//+------------------------------------------------------------------+
//|                                                        Doliv.mq5 |
//|                                              Copyright 2021, AM2 |
//|                                     https://www.forexsystems.biz |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, AM2"
#property link      "https://www.forexsystems.biz"
#property version   "1.00"

#include <Trade\Trade.mqh>             // Подключаем торговый класс CTrade

input double Lots       = 0.1;  // лот
input double Profit     = 10;   // профит
input int    StopLoss   = 0;    // стоплосс
input int    TakeProfit = 0;    // тейкпрофит

input int    Step       = 100;  // шаг
input int    Slip       = 100;  // проскальзывание

input string Symbol1    = "EURUSD";
input string Symbol2    = "GBPUSD";
input string Symbol3    = "USDCHF";

CTrade trade;                   // Используем торговый класс CTrade

//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {
//---

//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {

  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CloseAll(string symb, int type=-1)
  {
   for(int i=PositionsTotal()-1; i>=0; i--)
     {
      if(PositionSelectByTicket(PositionGetTicket(i)) && PositionGetString(POSITION_SYMBOL)==symb)
        {
         if(PositionGetInteger(POSITION_TYPE)==type || type==-1)
           {
            trade.PositionClose(PositionGetTicket(i));
           }
        }
     }
  }
//+------------------------------------------------------------------+
//|  Position Profit                                                 |
//+------------------------------------------------------------------+
double AllProfit(string symb)
  {
   double p=0;

   for(int i=PositionsTotal()-1; i>=0; i--)
     {
      if(PositionSelectByTicket(PositionGetTicket(i)) && PositionGetString(POSITION_SYMBOL)==symb)
         p+=PositionGetDouble(POSITION_PROFIT)+PositionGetDouble(POSITION_SWAP);
     }
   return(p);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double LastBuyPrice(string symb)
  {
   double pr=0;
   for(int i=PositionsTotal()-1; i>=0; i--)
     {
      if(PositionSelectByTicket(PositionGetTicket(i)) && PositionGetInteger(POSITION_TYPE)==0 && PositionGetString(POSITION_SYMBOL)==symb)
        {
         pr=PositionGetDouble(POSITION_PRICE_OPEN);
         break;
        }
     }
   return(pr);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double LastSellPrice(string symb)
  {
   double pr=0;

   for(int i=PositionsTotal()-1; i>=0; i--)
     {
      if(PositionSelectByTicket(PositionGetTicket(i)) && PositionGetInteger(POSITION_TYPE)==1 && PositionGetString(POSITION_SYMBOL)==symb)
        {
         pr=PositionGetDouble(POSITION_PRICE_OPEN);
         break;
        }
     }
   return(pr);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int CountTrades(string symb)
  {
   int count=0;

   for(int i=PositionsTotal()-1; i>=0; i--)
     {
      if(PositionSelectByTicket(PositionGetTicket(i)))
        {
         if(PositionGetString(POSITION_SYMBOL)==symb)
           {
            if(OrderGetInteger(ORDER_TYPE)<2)
               count++;
           }
        }
     }
   return(count);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void Trade(string symb)
  {
   double Ask=SymbolInfoDouble(symb,SYMBOL_ASK);
   double Bid=SymbolInfoDouble(symb,SYMBOL_BID);
   double pp=SymbolInfoDouble(symb,SYMBOL_POINT);

   if(AllProfit(symb)>Profit && Profit>0)
     {
      CloseAll(symb,-1);
     }

   if(CountTrades(symb)<1)
     {
      trade.PositionOpen(symb,0,Lots,Ask,0,0);
      trade.PositionOpen(symb,1,Lots,Bid,0,0);
     }

   if(CountTrades(symb)>0)
     {
      if(Bid-LastBuyPrice(symb)>Step*pp)
         trade.PositionOpen(symb,0,Lots,Ask,0,0);
      if(LastSellPrice(symb)-Bid>Step*pp)
         trade.PositionOpen(symb,1,Lots,Bid,0,0);
     }
  }
//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
  {
   if(Symbol1!="")
      Trade(Symbol1);

   if(Symbol2!="")
      Trade(Symbol2);

   if(Symbol3!="")
      Trade(Symbol3);

   Comment("\n Profit: ",AllProfit(Symbol1),
           "\n Trades: ",CountTrades(Symbol1));
  }
//+------------------------------------------------------------------+