//+------------------------------------------------------------------+
//|                                                      MADoliv.mq4 |
//|                                              Copyright 2017, AM2 |
//|                                      http://www.forexsystems.biz |
//+------------------------------------------------------------------+
#property copyright "Copyright 2017, AM2"
#property link      "http://www.forexsystems.biz"
#property version   "1.00"
#property strict

//--- Inputs
extern double Lots       = 0.1;      // лот
extern int StopLoss      = 2000;     // лось
extern int TakeProfit    = 3000;     // язь
extern int TrailingStop  = 0;        // трал
extern int Slip          = 30;       // реквот
extern int Shift         = 1;        // на каком баре сигнал индикатора
extern int MAPeriod      = 14;       // период MA 
extern int Delta         = 100;      // дельта
extern int Count         = 3;        // число свечей
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;

   if(type==1 || type==3 || type==5)
     {
      clr=Red;
      if(StopLoss>0) sl=NormalizeDouble(price+StopLoss*Point,Digits);
      if(TakeProfit>0) tp=NormalizeDouble(price-TakeProfit*Point,Digits);
     }

   if(type==0 || type==2 || type==4)
     {
      clr=Blue;
      if(StopLoss>0) sl=NormalizeDouble(price-StopLoss*Point,Digits);
      if(TakeProfit>0) tp=NormalizeDouble(price+TakeProfit*Point,Digits);
     }

   r=OrderSend(NULL,type,Lots,NormalizeDouble(price,Digits),Slip,sl,tp,"",Magic,0,clr);
   return;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
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);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double MADelta()
  {

   double ma1=iMA(NULL,0,MAPeriod,0,0,0,Shift);
   double ma2=iMA(NULL,0,MAPeriod,0,0,0,Shift+Count);
   double delta=(ma1-ma2)/Point;
   return(delta);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void OpenPos()
  {
   double ma=iMA(NULL,0,MAPeriod,0,0,0,Shift);

   if(MADelta()>Delta && Ask>ma)
     {
      PutOrder(0,Ask);
     }

   if(MADelta()<-Delta && Bid<ma)
     {
      PutOrder(1,Bid);
     }
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void Trailing()
  {
   bool mod;
   for(int i=OrdersTotal()-1;i>=0;i--)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))
        {
         if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
           {
            if(OrderType()==OP_BUY)
              {
               if(Bid-OrderOpenPrice()>TrailingStop*Point)
                 {
                  if(OrderStopLoss()<Bid-TrailingStop*Point)
                    {
                     mod=OrderModify(OrderTicket(),OrderOpenPrice(),Bid-TrailingStop*Point,OrderTakeProfit(),0,Yellow);
                     return;
                    }
                 }
              }

            if(OrderType()==OP_SELL)
              {
               if((OrderOpenPrice()-Ask)>TrailingStop*Point)
                 {
                  if((OrderStopLoss()>(Ask+TrailingStop*Point)) || (OrderStopLoss()==0))
                    {
                     mod=OrderModify(OrderTicket(),OrderOpenPrice(),Ask+TrailingStop*Point,OrderTakeProfit(),0,Yellow);
                     return;
                    }
                 }
              }
           }
        }
     }
  }
//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
  {
   if(t!=Time[0])
     {
      OpenPos();
      if(TrailingStop>0) Trailing();
      t=Time[0];
     }

   Comment("\n Delta: ",MADelta());
  }
//+------------------------------------------------------------------+