using System.ComponentModel.DataAnnotations.Schema;

namespace Distribution.Models
{
    public class Item : Template
    {
        public string Sku { get; set; }
        public string Name { get; set; }
        public string? Description { get; set; }

        public Guid FK_CategoryId { get; set; }
        [ForeignKey("FK_CategoryId")]
        public Category Category { get; set; }

        public Guid? FK_SubCategoryId { get; set; }
        [ForeignKey("FK_SubCategoryId")]
        public SubCategory? SubCategory { get; set; }

        public Guid? FK_BrandId { get; set; }
        [ForeignKey("FK_BrandId")]
        public Brand? Brand { get; set; }

        public Guid FK_BaseUomId { get; set; }
        [ForeignKey("FK_BaseUomId")]
        public Uom BaseUom { get; set; }

        public decimal? SalePrice { get; set; }

        /// <summary>Warehouse quantity threshold below which the item shows up in low-stock alerts; null disables alerting for this item.</summary>
        public decimal? ReorderLevel { get; set; }

        /// <summary>Cost/purchase price, used to value free-goods scheme redemptions for getSchemeROI.</summary>
        public decimal? CostPrice { get; set; }

        public bool TracksSerialNumbers { get; set; } = false;
        public bool TracksBatches { get; set; } = false;
        public bool TracksExpiryDate { get; set; } = false;
        public bool HasWarranty { get; set; } = false;
        public int? WarrantyPeriodDays { get; set; }
        public bool AllowCustomWarrantyPeriod { get; set; } = false;

        public SyncSource SyncSource { get; set; } = SyncSource.Manual;
        public int? ExternalErpItemId { get; set; }
        public DateTime? LastSyncedAt { get; set; }

        public ICollection<UomConversion> Conversions { get; set; } = [];
    }
}