MQLArticles/PosManagement/Breakeven.mqh

<EFBFBD><EFBFBD>//+------------------------------------------------------------------+
//|                                                    Breakeven.mqh |
//|                                    Copyright 2025, Niquel y Leo. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, Niquel y Leo."
#property link      "https://www.mql5.com"
#property strict

#ifndef BREAKEVEN_MQH
#define BREAKEVEN_MQH

#include  "..\\RM\\RiskManagement.mqh"

//+------------------------------------------------------------------+
//| Break Even Structs                                               |
//+------------------------------------------------------------------+
struct position_be
 {
  ulong              ticket; //Position Ticket
  double             breakeven_price; //Be price
  double             price_to_beat; //Price to exceed to reach break even
  ENUM_POSITION_TYPE type;//Position type
 };

enum ENUM_BREAKEVEN_TYPE
 {
  BREAKEVEN_TYPE_RR = 0, //By RR
  BREAKEVEN_TYPE_FIXED_POINTS = 1, //By FixedPoints
  BREAKEVEN_TYPE_ATR = 2 //By Atr
 };



struct BreakEvenParams
 {
  long               integer_value;
  string             string_value;
  double             double_value;
  CAtrUltraOptimized* atr_pointer_value;
 };

//---
class CBreakEvenBase;
class CBreakEven;
class CBreakEvenAtr;
class CBreakEvenRR;
class CBreakEvenSimple;

//---
#define CBREAKEVEN_RESERVE_REMOVE_BE_ARR 3
#define CBREAKEVEN_RESERVE_ARR 3
//+------------------------------------------------------------------+
//| Main class to apply break even                                   |
//+------------------------------------------------------------------+
class CBreakEvenBase : public CAccountGestor
 {
private:
  int                m_indices_to_remove_be[];

protected:
  CTrade             obj_trade;       //CTrade object
  MqlTick            tick;            //tick structure
  string             symbol;          //current symbol
  double             point_value;     //value of the set symbol point
  position_be        PostionsBe[];    //array of positions of type Positions
  ulong              magic;           //magic number of positions to make break even
  bool               pause;           //Boolean variable to activate the pause of the review, this is used to prevent the array from going out of range
  int                num_params;      //Number of parameters the class needs
  bool               m_automatic;

public:
                     CBreakEvenBase(string symbol_, ulong magic_);

  //---
  inline bool        Automatic() const { return m_automatic; }
  void               Automatic(bool auto) { m_automatic = auto; }

  //---
  inline string      Simbolo() const { return symbol; }
  inline ulong       Magic() const { return magic; }

  //---
  inline int         GetNumParams() const { return num_params; }

  //--- General
  virtual bool       Add(ulong post_ticket, double open_price, double sl_price, ENUM_POSITION_TYPE position_type, datetime open_time) = 0;
  void               BreakEven();
  void               OnOpenClosePosition(const ROnOpenClosePosition &pos) override;

  //--- Setter principal
  virtual void       Set(BreakEvenParams &params[]) = 0;
 };


//+------------------------------------------------------------------+
//| Contructor                                                       |
//+------------------------------------------------------------------+
CBreakEvenBase::CBreakEvenBase(string symbol_, ulong magic_)
  : pause(false), m_automatic(true)
 {
  if(magic_ != NOT_MAGIC_NUMBER)
    obj_trade.SetExpertMagicNumber(magic_);

  obj_trade.LogLevel(LOG_LEVEL_NO);

//---
  this.symbol = symbol_;
  this.num_params = 0;
  this.magic = magic_;
  this.point_value = SymbolInfoDouble(symbol_, SYMBOL_POINT);


//---
  ArrayResize(PostionsBe, 0, CBREAKEVEN_RESERVE_ARR);
 }

//+------------------------------------------------------------------+
//| OnTradeTransactionEvent                                          |
//+------------------------------------------------------------------+
void CBreakEvenBase::OnOpenClosePosition(const ROnOpenClosePosition &pos)
 {
  if(m_automatic && pos.deal_entry_type == DEAL_ENTRY_IN)
   {
    const ulong position_magic = pos.position.magic;
    if((this.magic == position_magic || this.magic == NOT_MAGIC_NUMBER))
     {
      if(Add(pos.position.ticket, pos.position.open_price, pos.position.firt_sl, pos.position.type, pos.position.open_time))
        LogInfo(StringFormat("Ticket %I64u has been added to the array of positions", pos.position.ticket), FUNCION_ACTUAL);
     }
    return;
   }

  if(pos.deal_entry_type == DEAL_ENTRY_OUT)
   {
    this.pause = true;

    if(RemoveIndexFromAnArrayOfPositions(PostionsBe, pos.position.ticket, CBREAKEVEN_RESERVE_ARR))
      LogCaution(StringFormat("Ticket %I64u has been removed from the positions array, breakeven could not be applied", pos.position.ticket), FUNCION_ACTUAL);

    this.pause = false;
   }
 }


//+------------------------------------------------------------------+
//| Function to make break even                                      |
//+------------------------------------------------------------------+
void CBreakEvenBase::BreakEven(void)
 {
  if(this.PostionsBe.Size() < 1 || pause)
    return;

  SymbolInfoTick(this.symbol, tick);

//---
  ArrayResize(m_indices_to_remove_be, 0, CBREAKEVEN_RESERVE_REMOVE_BE_ARR);

//---
  for(int i = 0 ; i < ArraySize(this.PostionsBe) ; i++)
   {
    ulong ticket = this.PostionsBe[i].ticket;
    if(tick.ask >= this.PostionsBe[i].price_to_beat && this.PostionsBe[i].type == POSITION_TYPE_BUY)
     {
      double position_tp = PositionGetDouble(POSITION_TP);
      obj_trade.PositionModify(ticket, this.PostionsBe[i].breakeven_price, position_tp);
      AddArrayNoVerification(m_indices_to_remove_be, i, CBREAKEVEN_RESERVE_REMOVE_BE_ARR);
     }
    else
      if(tick.bid <= this.PostionsBe[i].price_to_beat && this.PostionsBe[i].type == POSITION_TYPE_SELL)
       {
        double position_tp = PositionGetDouble(POSITION_TP);
        obj_trade.PositionModify(ticket, this.PostionsBe[i].breakeven_price, position_tp);
        AddArrayNoVerification(m_indices_to_remove_be, i, CBREAKEVEN_RESERVE_REMOVE_BE_ARR);
       }
   }

  RemoveMultipleIndexes(this.PostionsBe, m_indices_to_remove_be, CBREAKEVEN_RESERVE_REMOVE_BE_ARR);
 }


//+------------------------------------------------------------------+
//| class CBreakEvenSimple                                           |
//+------------------------------------------------------------------+
class CBreakEvenSimple : public CBreakEvenBase
 {
private:
  int                extra_points_be, points_be;
public:
                     CBreakEvenSimple(string symbol_, ulong magic_)
    :                CBreakEvenBase(symbol_, magic_) { this.extra_points_be = 0; this.points_be = 0; this.num_params = 2;}

  bool               Add(ulong post_ticket, double open_price, double sl_price, ENUM_POSITION_TYPE position_type, datetime open_time) override;
  void               Set(BreakEvenParams &params[]) override;
  void               SetSetSimple(int points_be_, int extra_points_be_);
 };

//+----------------------------------------------------------------------------------------------+
//| Create a new structure and add it to the main array using the 'AddToArrayBe' function        |
//+----------------------------------------------------------------------------------------------+
bool CBreakEvenSimple::Add(ulong post_ticket, double open_price, double sl_price, ENUM_POSITION_TYPE position_type, datetime open_time)
 {
  position_be new_pos;
  new_pos.breakeven_price =  position_type == POSITION_TYPE_BUY ? open_price + (point_value * extra_points_be) : open_price - (point_value * extra_points_be);
  new_pos.type =  position_type;
  new_pos.price_to_beat = position_type == POSITION_TYPE_BUY ? open_price + (point_value * points_be) : open_price - (point_value * points_be) ;
  new_pos.ticket = post_ticket;
  AddArrayNoVerification(this.PostionsBe, new_pos, CBREAKEVEN_RESERVE_ARR);
  return true;
 }

//+------------------------------------------------------------------+
//| Set attributes of CBreakEvenSimple class with MqlParam array     |
//+------------------------------------------------------------------+
void CBreakEvenSimple::Set(BreakEvenParams &params[])
 {
  if(params.Size() < 2)
   {
    LogCriticalError(StringFormat("MqlParams array size is less than 2", params.Size()), FUNCION_ACTUAL);
    ExpertRemove();
    return;
   }

  SetSetSimple(int(params[0].integer_value), int(params[1].integer_value));
 }

//+------------------------------------------------------------------+
//| Function to set member variables without using MalParams         |
//+------------------------------------------------------------------+
void CBreakEvenSimple::SetSetSimple(int points_be_, int extra_points_be_)
 {
  if(points_be_ <= 0)
   {
    LogError(StringFormat("The points to set the breakeven %I32d are invalid.", points_be_), FUNCION_ACTUAL);
    ExpertRemove();
    return;
   }

  if(extra_points_be_ < 0)
   {
    LogFatalError(StringFormat("The extra points %I32d for the breakeven price are invalid.", extra_points_be_), FUNCION_ACTUAL);
    ExpertRemove();
    return;
   }

  if(extra_points_be_ >= points_be_)
   {
    LogWarning("The break even points (breakeven_price) is greater than the breakeven points (price_to_beat)\nTherefore the value of the extra breakeven points will be modified 0.", FUNCION_ACTUAL);
    this.points_be = points_be_; //0
    this.extra_points_be = 0; //1
    return;
   }

  this.points_be = points_be_; //0
  this.extra_points_be = extra_points_be_; //1
 }

//+------------------------------------------------------------------+
//| Class to apply break even based on atr                           |
//+------------------------------------------------------------------+
#define POINTER_INSTEAD_OF_PERIOD 0

//--- class CBreakEvenAtr
class CBreakEvenAtr : public CBreakEvenBase
 {
private:
  CAtrUltraOptimized* atr_ultra;
  double             atr_multiplier_be;
  double             atr_multiplier_extra_be;
public:
                     CBreakEvenAtr(string symbol_, ulong magic_)
    :                CBreakEvenBase(symbol_, magic_), atr_multiplier_be(1.0), atr_multiplier_extra_be(1.0)
   { this.num_params = 5; }

  bool               Add(ulong post_ticket, double open_price, double sl_price, ENUM_POSITION_TYPE position_type, datetime open_time) override;
  void               Set(BreakEvenParams &params[]) override;
  void               SetSimple(CAtrUltraOptimized * atr_pointer, double atr_multiplier_extra_be_, double atr_multiplier_be_);
  void               SetSimple(int atr_period, int atr_idx_, double atr_multiplier_extra_be_, double atr_multiplier_be_, ENUM_TIMEFRAMES timeframe);
 };

//+------------------------------------------------------------------+
//| Function to set CBreakEvenAtr variables with MqlParams array     |
//+------------------------------------------------------------------+
void CBreakEvenAtr::Set(BreakEvenParams &params[])
 {
  if(params.Size() < 5)
   {
    LogError(StringFormat("The size of the array MqlParams %I32u to set the atr is less than 5", params.Size()), FUNCION_ACTUAL);
    ExpertRemove();
    return;
   }

  if(params[4].integer_value == POINTER_INSTEAD_OF_PERIOD) //4
   {
    /*
     this.atr_pointer = (int)params[0].atr_pointer_value; //0
     this.atr_multiplier_be = params[1].double_value; //1
     this.atr_multiplier_extra_be = params[2].double_value; //2
     */
    SetSimple(params[0].atr_pointer_value, params[2].double_value, params[1].double_value);
   }
  else
   {
    /*
    this.atr_idx = (int)params[0].integer_value; //0
    this.atr_multiplier_be = params[1].double_value; //1
    this.atr_multiplier_extra_be = params[2].double_value; //2
    ENUM_TIMEFRAMES timeframe = (ENUM_TIMEFRAMES)params[3].integer_value; //3
    int period = (int)params[4].integer_value; //4
    */
    SetSimple((int)params[4].integer_value, (int)params[0].integer_value, params[2].double_value, params[1].double_value, (ENUM_TIMEFRAMES)params[3].integer_value);
   }
 }

//+------------------------------------------------------------------------------------+
//| Function to set the values   of the CBreakEvenAtr class without using MqlParams      |
//| Using the handle instead of period and timeframe                                   |
//+------------------------------------------------------------------------------------+
void CBreakEvenAtr::SetSimple(CAtrUltraOptimized* atr_pointer, double atr_multiplier_extra_be_, double atr_multiplier_be_)
 {
  if(atr_multiplier_extra_be_ >= atr_multiplier_be_)
   {
    LogError("The multiplier of the atr to calculate the price be is greater than or equal to the multiplier to set the be", FUNCION_ACTUAL);
    Remover();
    return;
   }

  if(CheckPointer(atr_pointer) == POINTER_INVALID)
   {
    LogFatalError("El puntero a  CAtrUltraOptimized* es invaldio", FUNCION_ACTUAL);
    Remover();
    return;
   }

  this.atr_ultra = atr_pointer;
  this.atr_multiplier_be = atr_multiplier_be_;
  this.atr_multiplier_extra_be = atr_multiplier_extra_be_;
 }

//+------------------------------------------------------------------------------------+
//| Function to set the values   of the CBreakEvenAtr class without using MqlParams      |
//| Configuring the handle with the period and timeframe.                              |
//+------------------------------------------------------------------------------------+
void CBreakEvenAtr::SetSimple(int atr_period, int atr_idx_, double atr_multiplier_extra_be_, double atr_multiplier_be_, ENUM_TIMEFRAMES timeframe)
 {
  CAtrUltraOptimized* atr_op = new CAtrUltraOptimized();
  atr_op.SetVariables(timeframe, this.symbol, atr_idx_, atr_period);
  atr_op.SetInternalPointer();
  SetSimple(atr_op, atr_multiplier_extra_be_, atr_multiplier_be_);
 }

//+------------------------------------------------------------------+
//| Function to add an element to the positions array                |
//+------------------------------------------------------------------+
bool CBreakEvenAtr::Add(ulong post_ticket, double open_price, double sl_price, ENUM_POSITION_TYPE position_type, datetime open_time)
 {
  double val = atr_ultra.base.GetAtrValue(open_time);

  position_be new_pos;
  new_pos.breakeven_price =  position_type == POSITION_TYPE_BUY ? open_price + (val * atr_multiplier_extra_be) : open_price - (val * atr_multiplier_extra_be);
  new_pos.type =  position_type;
  new_pos.price_to_beat = position_type == POSITION_TYPE_BUY ? open_price + (val * atr_multiplier_be) : open_price - (val * atr_multiplier_be);
  new_pos.ticket = post_ticket;
  AddArrayNoVerification(this.PostionsBe, new_pos, CBREAKEVEN_RESERVE_ARR);
  return true;
 }

//+------------------------------------------------------------------+
//| CBreakEvenRR Class                                               |
//+------------------------------------------------------------------+
enum ENUM_TYPE_EXTRA_BE_BY_RRR
 {
  EXTRA_BE_RRR_BY_ATR,         //By Atr
  EXTRA_BE_RRR_BY_FIXED_POINTS //By Fixed Points
 };

//--- class CBreakEvenRR
class CBreakEvenRR : public CBreakEvenBase
 {
private:
  CAtrUltraOptimized* atr_ultra;
  double             coefficient_rr; //Coefficient of rr
  ENUM_TYPE_EXTRA_BE_BY_RRR type;
  double             extra_value_be; //Extra value that will be added to the opening price of the position to obtain the breakeven price
  //Note: if the type is atr this will contain the atr multiplier, if not it will contain the value already multiplied by the point value

public:
                     CBreakEvenRR(string symbol_, ulong magic_);
  bool               Add(ulong post_ticket, double open_price, double sl_price, ENUM_POSITION_TYPE position_type, datetime open_time) override;
  void               Set(BreakEvenParams &params[]) override;
  void               SetSimple(double rr_a_put_the_break_even, ENUM_TYPE_EXTRA_BE_BY_RRR type_extra, double atr_multiplier_or_extra_points, CAtrUltraOptimized * atr_ptr);
  void               SetSimple(double rr_a_put_the_break_even, ENUM_TYPE_EXTRA_BE_BY_RRR type_extra, double atr_multiplier_or_extra_points, int idx_atr_, ENUM_TIMEFRAMES tf_atr, int atr_period_);
 };

//+------------------------------------------------------------------+
//| Contructor                                                       |
//+------------------------------------------------------------------+
void CBreakEvenRR::CBreakEvenRR(string symbol_, ulong magic_)
  : CBreakEvenBase(symbol_, magic_),
    coefficient_rr(1.0),
    extra_value_be(100.0),
    type(EXTRA_BE_RRR_BY_FIXED_POINTS)
 {
  this.num_params = 6;
 }

//+------------------------------------------------------------------+
//| Function to set break even values   by rr with MqlParams           |
//+------------------------------------------------------------------+
void CBreakEvenRR::Set(BreakEvenParams &params[])
 {
  if((int)params.Size() < num_params)
   {
    LogError(StringFormat("The size of the MqlParams array %I32u to set the be by rr is less than 2", params.Size()), FUNCION_ACTUAL);
    ExpertRemove();
    return;
   }

  if(params[5].integer_value == POINTER_INSTEAD_OF_PERIOD)
   {
    //->  (0)double rr_a_put_the_break_even,(1) ENUM_TYPE_EXTRA_BE_BY_RRR type_extra, (2)double atr_multiplier_or_extra_points, (3)int idx_atr_, (4)int atr_handle_
    SetSimple(params[0].double_value, (ENUM_TYPE_EXTRA_BE_BY_RRR)params[1].integer_value, params[2].double_value, params[4].atr_pointer_value);
   }
  else
   {
    //->  (0)double rr_a_put_the_break_even,(1) ENUM_TYPE_EXTRA_BE_BY_RRR type_extra, (2)double atr_multiplier_or_extra_points, (3)int idx_atr_, (4)ENUM_TIMEFRAMES tf_atr, (5)int atr_period_
    SetSimple(params[0].double_value, (ENUM_TYPE_EXTRA_BE_BY_RRR)params[1].integer_value, params[2].double_value, (int)params[3].integer_value, (ENUM_TIMEFRAMES)params[4].integer_value, (int)params[5].integer_value);
   }
 }


//+------------------------------------------------------------------+
//| Function to set break even values by rr without MqlParams        |
//+------------------------------------------------------------------+
void CBreakEvenRR::SetSimple(double rr_a_put_the_break_even, ENUM_TYPE_EXTRA_BE_BY_RRR type_extra, double atr_multiplier_or_extra_points, CAtrUltraOptimized* atr_ptr)
 {
  ResetLastError();

  if(coefficient_rr <= 0.00)
   {
    LogCriticalError(StringFormat("The %+f coefficient of 'reward' is invalid", coefficient_rr), FUNCION_ACTUAL);
    ExpertRemove();
    return;
   }

  if(atr_multiplier_or_extra_points <= 0.00)
   {
    LogCriticalError(StringFormat("The atr multiplier or extra points %f is less than or equal to 0", atr_multiplier_or_extra_points), FUNCION_ACTUAL);
    ExpertRemove();
    return;
   }

  if(type_extra != EXTRA_BE_RRR_BY_ATR && type_extra != EXTRA_BE_RRR_BY_FIXED_POINTS)
   {
    LogCriticalError(StringFormat("The type of extra value %s is invalid", EnumToString(type_extra)), FUNCION_ACTUAL);
    ExpertRemove();
    return;
   }

  this.type = type_extra;
  this.coefficient_rr = rr_a_put_the_break_even;

  if(type_extra == EXTRA_BE_RRR_BY_ATR)
   {
    if(CheckPointer(atr_ptr) == POINTER_INVALID)
     {
      LogFatalError("El puntero 'atr_ptr' es invalido", FUNCION_ACTUAL);
      ExpertRemove();
      return;
     }

    this.atr_ultra = atr_ptr;
    this.extra_value_be = atr_multiplier_or_extra_points;
   }
  else
    this.extra_value_be = atr_multiplier_or_extra_points * this.point_value;
 }

//+------------------------------------------------------------------+
//| Function to set break even values by rr without MqlParams        |
//+------------------------------------------------------------------+
void CBreakEvenRR::SetSimple(double rr_a_put_the_break_even, ENUM_TYPE_EXTRA_BE_BY_RRR type_extra, double atr_multiplier_or_extra_points, int idx_atr_, ENUM_TIMEFRAMES tf_atr, int atr_period_)
 {
  if(type_extra != EXTRA_BE_RRR_BY_ATR && type_extra != EXTRA_BE_RRR_BY_FIXED_POINTS)
   {
    LogCriticalError(StringFormat("The type of extra value %s is invalid", EnumToString(type_extra)), FUNCION_ACTUAL);
    ExpertRemove();
    return;
   }

  if(atr_period_ < 0)
   {
    LogError(StringFormat("The atr period %d is invalid", atr_period_), FUNCION_ACTUAL);
    ExpertRemove();
    return;
   }

  if(type_extra == EXTRA_BE_RRR_BY_ATR)
   {
    CAtrUltraOptimized* atr_ptr = new CAtrUltraOptimized();
    atr_ptr.SetVariables(tf_atr, this.symbol, idx_atr_, atr_period_);
    atr_ptr.SetInternalPointer();

    SetSimple(rr_a_put_the_break_even, type_extra, atr_multiplier_or_extra_points, atr_ptr);
    return;
   }

  SetSimple(rr_a_put_the_break_even, type_extra, atr_multiplier_or_extra_points, NULL);
 }

//+------------------------------------------------------------------+
//| Function to add an element to the positions array                |
//+------------------------------------------------------------------+
bool CBreakEvenRR::Add(ulong post_ticket, double open_price, double sl_price, ENUM_POSITION_TYPE position_type, datetime open_time)
 {
  if(sl_price <= 0.00)
   {
    LogError(StringFormat("Position %I64u with stop loss %+f has sl less than 0", post_ticket, sl_price), FUNCION_ACTUAL);
    return false;
   }

  double val = this.extra_value_be;
  if(type == EXTRA_BE_RRR_BY_ATR)
   {
    val *= atr_ultra.base.GetAtrValue(open_time);
   }

  double diff = fabs(open_price - sl_price);
  if((diff * coefficient_rr) <= val)
   {
    LogError(StringFormat("The distance from the opening price %f where the stoploss is located is greater than or equal to the price to trigger the breakeven", this.extra_value_be), FUNCION_ACTUAL);
    return false;
   }

  position_be new_pos;
  new_pos.breakeven_price = position_type == POSITION_TYPE_BUY ? open_price + val : open_price - val;
  new_pos.type = position_type;
  new_pos.price_to_beat = position_type == POSITION_TYPE_BUY ? open_price + (coefficient_rr * diff) : open_price - (coefficient_rr * diff);
  new_pos.ticket = post_ticket;


  LogInfo(StringFormat("El precio del nuevo stop loss sera %f, valor actual del atr[%d] = %f", new_pos.breakeven_price, atr_ultra.Index(), val), FUNCION_ACTUAL);

  AddArrayNoVerification(this.PostionsBe, new_pos, CBREAKEVEN_RESERVE_ARR);
  return true;
 }


//+------------------------------------------------------------------+
//| CBreakEven class                                                 |
//+------------------------------------------------------------------+
struct BreakEvenParamsInfo
 {
  BreakEvenParams    params[];
 };

//---
class CBreakEven
 {
private:
  ulong               magic;
  string              symbol;
  BreakEvenParamsInfo parameters[];
  CBreakEvenBase *    CreateBreakEven(ENUM_BREAKEVEN_TYPE type);

public:
                     CBreakEven(ulong magic_, string symbol_);
                    ~CBreakEven();

  CBreakEvenBase*    obj;

  //--- Setters
  void               SetInternalPointer(ENUM_BREAKEVEN_TYPE type);
  void               SetBeByFixedPoints(int points_be_, int extra_points_be_);
  void               SetBeByAtr(int atr_period, int atr_idx_, double atr_multiplier_extra_be_, double atr_multiplier_be_, ENUM_TIMEFRAMES timeframe);
  void               SetBeByAtr(double atr_multiplier_be, double atr_multiplier_extra_be, CAtrUltraOptimized* atr_ptr);
  void               SetBeByRR(double rr_a_put_the_break_even, ENUM_TYPE_EXTRA_BE_BY_RRR type_extra, double atr_multiplier_or_extra_points, CAtrUltraOptimized* atr_ptr);
  void               SetBeByRR(double rr_a_put_the_break_even, ENUM_TYPE_EXTRA_BE_BY_RRR type_extra, double atr_multiplier_or_extra_points, int idx_atr_, ENUM_TIMEFRAMES tf_atr, int atr_period_);
 };
//+------------------------------------------------------------------+
//| Contructor                                                       |
//+------------------------------------------------------------------+
CBreakEven::CBreakEven(ulong magic_, string symbol_)
 {
  this.magic = magic_;
  this.symbol = symbol_;
  obj = NULL;
  ArrayResize(parameters, 3);
 }
//+------------------------------------------------------------------+
//| Destructor                                                       |
//+------------------------------------------------------------------+
CBreakEven::~CBreakEven()
 {
//Obj is not deleted since it works with CAccountStatus, without it it cannot do anything
 }
//+------------------------------------------------------------------+
//| Set rr without handle                                            |
//+------------------------------------------------------------------+
void CBreakEven::SetBeByRR(double rr_a_put_the_break_even, ENUM_TYPE_EXTRA_BE_BY_RRR type_extra, double atr_multiplier_or_extra_points, int idx_atr_, ENUM_TIMEFRAMES tf_atr, int atr_period_)
 {
  ArrayResize(parameters[int(BREAKEVEN_TYPE_RR)].params, 6);
  parameters[BREAKEVEN_TYPE_RR].params[0].double_value = rr_a_put_the_break_even;
  parameters[BREAKEVEN_TYPE_RR].params[1].integer_value = (int)type_extra;
  parameters[BREAKEVEN_TYPE_RR].params[2].double_value = atr_multiplier_or_extra_points;
  parameters[BREAKEVEN_TYPE_RR].params[3].integer_value = idx_atr_;
  parameters[BREAKEVEN_TYPE_RR].params[4].integer_value = (int)tf_atr;
  parameters[BREAKEVEN_TYPE_RR].params[5].integer_value = atr_period_;
 }

//+------------------------------------------------------------------+
//| Set rr with handle                                               |
//+------------------------------------------------------------------+
void CBreakEven::SetBeByRR(double rr_a_put_the_break_even, ENUM_TYPE_EXTRA_BE_BY_RRR type_extra, double atr_multiplier_or_extra_points, CAtrUltraOptimized* atr_ptr)
 {
  ArrayResize(parameters[int(BREAKEVEN_TYPE_RR)].params, 6);
  parameters[BREAKEVEN_TYPE_RR].params[0].double_value = rr_a_put_the_break_even;
  parameters[BREAKEVEN_TYPE_RR].params[1].integer_value = (int)type_extra;
  parameters[BREAKEVEN_TYPE_RR].params[2].double_value = atr_multiplier_or_extra_points;
  parameters[BREAKEVEN_TYPE_RR].params[3].integer_value = 0;
  parameters[BREAKEVEN_TYPE_RR].params[4].atr_pointer_value = atr_ptr;
  parameters[BREAKEVEN_TYPE_RR].params[5].integer_value = POINTER_INSTEAD_OF_PERIOD;
 }

//+------------------------------------------------------------------+
//| Set atr (without handle)                                         |
//+------------------------------------------------------------------+
void CBreakEven::SetBeByAtr(int atr_period, int atr_idx_, double atr_multiplier_extra_be_, double atr_multiplier_be_, ENUM_TIMEFRAMES timeframe)
 {
  ArrayResize(parameters[int(BREAKEVEN_TYPE_ATR)].params, 5);
  parameters[BREAKEVEN_TYPE_ATR].params[0].integer_value = atr_idx_;
  parameters[BREAKEVEN_TYPE_ATR].params[1].double_value = atr_multiplier_be_;
  parameters[BREAKEVEN_TYPE_ATR].params[2].double_value = atr_multiplier_extra_be_;
  parameters[BREAKEVEN_TYPE_ATR].params[3].integer_value = int(timeframe);
  parameters[BREAKEVEN_TYPE_ATR].params[4].integer_value = atr_period;
 }

//+------------------------------------------------------------------+
//| Set atr (with handle)                                            |
//+------------------------------------------------------------------+
void CBreakEven::SetBeByAtr(double atr_multiplier_be, double atr_multiplier_extra_be, CAtrUltraOptimized* atr_ptr)
 {
  ArrayResize(parameters[int(BREAKEVEN_TYPE_ATR)].params, 5);
  parameters[BREAKEVEN_TYPE_ATR].params[0].atr_pointer_value = atr_ptr;
  parameters[BREAKEVEN_TYPE_ATR].params[1].double_value = atr_multiplier_be;
  parameters[BREAKEVEN_TYPE_ATR].params[2].double_value = atr_multiplier_extra_be;
  parameters[BREAKEVEN_TYPE_ATR].params[3].integer_value = 0;
  parameters[BREAKEVEN_TYPE_ATR].params[4].integer_value = POINTER_INSTEAD_OF_PERIOD;
 }

//+------------------------------------------------------------------+
//| Set Fixed Point be                                               |
//+------------------------------------------------------------------+
void CBreakEven::SetBeByFixedPoints(int points_be_, int extra_points_be_)
 {
  ArrayResize(parameters[int(BREAKEVEN_TYPE_FIXED_POINTS)].params, 2);
  parameters[BREAKEVEN_TYPE_FIXED_POINTS].params[0].integer_value = points_be_;
  parameters[BREAKEVEN_TYPE_FIXED_POINTS].params[1].integer_value = extra_points_be_;
 }

//+------------------------------------------------------------------+
//| Dynamically create the correct BreakEven                         |
//+------------------------------------------------------------------+
CBreakEvenBase * CBreakEven::CreateBreakEven(ENUM_BREAKEVEN_TYPE type)
 {
  switch(type)
   {
    case BREAKEVEN_TYPE_ATR:
      return new CBreakEvenAtr(this.symbol, this.magic);

    case BREAKEVEN_TYPE_RR:
      return new CBreakEvenRR(this.symbol, this.magic);

    case BREAKEVEN_TYPE_FIXED_POINTS:
      return new CBreakEvenSimple(this.symbol, this.magic);

    default:
      return NULL;
   }
 }

//+------------------------------------------------------------------+
//| Set Pointer                                                      |
//+------------------------------------------------------------------+
void CBreakEven::SetInternalPointer(ENUM_BREAKEVEN_TYPE type)
 {
  if(CheckPointer(this.obj) == POINTER_DYNAMIC)
   {
    delete this.obj;
    this.obj = NULL;
    account_status.Remove(obj);
   }

  this.obj = CreateBreakEven(type);

  if(this.obj == NULL)
   {
    printf("%s: Critical error | The type %d is invalid.", __FUNCTION__, type);
    ExpertRemove();
    return;
   }

  if((int)parameters[type].params.Size() < obj.GetNumParams())
   {
    printf("%s: Error | The parameter array for %s is too small (%I32u elements)",
           __FUNCTION__, EnumToString(type), parameters[type].params.Size());
    delete obj;
    obj = NULL;
    account_status.Remove(obj);
    ExpertRemove();
    return;
   }

  obj.Set(parameters[type].params);

//--- We link the object so that it has access to the account positions
  account_status.AddItemFast(obj);
 }
//+------------------------------------------------------------------+
#endif
//+------------------------------------------------------------------+