/*
 *   This file is part of the Okteta Kasten Framework, made within the KDE community.
 *
 *   Copyright 2009, 2012 Alex Richardson <alex.richardson@gmx.de>
 *
 *   This library is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU Lesser General Public
 *   License as published by the Free Software Foundation; either
 *   version 2.1 of the License, or (at your option) version 3, or any
 *   later version accepted by the membership of KDE e.V. (or its
 *   successor approved by the membership of KDE e.V.), which shall
 *   act as a proxy defined in Section 6 of version 3 of the license.
 *
 *   This library 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
 *   Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public
 *   License along with this library. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef ENUMDEFINITION_H_
#define ENUMDEFINITION_H_
#include "../../allprimitivetypes.h"
#include "../primitivedatatype.h"
// Qt core
#include <QMap>
#include <QSharedData>
#include <QSharedDataPointer>
#include <QString>
#include <QPair>

class QScriptValue;
struct LoggerWithContext;

class EnumDefinition : public QSharedData
{
public:
    using Ptr = QSharedDataPointer<EnumDefinition>;

    EnumDefinition(const QMap<AllPrimitiveTypes, QString>& values, const QString& name,
                   PrimitiveDataType type)
        : QSharedData()
        , mName(name)
        , mValues(values)
        , mType(type)
    {}
    EnumDefinition(const EnumDefinition& e)
        : QSharedData(e)
        , mValues(e.mValues)
        , mType(e.mType)
    {}

    const QMap<AllPrimitiveTypes, QString>& values() const;
    const AllPrimitiveTypes key(QString& value) const;
    const QString value(AllPrimitiveTypes key) const;
    PrimitiveDataType type() const;
    const QString& name() const;
    void setValues(const QMap<AllPrimitiveTypes, QString>& newValues);

    static QMap<AllPrimitiveTypes, QString> parseEnumValues(const QScriptValue& val,
                                                            const LoggerWithContext& logger, PrimitiveDataType type = PrimitiveDataType::UInt64);
    /** @return a pair containing the converted value. A default constructed pair means error! */
    static QPair<AllPrimitiveTypes, QString> convertToEnumEntry(const QString& name, const QVariant& value,
                                                                const LoggerWithContext& logger, PrimitiveDataType type);

protected:
    const QString mName;
    QMap<AllPrimitiveTypes, QString> mValues;
    const PrimitiveDataType mType;
};

inline const QMap<AllPrimitiveTypes, QString>& EnumDefinition::values() const
{
    return mValues;
}

inline const AllPrimitiveTypes EnumDefinition::key(QString& value) const
{
    return mValues.key(value);
}

inline const QString EnumDefinition::value(AllPrimitiveTypes key) const
{
    return mValues.value(key);
}

inline PrimitiveDataType EnumDefinition::type() const
{
    return mType;
}

inline const QString& EnumDefinition::name() const
{
    return mName;
}

inline void EnumDefinition::setValues(const QMap<AllPrimitiveTypes, QString>& newValues)
{
    mValues = newValues; // causes the QSharedPointer to detach and copy
}

#endif /* ENUMDEFINITION_H_ */
