#pragma once

#include <ltsutilssettings_export.h>

#include <QtCore/QMap>
#include <QtCore/QObject>
#include <QtCore/QVariant>

class QJsonObject;

namespace LtsUtils
{

class LTSUTILSSETTINGS_EXPORT Settings : public QObject
{
    Q_OBJECT

  public:
    ~Settings() = default;

    void setValue(const QString& group, const QString& identifier, const QVariant& value);

    void removeValue(const QString& group, const QString& identifier);

    QVariant value(const QString& group, const QString& identifier, const QVariant& defaultValue = QVariant()) const;

    QStringList identifiers(const QString& group) const;

    void init(const QByteArray& settings);
    QByteArray exportSettings() const;
    void clear();

    void dump();

  protected:
    Settings() = default;

  signals:
    void valueChanged(const QString& group, const QString& identifier, const QVariant& value);
    void valueRemoved(const QString& group, const QString& identifier);

  protected:
    QHash<QString, QVariant> m_data;
};

class LTSUTILSSETTINGS_EXPORT OperatorSettings : public Settings
{
    Q_OBJECT
  public:
    static OperatorSettings* getInstance();
};

class LTSUTILSSETTINGS_EXPORT ProjectSettings : public Settings
{
    Q_OBJECT
  public:
    static ProjectSettings* getInstance();

    static bool initFromFile(const QString& filename);
    static bool isFunctionEnabled(const QString& group, const QString& function);
};

} // namespace LtsUtils