/* SPDX-License-Identifier: GPL-3.0-only */
/* Versioned persistent configuration for the optional local OLED UI. */

#pragma once

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

#include "esp_err.h"

#define LOCAL_UI_CONFIG_VERSION 1U
#define LOCAL_UI_CONFIG_DEFAULT_DIM_SECONDS 300U
#define LOCAL_UI_CONFIG_DEFAULT_OFF_SECONDS 600U
#define LOCAL_UI_CONFIG_MAX_TIMEOUT_SECONDS 86400U

#define LOCAL_UI_CONFIG_NVS_NAMESPACE "local_ui"
#define LOCAL_UI_CONFIG_NVS_BLOB_KEY "config"

typedef struct {
    uint32_t version;
    /* Zero disables the corresponding inactivity transition. */
    uint32_t dim_timeout_seconds;
    uint32_t off_timeout_seconds;
} local_ui_config_t;

void local_ui_config_defaults(local_ui_config_t *config);
esp_err_t local_ui_config_validate(const local_ui_config_t *config);
esp_err_t local_ui_config_load(local_ui_config_t *config, bool *used_stored_config);
esp_err_t local_ui_config_save(const local_ui_config_t *config);
esp_err_t local_ui_config_reset_storage(void);