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

namespace Comal.Classes
{
    public class JobBillOfMaterialsItem : DimensionedEntity<StockDimensions>, IRemotable, IPersistent, IOneToMany<Job>, 
        IOneToMany<JobBillOfMaterials>, ISequenceable, ILicense<ProjectManagementLicense>, IJobMaterial
    {
        [NullEditor]
        [EntityRelationship(DeleteAction.Cascade)]
        public JobLink Job { get; set; }

        [NullEditor]
        [EntityRelationship(DeleteAction.Cascade)]
        public JobBillOfMaterialsLink BillOfMaterials { get; set; }

        [EditorSequence(1)]
        [TextBoxEditor]
        public string Section { get; set; }

        [EditorSequence(2)]
        [EntityRelationship(DeleteAction.SetNull)]
        public JobITPLink ITP { get; set; }

        [EditorSequence(3)]
        [EntityRelationship(DeleteAction.SetNull)]
        public ProductLink Product { get; set; }

        [EditorSequence(4)]
        [EntityRelationship(DeleteAction.SetNull)]
        public ProductStyleLink Style { get; set; }

        [NullEditor]
        [Obsolete("Replaced by Dimensions",true)]
        public double UnitSize { get; set; }

        [EditorSequence(5)]
        [RequiredColumn]
        public override StockDimensions Dimensions { get; set; }
        
        [EditorSequence(6)]
        public double Quantity { get; set; }

        [EditorSequence(7)]
        public SupplierLink Supplier { get; set; }

        [NullEditor]
        public long Sequence { get; set; }

        protected override void Init()
        {
            base.Init();
            Job = new JobLink();
            BillOfMaterials = new JobBillOfMaterialsLink();
            ITP = new JobITPLink();
            
            Product = new ProductLink();
            Product.PropertyChanged += Product_PropertyChanged;
            //LinkProperty<ProductLink, JobBillOfMaterialsItem>(x => x.UnitSize, x => x.UnitSize);

            Style = new ProductStyleLink();
            LinkProperty<ProductLink, JobBillOfMaterialsItem>(x => x.DefaultStyle.ID, x => x.Style.ID);
            
            Supplier = new SupplierLink();

            Dimensions = new StockDimensions();
        }

        private void Product_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
        {
        }

        private static Column<JobRequisitionItem> dimensions = new Column<JobRequisitionItem>(x => x.Product.Dimensions);
        private static Column<JobRequisitionItem> style = new Column<JobRequisitionItem>(x => x.Product.DefaultStyle);
        
        private bool bChanging;

        protected override void DoPropertyChanged(string name, object before, object after)
        {
            if (bChanging)
                return;

            if (dimensions.IsParentOf(name))
            {
                bChanging = true;
                String col = String.Join(".", name.Split('.').Skip(1));
                CoreUtils.SetPropertyValue(this, col, after);
                bChanging = false;
            }            
            
            else if (style.IsParentOf(name))
            {
                bChanging = true;
                String col = String.Join(".", name.Split('.').Skip(1));
                CoreUtils.SetPropertyValue(this, col, after);
                bChanging = false;
            }

            else
                base.DoPropertyChanged(name, before, after);
        }
        
    }

}