namespace AgriculturalPlatform.Api.Models;

/// <summary>收购单-单磅记录（一张收购单支持多磅、多等级）</summary>
public class PurchaseWeigh
{
    public int Id { get; set; }

    public int PurchaseOrderId { get; set; }

    public PurchaseOrder? PurchaseOrder { get; set; }

    /// <summary>磅次序号（第几磅）</summary>
    public int SortNo { get; set; }

    /// <summary>等级（数据字典 purchase_grade）</summary>
    public string Grade { get; set; } = string.Empty;

    /// <summary>价格类型：Fixed=固定价 Manual=现场议价 Range=价格区间（数据字典 price_type）</summary>
    public string PriceType { get; set; } = "Manual";

    /// <summary>单价（元/公斤）</summary>
    public decimal UnitPrice { get; set; }

    /// <summary>毛重（kg）</summary>
    public decimal GrossWeight { get; set; }

    /// <summary>皮重（kg）</summary>
    public decimal TareWeight { get; set; }

    /// <summary>净重（kg）= 毛重 - 皮重</summary>
    public decimal NetWeight { get; set; }

    /// <summary>容器/框数</summary>
    public int BoxCount { get; set; }

    /// <summary>金额（元）= 净重 × 单价</summary>
    public decimal Amount { get; set; }

    public DateTime CreatedAt { get; set; } = DateTime.Now;
}