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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.UI.Converters
{
    public class ProgressLengthSpoolConverter : IMultiValueConverter
    {
        public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
        {
            try
            {
                if (values.Count() == 2)
                {
                    double length = System.Convert.ToDouble(values[0]);
                    bool forOneSpool = System.Convert.ToBoolean(values[1]);
                    var totalBy4Spools = (double)length*4;// spools ;
                    if (forOneSpool)
                    {
                        return (double)totalBy4Spools / 4;
                    }
                    return totalBy4Spools;
                    
                }
                if (values.Count() == 3)
                {
                    double length = System.Convert.ToDouble(values[0]);
                    bool forOneSpool = System.Convert.ToBoolean(values[1]);
                    double currentProgresslength = System.Convert.ToDouble(values[2]) ;

                    var totalBy4Spools = (double)length *  4;
                    var currentProgressBy4Spools = (double)currentProgresslength * 4 ;
                    
                    int coeff = (int)currentProgressBy4Spools / (int)totalBy4Spools;
                    var progressCurrent = coeff == 0 ? currentProgressBy4Spools : currentProgressBy4Spools % (coeff * totalBy4Spools);//show for progress
                    
                    if (forOneSpool)
                    {
                       return (double)progressCurrent / 4;
                       
                    }
                    return progressCurrent;
                }
                return "-";
            }
            catch
            {
                return "-";
            }
        }

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