using InABox.Core;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Comal.Classes
{
    public class ProductTreatment : Entity, IManyToMany<Product, TreatmentType>, IRemotable, IPersistent, ILicense<ProductManagementLicense>
    {
        [NullEditor]
        public ProductLink Product { get; set; }

        private class TreatmentTypeLookup : LookupDefinitionGenerator<TreatmentType, ProductTreatment>
        {
            public override Filter<TreatmentType>? DefineFilter(ProductTreatment[] items)
            {
                if (items.Length != 1) return Filter.None<TreatmentType>();

                var item = items[0];

                var productID = item.Product.ID;
                var currentTreatment = item.TreatmentType.ID;

                return new Filter<TreatmentType>(x => x.ID)
                    .NotInQuery(new Filter<ProductTreatment>(x => x.Product.ID).IsEqualTo(productID), x => x.TreatmentType.ID)
                    .Or(x => x.ID).IsEqualTo(currentTreatment);
            }

            public override Columns<ProductTreatment> DefineFilterColumns()
            {
                return Columns.None<ProductTreatment>().Add(x => x.Product.ID).Add(x => x.TreatmentType.ID);
            }
        }
        [EditorSequence(1)]
        [LookupDefinition(typeof(TreatmentTypeLookup))]
        public TreatmentTypeLink TreatmentType { get; set; }

        [EditorSequence(2)]
        [DoubleEditor]
        public double Parameter { get; set; }
    }
}