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#ifndef MALICIOUSPLUGINTARGET
#define MALICIOUSPLUGINTARGET contacts_maliciousplugin
#endif

#ifndef MALICIOUSPLUGINNAME
#define MALICIOUSPLUGINNAME maliciousplugin
#endif

#define makestr(x) (#x)
#define makename(x) makestr(x)

#include "maliciousplugin_p.h"
#include "qcontactmanager.h"

#include <QThread>
#include <QMutex>
#include <QSet>
#include <QDebug>

class MaliciousThreadObject : public QObject
{
    Q_OBJECT
public:
    MaliciousThreadObject() {}

public slots:
    void activateRequest(QContactAbstractRequest* req)
    {
        mutex.lock();
        if (activeRequests.contains(req)) {
            QContactManagerEngine::updateRequestState(req, QContactAbstractRequest::ActiveState);
        }
        mutex.unlock();
    }

    void finishRequest(QContactAbstractRequest* req)
    {
        QContactManager::Error errorResult = QContactManager::NoError;
        QMap<int, QContactManager::Error> errorsResult;
        QList<QContactLocalId> idResult;
        QList<QContact> contactResult;
        QList<QContactDetailDefinition> defResult;
        QMap<QString, QContactDetailDefinition> defMapResult;
        QList<QContactRelationship> relResult;

        mutex.lock();
        if (activeRequests.contains(req)) {
            switch(req->type()) {
                case QContactAbstractRequest::ContactLocalIdFetchRequest:
                    QContactManagerEngine::updateContactLocalIdFetchRequest(static_cast<QContactLocalIdFetchRequest*>(req), idResult, errorResult, QContactAbstractRequest::FinishedState);
                    break;

                case QContactAbstractRequest::ContactFetchRequest:
                    QContactManagerEngine::updateContactFetchRequest(static_cast<QContactFetchRequest*>(req), contactResult, errorResult, QContactAbstractRequest::FinishedState);
                    break;

                case QContactAbstractRequest::DetailDefinitionSaveRequest:
                    QContactManagerEngine::updateDefinitionSaveRequest(static_cast<QContactDetailDefinitionSaveRequest*>(req), defResult, errorResult, errorsResult, QContactAbstractRequest::FinishedState);
                    break;

                case QContactAbstractRequest::DetailDefinitionFetchRequest:
                    QContactManagerEngine::updateDefinitionFetchRequest(static_cast<QContactDetailDefinitionFetchRequest*>(req), defMapResult, errorResult, errorsResult, QContactAbstractRequest::FinishedState);
                    break;

                case QContactAbstractRequest::DetailDefinitionRemoveRequest:
                    QContactManagerEngine::updateDefinitionRemoveRequest(static_cast<QContactDetailDefinitionRemoveRequest*>(req), errorResult, errorsResult, QContactAbstractRequest::FinishedState);
                    break;
                default:
                    QContactManagerEngine::updateRequestState(req, QContactAbstractRequest::FinishedState);
                    break;
            }
        }
        activeRequests.remove(req);
        mutex.unlock();
    }
public:
    QMutex mutex;

    QSet<QContactAbstractRequest*> activeRequests;
};

class MaliciousThread : public QThread
{
    Q_OBJECT;
public:
    MaliciousThread();
    ~MaliciousThread();
    QObject* eventLoopQuitHack;
};

MaliciousThread::MaliciousThread()
{
    eventLoopQuitHack = new QObject;
    eventLoopQuitHack->moveToThread(this);
    connect(eventLoopQuitHack, SIGNAL(destroyed(QObject*)), SLOT(quit()), Qt::DirectConnection);
}

MaliciousThread::~MaliciousThread()
{
    eventLoopQuitHack->deleteLater();
    wait();
}

MaliciousAsyncManagerEngine::MaliciousAsyncManagerEngine()
        : QContactManagerEngine()
{
    thread = new MaliciousThread();
    threadObject = new MaliciousThreadObject();
    threadObject->moveToThread(thread);

    connect(this, SIGNAL(doStartRequest(QContactAbstractRequest*)), threadObject, SLOT(activateRequest(QContactAbstractRequest*)));
    connect(this, SIGNAL(doFinishRequest(QContactAbstractRequest*)), threadObject, SLOT(finishRequest(QContactAbstractRequest*)));

    thread->start();
}

MaliciousAsyncManagerEngine::~MaliciousAsyncManagerEngine()
{
    delete thread;
    delete threadObject;
}

QString MaliciousAsyncManagerEngine::synthesizedDisplayLabel(const QContact& contact, QContactManager::Error* error) const
{
    Q_UNUSED(contact);
    *error = QContactManager::NotSupportedError;
    return QString();
}

QString MaliciousAsyncManagerEngine::managerName() const
{
    return QString(makename(MALICIOUSPLUGINNAME));
}

bool MaliciousAsyncManagerEngine::startRequest(QContactAbstractRequest* req)
{
    threadObject->mutex.lock();
    threadObject->activeRequests.insert(req);
    threadObject->mutex.unlock();

    // Spawn a thread to do stuff on another thread
    emit doStartRequest(req);
    emit doFinishRequest(req);

    return true;
}

bool MaliciousAsyncManagerEngine::cancelRequest(QContactAbstractRequest *req)
{
    updateRequestState(req, QContactAbstractRequest::CanceledState);
    QContactManagerEngine::cancelRequest(req);
    return true;
}

void MaliciousAsyncManagerEngine::requestDestroyed(QContactAbstractRequest *req)
{
    threadObject->mutex.lock();
    threadObject->activeRequests.remove(req);
    threadObject->mutex.unlock();
    QContactManagerEngine::requestDestroyed(req);
}

QString MaliciousEngineFactory::managerName() const
{
    return QString(makename(MALICIOUSPLUGINNAME));
}
Q_EXPORT_PLUGIN2(MALICIOUSPLUGINTARGET, MaliciousEngineFactory);

QContactManagerEngine* MaliciousEngineFactory::engine(const QMap<QString, QString>& parameters, QContactManager::Error* error)
{
    Q_UNUSED(parameters);
    *error = QContactManager::NoError;
    return new MaliciousAsyncManagerEngine();
}

#include "maliciousplugin.moc"