#include "system/includes.h"
#include "system/syscfg_id.h"
#include "nvs.h"

// 2. 定义一个唯一的配置项ID (必须在1-49之间)
#define CFG_FACTORY_INFO_ID         10

/**
 * @brief 将出厂信息写入Flash
 *
 * @param info 指向要写入的出厂信息结构体的指针
 * @return 实际写入的长度, <0: 失败
 */
int nvs_write_factory_info(const factory_info_t *info)
{
    if (!info) {
        return -1;
    }

    printf("--> Writing factory info to flash...\n");
    int ret = syscfg_write(CFG_FACTORY_INFO_ID, (void*)info, sizeof(factory_info_t));
    if (ret != sizeof(factory_info_t)) {
        printf("!!! syscfg_write factory info failed, ret = %d\n", ret);
    } else {
        printf("--> syscfg_write factory info success.\n");
    }

    return ret;
}

/**
 * @brief 从Flash读取出厂信息
 *
 * @param info 指向用于存储读取数据的出厂信息结构体的指针
 * @return 实际读取的长度, <0: 失败 (例如尚未写入过)
 */
int nvs_read_factory_info(factory_info_t *info)
{
    if (!info) {
        return -1;
    }

    printf("--> Reading factory info from flash...\n");
    int ret = syscfg_read(CFG_FACTORY_INFO_ID, (void*)info, sizeof(factory_info_t));
    if (ret != sizeof(factory_info_t)) {
        printf("!!! syscfg_read factory info failed, ret = %d. Maybe not set yet.\n", ret);
        // 如果读取失败，清空结构体以避免使用脏数据
        memset(info, 0, sizeof(factory_info_t));
    } else {
        printf("--> syscfg_read factory info success.\n");
        // 可以在这里打印读取到的信息以供调试
        printf("    Product ID: %s\n", info->product_id);
        printf("    Serial No:  %s\n", info->serial_number);
        printf("    HW Version: 0x%x\n", info->hw_version);
    }

    return ret;
}

/**
 * @brief 清空Flash中的出厂信息
 *
 * @return 0: 成功, <0: 失败
 */
int nvs_clear_factory_info(void)
{
    printf("--> Clearing factory info from flash...\n");
    // 写入长度为0的数据即可实现删除效果
    int ret = syscfg_write(CFG_FACTORY_INFO_ID, NULL, 0);
    if (ret != 0) {
        printf("!!! syscfg_write clear factory info failed, ret = %d\n", ret);
    } else {
        printf("--> syscfg_write clear factory info success.\n");
    }
    return ret;
}


// 可以在这里添加一个测试函数
void nvs_test_factory_info(void)
{
    factory_info_t write_info = {
        .product_id = "RC_V2",
        .serial_number = "SN202511260002",
        .hw_version = 0x0102, // v1.1
        .cal_data = 1234,
        .manufacture_date = 1764080400, // 2025-11-26
    };
    factory_info_t read_info;

    printf("\n\n--- NVS WRITE TEST ---\n");
    nvs_write_factory_info(&write_info);

    os_time_dly(10);

    printf("\n--- NVS READ TEST ---\n");
    nvs_read_factory_info(&read_info);

    // ASSERT(memcmp(&write_info, &read_info, sizeof(factory_info_t)) == 0, "NVS Read/Write Check Failed!");

    // printf("\n--- NVS CLEAR TEST ---\n");
    // nvs_clear_factory_info();

    os_time_dly(10);

    printf("\n--- NVS READ AFTER CLEAR TEST ---\n");
    int ret = nvs_read_factory_info(&read_info);
    if(ret < 0){
        printf("--- nvs read error ---\n");
    }

    printf("\n\n--- NVS TEST COMPLETE ---\n\n");
}