using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

using Abp.Domain.Entities.Auditing;

using VberZero.BaseSystem.Users;

namespace VberZero.BaseSystem;

[Table("Sys_Helps")]
public class SysHelp : FullAuditedEntity<int, User>
{
    public const int TitleMaxLength = 50;
    public const int KeyWordsMaxLength = 50;
    public const int ContentMaxLength = int.MaxValue;
    public const int RemarkMaxLength = 1000;

    /// <summary>
    /// 分类
    /// </summary>
    public VzDefinition.HelpType HelpType { get; set; }

    [Required]
    [StringLength(TitleMaxLength)]
    public string Title { get; set; }

    /// <summary>
    /// 关键字
    /// </summary>
    [StringLength(KeyWordsMaxLength)]
    public string KeyWords { get; set; }

    /// <summary>
    /// 内容
    /// </summary>
    [StringLength(ContentMaxLength)]
    public string Content { get; set; }

    /// <summary>
    /// 菜单编码（预留）
    /// </summary>
    public int? FunctionNo { get; set; }

    [ForeignKey("FunctionNo")]
    public SysFunction Function { get; set; }

    /// <summary>
    /// 权限名称
    /// </summary>
    [NotMapped] public string PermissionName => Function?.PermissionName;

    /// <summary>
    /// 章节
    /// </summary>
    public int Sequence { get; set; }

    [StringLength(RemarkMaxLength)]
    public string Remark { get; set; }
}