using BeWo.ServiceProxy;
using BS.Shared.DataContracts;
using BS.Shared.Extensions;
using ChatController.Utilities.Extensions;
using DevExpress.Mvvm;
using DevExpress.XtraPrinting.Native;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Threading;

namespace BeWo.ViewModel.ListViewModel
{
	public class AiConversationMessageListVM : AbstractDCListMapperVM<AiConversationMessageDC, AiConversationMessageVM>
	{
		public AiConversationMessageListVM() : this(null) { }
		public AiConversationMessageListVM(List<AiConversationMessageDC> pDCs) : base(pDCs)
		{
			VMList.ListChanged += (s, e) =>
				{
					if (e.ListChangedType == ListChangedType.ItemChanged)
					{
						var changedItem = VMList[e.NewIndex];
						Item_PropertyChanged(changedItem, new PropertyChangedEventArgs(nameof(AiConversationMessageVM.IsChecked)));
					}
				};
		}

		private void Item_PropertyChanged(object sender, PropertyChangedEventArgs e)
		{
			if (e.PropertyName == nameof(AiConversationMessageVM.IsChecked))
			{
				var changedItem = (AiConversationMessageVM)sender;
				int index = VMList.IndexOf(changedItem);

				if (changedItem.IsChecked)
				{
					for (int i = 0; i <= index; i++)
						if (!VMList[i].IsChecked)
							VMList[i].IsChecked = true;
				}
				else
				{
					for (int i = index; i < VMList.Count; i++)
						if (VMList[i].IsChecked) 
							VMList[i].IsChecked = false;
				}
			}
		}
	}
}