using System;
using System.Collections.Generic;
using System.Windows.Data;

namespace DTS.Common.Converters
{
    [ValueConversion(typeof(List<string>), typeof(string))]
    public class ListToStringConverter : IValueConverter
    {

        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            if (targetType != typeof(string))
                throw new InvalidOperationException("The target must be a String");

            return String.Join(", ", ((List<string>)value)?.ToArray() ?? throw new InvalidOperationException());
        }

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