using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Tango.PPC.Jobs.Converters
{
    public class DoubleNullConverter : System.Windows.Data.IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if(parameter is string && (string)parameter == "1")
            {
                return value is null ? "0" : double.TryParse(value.ToString(), out var pvalueResult) ? pvalueResult.ToString("0.##") : "";
            }
            return value is null ? "-" : double.TryParse(value.ToString(), out var valueResult) ? valueResult.ToString("0.##") : "";
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            //throw new NotImplementedException();
            if(value is double)
                return value;
            return 0;
        }
    }
}