using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;

namespace Dominion.NET_WPF.ViewModel
{
    internal class AIListViewModel
	{
		public ObservableCollection<AIViewModel> AIs { get; set; }
		public void ShowAIs(IEnumerable<Type> ais)
		{
			AIs = new ObservableCollection<AIViewModel>();
			foreach (var type in ais)
				AIs.Add(new AIViewModel { AI = type, IsChecked = false });
		}

		public AIListViewModel()
		{
			AIs = new ObservableCollection<AIViewModel>();
		}

		public AIListViewModel(IEnumerable<Type> ais, ICollection<string> allowedAIs)
		{
			AIs = new ObservableCollection<AIViewModel>();
			foreach (var type in ais)
				AIs.Add(new AIViewModel { AI = type, IsChecked = allowedAIs.Contains(type.FullName) });
		}

		protected static IEnumerable<AIViewModel> ExtractData(object data)
		{
		    var models = data as IEnumerable<AIViewModel>;
		    return models ?? Enumerable.Repeat((AIViewModel) data, 1);
		}

		protected static IList<AIViewModel> GetList(IEnumerable enumerable)
		{
		    if (enumerable is ICollectionView collectionView)
				return collectionView.SourceCollection as IList<AIViewModel>;
		    return enumerable as IList<AIViewModel>;
		}
	}
}