using InABox.Core;
using System;
using System.Linq;

namespace Comal.Classes
{
    [UserTracking(typeof(Product))]
    public class ProductStyle : Entity, IRemotable, IPersistent, IProductStyle, ILicense<ProductManagementLicense>, IMergeable, IIssues, IProblems<ManagedProblem>
    {
        [EditorSequence(1)]
        [UniqueCodeEditor(Visible = Visible.Default, Editable = Editable.Enabled)]
        public string Code { get; set; } = "";

        [EditorSequence(2)]
        [TextBoxEditor]
        public string Description { get; set; } = "";

        [EditorSequence(3)]
        [DataModelTableName("Image")]
        public ImageDocumentLink Image { get; set; }

        private class TreatmentTypeLookup : LookupDefinitionGenerator<TreatmentType, Product>
        {
            public override Filter<TreatmentType>? DefineFilter(Product[] items)
            {
                return new Filter<TreatmentType>(x => x.Active).IsEqualTo(true);
            }
        }
        [LookupDefinition(typeof(TreatmentTypeLookup))]
        [EditorSequence(4)]
        public TreatmentTypeLink TreatmentType { get; set; }
        
       
        [NullEditor]
        [Obsolete("Replaced with Problem", true)]
        public string Issues { get; set; }
        
        [EditorSequence("Issues", 1)]
        public ManagedProblem Problem { get; set; }

        private class TreatmentProductLookup : LookupDefinitionGenerator<Product, ProductStyle>
        {
            public override Filter<Product>? DefineFilter(ProductStyle[] items)
            {
                var treatmentID = items.Select(x => x.TreatmentType.ID).SingleOrDefault();
                if(treatmentID == Guid.Empty)
                {
                    return Filter.None<Product>();
                }
                else
                {
                    return new Filter<Product>(x => x.TreatmentType.ID).IsEqualTo(treatmentID);
                }
            }

            public override Columns<ProductStyle> DefineFilterColumns()
            {
                return Columns.None<ProductStyle>().Add(x => x.TreatmentType.ID);
            }
        }
        [LookupDefinition(typeof(TreatmentProductLookup))]
        public ProductLink ManufacturingTreatmentProduct { get; set; }
        
        [LookupDefinition(typeof(TreatmentProductLookup))]
        public ProductLink StockTreatmentProduct { get; set; }

        public override string ToString() => $"{Code}: {Description}";

    }
}