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;
using System.Windows.Media;
using Tango.BL.Entities;

namespace Tango.SharedUI.Converters
{
    public class SegmentToBrushConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            try
            {
                Segment segment = value as Segment;

                GradientStopCollection stops = new GradientStopCollection();

                foreach (var stop in segment.BrushStops.OrderBy(x => x.StopIndex))
                {
                    stops.Add(new GradientStop(stop.Color, stop.OffsetPercent / 100d));
                }

                LinearGradientBrush brush = new LinearGradientBrush();
                brush.StartPoint = new Point(0,0);
                brush.EndPoint = new Point(1, 0);

                brush.GradientStops = stops;

                return brush;
            }
            catch
            {
                return null;
            }
        }

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