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

#include "protocol_mqtt_bcu.h"

//把这个请按照数据模型填充完毕
const devPointMap bms_points[] = {
    {"BCU_2", 0, 0, NULL}, // 总告警
    {"BCU_3", 0, 0, NULL}, // 总故障
    {"BCU_4", 0, 0, NULL}, // 单体过压告警一级
    {"BCU_5", 0, 0, NULL}, // 单体欠压告警一级
    {"BCU_6", 0, 0, NULL}, // 单体过温告警一级
    {"BCU_7", 0, 0, NULL}, // 单体低温告警一级
    {"BCU_8", 0, 0, NULL}, // 单体压差告警一级
    {"BCU_9", 0, 0, NULL}, // 充电过流告警一级
};

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

void protocol_build_json(uint16_t groupId)
{
	int val = 0;
    cJSON* root = cJSON_CreateObject();

    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", "4");
    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 devPointMap* point = &bms_points[i];
		if(point->groupId == groupId)
		{
			if (bms_points[i].get_val != NULL)
			{
				val = point->get_val(point->input);
			}
			else
			{
				val = 0; // 默认值
			}
		}
        cJSON_AddNumberToObject(dataObj, point->key, val);
    }

    // 转为 JSON 字符串
    char* json_str = cJSON_PrintUnformatted(root); 
	if (json_str) 
	{
        drv_mqtt_publish(json_str, strlen(json_str));
        cJSON_free(json_str);
    }
		
    cJSON_Delete(root);
}


void publish_all_bms_groups(void) {
    uint8_t max_group = 0;

    for (size_t i = 0; i < bms_point_count; i++) {
        if (bms_points[i].groupId > max_group) {
            max_group = bms_points[i].groupId;
        }
    }

    for (uint8_t g = 0; g <= max_group; g++) {
        protocol_build_json(g);
    }
}

void mqtt_publish_bms_data(uint32_t basetime)
{
    static uint32_t mqtt_cycle_tick  = 0;
	static uint8_t groupMax = 0;
	uint16_t i = 0;

    mqtt_cycle_tick += basetime;

    if(mqtt_cycle_tick > 60000)
    {
        mqtt_cycle_tick = 0;
		publish_all_bms_groups();
    }

}