#ifndef PERSISTENTDATA_H
#define PERSISTENTDATA_H

#include <QObject>
#include <QHash>
#include <QVariant>
#include <QList>
#include <QString>

class PersistentData : public QObject
{
    Q_OBJECT
public:
    explicit PersistentData(const QString &datafileName, QObject *parent = nullptr);

    void setDCFirmwareVersion(const QString & fw_version);
    QString getDCFirmwareVersion();


    QVariant getParameter(const QString & key);
    QVariant getParameter(const QString & key) const;
    void setParameter(const QString & key, QVariant value);
    void clearParameter(const QString & key);
    bool hasParameter(const QString & key) const;

    uint getUintParameter(const QString & key) const;
    QList<QString> uniqueKeys() const;


public slots:
    void serializeToFile();

signals:


private:
    QHash<QString, QVariant> hash;

    QString dc_fw_version;

    QString filename;

    void save();
    void read();

    bool isChangedFlag;
};

#endif // PERSISTENTDATA_H