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

namespace Util.Tests.Models; 

/// <summary>
/// 订单
/// </summary>
[Description( "订单" )]
public class Order : AggregateRoot<Order, string>, IDelete {
    /// <summary>
    /// 初始化订单
    /// </summary>
    public Order() : this( string.Empty ) {
    }

    /// <summary>
    /// 初始化订单
    /// </summary>
    /// <param name="id">订单标识</param>
    public Order( string id ) : base( id ) {
        OrderItems = new List<OrderItem>();
    }

    /// <summary>
    /// 客户标识
    ///</summary>
    [Description( "客户标识" )]
    public int? CustomerId { get; set; }
    /// <summary>
    /// 客户名称
    ///</summary>
    [Description( "客户名称" )]
    [MaxLength( 200 )]
    public string CustomerName { get; set; }
    /// <summary>
    /// 金额
    ///</summary>
    [Description( "金额" )]
    [Required( ErrorMessage = "金额不能为空" )]
    public decimal Amount { get; set; }
    /// <summary>
    /// 下单时间
    ///</summary>
    [Description( "下单时间" )]
    public DateTime? PlaceOrderTime { get; set; }
    /// <summary>
    /// 订单状态
    ///</summary>
    [Description( "订单状态" )]
    [Required( ErrorMessage = "订单状态不能为空" )]
    public int State { get; set; }
    /// <summary>
    /// 是否删除
    ///</summary>
    [Description( "是否删除" )]
    public bool IsDeleted { get; set; }

    /// <summary>
    /// 订单项列表
    /// </summary>
    public ICollection<OrderItem> OrderItems { get; set; }

    /// <summary>
    /// 添加变更列表
    /// </summary>
    protected override void AddChanges( Order other ) {
        AddChange( t => t.CustomerId, other.CustomerId );
        AddChange( t => t.CustomerName, other.CustomerName );
        AddChange( t => t.Amount, other.Amount );
        AddChange( t => t.PlaceOrderTime, other.PlaceOrderTime );
        AddChange( t => t.State, other.State );
    }
}