using System;
using System.Globalization;
using System.Linq;
using System.Windows;
using System.Windows.Data;

namespace BeWo.Converter
{
    public class StringLengthVisibilityMultiConverter : IMultiValueConverter
    {
        public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
        {
            if(values == null || values.Length < 2 || values.Any(a => string.IsNullOrWhiteSpace(a?.ToString())))
            {
                return Visibility.Collapsed;
            }

            return Visibility.Visible;
        }

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