using System;
using SqlSugar;

namespace YD_Event.Core.Entities
{
    /// <summary>
    /// 证书占位符表 (CertificatePlaceholder)
    /// </summary>
    [SugarTable("CertificatePlaceholder")]
    public class CertificatePlaceholder : Entity<long>, ISoftDelete, ISortable,
        ICreatedUserId, ICreatedTime, IUpdatedUserId, IUpdatedTime
    {
        /// <summary>
        /// 模板ID (关联 CertificateTemplate)
        /// </summary>
        [SugarColumn(ColumnDescription = "模板ID", IsNullable = false)]
        public long TemplateId { get; set; }

        /// <summary>
        /// 占位符键名 (如: UserName, CourseName)
        /// </summary>
        [SugarColumn(ColumnDescription = "占位符键名", IsNullable = false)]
        public string PlaceholderKey { get; set; }

        /// <summary>
        /// 占位符显示名称
        /// </summary>
        [SugarColumn(ColumnDescription = "占位符显示名称", IsNullable = true)]
        public string DisplayName { get; set; }

        /// <summary>
        /// 占位符类型: Text/Image/QRCode/Date
        /// </summary>
        [SugarColumn(ColumnDescription = "占位符类型", IsNullable = false, DefaultValue = "Text")]
        public string PlaceholderType { get; set; }

        /// <summary>
        /// 默认值
        /// </summary>
        [SugarColumn(ColumnDescription = "默认值", IsNullable = true)]
        public string DefaultValue { get; set; }

        /// <summary>
        /// 是否必填
        /// </summary>
        [SugarColumn(ColumnDescription = "是否必填", DefaultValue = "0")]
        public bool IsRequired { get; set; }

        /// <summary>
        /// 验证正则表达式
        /// </summary>
        [SugarColumn(ColumnDescription = "验证正则表达式", IsNullable = true)]
        public string ValidationRule { get; set; }

        /// <summary>
        /// 描述信息
        /// </summary>
        [SugarColumn(ColumnDescription = "描述信息", IsNullable = true)]
        public string Description { get; set; }

        /// <summary>
        /// 排序
        /// </summary>
        [SugarColumn(ColumnDescription = "排序")]
        public int Sort { get; set; }

        /// <summary>
        /// 软删除
        /// </summary>
        [SugarColumn(ColumnDescription = "软删除")]
        public bool DeleteMark { get; set; }

        [SugarColumn(ColumnDescription = "创建人ID")]
        public long CreatedUserId { get; set; }

        [SugarColumn(ColumnDescription = "创建时间")]
        public DateTime CreatedTime { get; set; }

        [SugarColumn(ColumnDescription = "修改人ID", IsNullable = true)]
        public long? UpdatedUserId { get; set; }

        [SugarColumn(ColumnDescription = "修改时间", IsNullable = true)]
        public DateTime? UpdatedTime { get; set; }
    }
}