using System;
using System.Threading.Tasks;
using Comal.Classes;
using InABox.Core;
using InABox.Mobile;

namespace PRS.Mobile
{
    public class ManufacturingPacketEditViewModel : MobileViewModel<ManufacturingPacket, ManufacturingPacketShell>
    {
        
        public SetoutDocumentModel Documents { get; private set; }
        
        public AuditTrailModel AuditTrail { get; private set; }

        public ManufacturingPacketStageModel Stages { get; private set; }
        
        public PurchaseOrderItemModel OrderItems { get; private set; }
        
        public ManufacturingPacketEditViewModel()
        {
            Documents = new SetoutDocumentModel(App.Data,
                () => new Filter<SetoutDocument>(x => x.EntityLink.ID).IsEqualTo(Item?.SetoutID ?? CoreUtils.FullGuid));
            AuditTrail = new AuditTrailModel(App.Data,
                () => new Filter<AuditTrail>(x => x.EntityID).IsEqualTo(Item?.ID ?? CoreUtils.FullGuid));
            Stages = new ManufacturingPacketStageModel(App.Data,
                () => new Filter<ManufacturingPacketStage>(x => x.Parent.ID).IsEqualTo(Item?.ID ?? CoreUtils.FullGuid));
            OrderItems = new PurchaseOrderItemModel(App.Data,
                () => new Filter<PurchaseOrderItem>(x => x.ID).IsEqualTo(Item?.OrderID ?? CoreUtils.FullGuid));
        }
        
        protected override void DoLoad()
        {
            var tasks = new Task[]
            {
                Task.Run(() => Documents.Refresh(true)),
                Task.Run(() => AuditTrail.Refresh(true)),
                Task.Run(() => Stages.Refresh(true)),
                Task.Run(() => OrderItems.Refresh(true))
            };
            Task.WaitAll(tasks);
        }
        public override bool IsChanged => Item == null || Item.ID == Guid.Empty || Item.IsChanged();
        
    }
}