/****************************************************************************
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** This file is part of the Qt3D module of the Qt Toolkit.
**
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** ensure the GNU Lesser General Public License version 3 requirements
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****************************************************************************/

#include <Qt3DCore/qt3dcore-config.h>

#ifndef QT3DCORE_DEBUG_ASPECTCOMMANDDEBUGGER_H
#define QT3DCORE_DEBUG_ASPECTCOMMANDDEBUGGER_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of other Qt classes.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QTcpServer>

QT_BEGIN_NAMESPACE

namespace Qt3DCore {

class QAspectEngine;

namespace Debug {

class AsynchronousCommandReply;

class Q_AUTOTEST_EXPORT AspectCommandDebugger : public QTcpServer
{
    Q_OBJECT
public:
    explicit AspectCommandDebugger(QObject *parent = nullptr);

    void initialize();
    void setAspectEngine(QAspectEngine *engine);

    struct ReadBuffer {
        ReadBuffer();

        QByteArray buffer;
        int startIdx;
        int endIdx;

        inline int size() const { return endIdx - startIdx; }
        void insert(const QByteArray &array);
        void trim();
    };

private Q_SLOTS:
    void asynchronousReplyFinished(AsynchronousCommandReply *reply);

private:
    void sendReply(QTcpSocket *socket, const QByteArray &data);
    void onCommandReceived(QTcpSocket *socket);
    void executeCommand(const QString &command, QTcpSocket *socket);

    QVector<QTcpSocket *> m_connections;
    QAspectEngine *m_aspectEngine;

    ReadBuffer m_readBuffer;
    QHash<AsynchronousCommandReply *, QTcpSocket *> m_asyncCommandToSocketEntries;
};

} // Debug

} // Qt3DCore

QT_END_NAMESPACE

#endif // QT3DCORE_DEBUG_ASPECTCOMMANDDEBUGGER_H
