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#ifndef QSERVICEREPLY_H
#define QSERVICEREPLY_H

#include "qserviceframeworkglobal.h"
#include "qservicemanager.h"

#include <QObject>
#include <QMetaObject>

QT_BEGIN_NAMESPACE

class QServiceReplyPrivate;

class Q_SERVICEFW_EXPORT QServiceReplyBase : public QObject
{
    Q_OBJECT
public:
    explicit QServiceReplyBase(QObject *parent = Q_NULLPTR);
    virtual ~QServiceReplyBase();

    bool isFinished() const;
    bool isRunning() const;
    QServiceManager::Error error() const;

    QString request() const;
    void setRequest(const QString &request);

Q_SIGNALS:
    void started();
    void finished();
    void errorChanged();

protected:

private Q_SLOTS:
    void start();
    void finish();
    void setError(QServiceManager::Error error);
    virtual void setProxyObject(QObject *proxyObject) = 0;

private:
    friend class QServiceOperationProcessor;

    Q_DISABLE_COPY(QServiceReplyBase)

    QServiceReplyPrivate *d;
};

class Q_SERVICEFW_EXPORT QServiceReply : public QServiceReplyBase
{
    Q_OBJECT
    public:
    explicit QServiceReply(QObject *p = Q_NULLPTR)
        : QServiceReplyBase(p),
          m_proxyObject(Q_NULLPTR)
    {
        // nothing to do
    }

    ~QServiceReply()
    {
        // nothing to do
    }

    QObject *proxyObject() const
    {
        return m_proxyObject;
    }

    void setProxyObject(QObject *newProxyObject)
    {
        m_proxyObject = newProxyObject;
    }

private:
    QObject *m_proxyObject;
};

QT_END_NAMESPACE

#endif // QSERVICEREPLY_H