/*

* 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 "btdelegateremotedevname.h"

#include <btsettingmodel.h>

#include <btdevicemodel.h>

#include <e32base.h>

#include <bluetoothuitrace.h>

#include <QRegExp>

#include "btuidevtypemap.h"

BtDelegateRemoteDevName::BtDelegateRemoteDevName(BtSettingModel* settingModel, 

        BtDeviceModel* deviceModel,QObject *parent )

    :BtAbstractDelegate( settingModel, deviceModel, parent ), mRegistryActive(0)

{

}

BtDelegateRemoteDevName::~BtDelegateRemoteDevName()

{

    delete mRegistryActive;

    mSymName.Close();

    mBtRegistry.Close();

    mBtRegServ.Close();

}

/*!

    Validate the bluetooth device name given by the user:

    Extra spaces (' ', '\n', '\t' and '\r') from the beginning, 

    middle and the end of the name are always removed;

    the maximum lengthof a name is 30.

    TODO:Add duplicate name checking. If the new name duplicates 

    existing name in registry, prompt user to change the name

 */

bool BtDelegateRemoteDevName::validateName(QString &name )

{

    // remove spaces at the beginning and end:

    name = name.trimmed();

    // regular expression of one or more consecutive spaces:

    QRegExp rx("[ \n\t\r]+");

    name.replace( rx, " ");

    if (name.length() > 30 ) {

        name.resize( 30 );

    }

    return name.length() > 0;

}

void BtDelegateRemoteDevName::exec( const QVariant &params )

{

    QList<QVariant> paramList = params.value< QList<QVariant> >(); 

    QVariant indexVariant = paramList.at(0); 

    QModelIndex index = indexVariant.value<QModelIndex>();

    QVariant nameVariant = paramList.at(1); 

    QString btRemoteDevName = nameVariant.toString();

    int error = KErrNone;

    validateName(btRemoteDevName);

    mNewName = btRemoteDevName;

    TPtrC ptrName(reinterpret_cast<const TText*>(btRemoteDevName.constData()));

    error = mSymName.Create(ptrName.Length());

    // todo (review comment): missing proper exception handling. 

    if(error == KErrNone) {

        mSymName.Copy(ptrName);

    }

    else{

        emit commandCompleted(error,mNewName);

        return;

    }

    QString strBtAddr = getDeviceModel()->data(index,

           BtDeviceModel::ReadableBdaddrRole).toString();

    TBuf<KBTDevAddrSize * 2> buffer(strBtAddr.utf16());

    mSymaddr.SetReadable( buffer );

    error = mBtRegServ.Connect();

    if ( error != KErrNone && error != KErrAlreadyExists) {

        emit commandCompleted(error,mNewName);

        return;

    }

    error = mBtRegistry.Open( mBtRegServ ) ;

    if ( error != KErrNone && error != KErrAlreadyExists) {

        emit commandCompleted(error,mNewName);

        return;

    }

    if (!mRegistryActive){

        RequestIdentifiers requestId = Unknown;

        TRAP(error, mRegistryActive = CBtSimpleActive::NewL(

                       *this, requestId));

        if(error!=KErrNone) {

            emit commandCompleted(KErrGeneral);

            return;

        }

    }

    //first check if this device is already in the registry

    int majorRole = (getDeviceModel()->data(index,BtDeviceModel::MajorPropertyRole)).toInt();

    int cod = (getDeviceModel()->data(index,BtDeviceModel::CoDRole)).toInt();

    if (!(majorRole & BtuiDevProperty::InRegistry)) {

        CBTDevice *symBtDevice;

        TRAP( error, {

               symBtDevice = CBTDevice::NewL( mSymaddr );

               symBtDevice->SetDeviceClass(cod);

               RequestIdentifiers requestId = AddDevice; 

               mRegistryActive->SetRequestId(requestId);

               mBtRegistry.AddDeviceL(*symBtDevice, mRegistryActive->iStatus);

               mRegistryActive->GoActive();

            });

    }

    else{

        RequestIdentifiers requestId = ModifyFriendlyName; 

        mRegistryActive->SetRequestId(requestId);

        TRAP( error, {

                mBtRegistry.ModifyFriendlyDeviceNameL(mSymaddr, mSymName, mRegistryActive->iStatus);

                mRegistryActive->GoActive();

        });

    }

    if ( error != KErrNone ) {

        emit commandCompleted(error,mNewName);

    }

}

void BtDelegateRemoteDevName::RequestCompletedL( CBtSimpleActive* aActive, TInt aStatus ){

    if(aStatus != KErrNone){

        emit commandCompleted(aStatus, mNewName);

        return;

    }

    int error = KErrNone;

    if ( aActive->RequestId() == AddDevice ){

        RequestIdentifiers requestId = ModifyFriendlyName; 

        mRegistryActive->SetRequestId(requestId);

        TRAP( error, {

                mBtRegistry.ModifyFriendlyDeviceNameL(mSymaddr, mSymName, mRegistryActive->iStatus);

                mRegistryActive->GoActive();

        });

        if(error != KErrNone){

            emit commandCompleted(error, mNewName);

        }

    }

    else if ( aActive->RequestId() == ModifyFriendlyName ){

        emit commandCompleted(error, mNewName);

    }

}

void BtDelegateRemoteDevName::CancelRequest( TInt aRequestId ){

    if ( aRequestId == 1 ){

        mBtRegistry.CancelRequest(mRegistryActive->RequestStatus());

        emit commandCompleted(KErrCancel, mNewName);

    }

}

void BtDelegateRemoteDevName::HandleError( CBtSimpleActive* aActive, TInt aError ){

    //TODO: handle the error here

    Q_UNUSED( aActive );

    Q_UNUSED( aError );

    emit commandCompleted(KErrGeneral,mNewName);

}