/**
 ******************************************************************************
 * @file       user\task\DatalinkTask.c
 * @author     luhuaishuai
 * @version    v0.1
 * @date       2026-1-12
 * @brief      数据链路任务，负责处理与云快充的通信
 ******************************************************************************
 */

/* Includes ------------------------------------------------------------------*/
#include "DataLinkTask.h"
#include "YkcTask.h"
#include "lwip/opt.h"
#include "lwip/api.h"
#include "lwip/sys.h"
#include "httpd.h"

/* typedef --------------------------------------------------------------------*/

/* variables ------------------------------------------------------------------*/

/* code -----------------------------------------------------------------------*/

/**
 * @brief   DownLinkTask_Function：
 *
 * @note    none
 *
 * @param   taskID  : 任务ID
 *
 * @retval  runtime : 任务周期
 */

void DownLinkTask_Function(void const *argument)
{

    uint8_t air724_rx_msg[UART1_RX_BUFFER_SIZE];
    uint8_t rs485_rx_msg[UART3_RX_BUFFER_SIZE];
    uint8_t *ykc_downlink_frame = NULL;
    /* 等待 datalink_conn 初始化完成 */
    ulTaskNotifyTake(pdTRUE, portMAX_DELAY);

    /**/
    while (1)
    {
        /*---------------------------------------------------获取任务运行状态---------------------------------------------------*/

        TaskRunTimeStat.DownLinkTask.threads_runtime = GetTask_RunTime(DownLinkTaskID);
        TaskRunTimeStat.DownLinkTask.threads_counter = GetTask_Beatcnt(DownLinkTaskID);
        TaskRunTimeStat.DownLinkTask.threads_freestack = Get_Free_Stack(DownLinkTaskID);

        if (xQueueReceive(Air724_Message_Queue, &air724_rx_msg, 10) == pdPASS)
        {
            if (air724_rx_msg[0] == 0x55 && air724_rx_msg[1] == 0xAA)
            {
                // 主指令解析
                switch (air724_rx_msg[2])
                {
                // 云快冲下行解析
                case 0x01:
                {
                    uint8_t charger_index = air724_rx_msg[3];
                    uint8_t ykc_downlink_frame_len = air724_rx_msg[4];
                    memcpy(ykc_downlink_frame, &air724_rx_msg[5], ykc_downlink_frame_len);

                    SERVER_PACK frame;
                    frame.start_flag = ykc_downlink_frame[0];
                    frame.len = ykc_downlink_frame[1];
                    frame.serial = (ykc_downlink_frame[2] << 8) | ykc_downlink_frame[3];
                    frame.encrypt_flag = ykc_downlink_frame[4];
                    frame.frame_type = ykc_downlink_frame[5];
                    frame.data = (uint8_t *)pvPortMalloc(frame.len - 4);
                    memcpy(frame.data, ykc_downlink_frame + HEADER_LENGTH, frame.len - 4);
                    frame.crc = (ykc_downlink_frame[HEADER_LENGTH + frame.len] << 8) | ykc_downlink_frame[HEADER_LENGTH + frame.len + 1];

                    printf("Raw Bytes: ");
                    for (int i = 0; i < ykc_downlink_frame_len; i++)
                    {
                        printf("%02X ", ykc_downlink_frame[i]);
                        if ((i + 1) % 16 == 0) // 每16字节换行
                        {
                            printf("\r");
                        }
                    }
                    printf("\r");

                    handle_ykc_downlink(charger_index, &frame);

                    vPortFree(frame.data);
                }
                break;
                }
            }
        }

        if (xQueueReceive(RS485_Message_Queue, &rs485_rx_msg, 10) == pdPASS)
        {
#ifdef DEBUG
            printf("rs-485_rx_msg: %s", rs485_rx_msg);
#endif
        }
    }
}