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#ifndef QCONTACTMAEMO5BACKEND_P_H
#define QCONTACTMAEMO5BACKEND_P_H

#include "qcontactmanager.h"
#include "qcontactmanager_p.h"

#include <QMap>
#include <QString>
#include <QList>
#include <QQueue>
#include <QDebug>

#include "qtcontacts.h"
#include "qcontactabook_p.h"
#include "qcontactchangeset.h"

#define MAEMO5_ENGINE_VERSION 0.1

QTM_USE_NAMESPACE

Q_DEFINE_LATIN1_CONSTANT(AddressFieldExtension, "X-Maemo5-Extension");

class Q_DECL_EXPORT ContactMaemo5Factory : public QObject, public QContactManagerEngineFactory
{
  Q_OBJECT
  Q_INTERFACES(QtMobility::QContactManagerEngineFactory)
  public:
    QContactManagerEngine* engine(const QMap<QString, QString>& parameters, QContactManager::Error*);
    QString managerName() const;
};

class QContactMaemo5EngineData : public QSharedData
{
public:
    QContactMaemo5EngineData()
        : QSharedData(),
        m_refCount(QAtomicInt(1)),
        m_abook(new QContactABook)
    {  
    }

    QContactMaemo5EngineData(const QContactMaemo5EngineData& other)
        : QSharedData(other),
        m_refCount(QAtomicInt(1)),
        m_abook(other.m_abook)
    {
    }

    ~QContactMaemo5EngineData()
    {
      delete m_abook;
    }

    QAtomicInt m_refCount;
    QContactABook *m_abook;
};

class QContactMaemo5Engine : public QContactManagerEngine
{
  Q_OBJECT
  public:
    QContactMaemo5Engine();
    QContactMaemo5Engine& operator=(const QContactMaemo5Engine& other);

    QString managerName() const;
    QString synthesizedDisplayLabel(const QContact& contact, QContactManager::Error* error) const;
    bool validateContact(const QContact&, QContactManager::Error* error) const;
    bool validateDefinition(const QContactDetailDefinition&, QContactManager::Error* error) const;
    QContact compatibleContact(const QContact& contact, QContactManager::Error* error) const;

    /* "Self" contact id (MyCard) */
    QContactLocalId selfContactId(QContactManager::Error* errors) const;

    /* Filtering */
    QList<QContactLocalId> contactIds(const QContactFilter& filter, const QList<QContactSortOrder>& sortOrders, QContactManager::Error* error) const;

    /* Contacts - Accessors and Mutators */
    QContact contact(const QContactLocalId& contactId, const QContactFetchHint& fetchHint, QContactManager::Error* error) const;
    QList<QContact> contacts(const QContactFilter& filter, const QList<QContactSortOrder>& sortOrders, const QContactFetchHint& fetchHint, QContactManager::Error* error ) const;
    bool saveContact(QContact* contact, QContactManager::Error* error);
    bool removeContact(const QContactLocalId& contactId, QContactManager::Error* error);
    bool saveContacts(QList<QContact>*, QMap<int, QContactManager::Error>*, QContactManager::Error* error); // implemented in terms of the singular saveContact
    bool removeContacts(const QList<QContactLocalId>&, QMap<int, QContactManager::Error>*, QContactManager::Error* error); // implemented in terms of the singular removeContact
    
    /* Definitions - Accessors and Mutators */
    QMap<QString, QContactDetailDefinition> detailDefinitions(const QString& contactType, QContactManager::Error* error) const;
    QContactDetailDefinition detailDefinition(const QString& definitionName, const QString& contactType, QContactManager::Error* error) const; // implemented in terms of the plural detailDefinitions

    /* Version Reporting */
    int implementationVersion() const { return MAEMO5_ENGINE_VERSION; };
    int managerVersion() const { return MAEMO5_ENGINE_VERSION; }; 
    
    /* Capabilities reporting */
    bool hasFeature(QContactManager::ManagerFeature feature, const QString& contactType) const;
    bool isFilterSupported(const QContactFilter& filter) const;
    QList<QVariant::Type> supportedDataTypes() const;
    QStringList supportedContactTypes() const {return (QStringList() << QContactType::TypeContact);}
    
    /* Asynchronous Request Support - synchronous versions until thread worker is stable */
    void requestDestroyed(QContactAbstractRequest *req);
    bool startRequest(QContactAbstractRequest *req);
    bool cancelRequest(QContactAbstractRequest *req);
    bool waitForRequestProgress(QContactAbstractRequest* req, int msecs);
    bool waitForRequestFinished(QContactAbstractRequest* req, int msecs);
    
  private slots:
    void performAsynchronousOperation();
    
  private:  
    QQueue<QContactAbstractRequest*> m_asynchronousOperations; // async requests to be performed.
    QSharedDataPointer<QContactMaemo5EngineData> d;
};

#endif