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

namespace ScreenToGif.Util.Converters
{
    /// <summary>
    /// The inverted BoolToVisibility converter.
    /// </summary>
    public class InvertedBoolToVisibility : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (!(value is bool vis))
                return DependencyProperty.UnsetValue;

            return vis ? Visibility.Collapsed: Visibility.Visible;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (!(value is Visibility vis))
                return DependencyProperty.UnsetValue;

            return !vis.Equals(Visibility.Visible);
        }
    }
}