/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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
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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 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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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****************************************************************************/

#pragma once

#include "cmake_global.h"

#include <utils/porting.h>
#include <utils/optional.h>

#include <QByteArray>
#include <QStringList>

namespace Utils {
class FilePath;
class MacroExpander;
} // namespace Utils

namespace ProjectExplorer {
class Kit;
}

namespace CMakeProjectManager {

class CMAKE_EXPORT CMakeConfigItem
{
public:
    enum Type { FILEPATH, PATH, BOOL, STRING, INTERNAL, STATIC, UNINITIALIZED };
    CMakeConfigItem();
    CMakeConfigItem(const QByteArray &k, Type t, const QByteArray &d, const QByteArray &v, const QStringList &s = {});
    CMakeConfigItem(const QByteArray &k, const QByteArray &v);

    static QStringList cmakeSplitValue(const QString &in, bool keepEmpty = false);
    static Type typeStringToType(const QByteArray &typeString);
    static QString typeToTypeString(const Type t);
    static Utils::optional<bool> toBool(const QString &value);
    bool isNull() const { return key.isEmpty(); }

    QString expandedValue(const ProjectExplorer::Kit *k) const;
    QString expandedValue(const Utils::MacroExpander *expander) const;

    static bool less(const CMakeConfigItem &a, const CMakeConfigItem &b);
    static CMakeConfigItem fromString(const QString &s);
    QString toString(const Utils::MacroExpander *expander = nullptr) const;
    QString toArgument(const Utils::MacroExpander *expander = nullptr) const;
    QString toCMakeSetLine(const Utils::MacroExpander *expander = nullptr) const;

    bool operator==(const CMakeConfigItem &o) const;
    friend Utils::QHashValueType qHash(const CMakeConfigItem &it);  // needed for MSVC

    QByteArray key;
    Type type = STRING;
    bool isAdvanced = false;
    bool inCMakeCache = false;
    bool isUnset = false;
    QByteArray value; // converted to string as needed
    QByteArray documentation;
    QStringList values;
};

class CMAKE_EXPORT CMakeConfig : public QList<CMakeConfigItem>
{
public:
    CMakeConfig() = default;
    CMakeConfig(const QList<CMakeConfigItem> &items) : QList<CMakeConfigItem>(items) {}
    CMakeConfig(std::initializer_list<CMakeConfigItem> items) : QList<CMakeConfigItem>(items) {}

    const QList<CMakeConfigItem> &toList() const { return *this; }

    static CMakeConfig fromArguments(const QStringList &list);
    static CMakeConfig fromFile(const Utils::FilePath &input, QString *errorMessage);

    QByteArray valueOf(const QByteArray &key) const;
    QString stringValueOf(const QByteArray &key) const;
    Utils::FilePath filePathValueOf(const QByteArray &key) const;
    QString expandedValueOf(const ProjectExplorer::Kit *k, const QByteArray &key) const;
};

} // namespace CMakeProjectManager