/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2011-     Statoil ASA
//  Copyright (C) 2013-     Ceetron Solutions AS
//  Copyright (C) 2011-2012 Ceetron AS
//
//  ResInsight is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
//  FITNESS FOR A PARTICULAR PURPOSE.
//
//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
//  for more details.
//
/////////////////////////////////////////////////////////////////////////////////

#pragma once

#include "RiaSocketServerDefines.h"

#include <QDataStream>
#include <QObject>
#include <vector>

class QLabel;
class QPushButton;
class QTcpServer;
class QTcpSocket;
class QNetworkSession;
class QTimer;
class RimEclipseCase;
class RiaSocketCommand;

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
class RiaSocketServer : public QObject
{
    Q_OBJECT

public:
    enum ReadState
    {
        ReadingCommand,
        ReadingPropertyData
    };

public:
    explicit RiaSocketServer( QObject* parent = nullptr );
    ~RiaSocketServer() override;

    unsigned short  serverPort();
    RimEclipseCase* findReservoir( int caseId );
    QTcpSocket*     currentClient() { return m_currentClient; }

    void showErrorMessage( const QString& message ) const;

private slots:
    void slotNewClientConnection();
    void slotCurrentClientDisconnected();
    void slotReadyRead();

private:
    void handleNextPendingConnection();
    void terminateCurrentConnection();
    bool readCommandFromOctave();

private:
    QTcpServer* m_tcpServer;

    QTcpSocket* m_currentClient;
    qint64      m_currentCommandSize; ///< The size in bytes of the command we are currently reading.

    RiaSocketCommand* m_currentCommand;

    QTimer* m_nextPendingConnectionTimer;
};