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

namespace Tango.PPC.Jobs.Converters
{
    /// <summary>
    /// Converts a job progress to X position using the specified UI element width.
    /// </summary>
    /// <seealso cref="System.Windows.Data.IMultiValueConverter" />
    public class JobProgressToPositionConverter : IMultiValueConverter
    {
        public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
        {
            if (values.Length == 3 && values[1] != DependencyProperty.UnsetValue)
            {
                double progress = (double)values[0];
                double total = (double)values[1];
                double ui_width = (double)values[2];
                return (progress / total) * ui_width;
            }

            return 0d;
        }

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