using System.Collections.Generic;
using TSLab.Script;
using TSLab.Script.Handlers;
using TSLab.DataSource;
using TSLab.Script.Helpers;

namespace test
{
	public class MK : IBar2DoubleHandler, IContextUses
	{
		[HandlerParameter]
		public int Period { get; set; }
		
		public IList<double> Execute(ISecurity source)
		{
		    var high = Context.GetData("Highest", new[] { Period.ToString() },
		                               () => Series.Highest(source.HighPrices, Period));
		    var low = Context.GetData("Lowest", new[] { Period.ToString() },
		                               () => Series.Lowest(source.LowPrices, Period));
		    var closes = source.ClosePrices;
		    IList<double> list = new List<double>(closes.Count);
		    for (int i = 0; i < closes.Count; i++)
		    {
		        var stochK = 100 * (closes[i] - low[i]) / (high[i] - low[i]);
		        list.Add(stochK);
		    }
		    return list;
		}
		
		public IContext Context { get; set; }
	}
}