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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Copyright (C) 2019 Luxoft Sweden AB
** Copyright (C) 2018 Pelagicore AG
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtApplicationManager module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) 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.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#pragma once

#include <QtAppManManager/abstractcontainer.h>
#include <QtAppManManager/amnamespace.h>

QT_FORWARD_DECLARE_CLASS(QProcess)
QT_FORWARD_DECLARE_CLASS(QProcessEnvironment)

QT_BEGIN_NAMESPACE_AM

class MemoryWatcher;

class ProcessContainerManager : public AbstractContainerManager
{
    Q_OBJECT
public:
    explicit ProcessContainerManager(QObject *parent = nullptr);
    explicit ProcessContainerManager(const QString &id, QObject *parent = nullptr);

    static QString defaultIdentifier();
    bool supportsQuickLaunch() const override;

    AbstractContainer *create(Application *app, QVector<int> &&stdioRedirections,
                              const QMap<QString, QString> &debugWrapperEnvironment,
                              const QStringList &debugWrapperCommand) override;
};


class HostProcess : public AbstractContainerProcess
{
    Q_OBJECT

public:
    HostProcess();
    virtual ~HostProcess() override;

    virtual qint64 processId() const override;
    virtual Am::RunState state() const override;

    void setStdioRedirections(QVector<int> &&stdioRedirections);
    void setWorkingDirectory(const QString &dir);
    void setProcessEnvironment(const QProcessEnvironment &environment);

public slots:
    void kill() override;
    void terminate() override;

    void start(const QString &program, const QStringList &arguments);
    void setStopBeforeExec(bool stopBeforeExec);

private:
    QProcess *m_process;
    qint64 m_pid = 0;
    bool m_stopBeforeExec = false;
    QVector<int> m_stdioRedirections;
};

class ProcessContainer : public AbstractContainer
{
    Q_OBJECT

public:
    explicit ProcessContainer(ProcessContainerManager *manager, Application *app,
                              QVector<int> &&stdioRedirections,
                              const QMap<QString, QString> &debugWrapperEnvironment,
                              const QStringList &debugWrapperCommand);
    ~ProcessContainer() override;

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

    bool isReady() override;

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

private:
    QString m_currentControlGroup;
    QVector<int> m_stdioRedirections;
    QMap<QString, QString> m_debugWrapperEnvironment;
    QStringList m_debugWrapperCommand;
    MemoryWatcher *m_memWatcher = nullptr;
};

QT_END_NAMESPACE_AM