/*

* Copyright (c) 2010 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:

*

*/

#include "enginewrapper.h"

#include "engine.h"

#include "FBFileUtils.h"

#include "notifications.h"

#include "filebrowserview.h"

#include "searchview.h"

#include "filebrowsersettings.h"

#include "settingsview.h"

#include <QString>

#include <QFileInfo>

#include <QModelIndex>

// ---------------------------------------------------------------------------

EngineWrapper::EngineWrapper()

    : mEngine(0),

    mFilesFound(),

{

}

// ---------------------------------------------------------------------------

EngineWrapper::~EngineWrapper()

{

    if(mEngine != NULL) {

        TRAP_IGNORE(mEngine->DeActivateEngineL());

        delete mEngine;

    } 

}

// ---------------------------------------------------------------------------

bool EngineWrapper::init()

{

    TRAPD(err, mEngine = CEngine::NewL(this));

    if (err != KErrNone) {

        return false;

    } else {

        TRAP_IGNORE(mEngine->ActivateEngineL());

        mSettings = FileBrowserSettings(&mEngine->Settings());

        return true;

    }

}

// ---------------------------------------------------------------------------

// Functions that are called from UI

// ---------------------------------------------------------------------------

bool EngineWrapper::searchFiles()

{

    TRAPD(err, mEngine->SearchL() );

    if(err != KErrNone) {

        return false;

    }

    else {

        return true;

    }

}

// ---------------------------------------------------------------------------

SearchAttributes EngineWrapper::getFileSearchAttributes()

{

    TSearchAttributes tAttributes = mEngine->GetSearchAttributes();

    SearchAttributes attributes;

    // Convert TSearchAttributes to SearchAttributes 

    attributes.mSearchDir  = QString((QChar*)tAttributes.iSearchDir.Ptr(),tAttributes.iSearchDir.Length());

    attributes.mWildCards  = QString((QChar*)tAttributes.iWildCards.Ptr(),tAttributes.iWildCards.Length()); 

    attributes.mTextInFile = QString((QChar*)tAttributes.iTextInFile.Ptr(),tAttributes.iTextInFile.Length()); 

    attributes.mMinSize    = tAttributes.iMinSize;

    attributes.mMaxSize    = tAttributes.iMaxSize;

    attributes.mRecurse    = tAttributes.iRecurse;

    // TTime to QDate

    TBuf<20> timeString;

    _LIT(KDateString,"%D%M%Y%/0%1%/1%2%/2%3%/3");

    TRAP_IGNORE( tAttributes.iMinDate.FormatL(timeString, KDateString) );

    QString temp = QString::fromUtf16(timeString.Ptr(), timeString.Length());

    temp.replace(QChar('/'), QChar('-'));

    attributes.mMinDate = QDate::fromString(temp, "dd-MM-yyyy");

    TRAP_IGNORE( tAttributes.iMaxDate.FormatL(timeString, KDateString) );

    temp = QString::fromUtf16(timeString.Ptr(), timeString.Length());

    temp.replace(QChar('/'), QChar('-'));

    attributes.mMaxDate = QDate::fromString(temp, "dd-MM-yyyy");

    return attributes;

}

// ---------------------------------------------------------------------------

int EngineWrapper::setFileSearchAttributes(SearchAttributes attributes)

{

    TSearchAttributes tAttributes;

    // Convert SearchAttributes to TSearchAttributes 

    //convert QString to TFilename:

    tAttributes.iSearchDir = TFileName(attributes.mSearchDir.utf16());

    tAttributes.iWildCards = TFileName(attributes.mWildCards.utf16());

    tAttributes.iTextInFile = TFileName(attributes.mTextInFile.utf16());

    tAttributes.iMinSize    = attributes.mMinSize;

    tAttributes.iMaxSize    = attributes.mMaxSize;    

    tAttributes.iRecurse    = attributes.mRecurse;

    // QDate to TTime for both min- and max Date

    QString temp = attributes.mMinDate.toString("yyyy-MM-dd");

    QStringList dateList = temp.split("-");

    int month = dateList[1].toInt() - 1;

    int day = dateList[2].toInt() - 1;

    temp = dateList[0];

    if (month == 0) {

        temp.append("00");

    }

    else {

        temp.append(QString::number(month));

    }

    if (day == 0) {

        temp.append("00");

    }

    else { 

        temp.append(QString::number(day));

    }

    temp.append(":");

    TBuf<24> dateString(temp.utf16());

    tAttributes.iMinDate.Set(dateString);

    temp = attributes.mMaxDate.toString("yyyy-MM-dd");

    dateList = temp.split("-");

    month = dateList[1].toInt() - 1;

    day = dateList[2].toInt() - 1;

    temp = dateList[0];

    if (month == 0) {

        temp.append("00");

    }

    else {

        temp.append(QString::number(month));

    }

    if (day == 0) {

        temp.append("00");

    }

    else { 

        temp.append(QString::number(day));

    }

    temp.append(":");

    dateString.Copy(temp.utf16());

    tAttributes.iMaxDate.Set(dateString);

    mEngine->ChangeAttributes(tAttributes);

    return KErrNone;

}

// ---------------------------------------------------------------------------

SearchResults EngineWrapper::getSearchResults()

{

    TSearchResults tResults = mEngine->SearchResults();

    SearchResults results;

    results.mNumberOfFoundFiles = tResults.iNumberOfFoundFiles;

    CFileEntryList* foundFilesResult = mEngine->FoundFiles();

    if (!mFilesFound.isEmpty()) {

        mFilesFound.clear();

        }

    // copy file names and convert them from TFileName format to QStringList items type

    for (int i = 0; i < foundFilesResult->Count(); i++) {

            mFilesFound.append(

                    QString((QChar*)foundFilesResult->At(i).iFullName.Ptr(), 

                    foundFilesResult->At(i).iFullName.Length()) 

                    );

        }

    results.mFoundFilesList = &mFilesFound;

    return results;

}

// ---------------------------------------------------------------------------

void EngineWrapper::saveSettings(bool aNotifyModules)

{

    return mEngine->SaveSettingsL(aNotifyModules);;

}

// ---------------------------------------------------------------------------

bool EngineWrapper::isDriveListViewActive()

{

    // TODO check return value

    if (mEngine->FileUtils() && mEngine->FileUtils()->IsDriveListViewActive()) {

        return true;

    } else {

        return false;

    }

}

bool EngineWrapper::isCurrentDriveReadOnly()

{

    // TODO check return value

    if (mEngine->FileUtils() && mEngine->FileUtils()->IsCurrentDriveReadOnly()) {

        return true;

    } else {

        return false;

    }

}

bool EngineWrapper::isClipBoardListInUse()

{

    if (mEngine->FileUtils() && mEngine->FileUtils()->ClipBoardList() && mEngine->FileUtils()->ClipBoardList()->Count() != 0)

        return true;

    else

        return false;

}

// ---------------------------------------------------------------------------

void EngineWrapper::startExecutingCommands(const QString &aCommandsExecutionMessage)

{

    TPtrC commandsExecutionMessage(reinterpret_cast<const TText*>(aCommandsExecutionMessage.constData()));

    TRAPD(err, mEngine->FileUtils()->StartExecutingCommandsL(commandsExecutionMessage) );

    Q_UNUSED(err); //TODO

}

// ---------------------------------------------------------------------------

void EngineWrapper::refreshView()

{

    if (mEngine->FileUtils()) {

        TRAPD(err, mEngine->FileUtils()->RefreshViewL() );

        Q_UNUSED(err); //TODO

    }

}

void EngineWrapper::moveUpOneLevel()

{

    if (mEngine->FileUtils()) {

        TRAPD(err, mEngine->FileUtils()->MoveUpOneLevelL() );

        Q_UNUSED(err); //TODO

    }

}

// ---------------------------------------------------------------------------

void EngineWrapper::moveDownToDirectory(const QModelIndex& aIndex)

{

    if (mEngine->FileUtils()) {

        TRAPD(err, mEngine->FileUtils()->MoveDownToDirectoryL(aIndex.row()) );

        Q_UNUSED(err); //TODO

    }

}

// ---------------------------------------------------------------------------

int EngineWrapper::clipboardCut(const QModelIndexList& aSelectionIndices)

{

    TInt operations = 0;

    const CArrayFix<TInt> *selectionIndexes = convertSelectionList(aSelectionIndices);

    if (mEngine->FileUtils()) {

        TRAPD(err, operations = mEngine->FileUtils()->ClipboardCutL(selectionIndexes) );

        Q_UNUSED(err); //TODO

    }

    delete selectionIndexes;

    return operations;

}

// ---------------------------------------------------------------------------

int EngineWrapper::clipboardCopy(const QModelIndexList& aSelectionIndices)

{

    TInt operations = 0;

    const CArrayFix<TInt> *selectionIndexes = convertSelectionList(aSelectionIndices);

    if (mEngine->FileUtils()) {

        TRAPD(err, operations = mEngine->FileUtils()->ClipboardCopyL(selectionIndexes));

        Q_UNUSED(err); //TODO

    }

    delete selectionIndexes;

    return operations;

}

// ---------------------------------------------------------------------------

void EngineWrapper::clipboardPaste(const OverwriteOptions &aOverwriteOptions)

{

    TOverwriteOptions tOverwriteOptions = convertOverwriteOptions(aOverwriteOptions);

    if (mEngine->FileUtils()) {

        TRAPD(err, mEngine->FileUtils()->ClipboardPasteL(tOverwriteOptions));

        Q_UNUSED(err); //TODO

    }

}

// ---------------------------------------------------------------------------

void EngineWrapper::copyToFolder(const QString &aTargetDir, const OverwriteOptions &aOverwriteOptions, bool aMove)

{

    TFileName targetDir = TFileName(aTargetDir.utf16());

    TOverwriteOptions tOverwriteOptions = convertOverwriteOptions(aOverwriteOptions);

    TRAPD(err, mEngine->FileUtils()->CopyToFolderL(targetDir, tOverwriteOptions, aMove ? ETrue : EFalse) );

    Q_UNUSED(err); //TODO

}

// ---------------------------------------------------------------------------

void EngineWrapper::createNewFile(const QString &aNewFileName)

{

    TFileName fileName = TFileName(aNewFileName.utf16());

    TRAPD(err, mEngine->FileUtils()->NewFileL(fileName) );

    Q_UNUSED(err); //TODO

}

// ---------------------------------------------------------------------------

void EngineWrapper::createNewDirectory(const QString &aNewDirectoryName)

{

    TFileName newDirectoryName = TFileName(aNewDirectoryName.utf16());

    TRAPD(err, mEngine->FileUtils()->NewDirectoryL(newDirectoryName) );

    Q_UNUSED(err); //TODO

}

// ---------------------------------------------------------------------------

void EngineWrapper::deleteItems(const QModelIndexList& aSelectionIndices)

{

    setCurrentSelection(aSelectionIndices);

    TRAPD(err, mEngine->FileUtils()->DeleteL() );

    Q_UNUSED(err); //TODO

}

// ---------------------------------------------------------------------------

bool EngineWrapper::selectionHasDirs()

{

    return mEngine->FileUtils()->SelectionHasDirs();

}

// ---------------------------------------------------------------------------

void EngineWrapper::rename(const QModelIndex& aIndex, const QString aNewName)

{

    if (mEngine->FileUtils()) {

        const TFileName newName = TFileName(aNewName.utf16());

        TRAPD(err, mEngine->FileUtils()->RenameL(aIndex.row(), newName) );

        Q_UNUSED(err); //TODO

    }

}

// ---------------------------------------------------------------------------

void EngineWrapper::touch(bool aRecurse)

{

    if (mEngine->FileUtils()) {

        TRAPD(err, mEngine->FileUtils()->TouchL(aRecurse) );

        Q_UNUSED(err); //TODO

    }

}

// ---------------------------------------------------------------------------

void EngineWrapper::properties(const QModelIndex &aCurrentItemIndex, QStringList &aPropertyList, QString &aTitleText)

{

    if (mEngine->FileUtils()) {

        // create an array for the items

        CDesCArray* entryLines = new(ELeave) CDesCArrayFlat(16);

//        CleanupStack::PushL(entryLines);

        TFileName titleText;

        TRAPD(err, mEngine->FileUtils()->PropertiesL(aCurrentItemIndex.row(), entryLines, titleText));

        Q_UNUSED(err); //TODO

        aTitleText = QString::fromUtf16(titleText.Ptr(), titleText.Length());

        QString textItem;

        for (TInt i = 0; i < entryLines->Count(); ++i) {

            textItem = QString::fromUtf16((*entryLines)[i].Ptr(), (*entryLines)[i].Length());

            aPropertyList.append(textItem);

        }

//        CleanupStack::PopAndDestroy(); //entryLines

        delete entryLines;

    }

}

// ---------------------------------------------------------------------------

bool EngineWrapper::openAppArc(QString fileName)

{

    //convert QString to TFilename:

    fileName.replace("/", "\\");

    TFileName fileToOpen = TFileName(fileName.utf16());

    TRAPD(err, mEngine->OpenWithApparcL(fileToOpen) );

    if(err != KErrNone) {

        return false;

    } else {

        return true;

    }

}

// ---------------------------------------------------------------------------

bool EngineWrapper::openDocHandler(QString fileName, bool embeddedVal)

{

    //convert QString to TFilename:

    fileName.replace("/", "\\");

    TFileName fileToOpen = TFileName(fileName.utf16());

    TRAPD(err, mEngine->OpenWithDocHandlerL(fileToOpen, embeddedVal) );

    if(err != KErrNone) {

        return false;

    } else {

        return true;

    }

}

// ---------------------------------------------------------------------------

int EngineWrapper::itemCount() const

{

    if (mEngine->FileUtils()->IsDriveListViewActive()) {

        return mEngine->FileUtils()->DriveEntries()->Count();

    } else {

        return mEngine->FileUtils()->FileEntries()->Count();

    }

}

// ---------------------------------------------------------------------------

DriveEntry EngineWrapper::getDriveEntry(const QModelIndex& aIndex) const

{

    TDriveEntry driveEntry;

    if (mEngine->FileUtils()->DriveEntries()->Count() > aIndex.row() && aIndex.row() >= 0) {

        driveEntry = mEngine->FileUtils()->DriveEntries()->At(aIndex.row());

    }

    return DriveEntry(driveEntry);

}

// ---------------------------------------------------------------------------

FileEntry EngineWrapper::getFileEntry(const QModelIndex& aIndex) const

{

    TFileEntry fileEntry;

    if (mEngine->FileUtils()->FileEntries()->Count() > aIndex.row() && aIndex.row() >= 0) {

        fileEntry = mEngine->FileUtils()->FileEntries()->At(aIndex.row());

    }

    return FileEntry(fileEntry);

}

// ---------------------------------------------------------------------------

const CArrayFix<TInt> *EngineWrapper::convertSelectionList(const QModelIndexList &aSelectionIndices)

{

    CArrayFixFlat<TInt>* selectionIndexes = 0;

    TRAPD(err, selectionIndexes = new(ELeave)CArrayFixFlat<TInt>(4));

    if (err != KErrNone) {

        return 0;

    }

    for (int i=0; i< aSelectionIndices.count(); ++i) {

        TRAPD(err, selectionIndexes->AppendL(aSelectionIndices.at(i).row()) );

        Q_UNUSED(err); //TODO

    }

    return selectionIndexes;

}

// ---------------------------------------------------------------------------

void EngineWrapper::setCurrentSelection(const QModelIndexList &aSelectionIndices)

{

    const CArrayFix<TInt> *selectionIndexes = convertSelectionList(aSelectionIndices);

    mEngine->FileUtils()->SetCurrentSelection(selectionIndexes);

    delete selectionIndexes;

}

// ---------------------------------------------------------------------------

bool EngineWrapper::isDestinationEntriesExists(const QModelIndexList &aSelectionIndices, QString aTargetDir)

{

    TFileName targetDir = TFileName(aTargetDir.utf16());

    setCurrentSelection(aSelectionIndices);

    TBool someEntryExists = mEngine->FileUtils()->IsDestinationEntriesExists(targetDir);

    return someEntryExists;

}

// ---------------------------------------------------------------------------

bool EngineWrapper::targetExists(const QModelIndex& aIndex, const QString aNewName)

{

    const TFileName newName = TFileName(aNewName.utf16());

    return mEngine->FileUtils()->TargetExists(aIndex.row(), newName);

}

// ---------------------------------------------------------------------------

QString EngineWrapper::currentPath() const

{

    return QString::fromUtf16(mEngine->FileUtils()->CurrentPath().Ptr(),

                              mEngine->FileUtils()->CurrentPath().Length());

}

TOverwriteOptions EngineWrapper::convertOverwriteOptions(const OverwriteOptions &aOverwriteOptions)

{

    TOverwriteOptions tOverwriteOptions;

    tOverwriteOptions.iDoFileOperations = aOverwriteOptions.doFileOperations;

    tOverwriteOptions.iQueryIndex = aOverwriteOptions.queryIndex;

    tOverwriteOptions.iPostFix = TFileName(aOverwriteOptions.postFix.utf16());

    tOverwriteOptions.iOverWriteFlags = aOverwriteOptions.overWriteFlags;