using System.ComponentModel.DataAnnotations.Schema;

namespace Distribution.Models
{
    /// <summary>
    /// Backs both batch/lot tracking and expiry-only tracking for an item. BatchNumber is null
    /// when the item tracks an expiry date but not a batch number (TracksExpiryDate without
    /// TracksBatches).
    /// </summary>
    public class ItemBatch : Template
    {
        public Guid FK_ItemId { get; set; }
        [ForeignKey("FK_ItemId")]
        public Item Item { get; set; }

        public string? BatchNumber { get; set; }
        public DateTime? ManufactureDate { get; set; }
        public DateTime? ExpiryDate { get; set; }
    }
}