using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;
using Tango.Core.ExtensionMethods;

namespace Tango.SharedUI.Converters
{
    public class DisplayMemberPathConverter : IMultiValueConverter
    {
        public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
        {
            if (values.Length == 2 && values[0] != null && values[1] != null)
            {
                Object obj = values[0];
                String path = values[1].ToString();
                return obj.GetPropertyValueByPath(path);
            }
            else if (values.Length > 0)
            {
                return values[0];
            }
            else
            {
                return null;
            }
        }

        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}