#include "nvs_flash.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "nvs.h"
#include "esp_log.h"
#include <string.h>

static const char *TAG = "emoji_information";

//NVS 命名空间
#define NVS_NAMESPACE  "emoji_config"
//版本号的键名
#define VERSION_KEY     "emoji_version"

#define VERSION_BUF_SIZE   32

esp_err_t nvs_emoji_init(void) // nvs  初始化
{
    esp_err_t err = nvs_flash_init();

    if(err == ESP_ERR_NVS_NO_FREE_PAGES || err == ESP_ERR_NVS_NEW_VERSION_FOUND)
    {
        ESP_LOGI(TAG,"NVS paratition need erase , reinitializing ...");
        err = nvs_flash_erase();
        if(err != ESP_OK)
        {
            ESP_LOGI(TAG,"NVS flash erase failed : %s ", esp_err_to_name(err));            
            return err;
        }
        err = nvs_flash_init();
    }

    if(err != ESP_OK)
    {
        ESP_LOGI(TAG,"NVS initialization failed : %s",esp_err_to_name(err));
        return err;
    }

    ESP_LOGI(TAG,"NVS initialized successfully");
    return ESP_OK;    
}