count() == 0 ){

        return FmErrWrongParam;

    }

    mRunType = RunTypeRestore;

    mDrivesAndOperationList.clear();

    foreach( FmBkupDrivesAndOperation* driversAndOperation , drivesAndOperationList ) {

        mDrivesAndOperationList.push_back( driversAndOperation );

    }

    foreach( FmRestoreInfo info , selection ) {

        mSelection.push_back( info );

    }

    start();

    return FmErrNone;

}

void FmBkupThread::stop()

{

    mStop = true;

}

void FmBkupThread::run()

{

    mStop = false;

    if( mRunType == RunTypeBackup )

    {

        emit notifyPreparing( true );

        this->sleep( 1 );

        emit notifyStart( true, 6 );

        QSettings settings("Nokia", "FileManager");

        if( mContent && FmBkupEngineCommon::EFileManagerBackupContentSettings ) {

            settings.beginGroup("BackupSettings");

            settings.setValue( "content", FmBkupEngineCommon::EFileManagerBackupContentSettings );

            settings.setValue( "dateTime", QDateTime::currentDateTime().toTime_t() );

            settings.setValue( "drive", mDrive );

            settings.endGroup();

            this->msleep( 500 );

            emit notifyUpdate( 1 );

            if( mStop ) {

                emit notifyFinish( FmErrCancel );

                return;

            }

        } 

        if( mContent && FmBkupEngineCommon::EFileManagerBackupContentMessages ) {

            settings.beginGroup("BackupMessages");

            settings.setValue( "content", FmBkupEngineCommon::EFileManagerBackupContentMessages );

            settings.setValue( "dateTime", QDateTime::currentDateTime().toTime_t() );

            settings.setValue( "drive", mDrive );

            settings.endGroup();

            this->msleep( 500 );

            emit notifyUpdate( 2 );

            if( mStop ) {

                emit notifyFinish( FmErrCancel );

                return;

            }

        }

        if ( mContent && FmBkupEngineCommon::EFileManagerBackupContentContacts ) {

            settings.beginGroup("BackupContacts");

            settings.setValue( "content", FmBkupEngineCommon::EFileManagerBackupContentContacts );

            settings.setValue( "dateTime", QDateTime::currentDateTime().toTime_t() );

            settings.setValue( "drive", mDrive );

            settings.endGroup();

            this->msleep( 500 );

            emit notifyUpdate( 3 );

            if( mStop ) {

                emit notifyFinish( FmErrCancel );

                return;

            }

        }

        if ( mContent && FmBkupEngineCommon::EFileManagerBackupContentCalendar ) {

            settings.beginGroup("BackupCalendar");

            settings.setValue( "content", FmBkupEngineCommon::EFileManagerBackupContentCalendar );

            settings.setValue( "dateTime", QDateTime::currentDateTime().toTime_t() );

            settings.setValue( "drive", mDrive );

            settings.endGroup();

            this->msleep( 500 );

            emit notifyUpdate( 4 );

            if( mStop ) {

                emit notifyFinish( FmErrCancel );

                return;

            }

        }

        if ( mContent && FmBkupEngineCommon::EFileManagerBackupContentBookmarks ) {

            settings.beginGroup("BackupBookmarks");

            settings.setValue( "content", FmBkupEngineCommon::EFileManagerBackupContentBookmarks );

            settings.setValue( "dateTime", QDateTime::currentDateTime().toTime_t() );

            settings.setValue( "drive", mDrive );

            settings.endGroup();

            this->msleep( 500 );

            emit notifyUpdate( 5 );

            if( mStop ) {

                emit notifyFinish( FmErrCancel );

                return;

            }

        }

        if ( mContent && FmBkupEngineCommon::EFileManagerBackupContentUserFiles ) {

            settings.beginGroup("BackupUserFiles");

            settings.setValue( "content", FmBkupEngineCommon::EFileManagerBackupContentUserFiles );

            settings.setValue( "dateTime", QDateTime::currentDateTime().toTime_t() );

            settings.setValue( "drive", mDrive );

            settings.endGroup();

            emit notifyUpdate( 6 );

            if( mStop ) {

                emit notifyFinish( FmErrCancel );

                return;

            }

        }

    } else if( mRunType == RunTypeRestore )

    {

        emit notifyPreparing( false );

        this->sleep( 1 );

        emit notifyStart( false, 6 );

        this->msleep( 500 );

        emit notifyUpdate( 1 );

        this->msleep( 500 );

        emit notifyUpdate( 2 );

        this->msleep( 500 );

        emit notifyUpdate( 3 );

        this->msleep( 500 );

        emit notifyUpdate( 4 );

        this->msleep( 500 );

        emit notifyUpdate( 5 );

        this->msleep( 500 );

        emit notifyUpdate( 6 );

        this->msleep( 500 );

    }

    emit notifyFinish( FmErrNone );

}

int FmBkupEnginePrivate::DriverNameToNumber( QString driverName )

{

    int drive = 0;

    drive = driverName[0].toUpper().toAscii() - 'A' + 0/*EDriveA*/;

    return drive;

}

QString FmBkupEnginePrivate::NumberToDriverName( int driver )

{

    QChar driverChar( driver - 0/*EDriveA*/ + 'A' );

    QString driverName = QString( driverChar ) + ':';

    return driverName;

}