using Avalonia.Data.Converters;
using System;
using System.Globalization;
using System.IO;

namespace AI.Converters
{
    public class FileExtensionConverter : IValueConverter
    {
        public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
        {
            if (value is string fileName)
            {
                string extension = Path.GetExtension(fileName);
                if (!string.IsNullOrEmpty(extension))
                {
                    return extension;
                }
            }
            return "";
        }

        public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}