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#include "cntsimstoreprivate.h"

#include "cntsymbiansimtransformerror.h"

#include "cntsimstore.h"

#include "cntsimstoreeventlistener.h"

#include <mmtsy_names.h>

#include <qtcontacts.h>

#include <qcontactchangeset.h>

#include <QDebug>

const TInt KOneSimContactBufferSize = 512;

const TInt KDataClientBuf  = 128;

const TInt KEtsiTonPosition = 0x70;

CntSimStorePrivate* CntSimStorePrivate::NewL(CntSymbianSimEngine &engine, CntSimStore &simStore, const QString &storeName)

{

    CntSimStorePrivate* self = new (ELeave) CntSimStorePrivate(engine, simStore, storeName);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

}

CntSimStorePrivate::CntSimStorePrivate(CntSymbianSimEngine &engine, CntSimStore &simStore, const QString &storeName)

    :CActive(CActive::EPriorityStandard),

     m_state(InactiveState),

     m_engine(engine),

     m_simStore(simStore),

     m_storeName(storeName),

     m_readOnlyAccess(false),

     m_storeInfoPckg(m_storeInfo),

     m_listener(0)

{

    CActiveScheduler::Add(this);

    m_managerUri = engine.managerUri();

}

void CntSimStorePrivate::ConstructL()

{

    TBuf<RMobilePhoneBookStore::KMaxPBIDSize> storeName;

    convertStoreNameL(storeName);

    // SDN store is always read only

    // Open etel server

    User::LeaveIfError(m_etelServer.Connect());

    User::LeaveIfError(m_etelServer.LoadPhoneModule(KMmTsyModuleName));

    // Open etel phone

    RTelServer::TPhoneInfo info;

    User::LeaveIfError(m_etelServer.GetPhoneInfo(0, info));

    User::LeaveIfError(m_etelPhone.Open(m_etelServer, info.iName));

    // open Etel store

    User::LeaveIfError(m_etelStore.Open(m_etelPhone, storeName));

    //check what information can be saved to the Etel store

    TRequestStatus requestStatus;

    m_etelStore.GetInfo(requestStatus, (TDes8&)m_storeInfoPckg);

    User::WaitForRequest(requestStatus);

    PbkPrintToLog(_L("CntSymbianSimEngine::getEtelStoreInfoL() - GetInfo err = %d"),

        requestStatus.Int());

    User::LeaveIfError(requestStatus.Int());

    PbkPrintToLog(_L("CntSymbianSimEngine::getEtelStoreInfoL() - TotalEntries = %d"),

            m_storeInfo.iTotalEntries);

    PbkPrintToLog(_L("CntSymbianSimEngine::getEtelStoreInfoL() - UsedEntries = %d"),

            m_storeInfo.iUsedEntries);

    PbkPrintToLog(_L("CntSymbianSimEngine::getEtelStoreInfoL() - MaxNumLength = %d"),

            m_storeInfo.iMaxNumLength);

    PbkPrintToLog(_L("CntSymbianSimEngine::getEtelStoreInfoL() - MaxTextLength = %d"),

            m_storeInfo.iMaxTextLength);

    m_listener = new (ELeave) CntSimStoreEventListener(m_engine, m_etelStore);

    m_listener->start();

}

CntSimStorePrivate::~CntSimStorePrivate()

{

    Cancel();

    delete m_listener;

    m_etelStore.Close();

    m_etelPhone.Close();

    m_etelServer.Close();

}

void CntSimStorePrivate::convertStoreNameL(TDes &storeName)

{

    if(storeName.MaxLength() < RMobilePhoneBookStore::KMaxPBIDSize) {

        User::Leave(KErrArgument);

    }

    if (m_storeName.isEmpty()) {

        // Default to ADN store

        m_storeName = (QLatin1String) KParameterValueSimStoreNameAdn;

        storeName.Copy(KETelIccAdnPhoneBook);

    } else if (m_storeName == KParameterValueSimStoreNameFdn) {

        storeName.Copy(KETelIccFdnPhoneBook);

    } else if (m_storeName == KParameterValueSimStoreNameAdn) {

        storeName.Copy(KETelIccAdnPhoneBook);

    } else if (m_storeName == KParameterValueSimStoreNameSdn) {

        storeName.Copy(KETelIccSdnPhoneBook);

    }

    // Check that we got a valid store name

    if(storeName.Length() == 0) {

        User::Leave(KErrArgument);

    }

}

bool CntSimStorePrivate::read(int index, int numSlots, QContactManager::Error *error)

{

    if (IsActive()) {

        *error = QContactManager::LockedError;

        return false;

    }

    // start reading

    m_buffer.Zero();

    m_buffer.ReAlloc(KOneSimContactBufferSize*numSlots);

    m_etelStore.Read(iStatus, index, numSlots, m_buffer);

    SetActive();

    m_state = ReadState;

    *error = QContactManager::NoError;

    return true;

}

bool CntSimStorePrivate::write(const QContact &contact, QContactManager::Error *error)

{

    if (IsActive()) {

        *error = QContactManager::LockedError;

        return false;

    }

    // get index

    m_writeIndex = KErrNotFound;

    if (contact.id().managerUri() == m_managerUri &&

        contact.localId() > 0) {

        m_writeIndex = contact.localId();

        // TODO: check that the contact exist in the sim 

    }

    // encode

    m_buffer.Zero();

    m_buffer.ReAlloc(KOneSimContactBufferSize);

    m_convertedContact = QContact(contact);

    TRAPD(err, encodeSimContactL(&m_convertedContact, m_buffer));

    if (err != KErrNone) {

        CntSymbianSimTransformError::transformError(err, error);

        return false;

    }

    // start writing

    m_etelStore.Write(iStatus, m_buffer, m_writeIndex);

    SetActive();

    m_state = WriteState;

    *error = QContactManager::NoError;

    return true;

}

bool CntSimStorePrivate::remove(int index, QContactManager::Error *error)

{

    if (IsActive()) {

        *error = QContactManager::LockedError;

        return false;

    }

    // NOTE:

    // If index points to an empty slot and running in hardware the 

    // delete operation will not return any error.

    m_etelStore.Delete(iStatus, index);

    SetActive();

    m_state = DeleteState;

    *error = QContactManager::NoError;

    return true;

}

bool CntSimStorePrivate::getReservedSlots(QContactManager::Error *error)

{

    if (IsActive()) {

        *error = QContactManager::LockedError;

        return false;

    }

    // start reading

    m_buffer.Zero();

    m_buffer.ReAlloc(KOneSimContactBufferSize*m_storeInfo.iTotalEntries);

    m_etelStore.Read(iStatus, 1, m_storeInfo.iTotalEntries, m_buffer);

    SetActive();

    m_state = ReadReservedSlotsState;

    *error = QContactManager::NoError;

    return true;  

}

void CntSimStorePrivate::DoCancel()

{

    if (m_state == ReadState)

        m_etelStore.CancelAsyncRequest(EMobilePhoneStoreRead);

    if (m_state == WriteState)

        m_etelStore.CancelAsyncRequest(EMobilePhoneStoreWrite);

    if (m_state == DeleteState)

        m_etelStore.CancelAsyncRequest(EMobilePhoneStoreDelete);

    if (m_state == ReadReservedSlotsState)

        m_etelStore.CancelAsyncRequest(EMobilePhoneStoreRead);

    m_state = InactiveState;

}

void CntSimStorePrivate::RunL()

{

    //qDebug() << "CntSimStorePrivate::RunL()" << m_state << iStatus.Int();

    m_asyncError = iStatus.Int();

    User::LeaveIfError(iStatus.Int());

    // NOTE: It is assumed that emitting signals is queued

    switch (m_state)

    {

        case ReadState:

        {

            QList<QContact> contacts = decodeSimContactsL(m_buffer);

            // set sync target

            QList<QContact>::iterator i;

            for (i = contacts.begin(); i != contacts.end(); ++i) {

                QContactSyncTarget syncTarget;

                syncTarget.setSyncTarget(KSimSyncTarget);

                i->saveDetail(&syncTarget);

            }

            emit m_simStore.readComplete(contacts, QContactManager::NoError);

        }

        break;

        case WriteState:

        {

            // save id

            QContactId contactId;

            contactId.setLocalId(m_writeIndex);

            contactId.setManagerUri(m_managerUri);

            m_convertedContact.setId(contactId);  

            // set sync target

            if(m_convertedContact.detail(QContactSyncTarget::DefinitionName).isEmpty()) {

                QContactSyncTarget syncTarget = m_convertedContact.detail(QContactSyncTarget::DefinitionName);

                syncTarget.setSyncTarget(KSimSyncTarget);

                m_convertedContact.saveDetail(&syncTarget);

            }

            emit m_simStore.writeComplete(m_convertedContact, QContactManager::NoError);

        }

        break;

        case DeleteState:

        {

            emit m_simStore.removeComplete(QContactManager::NoError);

        }

        break;

        case ReadReservedSlotsState:

        {

            QList<int> reservedSlots = decodeReservedSlotsL(m_buffer);

            emit m_simStore.getReservedSlotsComplete(reservedSlots, QContactManager::NoError);

        }

        break;

        default:

        {

            User::Leave(KErrUnknown);

        }

        break;

    }

    m_state = InactiveState;

}

TInt CntSimStorePrivate::RunError(TInt aError)

{

    QContactManager::Error qtError = QContactManager::NoError;

    CntSymbianSimTransformError::transformError(aError, &qtError);

    // NOTE: It is assumed that emitting signals is queued

    if (m_state == ReadState) 

        emit m_simStore.readComplete(QList<QContact>(), qtError);            

    else if (m_state == WriteState)

        emit m_simStore.writeComplete(m_convertedContact, qtError);  

     else if (m_state == DeleteState)

        emit m_simStore.removeComplete(qtError);

    else if (m_state == ReadReservedSlotsState)

        emit m_simStore.getReservedSlotsComplete(QList<int>(), qtError);

    m_state = InactiveState;

    return KErrNone;

}

/*! Parses SIM contacts in TLV format.

 *

 * \param rawData SIM contacts in TLV format.

 * \return List of contacts.

*/

QList<QContact> CntSimStorePrivate::decodeSimContactsL(TDes8& rawData) const

{

    PbkPrintToLog(_L("CntSymbianSimEngine::decodeSimContactsL() - IN"));

    QList<QContact> fetchedContacts;

    QContact currentContact;

    TBuf16<KDataClientBuf> buffer;

    TPtrC16 bufPtr(buffer);

    TUint8 tagValue(0);

    CPhoneBookBuffer::TPhBkTagType dataType;

    bool isAdditionalNumber = false;

    CPhoneBookBuffer* pbBuffer = new(ELeave) CPhoneBookBuffer();

    CleanupStack::PushL(pbBuffer);

    pbBuffer->Set(&rawData);

    pbBuffer->StartRead();

    while (pbBuffer->GetTagAndType(tagValue, dataType) == KErrNone) {

        switch (tagValue)

        {

            case RMobilePhoneBookStore::ETagPBAdnIndex:

            {

                //save contact's id (SIM card index) and manager's name

                TUint16  index;

                if (pbBuffer->GetValue(index) == KErrNone) {

                    QScopedPointer<QContactId> contactId(new QContactId());

                    contactId->setLocalId(index);

                    contactId->setManagerUri(m_managerUri);

                    currentContact.setId(*contactId);

                }

                isAdditionalNumber = false;

                break;

            }

            case RMobilePhoneBookStore::ETagPBTonNpi:

            {

                // Note, that TON info can be incorporated into the phone number by Etel

                // implementation (TSY). E.g. this is the case with Nokia TSY.

                // Here general case is implemented.

                // Check number type, we are only interested if it's international or not.

                // We assume here that ETagPBTonNpi always comes after ETagPBNumber, not before.

                TUint8  tonNpi;

                if (pbBuffer->GetValue(tonNpi) == KErrNone) {

                    TUint8  intFlag = (tonNpi & KEtsiTonPosition) >> 4;

                    if (intFlag == 1) {

                        //international number format, append "+" to the last

                        //saved number

                        QList<QContactDetail> phoneNumbers = currentContact.details(

                                QContactPhoneNumber::DefinitionName);

                        if (phoneNumbers.count() > 0) {

                            QContactPhoneNumber lastNumber = static_cast<QContactPhoneNumber>(

                                phoneNumbers.at(phoneNumbers.count() - 1));

                            QString number = lastNumber.number();

                            number.insert(0, "+");

                            lastNumber.setNumber(number);

                            if (m_readOnlyAccess)

                                m_engine.setReadOnlyAccessConstraint(&lastNumber);

                            currentContact.saveDetail(&lastNumber);

                        }

                    }

                }

                // We have rearched to the end of the number,

                // invalidate additional number flag.

                isAdditionalNumber = false;

                break;

            }

            case RMobilePhoneBookStore::ETagPBText:

            {

                if (pbBuffer->GetValue(bufPtr) == KErrNone) {

                    if (isAdditionalNumber) {

                        // For additional number bufPtr contains number alpha string,

                        // this is ignored currently

                    }

                    else {

                        // Contact name otherwise

                        QContactName name;

                        QString nameString = QString::fromUtf16(bufPtr.Ptr(), bufPtr.Length());

                        name.setCustomLabel(nameString);

                        if (m_readOnlyAccess)

                        currentContact.saveDetail(&name);

                        QContactManager::Error error(QContactManager::NoError);

                        m_engine.setContactDisplayLabel(&currentContact, m_engine.synthesizedDisplayLabel(currentContact, &error));

                    }

                }

                break;

            }

            case RMobilePhoneBookStore::ETagPBSecondName:

            {

                if (pbBuffer->GetValue(bufPtr) == KErrNone) {

                    QContactNickname nickName;

                    QString name = QString::fromUtf16(bufPtr.Ptr(), bufPtr.Length());

                    nickName.setNickname(name);

                    if (m_readOnlyAccess)

                        m_engine.setReadOnlyAccessConstraint(&nickName);                    

                    currentContact.saveDetail(&nickName);

                }

                break;

            }

            case RMobilePhoneBookStore::ETagPBNumber:

            {

                if (pbBuffer->GetValue(bufPtr) == KErrNone) {

                    QContactPhoneNumber phoneNumber;

                    QString number = QString::fromUtf16(bufPtr.Ptr(), bufPtr.Length());

                    phoneNumber.setNumber(number);

                    if (m_readOnlyAccess)

                        m_engine.setReadOnlyAccessConstraint(&phoneNumber);                    

                    currentContact.saveDetail(&phoneNumber);

                }

                break;

            }

            case RMobilePhoneBookStore::ETagPBAnrStart:

            {

                // This tag should precede every additional number entry

                isAdditionalNumber = true;

                break;

            }

            case RMobilePhoneBookStore::ETagPBEmailAddress:

            {

                if (pbBuffer->GetValue(bufPtr) == KErrNone) {

                    QContactEmailAddress email;

                    QString emailAddress = QString::fromUtf16(bufPtr.Ptr(), bufPtr.Length());

                    email.setEmailAddress(emailAddress);

                    if (m_readOnlyAccess)

                        m_engine.setReadOnlyAccessConstraint(&email);                    

                    currentContact.saveDetail(&email);

                }

                break;

            }

            case RMobilePhoneBookStore::ETagPBNewEntry:

            {

                // This signals the end of the entry and is a special case

                // which will be handled below.

                break;

            }

            default:

            {

                // An unsupported field type - just skip this value

                pbBuffer->SkipValue(dataType);

                break;

            }

        } //switch

        // save contact to the array of contact to be returned if the whole entry was extracted

        if ((tagValue == RMobilePhoneBookStore::ETagPBNewEntry && currentContact.localId() > 0) ||