/****************************************************************************
**
** Copyright (C) 2019 Luxoft Sweden AB
** Copyright (C) 2018 Pelagicore AG
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Application Manager.
**
** $QT_BEGIN_LICENSE:LGPL-QTAS$
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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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** GNU General Public License Usage
** 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 <QUrl>
#include <QStringList>
#include <QWaitCondition>
#include <QMutex>

#include <QtAppManApplication/installationreport.h>
#include <QtAppManManager/asynchronoustask.h>
#include <QtAppManManager/scopeutilities.h>

QT_BEGIN_NAMESPACE_AM

class PackageInfo;
class PackageManager;
class PackageExtractor;


class InstallationTask : public AsynchronousTask
{
    Q_OBJECT
public:
    InstallationTask(const QString &installationPath, const QString &documentPath,
                     const QUrl &sourceUrl, QObject *parent = nullptr);
    ~InstallationTask() override;

    void acknowledge();
    bool cancel() override;

signals:
    void finishedPackageExtraction();

protected:
    void execute() override;

private:
    void startInstallation() Q_DECL_NOEXCEPT_EXPR(false);
    void finishInstallation() Q_DECL_NOEXCEPT_EXPR(false);
    void checkExtractedFile(const QString &file) Q_DECL_NOEXCEPT_EXPR(false);

private:
    PackageManager *m_pm;
    QString m_installationPath;
    QString m_documentPath;
    QUrl m_sourceUrl;
    bool m_foundInfo = false;
    bool m_foundIcon = false;
    QString m_iconFileName;
    bool m_locked = false;
    uint m_extractedFileCount = 0;
    bool m_managerApproval = false;
    QScopedPointer<PackageInfo> m_package;
    uint m_applicationUid = uint(-1);

    // changes to these 4 member variables are protected by m_mutex
    PackageExtractor *m_extractor = nullptr;
    bool m_canceled = false;
    bool m_installationAcknowledged = false;
    QWaitCondition m_installationAcknowledgeWaitCondition;

    static QMutex s_serializeFinishInstallation;

    QDir m_applicationDir;
    QDir m_extractionDir;

    ScopedDirectoryCreator m_installationDirCreator;
};

QT_END_NAMESPACE_AM