using System;
using InABox.Core;

namespace Comal.Classes
{
    [UserTracking(typeof(Quote))]
    public class QuoteCostSheetItem : Entity, IRemotable, IPersistent, IQuoteCostSheetItem, IOneToMany<QuoteCostSheet>, ITaxable, ILicense<QuotesManagementLicense>
    {
        [NullEditor]
        [EntityRelationship(DeleteAction.Cascade)]
        public QuoteCostSheetLink CostSheet { get; set; }

        [EntityRelationship(DeleteAction.SetNull)]
        [EditorSequence(1)]
        public ProductLink Product { get; set; }

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

        [DoubleEditor]
        [EditorSequence(3)]
        public double Qty { get; set; }

        [DoubleEditor]
        [EditorSequence(4)]
        public double Cost { get; set; }

        [EditorSequence(6)]
        public TaxCodeLink TaxCode { get; set; }

        [EnumLookupEditor(typeof(QuoteCostSheetItemLineType))]
        public QuoteCostSheetItemLineType Type { get; set; }

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

        [DoubleEditor(Editable = Editable.Disabled, Summary = Summary.Sum)]
        [EditorSequence(5)]
        public double ExTax { get; set; }

        [NullEditor]
        public double TaxRate { get; set; }

        [DoubleEditor(Editable = Editable.Disabled, Summary = Summary.Sum)]
        [EditorSequence(7)]
        public double Tax { get; set; }

        [DoubleEditor(Editable = Editable.Disabled, Summary = Summary.Sum)]
        [EditorSequence(8)]
        public double IncTax { get; set; }

        protected override void Init()
        {
            base.Init();
            CostSheet = new QuoteCostSheetLink();

            Product = new ProductLink(() => this);

            TaxCode = new TaxCodeLink(() => this);

        }

        static QuoteCostSheetItem()
        {
            LinkedProperties.Register<QuoteCostSheetItem, ProductLink, String>(x => x.Product, x => x.Name, x => x.Description);
            LinkedProperties.Register<QuoteCostSheetItem, ProductLink, double>(x => x.Product, x => x.NettCost, x => x.Cost);
            LinkedProperties.Register<QuoteCostSheetItem, TaxCodeLink, Guid>(x => x.Product.TaxCode, x => x.ID, x => x.TaxCode.ID);
            LinkedProperties.Register<QuoteCostSheetItem, TaxCodeLink, double>(x => x.Product.TaxCode, x => x.Rate, x => x.TaxCode.Rate);
            LinkedProperties.Register<QuoteCostSheetItem, TaxCodeLink, double>(x=>x.TaxCode, x => x.Rate, x => x.TaxRate);
        }

        protected override void DoPropertyChanged(string name, object before, object after)
        {
            base.DoPropertyChanged(name, before, after);

            if (name.Equals("Qty"))
                ExTax = (double)after * Cost;
            else if (name.Equals("Cost"))
                ExTax = (double)after * Qty;
        }
    }
}