using InABox.Core;

namespace Comal.Classes
{
    public class SupplierProductLookup : EntityLookup<SupplierProduct>, ILookupDefinition<SupplierProduct, Product>
    {
        public Filter<SupplierProduct> DefineFilter(Product[] items)
        {
            var id = items != null && items.Length == 1 ? items[0].ID : CoreUtils.FullGuid;
            return new Filter<SupplierProduct>(x => x.Product.ID).IsEqualTo(id);
        }

        Columns<Product> ILookupDefinition<SupplierProduct, Product>.DefineFilterColumns()
            => new Columns<Product>(x => x.ID);

        public override Columns<SupplierProduct> DefineColumns()
        {
            return new Columns<SupplierProduct>(
                x => x.ID,
                x => x.SupplierLink.Code,
                x => x.SupplierLink.Name
            );
        }

        public override Filter<SupplierProduct> DefineFilter()
        {
            return null;
        }

        public override SortOrder<SupplierProduct> DefineSortOrder()
        {
            return new SortOrder<SupplierProduct>(x => x.SupplierLink.Code);
        }
    }
}