#pragma once
#include <QObject>
#include <QString>

class NetworkManager : public QObject {
    Q_OBJECT
public:
    explicit NetworkManager(QObject *parent = nullptr);
    QString readCurrentMac(const QString &interfacesPath);
    bool backupFile(const QString &interfacesPath, QString *err);
    bool ensureRootPermission(QString *err);
    bool applyMacLocal(const QString &interfacesPath,
                       const QString &referencePathOrEmpty,
                       const QString &newMac,
                       QString *err);
private:
    QString readReferencePrefixFromFile(const QString &referencePath, QString *err);
    QString defaultReferencePrefix() const;
};