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/****************************************************************************
**
** Copyright (C) 2019 Luxoft Sweden AB
** Copyright (C) 2018 Pelagicore AG
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Luxoft Application Manager.
**
** $QT_BEGIN_LICENSE:LGPL-QTAS$
** Commercial License Usage
** Licensees holding valid commercial Qt Automotive Suite 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 Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** 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
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
** SPDX-License-Identifier: LGPL-3.0
**
****************************************************************************/

#pragma once

#include <QtAppManCommon/global.h>
#include <QStringList>
#include <QVariantMap>
#include <QVector>
#include <QCommandLineParser>

QT_BEGIN_NAMESPACE_AM

class Configuration
{
public:
    virtual ~Configuration();
    void parse(QStringList *deploymentWarnings = nullptr);
    virtual void parseWithArguments(const QStringList &arguments, QStringList *deploymentWarnings = nullptr);
    QVariant buildConfig() const;

protected:
    Configuration(const QStringList &defaultConfigFilePaths, const QString &buildConfigFilePath);

    enum MessageType { UsageMessage, ErrorMessage };

    void showParserMessage(const QString &message, MessageType type);

    template <typename T> T value(const char *clname, const QVector<const char *> &cfname = QVector<const char *>()) const
    {
        Q_UNUSED(clname)
        Q_UNUSED(cfname)
        return T();
    }

private:
    QVariant findInConfigFile(const QVector<const char *> &path, bool *found = nullptr) const;
    void mergeConfig(const QVariantMap &other);

protected:
    QStringList m_defaultConfigFilePaths;
    QString m_buildConfigFilePath;
    QCommandLineParser m_clp;
    QVariantMap m_config;
};

template<> bool Configuration::value(const char *clname, const QVector<const char *> &cfname) const;
template<> QString Configuration::value(const char *clname, const QVector<const char *> &cfname) const;
template<> QStringList Configuration::value(const char *clname, const QVector<const char *> &cfname) const;
template<> QVariant Configuration::value(const char *clname, const QVector<const char *> &cfname) const;

QT_END_NAMESPACE_AM