const messageId = "evt_startup_" + Date.now();
const timestamp = Date.now();
//nameSpace：命名空间，需要改改为正确的命名空间代码
const nameSpace = "Environment"
const clientCode = "Data-It_XzOffice";
//此处需改为正确的设备实体唯一ID
const deviceId = "sensor.miaomiaoc_cn_blt_3_11a1sbr5k5o01_t2_temperature_p_2_1";
const deviceType = "sensor";

// 按照胜透物联网通信协议生成事件数据
const eventMessage = {
    "messageId": messageId,
    "timestamp": timestamp,
    "clientCode": clientCode,
    "deviceId": deviceId,
    "deviceType": deviceType,
    "version": "1.0",
    "data": {
        "events": [
            {
                "eventType": "startup",
                "eventLevel": "info",
                "eventCode": "EVT_001",
                "description": "HomeAssistant温度传感器代理设备启动完成",
                "timestamp": timestamp
            }
        ]
    }
};

// 设置MQTT发布主题
msg.topic = `${nameSpace}/${deviceType}/${deviceId}/events`;
msg.payload = JSON.stringify(eventMessage);
msg.qos = 1;

node.log("设备启动事件已生成，发布到主题: " + msg.topic);

return msg;