using SqlSugar;

namespace Model.Entity.Asset
{
    /// <summary>
    /// 设备台账状态记录（设备状态管理：状态变更历史记录，并可按时间筛选查询）
    /// </summary>
    public class EquipmentStatusRecordEntity : BaseEntity
    {
        /// <summary>
        /// 设备Id（关联 EquipmentEntity.Id）
        /// </summary>
        public long EquipmentId { get; set; }

        /// <summary>
        /// 变更前状态
        /// </summary>
        public EquipmentStatusEnum FromStatus { get; set; }

        /// <summary>
        /// 变更后状态
        /// </summary>
        public EquipmentStatusEnum ToStatus { get; set; }

        /// <summary>
        /// 状态变更时间
        /// </summary>
        public DateTime ChangeTime { get; set; }

        /// <summary>
        /// 操作人
        /// </summary>
        [SugarColumn(Length = 50, IsNullable = true)]
        public string? Operator { get; set; }

        /// <summary>
        /// 变更原因/备注
        /// </summary>
        [SugarColumn(Length = 500, IsNullable = true)]
        public string? Remark { get; set; }
    }
}