// config_updater.h - Configuration file updater
#ifndef CONFIG_UPDATER_H
#define CONFIG_UPDATER_H

#include <stdint.h>
#include <stddef.h>

#ifdef __cplusplus
extern "C" {
#endif

// Ensures config file has valid my_private_key, my_public_key, and my_node_id
// If any are missing or invalid, generates and updates them
// Returns 0 on success, -1 on error
int config_ensure_keys_and_node_id(const char *filename);

void bytes_to_hex(const uint8_t *bytes, size_t len, char *hex_str, size_t hex_len);

#ifdef __cplusplus
}
#endif

#endif // CONFIG_UPDATER_H