/**
 * @file tunnel.h
 * @brief WireGuard Tunnel Management
 */

#ifndef TUNNEL_H
#define TUNNEL_H

#include <esp_err.h>
#include <stdint.h>
#include <stdbool.h>
#include "config.h"

/**
 * @brief Initialize WireGuard tunnel
 */
esp_err_t tunnel_init(const wg_config_t *config);

/**
 * @brief Apply configuration to tunnel
 */
esp_err_t tunnel_apply_config(const wg_config_t *config);

/**
 * @brief Rebuild tunnel with new configuration
 */
esp_err_t tunnel_rebuild(const wg_config_t *config);

/**
 * @brief Get last handshake timestamp (epoch seconds)
 */
int64_t tunnel_get_last_handshake(void);

/**
 * @brief Check if tunnel is up
 */
bool tunnel_is_up(void);

#endif /* TUNNEL_H */