using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using CoreAgent.ProtocolClient.Enums;

namespace CoreAgent.ProtocolClient.Models
{
    /// <summary>
    /// 协议日志详情实体
    /// 用于存储解析后的协议日志详细信息到数据库
    /// </summary>
    [Table("ProtocolLogDetails")]
    public class ProtocolLogDetail
    {
        /// <summary>
        /// 主键ID
        /// </summary>
        [Key]
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        public long Id { get; set; }

        /// <summary>
        /// 协议层类型
        /// </summary>
        [Required]
        [Column("LayerType")]
        public ProtocolLayer LayerType { get; set; }

        /// <summary>
        /// 消息详情集合（JSON格式存储）
        /// </summary>
        [Column("MessageDetail", TypeName = "TEXT")]
        public string? MessageDetailJson { get; set; }

        /// <summary>
        /// 小区ID
        /// </summary>
        [Column("CellID")]
        public int? CellID { get; set; }

        /// <summary>
        /// 国际移动用户识别码
        /// </summary>
        [Column("IMSI", TypeName = "VARCHAR(20)")]
        [MaxLength(20)]
        public string? IMSI { get; set; }

        /// <summary>
        /// 日志方向类型
        /// </summary>
        [Required]
        [Column("Direction")]
        public int Direction { get; set; }

        /// <summary>
        /// 用户设备ID
        /// </summary>
        [Column("UEID")]
        public int? UEID { get; set; }

        /// <summary>
        /// 公共陆地移动网络标识
        /// </summary>
        [Column("PLMN", TypeName = "VARCHAR(10)")]
        [MaxLength(10)]
        public string? PLMN { get; set; }

        /// <summary>
        /// 时间间隔（毫秒）
        /// </summary>
        [Column("TimeMs")]
        public long TimeMs { get; set; }

        /// <summary>
        /// 时间戳
        /// </summary>
        [Required]
        [Column("Timestamp")]
        public long Timestamp { get; set; }

        /// <summary>
        /// 信息字段
        /// </summary>
        [Column("Info", TypeName = "TEXT")]
        public string? Info { get; set; }

        /// <summary>
        /// 消息字段
        /// </summary>
        [Column("Message", TypeName = "TEXT")]
        public string? Message { get; set; }


        /// <summary>
        /// 消息详情集合（非数据库字段，用于业务逻辑）
        /// </summary>
        [NotMapped]
        public IEnumerable<string>? MessageDetail
        {
            get => !string.IsNullOrEmpty(MessageDetailJson) 
                ? Newtonsoft.Json.JsonConvert.DeserializeObject<IEnumerable<string>>(MessageDetailJson) 
                : null;
            set => MessageDetailJson = value != null 
                ? Newtonsoft.Json.JsonConvert.SerializeObject(value) 
                : null;
        }

        /// <summary>
        /// 时间间隔（用于业务逻辑）
        /// </summary>
        [NotMapped]
        public TimeSpan Time
        {
            get => TimeSpan.FromMilliseconds(TimeMs);
            set => TimeMs = (long)value.TotalMilliseconds;
        }
    }
}