Simple EA MA plus MACD

using System;
using System.Collections.Generic;

using Ecng.Common;

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

namespace StockSharp.Samples.Strategies;

/// <summary>
/// Simple EA MA plus MACD strategy using EMA crossover.
/// Buys when fast EMA crosses above slow EMA, sells on reverse.
/// </summary>
public class SimpleEaMaPlusMacdStrategy : Strategy
{
	private readonly StrategyParam<int> _fastPeriod;
	private readonly StrategyParam<int> _slowPeriod;
	private readonly StrategyParam<int> _stopLossPoints;
	private readonly StrategyParam<int> _takeProfitPoints;

	private ExponentialMovingAverage _fast;
	private ExponentialMovingAverage _slow;

	private decimal _prevFast;
	private decimal _prevSlow;
	private decimal _entryPrice;
	private int _cooldown;

	public int FastPeriod { get => _fastPeriod.Value; set => _fastPeriod.Value = value; }
	public int SlowPeriod { get => _slowPeriod.Value; set => _slowPeriod.Value = value; }
	public int StopLossPoints { get => _stopLossPoints.Value; set => _stopLossPoints.Value = value; }
	public int TakeProfitPoints { get => _takeProfitPoints.Value; set => _takeProfitPoints.Value = value; }

	public SimpleEaMaPlusMacdStrategy()
	{
		_fastPeriod = Param(nameof(FastPeriod), 12).SetGreaterThanZero().SetDisplay("Fast Period", "Fast EMA period", "Indicator");
		_slowPeriod = Param(nameof(SlowPeriod), 50).SetGreaterThanZero().SetDisplay("Slow Period", "Slow EMA period", "Indicator");
		_stopLossPoints = Param(nameof(StopLossPoints), 200).SetNotNegative().SetDisplay("Stop Loss", "Stop-loss in price steps", "Risk");
		_takeProfitPoints = Param(nameof(TakeProfitPoints), 400).SetNotNegative().SetDisplay("Take Profit", "Take-profit in price steps", "Risk");
	}

	public override IEnumerable<(Security sec, DataType dt)> GetWorkingSecurities()
	{
		yield return (Security, TimeSpan.FromMinutes(5).TimeFrame());
	}

	protected override void OnReseted()
	{
		base.OnReseted();
		_fast = null; _slow = null;
		_prevFast = 0; _prevSlow = 0; _entryPrice = 0; _cooldown = 0;
	}

	protected override void OnStarted2(DateTime time)
	{
		base.OnStarted2(time);
		_fast = new ExponentialMovingAverage { Length = FastPeriod };
		_slow = new ExponentialMovingAverage { Length = SlowPeriod };
		var subscription = SubscribeCandles(TimeSpan.FromMinutes(5).TimeFrame());
		subscription.Bind(_fast, _slow, ProcessCandle);
		subscription.Start();
	}

	private void ProcessCandle(ICandleMessage candle, decimal fastValue, decimal slowValue)
	{
		if (candle.State != CandleStates.Finished) return;
		if (!_fast.IsFormed || !_slow.IsFormed) { _prevFast = fastValue; _prevSlow = slowValue; return; }
		if (_cooldown > 0) { _cooldown--; _prevFast = fastValue; _prevSlow = slowValue; return; }

		var close = candle.ClosePrice;
		var step = Security?.PriceStep ?? 1m;

		if (Position > 0 && _entryPrice > 0)
		{
			if (StopLossPoints > 0 && close <= _entryPrice - StopLossPoints * step) { SellMarket(); _entryPrice = 0; _cooldown = 100; _prevFast = fastValue; _prevSlow = slowValue; return; }
			if (TakeProfitPoints > 0 && close >= _entryPrice + TakeProfitPoints * step) { SellMarket(); _entryPrice = 0; _cooldown = 100; _prevFast = fastValue; _prevSlow = slowValue; return; }
		}
		else if (Position < 0 && _entryPrice > 0)
		{
			if (StopLossPoints > 0 && close >= _entryPrice + StopLossPoints * step) { BuyMarket(); _entryPrice = 0; _cooldown = 100; _prevFast = fastValue; _prevSlow = slowValue; return; }
			if (TakeProfitPoints > 0 && close <= _entryPrice - TakeProfitPoints * step) { BuyMarket(); _entryPrice = 0; _cooldown = 100; _prevFast = fastValue; _prevSlow = slowValue; return; }
		}

		if (_prevFast <= _prevSlow && fastValue > slowValue && Position <= 0)
		{ if (Position < 0) BuyMarket(); BuyMarket(); _entryPrice = close; _cooldown = 100; }
		else if (_prevFast >= _prevSlow && fastValue < slowValue && Position >= 0)
		{ if (Position > 0) SellMarket(); SellMarket(); _entryPrice = close; _cooldown = 100; }

		_prevFast = fastValue; _prevSlow = slowValue;
	}
}

import clr

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

from System import TimeSpan
from StockSharp.Messages import DataType, CandleStates
from StockSharp.Algo.Indicators import ExponentialMovingAverage
from StockSharp.Algo.Strategies import Strategy
from datatype_extensions import *
from indicator_extensions import *

class simple_ea_ma_plus_macd_strategy(Strategy):
    def __init__(self):
        super(simple_ea_ma_plus_macd_strategy, self).__init__()
        self._fast_period = self.Param("FastPeriod", 12).SetGreaterThanZero().SetDisplay("Fast Period", "Fast EMA period", "Indicator")
        self._slow_period = self.Param("SlowPeriod", 50).SetGreaterThanZero().SetDisplay("Slow Period", "Slow EMA period", "Indicator")
        self._sl_points = self.Param("StopLossPoints", 200).SetNotNegative().SetDisplay("Stop Loss", "SL in price steps", "Risk")
        self._tp_points = self.Param("TakeProfitPoints", 400).SetNotNegative().SetDisplay("Take Profit", "TP in price steps", "Risk")
        self._candle_type = self.Param("CandleType", DataType.TimeFrame(TimeSpan.FromMinutes(5))).SetDisplay("Candle Type", "Candle type", "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(simple_ea_ma_plus_macd_strategy, self).OnReseted()
        self._prev_fast = 0
        self._prev_slow = 0
        self._entry_price = 0
        self._cooldown = 0

    def OnStarted2(self, time):
        super(simple_ea_ma_plus_macd_strategy, self).OnStarted2(time)
        self._prev_fast = 0
        self._prev_slow = 0
        self._entry_price = 0
        self._cooldown = 0
        self._step = 1.0
        if self.Security is not None and self.Security.PriceStep is not None and self.Security.PriceStep > 0:
            self._step = float(self.Security.PriceStep)

        fast = ExponentialMovingAverage()
        fast.Length = self._fast_period.Value
        slow = ExponentialMovingAverage()
        slow.Length = self._slow_period.Value

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

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

        if self._prev_fast == 0 or self._prev_slow == 0:
            self._prev_fast = fast_val
            self._prev_slow = slow_val
            return

        if self._cooldown > 0:
            self._cooldown -= 1
            self._prev_fast = fast_val
            self._prev_slow = slow_val
            return

        close = float(candle.ClosePrice)
        step = self._step

        # Manage SL/TP
        if self.Position > 0 and self._entry_price > 0:
            if self._sl_points.Value > 0 and close <= self._entry_price - self._sl_points.Value * step:
                self.SellMarket()
                self._entry_price = 0
                self._cooldown = 100
                self._prev_fast = fast_val
                self._prev_slow = slow_val
                return
            if self._tp_points.Value > 0 and close >= self._entry_price + self._tp_points.Value * step:
                self.SellMarket()
                self._entry_price = 0
                self._cooldown = 100
                self._prev_fast = fast_val
                self._prev_slow = slow_val
                return
        elif self.Position < 0 and self._entry_price > 0:
            if self._sl_points.Value > 0 and close >= self._entry_price + self._sl_points.Value * step:
                self.BuyMarket()
                self._entry_price = 0
                self._cooldown = 100
                self._prev_fast = fast_val
                self._prev_slow = slow_val
                return
            if self._tp_points.Value > 0 and close <= self._entry_price - self._tp_points.Value * step:
                self.BuyMarket()
                self._entry_price = 0
                self._cooldown = 100
                self._prev_fast = fast_val
                self._prev_slow = slow_val
                return

        # Crossover signals
        if self._prev_fast <= self._prev_slow and fast_val > slow_val and self.Position <= 0:
            if self.Position < 0:
                self.BuyMarket()
            self.BuyMarket()
            self._entry_price = close
            self._cooldown = 100
        elif self._prev_fast >= self._prev_slow and fast_val < slow_val and self.Position >= 0:
            if self.Position > 0:
                self.SellMarket()
            self.SellMarket()
            self._entry_price = close
            self._cooldown = 100

        self._prev_fast = fast_val
        self._prev_slow = slow_val

    def CreateClone(self):
        return simple_ea_ma_plus_macd_strategy()