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#include "qtrackerrelationshipfetchrequest.h"

#include <QtTracker/Tracker>
using namespace SopranoLive;


// TODO better error handling when saving
QTrackerRelationshipFetchRequest::QTrackerRelationshipFetchRequest(QContactAbstractRequest* req, QContactManagerEngine* parent)
: QObject(parent), QTrackerContactAsyncRequest(req)
{
    Q_ASSERT(req);
    Q_ASSERT(req->type() == QContactAbstractRequest::RelationshipFetchRequest);
    Q_ASSERT(parent);

    QContactRelationshipFetchRequest* r = qobject_cast<QContactRelationshipFetchRequest*>(req);

    if( !r )
    {
        QContactManagerEngine::updateRelationshipFetchRequest(r, QList<QContactRelationship>(), QContactManager::UnspecifiedError, QContactAbstractRequest::FinishedState);
        return;
    }
    if (not r->relationshipType().isEmpty() && QContactRelationship::IsSameAs != r->relationshipType())
    {
        QContactManagerEngine::updateRelationshipFetchRequest(r, r->relationships(), QContactManager::NotSupportedError, QContactAbstractRequest::FinishedState);
        return;
    }
    QList<QContactManager::Error> dummy;
    QContactManagerEngine::updateRequestState(req, QContactAbstractRequest::ActiveState);

    RDFVariable RDFContact = RDFVariable::fromType<nco::PersonContact>();
    RDFVariable RDFContactThis = RDFVariable::fromType<nco::PersonContact>();

    RDFVariable RDFMetacontact;

    RDFContact.property<nco::metacontact>() = RDFMetacontact;
    RDFContactThis.property<nco::metacontact>() = RDFMetacontact;
    RDFVariable contactIdThis = RDFContactThis.property<nco::contactUID>();

    contactIdThis.equal(LiteralValue(QString::number(r->first().localId())));


    RDFSelect quer;
    quer.addColumn("contact_id", RDFContact.property<nco::contactUID>());
    quer.addColumn("contactthis_id", contactIdThis);
    query = ::tracker()->modelQuery(quer);

    QObject::connect(query.model(), SIGNAL(modelUpdated()), this, SLOT(modelUpdated()));

}

QTrackerRelationshipFetchRequest::~QTrackerRelationshipFetchRequest()
{
}

void QTrackerRelationshipFetchRequest::modelUpdated()
{
    QContactManagerEngine *engine = qobject_cast<QContactManagerEngine *> (parent());
    QContactRelationshipFetchRequest* r = qobject_cast<QContactRelationshipFetchRequest*>(req);
    if( !engine )
    {
        QContactManagerEngine::updateRelationshipFetchRequest(r, QList<QContactRelationship>(), QContactManager::UnspecifiedError, QContactAbstractRequest::FinishedState);
        return;
    }

    QList<QContactRelationship> result;
    for(int i = 0; i < query->rowCount(); i++) {
        bool ok, ok1;
        QContactId idfirst;
        idfirst.setLocalId(query->index(i, 1).data().toUInt(&ok));
        QContactId idsecond;
        idsecond.setLocalId(query->index(i, 0).data().toUInt(&ok1));

        if (ok && ok1 ) {
            if (idfirst.localId() == idsecond.localId())
                continue;
            idfirst.setManagerUri(engine->managerUri());
            idsecond.setManagerUri(idfirst.managerUri());

            QContactRelationship rel;
            rel.setFirst(idfirst);
            rel.setSecond(idsecond);
            rel.setRelationshipType(QContactRelationship::IsSameAs);
            result.append(rel);
        }
    }

    QContactManagerEngine::updateRelationshipFetchRequest(r, result, QContactManager::NoError, QContactAbstractRequest::FinishedState);
}