/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
*  Copyright 2013 - 2020, nymea GmbH
*  Contact: contact@nymea.io
*
*  This file is part of nymea.
*  This project including source code and documentation is protected by copyright law, and
*  remains the property of nymea GmbH. All rights, including reproduction, publication,
*  editing and translation, are reserved. The use of this project is subject to the terms of a
*  license agreement to be concluded with nymea GmbH in accordance with the terms
*  of use of nymea GmbH, available under https://nymea.io/license
*
*  GNU General Public License Usage
*  Alternatively, this project may be redistributed and/or modified under
*  the terms of the GNU General Public License as published by the Free Software Foundation,
*  GNU version 3. this project 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 for more details.
*
*  You should have received a copy of the GNU General Public License along with this project.
*  If not, see <https://www.gnu.org/licenses/>.
*
*  For any further details and any questions please contact us under contact@nymea.io
*  or see our FAQ/Licensing Information on https://nymea.io/license/faq
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#ifndef ENGINE_H
#define ENGINE_H

#include <QUrl>
#include <QTimer>
#include <QObject>
#include <QDateTime>
#include <QHostAddress>
#include <QSslConfiguration>

#include "logengine.h"
#include "proxyserver.h"
#include "monitorserver.h"
#include "tcpsocketserver.h"
#include "websocketserver.h"
#include "proxyconfiguration.h"
#include "authentication/authenticator.h"

namespace remoteproxy {

class Engine : public QObject
{
    Q_OBJECT
public:
    static Engine *instance();
    void destroy();

    static bool exists();

    void start(ProxyConfiguration *configuration);
    void stop();

    bool running() const;
    bool developerMode() const;

    QString serverName() const;

    void setAuthenticator(Authenticator *authenticator);
    void setDeveloperModeEnabled(bool enabled);

    ProxyConfiguration *configuration() const;
    Authenticator *authenticator() const;
    ProxyServer *proxyServer() const;
    TcpSocketServer *tcpSocketServer() const;
    WebSocketServer *webSocketServer() const;
    MonitorServer *monitorServer() const;
    LogEngine *logEngine() const;


private:
    explicit Engine(QObject *parent = nullptr);
    ~Engine();
    static Engine *s_instance;

    QTimer *m_timer = nullptr;
    qint64 m_lastTimeStamp = 0;
    int m_currentTimeCounter = 0;
    qint64 m_runTime = 0;

    bool m_running = false;
    bool m_developerMode = false;

    ProxyConfiguration *m_configuration = nullptr;
    Authenticator *m_authenticator = nullptr;
    ProxyServer *m_proxyServer = nullptr;
    TcpSocketServer *m_tcpSocketServer = nullptr;
    WebSocketServer *m_webSocketServer = nullptr;
    MonitorServer *m_monitorServer = nullptr;
    LogEngine *m_logEngine = nullptr;

    QVariantMap createServerStatistic();

signals:
    void runningChanged(bool running);

private slots:
    void onTimerTick();
    void clean();
    void setRunning(bool running);

};

}

#endif // ENGINE_H