using System;
using System.Collections.ObjectModel;
using System.Threading.Tasks;
using Comal.Classes;
using InABox.Core;
using InABox.Mobile;
using Syncfusion.XForms.Buttons;
using Xamarin.Forms;

namespace PRS.Mobile
{ 
    
    
    public class KanbanEditViewModel : MobileViewModel<Kanban, IKanbanShell>
    {
        
        public KanbanDocumentModel Documents { get; set; }
        
        public KanbanFormModel Forms { get; set; }
        
        public KanbanEditViewModel()
        {
            Documents = new KanbanDocumentModel(App.Data,
                () => new Filter<KanbanDocument>(x => x.EntityLink.ID).IsEqualTo(Item?.ID ?? CoreUtils.FullGuid));
            
            Forms = new KanbanFormModel(App.Data, 
                () => new Filter<KanbanForm>(x => x.Parent.ID).IsEqualTo(Item?.ID ?? CoreUtils.FullGuid));
        }

        protected override void DoLoad()
        {
            var tasks = new Task[]
            {
                Task.Run(() => Forms.Refresh(true)),
                Task.Run(() => Documents.Refresh(true))
            };
            Task.WaitAll(tasks);
        }
        
        public override bool IsChanged => Item == null || Item.ID == Guid.Empty || Item.IsChanged();
    }
}