// config_updater.h — Universal INI config file updater (like insert_or_replace_option in utun)
#ifndef CONFIG_UPDATER_H
#define CONFIG_UPDATER_H

#include <QString>
#include <QStringList>

enum ConfigUpdateFlag {
    CONFIG_UPDATE_REPLACE = 0,  // replace existing param (single value)
    CONFIG_UPDATE_APPEND  = 1   // add new param even if exists (multi-value)
};

// Batch update — for callers that read/write the file once (e.g. NodeConfig::save)
bool config_update_in_lines(QStringList& lines, const QString& section,
                            const QString& key, const QString& value, bool replace);

// File-level wrapper — reads, updates, writes
bool config_update_option(const QString& filePath, const QString& section,
                          const QString& param, const QString& value,
                          int flags = CONFIG_UPDATE_REPLACE);

#endif // CONFIG_UPDATER_H