using Microsoft.EntityFrameworkCore;
using System.ComponentModel.DataAnnotations;

namespace Apimanager_backend.Models
{
    public class Order
    {
        /// <summary>
        /// 主键，自增
        /// </summary>
        public int Id { get; set; }

        /// <summary>
        /// 外键，用户ID
        /// </summary>
        public int UserId { get; set; }

        /// <summary>
        /// 订单号，唯一
        /// </summary>
        [Required]
        public string OrderNumber { get; set; }  // varchar(50)

        /// <summary>
        /// 第三方系统订单编号
        /// </summary>
        public string? ThirdPartyOrderId { get; set; }  // varchar(100)

        /// <summary>
        /// 订单金额
        /// </summary>
        public decimal Amount { get; set; }  // decimal(10, 2)

        /// <summary>
        /// 订单类型
        /// </summary>
        public OrderType OrderType { get; set; }  // enum('Recharge','Purchase','Refund')

        /// <summary>
        /// 订单状态
        /// </summary>
        public OrderStatus Status { get; set; }  // enum('Pending','Completed','Cancelled','Failed')

        /// <summary>
        /// 创建时间，订单创建时间
        /// </summary>
        public DateTime CreatedAt { get; set; } = DateTime.UtcNow;  // timestamp

        /// <summary>
        /// 更新时间，订单状态更新时间
        /// </summary>
        public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;  // timestamp

        /// <summary>
        /// 订单描述，可选的详细信息
        /// </summary>
        public string? Description { get; set; }  // varchar(255)

        //导航属性
        public User? User { get; set; }
    }
}