/******************************************************************************
 * @file      protocol_mqtt_bcu.c
 * @brief     protocol_mqtt_bcu
 * @version   V1.0
 * @author    Gary
 * @copyright
 ******************************************************************************/

#include "protocol_mqtt_bcu.h"


const devPointMap bms_points[] = {
    {"BCU_2", NULL}, // 总告警
    {"BCU_3", NULL}, // 总故障
    {"BCU_4", NULL}, // 单体过压告警一级
    {"BCU_5", NULL}, // 单体欠压告警一级
    {"BCU_6", NULL}, // 单体过温告警一级
    {"BCU_7", NULL}, // 单体低温告警一级
    {"BCU_8", NULL}, // 单体压差告警一级
    {"BCU_9", NULL}, // 充电过流告警一级
};

const int bms_point_count = sizeof(bms_points) / sizeof(bms_points[0]);

char* protocol_build_json(void)
{
    cJSON* root = cJSON_CreateObject();
    if (!root) return NULL;

    // 时间戳字段（此处你需替换成实际时间函数）
    cJSON_AddNumberToObject(root, "timeStamp", drv_rtc_get_tick());

    // devData 数组
    cJSON* devDataArr = cJSON_CreateArray();
    cJSON_AddItemToObject(root, "devData", devDataArr);

    // 构建每一个设备项
    cJSON* deviceObj = cJSON_CreateObject();
    cJSON_AddItemToArray(devDataArr, deviceObj);

    cJSON_AddStringToObject(deviceObj, "devType", "BMS");
    cJSON_AddStringToObject(deviceObj, "devName", "BCU");
    cJSON_AddStringToObject(deviceObj, "devId", "001");
    cJSON_AddStringToObject(deviceObj, "sn", "SN123456");

    // 构建 data 对象
    cJSON* dataObj = cJSON_CreateObject();
    cJSON_AddItemToObject(deviceObj, "data", dataObj);

    for (int i = 0; i < bms_point_count; ++i)
    {
        const char* key = bms_points[i].key;
        int val = 0;

        if (bms_points[i].get_val != NULL)
        {
            val = bms_points[i].get_val();
        }
        else
        {
            val = 0; // 默认值
        }

        cJSON_AddNumberToObject(dataObj, key, val);
    }

    // 转为 JSON 字符串
    char* json_str = cJSON_PrintUnformatted(root); // 使用 Unformatted 避免换行
    cJSON_Delete(root);
    return json_str;
}

void mqtt_publish_bms_data(uint16_t basetime)
{
	static uint32_t mqtt_cycle_tick  = 0;
	mqtt_cycle_tick += basetime;
	
	if(mqtt_cycle_tick > 60000)
	{
		mqtt_cycle_tick = 0;
    char* json_str = protocol_build_json();
    if (json_str == NULL)
    {
        return;
    }

    drv_mqtt_publish(json_str, strlen(json_str));

    cJSON_free(json_str);
	}

}