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

namespace CampusErrand.Models;

/// <summary>
/// 改价记录表
/// </summary>
public class PriceChange
{
    [Key]
    public int Id { get; set; }

    /// <summary>订单 ID</summary>
    public int OrderId { get; set; }

    /// <summary>发起人 ID</summary>
    public int InitiatorId { get; set; }

    /// <summary>改价类型</summary>
    public PriceChangeType ChangeType { get; set; }

    /// <summary>原价</summary>
    [Column(TypeName = "decimal(10,2)")]
    public decimal OriginalPrice { get; set; }

    /// <summary>新价</summary>
    [Column(TypeName = "decimal(10,2)")]
    public decimal NewPrice { get; set; }

    /// <summary>状态</summary>
    public PriceChangeStatus Status { get; set; } = PriceChangeStatus.Pending;

    /// <summary>发起时间</summary>
    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;

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

    public User? Initiator { get; set; }
}