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

namespace CampusErrand.Models;

/// <summary>
/// 订单表
/// </summary>
public class Order
{
    [Key]
    public int Id { get; set; }

    /// <summary>订单编号</summary>
    [MaxLength(32)]
    public string OrderNo { get; set; } = string.Empty;

    /// <summary>单主用户 ID</summary>
    public int OwnerId { get; set; }

    /// <summary>跑腿用户 ID</summary>
    public int? RunnerId { get; set; }

    /// <summary>订单类型</summary>
    public OrderType OrderType { get; set; }

    /// <summary>订单状态</summary>
    public OrderStatus Status { get; set; } = OrderStatus.Pending;

    /// <summary>物品名称/要做的事情</summary>
    [MaxLength(256)]
    public string ItemName { get; set; } = string.Empty;

    /// <summary>取货/代取地点</summary>
    [MaxLength(256)]
    public string? PickupLocation { get; set; }

    /// <summary>送达地点</summary>
    [MaxLength(256)]
    public string DeliveryLocation { get; set; } = string.Empty;

    /// <summary>备注信息</summary>
    [MaxLength(512)]
    public string? Remark { get; set; }

    /// <summary>联系手机号</summary>
    [MaxLength(20)]
    public string Phone { get; set; } = string.Empty;

    /// <summary>跑腿佣金</summary>
    [Column(TypeName = "decimal(10,2)")]
    public decimal Commission { get; set; }

    /// <summary>商品总金额（万能帮/代购/美食街）</summary>
    [Column(TypeName = "decimal(10,2)")]
    public decimal? GoodsAmount { get; set; }

    /// <summary>支付总金额</summary>
    [Column(TypeName = "decimal(10,2)")]
    public decimal TotalAmount { get; set; }

    /// <summary>完成凭证图片</summary>
    [MaxLength(512)]
    public string? CompletionProof { get; set; }

    /// <summary>是否已评价</summary>
    public bool IsReviewed { get; set; }

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

    /// <summary>接单时间</summary>
    public DateTime? AcceptedAt { get; set; }

    /// <summary>完成时间</summary>
    public DateTime? CompletedAt { get; set; }

    /// <summary>IM 群组 ID（接单时创建）</summary>
    [MaxLength(64)]
    public string? ImGroupId { get; set; }

    // 导航属性
    [ForeignKey(nameof(OwnerId))]
    public User? Owner { get; set; }

    [ForeignKey(nameof(RunnerId))]
    public User? Runner { get; set; }

    public ICollection<FoodOrderItem> FoodOrderItems { get; set; } = [];
}