using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using Comal.Classes;
using InABox.Core;
using System.Diagnostics.CodeAnalysis;
using InABox.Mobile;

namespace comal.timesheets
{
    public class DeliveryItemDetailModel : DetailModel<DeliveryItemDetailModel, DeliveryItemDetailShell, DeliveryItem>
    {
        public DeliveryItemDetailModel(IModelHost host, Func<Filter<DeliveryItem>> filter, bool transient = false) : base(host, filter, transient)
        {
            new DeliveryItemDetailDeliveryDocumentShell();
            new DeliveryItemDetailSetoutDocumentShell();
        }

        public DeliveryItemDetailModel(IModelHost host, Func<Filter<DeliveryItem>> filter, [NotNull] string filename) : base(host, filter, filename)
        {
            new DeliveryItemDetailDeliveryDocumentShell();
            new DeliveryItemDetailSetoutDocumentShell();
        }

        protected override void Initialize()
        {
            base.Initialize();
            DeliveryDocuments = new CoreObservableCollection<DeliveryItemDetailDeliveryDocumentShell>();
            SetoutDocuments = new CoreObservableCollection<DeliveryItemDetailSetoutDocumentShell>();
        }
        
        public CoreObservableCollection<DeliveryItemDetailDeliveryDocumentShell> DeliveryDocuments { get; private set; }
        public CoreObservableCollection<DeliveryItemDetailSetoutDocumentShell> SetoutDocuments { get; private set; }

        public override void BeforeLoad(MultiQuery query)
        {
            base.BeforeLoad(query);
            query.Add<DeliveryDocument>(
                new Filter<DeliveryDocument>(x => x.EntityLink.ID).InQuery<DeliveryItem>(Filter(), x => x.Delivery.ID),
                DeliveryItemDetailDeliveryDocumentShell.Columns.Columns);
            
            query.Add<SetoutDocument>(
                new Filter<SetoutDocument>(x => x.EntityLink.ID).InQuery<DeliveryItem>(Filter(), x => x.SetoutLink.ID),
                DeliveryItemDetailSetoutDocumentShell.Columns.Columns);
        }

        public override void AfterLoad(MultiQuery query)
        {
            base.AfterLoad(query);


            var deldocs = query.Get<DeliveryDocument>()
                .Rows
                .Select(x => new DeliveryItemDetailDeliveryDocumentShell() { Row = x, Parent = this });
            DeliveryDocuments.ReplaceRange(deldocs);

            var mfgdocs = query.Get<SetoutDocument>()
                .Rows
                .Select(x=> new DeliveryItemDetailSetoutDocumentShell() { Row = x, Parent = this})
                .ToArray();
            SetoutDocuments.ReplaceRange(mfgdocs);
        }
    }
}