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using System;
using cAlgo.API;
using cAlgo.API.Indicators;

namespace cAlgo.Robots
{
    [Robot(AccessRights = AccessRights.None)]
    public class BreakthroughBB : Robot
    {

        [Parameter("PeriodMALong", DefaultValue = 50)]
        // Average period required to determine the trend
        public int Period_MA_Long { get; set; }

        [Parameter("PeriodBB", DefaultValue = 22)]
        // Middle Bollinger period
        public int Period_BB { get; set; }

        [Parameter("Deviation", DefaultValue = 3)]
        // Bollinger Bands Deviation
        public double Deviation { get; set; }

        [Parameter("Reserve", DefaultValue = 200)]
        // indent (in points) from the Bollinger bands borders for setting the stop loss
        public int Reserve { get; set; }

        [Parameter("Volume", DefaultValue = 10000)]
        // volume for an open position
        public int vol { get; set; }

        private BollingerBands bb;
        private MovingAverage sma;
        private Position pos;
        private bool IsOpenPos = false;

        protected override void OnStart()
        {
            sma = Indicators.MovingAverage(MarketSeries.Close, Period_MA_Long, MovingAverageType.Simple);
            bb = Indicators.BollingerBands(MarketSeries.Close, Period_BB, Deviation, MovingAverageType.Simple);
        }

        protected override void OnTick()
        {
            int last = MarketSeries.Close.Count - 1;
            if (!(MarketSeries.Open[last] == MarketSeries.High[last] && MarketSeries.Open[last] == MarketSeries.Low[last]))
                return;
            // bar start check
            // Closing a position
            if (IsOpenPos)
            {
                if ((pos.TradeType == TradeType.Buy && MarketSeries.Close[last - 1] < bb.Main[last - 1]) || (pos.TradeType == TradeType.Sell && MarketSeries.Close[last - 1] > bb.Main[last - 1]))
                    Trade.Close(pos);
            }
            // opening positions
            if (!IsOpenPos)
            {
                // opening a long position
                if (MarketSeries.Close[last - 2] < bb.Top[last - 1] && MarketSeries.Close[last - 1] > bb.Top[last - 1] && sma.Result[last - 1] > sma.Result[last - 4])
                {
                    Trade.CreateBuyMarketOrder(Symbol, vol);
                    IsOpenPos = true;
                }
                // opening a short position
                if (MarketSeries.Close[last - 2] > bb.Bottom[last - 1] && MarketSeries.Close[last - 1] < bb.Bottom[last - 1] && sma.Result[last - 1] < sma.Result[last - 4])
                {
                    Trade.CreateSellMarketOrder(Symbol, vol);
                    IsOpenPos = true;
                }

            }
        }

        protected override void OnStop()
        {
            // Put your deinitialization logic here
        }

        protected override void OnPositionOpened(Position openedPosition)
        {
            pos = openedPosition;
            if (pos.TradeType == TradeType.Buy)
                Trade.ModifyPosition(pos, bb.Bottom[bb.Bottom.Count - 2] - Reserve * Symbol.PointSize, 0);
            if (pos.TradeType == TradeType.Sell)
                Trade.ModifyPosition(pos, bb.Top[bb.Top.Count - 2] + Reserve * Symbol.PointSize, 0);
        }

        protected override void OnPositionClosed(Position position)
        {
            pos = null;
            IsOpenPos = false;
        }
    }
}