#ifndef SETTINGS_H
#define SETTINGS_H

#include <QObject>
#include <QSettings>

class Settings
{
public:
    static Settings& instance();

public:
    void setValue(const QString& group, const QString& name, const QVariant& value);
    QVariant value(const QString& group, const QString& name);
    void clearValue(const QString& group, const QString& name);
    bool contains(const QString& group, const QString& name);

private:
    QVariant getDefaultValue(const QString& group, const QString& name);

private:
    explicit Settings();
    ~Settings();
    Settings(const Settings&) = delete;
    Settings& operator=(const Settings&) = delete;

private:
    QSettings* m_settings;
    QString m_settingsFile;
    bool m_isVaildSettingsFile;
};

#endif // SETTINGS_H