Renko Line Break vs RSI-Strategie

using System;
using System.Linq;
using System.Collections.Generic;

using Ecng.Common;
using Ecng.Collections;
using Ecng.Serialization;

using StockSharp.Algo.Indicators;
using StockSharp.Algo.Strategies;
using StockSharp.BusinessEntities;
using StockSharp.Messages;

using StockSharp.Algo.Candles;

namespace StockSharp.Samples.Strategies;

/// <summary>
/// Strategy that combines Renko trend detection with RSI pullbacks.
/// Uses a three-bar breakout structure for entries and attaches stop-loss and take-profit levels.
/// </summary>
public class RenkoLineBreakVsRsiStrategy : Strategy
{
	private enum TrendStates
	{
		None,
		Up,
		Down,
		ToUp,
		ToDown
	}

	private readonly StrategyParam<decimal> _boxSize;
	private readonly StrategyParam<int> _rsiPeriod;
	private readonly StrategyParam<decimal> _rsiShift;
	private readonly StrategyParam<decimal> _takeProfit;
	private readonly StrategyParam<decimal> _indentFromHighLow;
	private readonly StrategyParam<DataType> _candleType;

	private RelativeStrengthIndex _rsi;
	private DataType _renkoType;

	private TrendStates _trendState = TrendStates.None;
	private bool _renkoHasPrev;
	private bool _renkoPrevBull;

	private decimal _prevHigh1;
	private decimal _prevHigh2;
	private decimal _prevHigh3;
	private decimal _prevLow1;
	private decimal _prevLow2;
	private decimal _prevLow3;
	private int _historyCount;

	private bool? _pendingIsBuy;
	private bool _plannedTakeProfitEnabled;
	private bool _hasPlannedPrices;
	private decimal _plannedEntryPrice;
	private decimal _plannedStopPrice;
	private decimal _plannedTakeProfitPrice;

	private decimal? _activeStopPrice;
	private decimal? _activeTakeProfitPrice;

	private decimal _lastPosition;

	/// <summary>
	/// Renko brick size in price units.
	/// </summary>
	public decimal BoxSize
	{
		get => _boxSize.Value;
		set => _boxSize.Value = value;
	}

	/// <summary>
	/// RSI calculation period.
	/// </summary>
	public int RsiPeriod
	{
		get => _rsiPeriod.Value;
		set => _rsiPeriod.Value = value;
	}

	/// <summary>
	/// Distance from the RSI midpoint (50) to generate pullback signals.
	/// </summary>
	public decimal RsiShift
	{
		get => _rsiShift.Value;
		set => _rsiShift.Value = value;
	}

	/// <summary>
	/// Take-profit distance in price units from the planned entry price.
	/// </summary>
	public decimal TakeProfit
	{
		get => _takeProfit.Value;
		set => _takeProfit.Value = value;
	}

	/// <summary>
	/// Additional indent applied to breakout and stop-loss levels.
	/// </summary>
	public decimal IndentFromHighLow
	{
		get => _indentFromHighLow.Value;
		set => _indentFromHighLow.Value = value;
	}


	/// <summary>
	/// Time-based candle type used for RSI and breakout calculations.
	/// </summary>
	public DataType CandleType
	{
		get => _candleType.Value;
		set => _candleType.Value = value;
	}

	/// <summary>
	/// Initialize <see cref="RenkoLineBreakVsRsiStrategy"/> parameters.
	/// </summary>
	public RenkoLineBreakVsRsiStrategy()
	{
		_boxSize = Param(nameof(BoxSize), 100m)
		.SetGreaterThanZero()
		.SetDisplay("Renko Box Size", "Renko brick size in price units", "Renko")
		
		.SetOptimize(100m, 1000m, 100m);

		_rsiPeriod = Param(nameof(RsiPeriod), 4)
		.SetGreaterThanZero()
		.SetDisplay("RSI Period", "Relative Strength Index period", "Indicators")
		
		.SetOptimize(2, 20, 1);

		_rsiShift = Param(nameof(RsiShift), 10m)
		.SetGreaterThanZero()
		.SetDisplay("RSI Shift", "Distance from the 50 level to detect pullbacks", "Indicators")
		
		.SetOptimize(10m, 40m, 5m);

		_takeProfit = Param(nameof(TakeProfit), 1000m)
		.SetGreaterThanZero()
		.SetDisplay("Take Profit", "Take profit distance in price units", "Risk Management")
		
		.SetOptimize(200m, 2000m, 200m);

		_indentFromHighLow = Param(nameof(IndentFromHighLow), 50m)
		.SetGreaterThanZero()
		.SetDisplay("Indent", "Indent applied to breakout and stop levels", "Risk Management")
		
		.SetOptimize(10m, 200m, 10m);


		_candleType = Param(nameof(CandleType), TimeSpan.FromHours(2).TimeFrame())
		.SetDisplay("Candle Type", "Timeframe used for RSI and breakouts", "General");
	}

	/// <inheritdoc />
	public override IEnumerable<(Security sec, DataType dt)> GetWorkingSecurities()
	{
		_renkoType ??= DataType.Create(typeof(RenkoCandleMessage), new Unit(BoxSize));

		return [(Security, CandleType), (Security, _renkoType)];
	}

	/// <inheritdoc />
	protected override void OnReseted()
	{
		base.OnReseted();

		_rsi = null;
		_renkoType = null;

		_trendState = TrendStates.None;
		_renkoHasPrev = false;
		_renkoPrevBull = false;

		_prevHigh1 = 0m;
		_prevHigh2 = 0m;
		_prevHigh3 = 0m;
		_prevLow1 = 0m;
		_prevLow2 = 0m;
		_prevLow3 = 0m;
		_historyCount = 0;

		ResetPendingPlan();
		ResetActiveTargets();

		_lastPosition = 0m;
	}

	/// <inheritdoc />
	protected override void OnStarted2(DateTime time)
	{
		base.OnStarted2(time);

		_rsi = new RelativeStrengthIndex
		{
			Length = RsiPeriod
		};

		_renkoType ??= DataType.Create(typeof(RenkoCandleMessage), new Unit(BoxSize));

		var timeSubscription = SubscribeCandles(CandleType);
		timeSubscription
		.Bind(_rsi, ProcessTimeCandle)
		.Start();

		var renkoSubscription = SubscribeCandles(_renkoType);
		renkoSubscription
		.Bind(ProcessRenkoCandle)
		.Start();

		var area = CreateChartArea();
		if (area != null)
		{
			DrawCandles(area, timeSubscription);
			DrawIndicator(area, _rsi);
			DrawOwnTrades(area);
		}

		StartProtection(null, null);
	}

	private void ProcessRenkoCandle(ICandleMessage candle)
	{
		if (candle.State != CandleStates.Finished)
		return;

		var isBull = candle.ClosePrice > candle.OpenPrice;
		var isBear = candle.ClosePrice < candle.OpenPrice;

		if (!_renkoHasPrev)
		{
			// Store the very first renko brick direction and wait for the next one to define a trend state.
			_renkoPrevBull = isBull;
			_renkoHasPrev = true;
			_trendState = TrendStates.None;
			return;
		}

		if (isBull)
		{
			_trendState = _renkoPrevBull ? TrendStates.Up : TrendStates.ToUp;
			_renkoPrevBull = true;
		}
		else if (isBear)
		{
			_trendState = _renkoPrevBull ? TrendStates.ToDown : TrendStates.Down;
			_renkoPrevBull = false;
		}
		else
		{
			// Flat bricks keep the previous trend state.
		}
	}

	private void ProcessTimeCandle(ICandleMessage candle, decimal rsiValue)
	{
		if (candle.State != CandleStates.Finished)
		return;

		var canTrade = true;
		var hasRsi = _rsi?.IsFormed == true && rsiValue >= 0m;

		CheckPendingActivation();

		ManagePosition(candle, rsiValue, hasRsi);

		if (canTrade && Position == 0)
		{
			TryPlaceEntry(rsiValue, hasRsi);
		}
		else if (!canTrade && Position == 0 && _pendingIsBuy != null)
		{
			// Cancel pending orders when trading is not allowed.
			// CancelActiveOrders - not available
			ResetPendingPlan();
		}

		UpdateHistory(candle);
		_lastPosition = Position;
	}

	private void ManagePosition(ICandleMessage candle, decimal rsiValue, bool hasRsi)
	{
		var position = Position;

		if (position > 0m)
		{
			// Long position management.
			if (_pendingIsBuy != null)
			ResetPendingPlan();

			if (_activeTakeProfitPrice.HasValue && candle.HighPrice >= _activeTakeProfitPrice.Value)
			{
				SellMarket();
				ResetActiveTargets();
				return;
			}

			if (_activeStopPrice.HasValue && candle.LowPrice <= _activeStopPrice.Value)
			{
				SellMarket();
				ResetActiveTargets();
				return;
			}

			if (_trendState == TrendStates.ToDown)
			{
				SellMarket();
				ResetActiveTargets();
				return;
			}

			if (hasRsi && rsiValue > 50m + RsiShift)
			{
				SellMarket();
				ResetActiveTargets();
			}
		}
		else if (position < 0m)
		{
			// Short position management.
			if (_pendingIsBuy != null)
			ResetPendingPlan();

			var absPosition = Math.Abs(position);

			if (_activeTakeProfitPrice.HasValue && candle.LowPrice <= _activeTakeProfitPrice.Value)
			{
				BuyMarket();
				ResetActiveTargets();
				return;
			}

			if (_activeStopPrice.HasValue && candle.HighPrice >= _activeStopPrice.Value)
			{
				BuyMarket();
				ResetActiveTargets();
				return;
			}

			if (_trendState == TrendStates.ToUp)
			{
				BuyMarket();
				ResetActiveTargets();
				return;
			}

			if (hasRsi && rsiValue < 50m - RsiShift)
			{
				BuyMarket();
				ResetActiveTargets();
			}
		}
		else
		{
			// No position -> clear active stop/target remnants.
			if (_activeStopPrice.HasValue || _activeTakeProfitPrice.HasValue)
			ResetActiveTargets();
		}
	}

	private void TryPlaceEntry(decimal rsiValue, bool hasRsi)
	{
		var effectiveTrend = GetEffectiveTrend();

		if (effectiveTrend == TrendStates.ToDown || effectiveTrend == TrendStates.ToUp)
		{
			if (_pendingIsBuy != null)
			{
				// CancelActiveOrders - not available
				ResetPendingPlan();
			}

			return;
		}

		if (_historyCount < 3 || !hasRsi)
		return;

		var indent = IndentFromHighLow;
		var takeProfitDistance = TakeProfit;

		if (effectiveTrend == TrendStates.Up && rsiValue <= 50m - RsiShift)
		{
			var entryPrice = _prevHigh3 + indent;
			var stopPrice = Math.Min(_prevLow1, Math.Min(_prevLow2, _prevLow3)) - indent;

			if (entryPrice > 0m && stopPrice > 0m && entryPrice > stopPrice)
			{
				var takeProfitPrice = takeProfitDistance > 0m ? entryPrice + takeProfitDistance : (decimal?)null;
				PlacePendingOrder(true, entryPrice, stopPrice, takeProfitPrice);
			}
		}
		else if (effectiveTrend == TrendStates.Down && rsiValue >= 50m + RsiShift)
		{
			var entryPrice = _prevLow3 - indent;
			var stopPrice = Math.Max(_prevHigh1, Math.Max(_prevHigh2, _prevHigh3)) + indent;

			if (entryPrice > 0m && stopPrice > 0m && entryPrice < stopPrice)
			{
				var takeProfitPrice = takeProfitDistance > 0m ? entryPrice - takeProfitDistance : (decimal?)null;
				PlacePendingOrder(false, entryPrice, stopPrice, takeProfitPrice);
			}
		}
	}

	private TrendStates GetEffectiveTrend()
	{
		if (_trendState != TrendStates.None)
			return _trendState;

		if (_historyCount < 3)
			return TrendStates.None;

		if (_prevHigh1 > _prevHigh2 && _prevHigh2 > _prevHigh3)
			return TrendStates.Up;

		if (_prevLow1 < _prevLow2 && _prevLow2 < _prevLow3)
			return TrendStates.Down;

		return TrendStates.None;
	}

	private void PlacePendingOrder(bool isBuy, decimal entryPrice, decimal stopPrice, decimal? takeProfitPrice)
	{
		// Avoid duplicate registrations if the pending order already matches the desired levels.
		if (_pendingIsBuy == isBuy && _hasPlannedPrices &&
		entryPrice == _plannedEntryPrice && stopPrice == _plannedStopPrice &&
		((takeProfitPrice == null && !_plannedTakeProfitEnabled) ||
		(takeProfitPrice != null && _plannedTakeProfitEnabled && takeProfitPrice.Value == _plannedTakeProfitPrice)))
		{
			return;
		}

		CancelActiveOrders();
		ResetPendingPlan();

		var volume = Volume;

		if (isBuy)
		{
			BuyMarket();
		}
		else
		{
			SellMarket();
		}

		_pendingIsBuy = isBuy;
		_hasPlannedPrices = true;
		_plannedEntryPrice = entryPrice;
		_plannedStopPrice = stopPrice;
		_plannedTakeProfitEnabled = takeProfitPrice != null;
		_plannedTakeProfitPrice = takeProfitPrice ?? 0m;
	}

	private void CheckPendingActivation()
	{
		if (_pendingIsBuy == null || !_hasPlannedPrices)
		return;

		if (_pendingIsBuy.Value && _lastPosition <= 0m && Position > 0m)
		{
			ActivatePlannedTargets();
		}
		else if (!_pendingIsBuy.Value && _lastPosition >= 0m && Position < 0m)
		{
			ActivatePlannedTargets();
		}
	}

	private void ActivatePlannedTargets()
	{
		_activeStopPrice = _plannedStopPrice;
		_activeTakeProfitPrice = _plannedTakeProfitEnabled ? _plannedTakeProfitPrice : null;

		ResetPendingPlan();
	}

	private void UpdateHistory(ICandleMessage candle)
	{
		_prevHigh3 = _prevHigh2;
		_prevHigh2 = _prevHigh1;
		_prevHigh1 = candle.HighPrice;

		_prevLow3 = _prevLow2;
		_prevLow2 = _prevLow1;
		_prevLow1 = candle.LowPrice;

		if (_historyCount < 3)
		{
			_historyCount++;
		}
	}

	private void ResetPendingPlan()
	{
		_pendingIsBuy = null;
		_hasPlannedPrices = false;
		_plannedEntryPrice = 0m;
		_plannedStopPrice = 0m;
		_plannedTakeProfitPrice = 0m;
		_plannedTakeProfitEnabled = false;
	}

	private void ResetActiveTargets()
	{
		_activeStopPrice = null;
		_activeTakeProfitPrice = null;
	}
}

import clr

clr.AddReference("StockSharp.Messages")
clr.AddReference("StockSharp.Algo")
clr.AddReference("StockSharp.Algo.Indicators")
clr.AddReference("StockSharp.Algo.Strategies")

from System import TimeSpan, Math
from StockSharp.Messages import DataType, CandleStates
from StockSharp.Algo.Indicators import RelativeStrengthIndex, Highest, Lowest
from StockSharp.Algo.Strategies import Strategy
from datatype_extensions import *
from indicator_extensions import *

class renko_line_break_vs_rsi_strategy(Strategy):
    """Renko-inspired trend detection with RSI pullbacks using standard candles.
    Uses three-bar high/low breakout structure for entries with SL/TP."""

    def __init__(self):
        super(renko_line_break_vs_rsi_strategy, self).__init__()
        self._rsi_period = self.Param("RsiPeriod", 4).SetGreaterThanZero().SetDisplay("RSI Period", "RSI lookback", "Indicators")
        self._rsi_shift = self.Param("RsiShift", 10.0).SetGreaterThanZero().SetDisplay("RSI Shift", "Distance from 50 for pullbacks", "Indicators")
        self._take_profit = self.Param("TakeProfit", 1000.0).SetGreaterThanZero().SetDisplay("Take Profit", "TP distance in price", "Risk")
        self._indent = self.Param("Indent", 50.0).SetGreaterThanZero().SetDisplay("Indent", "Indent for breakout levels", "Risk")
        self._candle_type = self.Param("CandleType", DataType.TimeFrame(TimeSpan.FromHours(2))).SetDisplay("Candle Type", "Timeframe", "General")

    @property
    def CandleType(self): return self._candle_type.Value
    @CandleType.setter
    def CandleType(self, value): self._candle_type.Value = value

    def OnReseted(self):
        super(renko_line_break_vs_rsi_strategy, self).OnReseted()
        self._prev_high1 = 0
        self._prev_high2 = 0
        self._prev_high3 = 0
        self._prev_low1 = 0
        self._prev_low2 = 0
        self._prev_low3 = 0
        self._history_count = 0
        self._active_stop = None
        self._active_tp = None
        self._trend = 0  # 1=up, -1=down, 0=none
        self._prev_bull = None

    def OnStarted2(self, time):
        super(renko_line_break_vs_rsi_strategy, self).OnStarted2(time)
        self._prev_high1 = 0
        self._prev_high2 = 0
        self._prev_high3 = 0
        self._prev_low1 = 0
        self._prev_low2 = 0
        self._prev_low3 = 0
        self._history_count = 0
        self._active_stop = None
        self._active_tp = None
        self._trend = 0
        self._prev_bull = None

        rsi = RelativeStrengthIndex()
        rsi.Length = self._rsi_period.Value

        sub = self.SubscribeCandles(self.CandleType)
        sub.Bind(rsi, self.OnProcess).Start()

        area = self.CreateChartArea()
        if area is not None:
            self.DrawCandles(area, sub)
            self.DrawIndicator(area, rsi)
            self.DrawOwnTrades(area)

    def OnProcess(self, candle, rsi_val):
        if candle.State != CandleStates.Finished:
            return

        is_bull = candle.ClosePrice > candle.OpenPrice

        # Update trend based on consecutive candle direction
        if self._prev_bull is not None:
            if is_bull:
                self._trend = 1 if self._prev_bull else 2  # 2 = ToUp
            elif candle.ClosePrice < candle.OpenPrice:
                self._trend = -2 if self._prev_bull else -1  # -2 = ToDown
        self._prev_bull = is_bull

        # Manage existing positions
        if self.Position > 0:
            if self._active_tp is not None and candle.HighPrice >= self._active_tp:
                self.SellMarket()
                self._active_stop = None
                self._active_tp = None
            elif self._active_stop is not None and candle.LowPrice <= self._active_stop:
                self.SellMarket()
                self._active_stop = None
                self._active_tp = None
            elif self._trend == -2:  # ToDown
                self.SellMarket()
                self._active_stop = None
                self._active_tp = None
            elif rsi_val > 50 + self._rsi_shift.Value:
                self.SellMarket()
                self._active_stop = None
                self._active_tp = None
        elif self.Position < 0:
            if self._active_tp is not None and candle.LowPrice <= self._active_tp:
                self.BuyMarket()
                self._active_stop = None
                self._active_tp = None
            elif self._active_stop is not None and candle.HighPrice >= self._active_stop:
                self.BuyMarket()
                self._active_stop = None
                self._active_tp = None
            elif self._trend == 2:  # ToUp
                self.BuyMarket()
                self._active_stop = None
                self._active_tp = None
            elif rsi_val < 50 - self._rsi_shift.Value:
                self.BuyMarket()
                self._active_stop = None
                self._active_tp = None

        # New entries
        if self.Position == 0 and self._history_count >= 3:
            indent = self._indent.Value
            tp_dist = self._take_profit.Value

            eff_trend = self._get_effective_trend()

            if eff_trend == 1 and rsi_val <= 50 - self._rsi_shift.Value:
                entry = self._prev_high3 + indent
                stop = min(self._prev_low1, self._prev_low2, self._prev_low3) - indent
                if entry > 0 and stop > 0 and entry > stop:
                    self.BuyMarket()
                    self._active_stop = stop
                    self._active_tp = entry + tp_dist if tp_dist > 0 else None
            elif eff_trend == -1 and rsi_val >= 50 + self._rsi_shift.Value:
                entry = self._prev_low3 - indent
                stop = max(self._prev_high1, self._prev_high2, self._prev_high3) + indent
                if entry > 0 and stop > 0 and entry < stop:
                    self.SellMarket()
                    self._active_stop = stop
                    self._active_tp = entry - tp_dist if tp_dist > 0 else None

        # Update history
        self._prev_high3 = self._prev_high2
        self._prev_high2 = self._prev_high1
        self._prev_high1 = float(candle.HighPrice)
        self._prev_low3 = self._prev_low2
        self._prev_low2 = self._prev_low1
        self._prev_low1 = float(candle.LowPrice)
        if self._history_count < 3:
            self._history_count += 1

    def _get_effective_trend(self):
        if self._trend == 1 or self._trend == -1:
            return self._trend
        if self._history_count >= 3:
            if self._prev_high1 > self._prev_high2 and self._prev_high2 > self._prev_high3:
                return 1
            if self._prev_low1 < self._prev_low2 and self._prev_low2 < self._prev_low3:
                return -1
        return 0

    def CreateClone(self):
        return renko_line_break_vs_rsi_strategy()