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

namespace DTS.Common.Converters
{
    public class IsLessThanConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            var left = value != null && decimal.TryParse(value.ToString(), out _) ? decimal.Parse(value.ToString(), culture.NumberFormat) : 0;
            var right = parameter != null && decimal.TryParse(parameter.ToString(), out _) ? decimal.Parse(parameter.ToString(), culture.NumberFormat) : 0;

            return left < right;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return DependencyProperty.UnsetValue;
        }
    }
}