using SqlSugar;

namespace Model.Entity.Config
{
    /// <summary>
    /// 设备日志（每台设备独享的日志记录）
    /// 记录设备的通讯、连接、数据采集等运行日志，按设备查询
    /// </summary>
    public class DeviceLogEntity : BaseEntity
    {
        /// <summary>
        /// 设备Id（关联 IotDeviceEntity.Id）
        /// </summary>
        [SugarColumn(ColumnDescription = "设备Id")]
        public long DeviceId { get; set; }

        /// <summary>
        /// 设备编号（冗余便于查询展示）
        /// </summary>
        [SugarColumn(ColumnDescription = "设备编号", Length = 64)]
        public string? DeviceCode { get; set; }

        /// <summary>
        /// 日志级别（Info/Warn/Error）
        /// </summary>
        [SugarColumn(ColumnDescription = "日志级别", Length = 16)]
        public string? Level { get; set; } = "Info";

        /// <summary>
        /// 日志类型（连接/通讯/采集/指令/系统）
        /// </summary>
        [SugarColumn(ColumnDescription = "日志类型", Length = 32)]
        public string? LogType { get; set; }

        /// <summary>
        /// 日志内容
        /// </summary>
        [SugarColumn(ColumnDescription = "日志内容", ColumnDataType = "text")]
        public string? Message { get; set; }

        /// <summary>
        /// 记录时间（日志产生时间，用于时间线展示）
        /// </summary>
        [SugarColumn(ColumnDescription = "记录时间")]
        public DateTime LogTime { get; set; }
    }
}