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#include "cntsimcontactlocalidfetchrequest.h"
#include "cntsymbiansimengine.h"
#include "cntsimstore.h"
#include <qcontactfetchrequest.h>

CntSimContactLocalIdFetchRequest::CntSimContactLocalIdFetchRequest(CntSymbianSimEngine *engine, QContactLocalIdFetchRequest *req)
    :CntAbstractSimRequest(engine, req)
{
    connect( simStore(), SIGNAL(readComplete(QList<QContact>, QContactManager::Error)),
        this, SLOT(readComplete(QList<QContact>, QContactManager::Error)), Qt::QueuedConnection );
}

CntSimContactLocalIdFetchRequest::~CntSimContactLocalIdFetchRequest()
{
    cancel();
}

void CntSimContactLocalIdFetchRequest::run()
{
    QContactLocalIdFetchRequest *r = req<QContactLocalIdFetchRequest>();
    
    if (!r->isActive())
        return;
    
    // Contacts are fetched starting from index 1, all slots are read
    // since slots may be not filled in a sequence.
    int index = 1;
    int numSlots = simStore()->storeInfo().m_totalEntries;
    
    QContactManager::Error error = QContactManager::NoError;
    if (!simStore()->read(index, numSlots, &error)) {
        QContactManagerEngine::updateContactLocalIdFetchRequest(r, QList<QContactLocalId>(), error, QContactAbstractRequest::FinishedState);
    }
}

void CntSimContactLocalIdFetchRequest::readComplete(QList<QContact> contacts, QContactManager::Error error)    
{
    QContactLocalIdFetchRequest *r = req<QContactLocalIdFetchRequest>();
    
    if (!r->isActive())
        return;
    
    // Sometimes the sim store will return server busy error. All we can do is
    // wait and try again. The error seems to occur if we try to read from the
    // store right after writing some contacts to it.  
    // This was observed with S60 5.0 HW (Tube).
    if (error == QContactManager::UnspecifiedError &&
        simStore()->lastAsyncError() == KErrServerBusy)
    {
        if (waitAndRetry())
            return;
    }    
    
    // Filter & sort results
    QList<QContact> filteredAndSorted;
    for (int i=0; i<contacts.count(); i++) {
        if (engine()->filter(r->filter(), contacts.at(i)))
            QContactManagerEngine::addSorted(&filteredAndSorted, contacts.at(i), r->sorting());
    }

    // Convert to QContactLocalId-list
    QList<QContactLocalId> filteredAndSortedIds;
    for (int i=0; i<filteredAndSorted.count(); i++) {
        filteredAndSortedIds << filteredAndSorted.at(i).localId();
    }
        
    // Complete the request
    QContactManagerEngine::updateContactLocalIdFetchRequest(r, filteredAndSortedIds, error, QContactAbstractRequest::FinishedState);
}