/****************************************************************************
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** Copyright (C) 2019 Luxoft Sweden AB
** Copyright (C) 2018 Pelagicore AG
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** This file is part of the Qt Application Manager.
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** $QT_BEGIN_LICENSE:LGPL-QTAS$
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
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** SPDX-License-Identifier: LGPL-3.0
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****************************************************************************/

#pragma once

#include <QVariantMap>
#include <QFileInfo>

#include <QtAppManPluginInterfaces/containerinterface.h>

QT_FORWARD_DECLARE_CLASS(QDBusInterface)

class SoftwareContainerManager;

class SoftwareContainer : public ContainerInterface
{
    Q_OBJECT

public:
    SoftwareContainer(SoftwareContainerManager *manager, bool isQuickLaunch, int containerId,
                      int outputFd, const QMap<QString, QString> &debugWrapperEnvironment,
                      const QStringList &debugWrapperCommand);
    ~SoftwareContainer();

    SoftwareContainerManager *manager() const;

    bool attachApplication(const QVariantMap &application) override;

    QString controlGroup() const override;
    bool setControlGroup(const QString &groupName) override;

    bool setProgram(const QString &program) override;
    void setBaseDirectory(const QString &baseDirectory) override;

    bool isReady() const override;

    QString mapContainerPathToHost(const QString &containerPath) const override;
    QString mapHostPathToContainer(const QString &hostPath) const override;

    bool start(const QStringList &arguments, const QMap<QString, QString> &runtimeEnvironment,
               const QVariantMap &amConfig) override;

    qint64 processId() const override;
    RunState state() const override;

    void kill() override;
    void terminate() override;

    void containerExited(uint exitCode);

private:
    bool sendCapabilities();
    bool sendBindMounts();

    SoftwareContainerManager *m_manager;
    bool m_isQuickLaunch;
    int m_id;
    QString m_program;
    QString m_baseDir;
    bool m_ready = false;
    qint64 m_pid = 0;
    RunState m_state = NotRunning;
    QVariantMap m_application;
    QString m_appRelativeCodePath;
    QString m_hostPath;
    QString m_containerPath;
    QByteArray m_fifoPath;
    int m_fifoFd = -1;
    int m_outputFd;
    QMap<QString, QString> m_debugWrapperEnvironment;
    QStringList m_debugWrapperCommand;
    QFileInfo m_dbusP2PInfo;
    QFileInfo m_qtPluginPathInfo;
};

class SoftwareContainerManager : public QObject, public ContainerManagerInterface
{
    Q_OBJECT
    Q_PLUGIN_METADATA(IID AM_ContainerManagerInterface_iid)
    Q_INTERFACES(ContainerManagerInterface)

public:
    SoftwareContainerManager();

    QString identifier() const override;
    bool supportsQuickLaunch() const override;
    void setConfiguration(const QVariantMap &configuration) override;

    ContainerInterface *create(bool isQuickLaunch,
                               const QVector<int> &stdioRedirections,
                               const QMap<QString, QString> &debugWrapperEnvironment,
                               const QStringList &debugWrapperCommand) override;
public:
    QDBusInterface *interface() const;
    QVariantMap configuration() const;

private slots:
    void processStateChanged(int containerId, uint processId, bool isRunning, uint exitCode);

private:
    QVariantMap m_configuration;
    QDBusInterface *m_interface = nullptr;
    QMap<int, SoftwareContainer *> m_containers;
};