using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using Util.Domain;
using Util.Domain.Auditing;
using Util.Domain.Entities;

namespace Util.Tests.Models; 

/// <summary>
/// 贴子
/// </summary>
[Description( "贴子" )]
public class Post : AggregateRoot<Post>, IDelete, IAudited {
    /// <summary>
    /// 初始化贴子
    /// </summary>
    public Post() : this( Guid.Empty ) {
    }

    /// <summary>
    /// 初始化贴子
    /// </summary>
    /// <param name="id">贴子标识</param>
    public Post( Guid id ) : base( id ) {
        Tags = new List<Tag>();
    }

    /// <summary>
    /// 标题
    ///</summary>
    [Description( "标题" )]
    [MaxLength( 200 )]
    public string Title { get; set; }
    /// <summary>
    /// 内容
    ///</summary>
    [Description( "内容" )]
    public string Content { get; set; }
    /// <summary>
    /// 创建时间
    ///</summary>
    [Description( "创建时间" )]
    public DateTime? CreationTime { get; set; }
    /// <summary>
    /// 创建人
    ///</summary>
    [Description( "创建人" )]
    public Guid? CreatorId { get; set; }
    /// <summary>
    /// 最后修改时间
    ///</summary>
    [Description( "最后修改时间" )]
    public DateTime? LastModificationTime { get; set; }
    /// <summary>
    /// 最后修改人
    ///</summary>
    [Description( "最后修改人" )]
    public Guid? LastModifierId { get; set; }
    /// <summary>
    /// 是否删除
    ///</summary>
    [Description( "是否删除" )]
    public bool IsDeleted { get; set; }

    /// <summary>
    /// 标签列表
    /// </summary>
    public ICollection<Tag> Tags { get; set; }

    /// <summary>
    /// 添加变更列表
    /// </summary>
    protected override void AddChanges( Post other ) {
        AddChange( t => t.Title, other.Title );
        AddChange( t => t.Content, other.Content );
        AddChange( t => t.CreationTime, other.CreationTime );
        AddChange( t => t.CreatorId, other.CreatorId );
        AddChange( t => t.LastModificationTime, other.LastModificationTime );
        AddChange( t => t.LastModifierId, other.LastModifierId );
        AddChange( t => t.ExtraProperties, other.ExtraProperties );
    }
}