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

namespace SmartCharging.Converter
{
    class NumberToChargetImageConverter : IValueConverter
    {

        #region IValueConverter Members


        public object Convert(object value, Type targetType,
            object parameter, string language)
        {
            try
            {   int p = int.Parse((string)parameter);
                double v = (double)value;
                if (v >= p)
                {
                    return "Assets/full.png";
                }else {
                    if (v >= p - 0.3)
                    {
                        return "Assets/full.png";
                    }
                    else if (v >= p - 0.7)
                    {
                        return "Assets/semi.png";
                    }else{
                        return "Assets/empty.png";
                    }
                }
            
            }
            catch {
                return "Assets/empty.png";
            }
            
        }

        // ConvertBack is not implemented for a OneWay binding.
        public object ConvertBack(object value, Type targetType,
            object parameter, string language)
        {
            throw new NotImplementedException();
        }

        #endregion
    }
}