/* SPDX-License-Identifier: GPL-3.0-only */
/* Versioned persistent configuration for the station mDNS hostname. */

#pragma once

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

#include "esp_err.h"

#define MDNS_CONFIG_SCHEMA_VERSION 1U
#define MDNS_CONFIG_BLOB_SIZE 64U
#define MDNS_CONFIG_SUFFIX_MAX_LEN 55U
#define MDNS_CONFIG_NVS_NAMESPACE "mdns_cfg"
#define MDNS_CONFIG_NVS_BLOB_KEY "config"

typedef struct {
    uint32_t schema_version;
    uint16_t blob_size;
    uint8_t suffix_len;
    uint8_t reserved;
    char suffix[MDNS_CONFIG_SUFFIX_MAX_LEN + 1U];
} mdns_config_t;

void mdns_config_defaults(mdns_config_t *config);
esp_err_t mdns_config_validate(const mdns_config_t *config);
esp_err_t mdns_config_load(mdns_config_t *config, bool *used_stored_config);
esp_err_t mdns_config_save(const mdns_config_t *config);
esp_err_t mdns_config_reset_storage(void);