using System;
using System.Windows.Data;

namespace DTS.Common.Converters
{
    [System.Diagnostics.CodeAnalysis.SuppressMessage("Minor Code Smell", "S101:Types should be named in PascalCase", Justification = "Acronym")]
    public class DSPStreamingFilterFrequencyConverter : IValueConverter
    {
        private const double EPSILON = .00001D;

        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            if (value is double d)
            {
                if (double.IsNaN(d)) { return string.Empty; }
                if (Math.Abs(d - 0D) < EPSILON) { return Strings.Strings.Table_NA; }
                return d.ToString("F1");
            }
            return Strings.Strings.Table_NA;
        }

        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            return value.Equals(true) ? parameter : Binding.DoNothing;
        }
    }
}