//+------------------------------------------------------------------+
//|                                                        Sutki.mq4 |
//|                                              Copyright 2020, AM2 |
//|                                      http://www.forexsystems.biz |
//+------------------------------------------------------------------+
#property copyright "Copyright 2020, AM2"
#property link      "http://www.forexsystems.biz"
#property version   "1.00"
#property strict

//--- Inputs
extern double Lots       = 0.1;      // лот
extern double KLot       = 2;        // умножение лота
extern double MaxLot     = 5;        // максимальный лот
extern int MAPeriod      = 50;       // период МА
extern int Slip          = 30;       // реквот
extern int Magic         = 123;      // магик

datetime t=0;
//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {
//---
   Comment("");
//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
   Comment("");
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void PutOrder(int type,double price)
  {
   int r=0;
   color clr=Green;
   double sl=0,tp=0,st=0,tk=0;

   st=MathAbs(iClose(NULL,PERIOD_D1,1)-iOpen(NULL,PERIOD_D1,1));
   tk=(MathAbs((iClose(NULL,PERIOD_D1,1)-iOpen(NULL,PERIOD_D1,1)))
       +MathAbs((iClose(NULL,PERIOD_D1,2)-iOpen(NULL,PERIOD_D1,2)))
       +MathAbs((iClose(NULL,PERIOD_D1,3)-iOpen(NULL,PERIOD_D1,3))))/3;

   if(type==1 || type==3 || type==5)
     {
      clr=Red;
      sl=NormalizeDouble(price+st,_Digits);
      tp=NormalizeDouble(price-tk,_Digits);
     }

   if(type==0 || type==2 || type==4)
     {
      clr=Blue;
      sl=NormalizeDouble(price-st,_Digits);
      tp=NormalizeDouble(price+tk,_Digits);
     }

   r=OrderSend(NULL,type,Lot(),NormalizeDouble(price,_Digits),Slip,sl,tp,"",Magic,0,clr);
   return;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double Lot()
  {
   double lot=Lots;
   if(CountTrades()>0)
     {
      lot=NormalizeDouble(Lots*MathPow(KLot,CountTrades()),2);
     }
   if(lot>MaxLot)
      lot=Lots;
   return(lot);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int CountTrades()
  {
   int count=0;
   for(int i=OrdersTotal()-1; i>=0; i--)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))
        {
         if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
           {
            if(OrderType()<2)
               count++;
           }
        }
     }
   return(count);
  }
//+------------------------------------------------------------------+
//| Профит всех ордеров по типу ордера                               |
//+------------------------------------------------------------------+
double AllProfit(int ot=-1)
  {
   double pr=0;
   for(int i=OrdersTotal()-1; i>=0; i--)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))
        {
         if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
           {
            if(OrderType()==0 && (ot==0 || ot==-1))
              {
               pr+=OrderProfit()+OrderCommission()+OrderSwap();
              }

            if(OrderType()==1 && (ot==1 || ot==-1))
              {
               pr+=OrderProfit()+OrderCommission()+OrderSwap();
              }
           }
        }
     }
   return(pr);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CloseAll(int ot=-1)
  {
   bool cl;
   for(int i=OrdersTotal()-1; i>=0; i--)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))
        {
         if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
           {
            if(OrderType()==0 && (ot==0 || ot==-1))
              {
               RefreshRates();
               cl=OrderClose(OrderTicket(),OrderLots(),NormalizeDouble(Bid,_Digits),Slip,White);
              }
            if(OrderType()==1 && (ot==1 || ot==-1))
              {
               RefreshRates();
               cl=OrderClose(OrderTicket(),OrderLots(),NormalizeDouble(Ask,_Digits),Slip,White);
              }
           }
        }
     }
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int FindOrderType()
  {
   int oticket,ticketNumber=0,type=0;
   for(int i=OrdersTotal()-1; i>=0; i--)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))
        {
         if(OrderSymbol()==Symbol())
           {
            oticket=OrderTicket();
            if(oticket>ticketNumber)
              {
               ticketNumber=oticket;
               type=OrderType();
              }
           }
        }
     }
   return(type);
  }
//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
  {
   if(t!=iTime(NULL,PERIOD_D1,0))
     {
      if(AllProfit()>0)
         CloseAll();

      if(AllProfit()<0)
        {
         if(FindOrderType()==0)
            PutOrder(0,Ask);

         if(FindOrderType()==1)
            PutOrder(1,Bid);
        }
      t=iTime(NULL,PERIOD_D1,0);
     }

   if(CountTrades()<1)
     {
      double ma=iMA(NULL,0,MAPeriod,0,0,0,0);

      if(Ask>ma)
         PutOrder(0,Ask);

      if(Bid<ma)
         PutOrder(1,Bid);
     }

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