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#include "qmlcontactsa.h"

#include <QtDebug>

#include <QFile>

#include <QIODevice>

#include <qcontactfetchrequest.h>

#include <qcontactlocalidfilter.h>

#include <qcontactdetails.h>

#include <qversitreader.h>

#include <qversitcontactimporter.h>

QT_USE_NAMESPACE

QTM_USE_NAMESPACE

// ![0]

QMLContactManagerAsync::QMLContactManagerAsync(QObject *parent)

    : QObject(parent)

{

    qc = new QContactManager();

}

QMLContactManagerAsync::~QMLContactManagerAsync()

{

    delete qc;

}

QString QMLContactManagerAsync::availableManagers() const

{

    return QContactManager::availableManagers().join(" ");

}

QString QMLContactManagerAsync::manager()

{

    return qc->managerName();

}

void QMLContactManagerAsync::fillContactsIntoMemoryEngine(QContactManager* manager)

{

    QVersitReader reader;

    QFile file(":/contents/example.vcf");

    bool ok = file.open(QIODevice::ReadOnly);

    if (ok) {

       reader.setDevice(&file);

       if (reader.startReading() && reader.waitForFinished()) {

           QVersitContactImporter importer;

           importer.importDocuments(reader.results());

           QList<QContact> contacts = importer.contacts();

           manager->saveContacts(&contacts, 0);

       }

    }

}

void QMLContactManagerAsync::setManager(QString manager)

{

    delete qc;

    qc = new QContactManager(manager);

    connect(qc, SIGNAL(contactsAdded(QList<QContactLocalId>)), this, SIGNAL(contactsAdded(QList<QContactLocalId>)));

    connect(qc, SIGNAL(contactsChanged(QList<QContactLocalId>)), this, SIGNAL(contactsChanged(QList<QContactLocalId>)));

    connect(qc, SIGNAL(contactsRemoved(QList<QContactLocalId>)), this, SIGNAL(contactsRemoved(QList<QContactLocalId>)));

    connect(qc, SIGNAL(relationshipsAdded(QList<QContactLocalId>)), this, SIGNAL(relationshipsAdded(QList<QContactLocalId>)));

    connect(qc, SIGNAL(relationshipsRemoved(QList<QContactLocalId>)), this, SIGNAL(relationshipsRemoved(QList<QContactLocalId>)));

    if (manager == "memory" && qc->contactIds().isEmpty()) {

        fillContactsIntoMemoryEngine(qc);

    }

    qWarning() << "Changed backend to: " << manager;

}

QString QMLContactManagerAsync::contactListToQString(const QList<QContactLocalId>& contactIds) const

{

    QString list;

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

        list += QString::number(contactIds.at(i)) +  ' ';

    }

    return list;

}

QStringList QMLContactManagerAsync::contactListToQString(const QList<QContact>& contact) const

{

    QStringList list;

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

        list += qc->synthesizedDisplayLabel(contact.at(i));

     }

    return list;

}

int QMLContactManagerAsync::numContacts()

{

    return qc->contactIds().count();

}

void QMLContactManagerAsync::contacts()

{

    m_contactIds.clear();

    QContactFetchRequest* req = new QContactFetchRequest;

    QContactLocalIdFilter idFil;

    idFil.setIds(qc->contactIds());

    req->setFilter(idFil);

    req->setManager(qc);

    connect(req, SIGNAL(stateChanged(QContactAbstractRequest::State)), this, SLOT(contactProgress(QContactAbstractRequest::State)));

    req->start();

}

void QMLContactManagerAsync::contactProgress(QContactAbstractRequest::State newState)

{

    QContactFetchRequest *request = qobject_cast<QContactFetchRequest*>(sender());

    // first, check to make sure that the request is still valid.

    if (qc != request->manager() ||

        newState == QContactAbstractRequest::CanceledState) {

        request->deleteLater();

        return; // ignore these results.

    }

    if(request->contacts().count() > 0) {

        foreach(const QContact& c, request->contacts()) {

            QmlContact qmlc(c);

            emit contactsLoaded(&qmlc);

        }

    }

    // check to see if the request status is "finished" - clean up.

    if (newState == QContactAbstractRequest::FinishedState) {

        request->deleteLater();

        emit contactsLoadedDone();

    }

}

QString QMLContactManagerAsync::idToName(QString name)

{

    QContact c = qc->contact(name.toInt());

    return qc->synthesizedDisplayLabel(c);

}

// ![0]

#include "moc_qmlcontactsa.cpp"