#region Using declarations
using System;
using System.ComponentModel;
using System.Drawing;
using System.Collections.Generic;
using NinjaTrader.Data;
using NinjaTrader.Gui.Chart;
using NinjaTrader.Indicator;
#endregion

// This namespace holds all strategies and is required. Do not change it.
namespace NinjaTrader.Strategy
{
    /// <summary>
    /// This strategy buys at the close of a green Renko bar and sells at the close of a red Renko bar. It includes a reversal feature where a long trade is closed and a short trade is opened if a red bar closes while in a long position, and vice versa for short trades.
    /// </summary>
    [Description("This strategy buys at the close of a green Renko bar and sells at the close of a red Renko bar. It includes a reversal feature where a long trade is closed and a short trade is opened if a red bar closes while in a long position, and vice versa for short trades.")]
    public class RenkoStrategy : Strategy
    {
        #region Variables
        private Renko renko;
        private bool longTrade = false;
        private bool shortTrade = false;
        #endregion

        protected override void OnBarUpdate()
        {
            if (CurrentBar < 1)
                return;

            if (renko == null)
            {
                renko = Renko(BrickType.Fixed, 2);
                renko.AddDataSeries(Data.BarsPeriodType.Tick, 1);
            }

            double close = renko.Close[0];
            double open = renko.Open[0];

            bool greenBar = close > open;
            bool redBar = close < open;

            if (Position.MarketPosition == MarketPosition.Long && redBar)
            {
                ExitLong();
                shortTrade = true;
            }
            else if (Position.MarketPosition == MarketPosition.Short && greenBar)
            {
                ExitShort();
                longTrade = true;
            }

            if (!longTrade && !shortTrade)
            {
                if (greenBar)
                {
                    EnterLong();
                    longTrade = true;
                }
                else if (redBar)
                {
                    EnterShort();
                    shortTrade = true;
                }
            }

            if (longTrade && Position.MarketPosition == MarketPosition.Flat)
                longTrade = false;

            if (shortTrade && Position.MarketPosition == MarketPosition.Flat)
                shortTrade = false;
        }
    }
}