using System.Linq;
using InABox.Core;

namespace Comal.Classes
{
    public class StockAreaLoookups : EntityLookup<StockArea>, ILookupDefinition<StockArea, StockLocation>
    {
        public Filter<StockArea> DefineFilter(StockLocation[] items)
        {
            var ids = items.Select(x => x.Warehouse.ID).Distinct().ToArray();
            if (ids.Length == 1)
                return new Filter<StockArea>(x => x.Warehouse.ID).IsEqualTo(ids[0]).And(x => x.Active).IsEqualTo(true);
            return new Filter<StockArea>(x => x.ID).IsEqualTo(CoreUtils.FullGuid);
        }

        Columns<StockLocation> ILookupDefinition<StockArea, StockLocation>.DefineFilterColumns()
            => new Columns<StockLocation>(x => x.Warehouse.ID);

        public override Columns<StockArea> DefineColumns()
        {
            return new Columns<StockArea>(
                x => x.ID,
                x => x.Code,
                x => x.Description
            );
        }

        public override Filter<StockArea> DefineFilter()
        {
            return new Filter<StockArea>(x => x.Active).IsEqualTo(true);
        }

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