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

namespace TSLab.Renko
{
    public class RenkoH : IBar2DoubleHandler, IContextUses
    {
        // Параметры оптимизации
        [HandlerParameter(true, "500", Min = "1", Max = "10000", Step = "500")]
        public double Range { get; set; }

        public IList<double> Execute(ISecurity source)
        {
            //int StartBar = 1;
            var high = source.HighPrices;
            var low = source.LowPrices;
            var closes = source.ClosePrices;
            double HighRange;
            IList<double> nHighRange = new List<double>(closes.Count);  // значение верхней границы для текущего бара
            //HighRange = source.HighPrices[1];
            HighRange = source.ClosePrices[1] + 0.5 * Range;
            for (int i = 0; i < closes.Count; i++)
            {
                if ((closes[i] - HighRange) > Range)
                {
                    HighRange = HighRange + Range;
                }
                if ((HighRange - closes[i]) > 2*Range)
                {
                    HighRange = HighRange - Range;
                }
                nHighRange.Add(HighRange);
            }
            return nHighRange;
        }
        public IContext Context { get; set; }

    }

    public class RenkoL : IBar2DoubleHandler, IContextUses
    {
        [HandlerParameter(true, "500", Min = "1", Max = "10000", Step = "500")]
        public double Range { get; set; }
        public IList<double> Execute(ISecurity source)
        {
            var high = source.HighPrices;
            var low = source.LowPrices;
            var closes = source.ClosePrices;
            double LowRange;
            IList<double> nLowRange = new List<double>(closes.Count); // значение нижней границы для текущего бара
            //LowRange = source.LowPrices[1];
            LowRange = source.ClosePrices[1] - 0.5 * Range;
            for (int i = 0; i < closes.Count; i++)
            {
                
                if ((closes[i] - LowRange) > 2*Range)
                {
                    LowRange = LowRange + Range;
                }
                if ((LowRange - closes[i]) > Range)
                {
                    LowRange = LowRange - Range;
                }
                nLowRange.Add(LowRange);
            }
            return nLowRange;
        }
        public IContext Context { get; set; }
    }
}