//+------------------------------------------------------------------+
//|                                                          Div.mq4 |
//|                                              Copyright 2016, AM2 |
//|                                      http://www.forexsystems.biz |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2016, AM2"
#property link      "http://www.forexsystems.biz"
#property description "simple expert advisor"

//--- Inputs
extern int    StopLoss     = 500;
extern int    TakeProfit   = 500;
extern int    BULevel      = 300;
extern int    TrailingStop = 300;
extern int    Slip         = 30;
extern int    Magic        = 123;
extern double Lots         = 0.1;

//--- indicator parameters
input int InpFastEMA       = 12;   // Fast EMA Period
input int InpSlowEMA       = 26;   // Slow EMA Period
input int InpSignalSMA     = 9;    // Signal SMA Period

datetime t=0;
//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {
//---

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

  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void PutOrder(int type,double price)
  {
   int    r=0;
   color clr=clrNONE;
   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;
//---
  }
//+------------------------------------------------------------------+
//| Check for open order conditions                                  |
//+------------------------------------------------------------------+
void OpenPos()
  {
   double div1=iCustom(Symbol(),0,"DivOsMA",InpFastEMA,InpSlowEMA,InpSignalSMA,0,1);
   double div2=iCustom(Symbol(),0,"DivOsMA",InpFastEMA,InpSlowEMA,InpSignalSMA,0,2);
   double div3=iCustom(Symbol(),0,"DivOsMA",InpFastEMA,InpSlowEMA,InpSignalSMA,0,3);

//--- sell conditions
   if(div1<div2 && div2>div3)
     {
      PutOrder(1,Bid);
     }
//--- buy conditions
   if(div1>div2 && div2<div3)
     {
      PutOrder(0,Ask);
     }
//---
  }
//+------------------------------------------------------------------+
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()==OP_BUY || OrderType()==OP_SELL)
               count++;
           }
        }
     }
   return(count);
  }
//+------------------------------------------------------------------+
void Trailing()
  {
   bool mod;
   for(int i=0; i<OrdersTotal(); 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;
                       }
                    }
              }
           }
        }
     }
  }
//+------------------------------------------------------------------+
void BU()
  {
   bool m;
   for(int i=0; i<OrdersTotal(); i++)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))
        {
         if(OrderSymbol()==Symbol() || OrderMagicNumber()==Magic)
           {
            if(OrderType()==OP_BUY)
              {
               if(OrderOpenPrice()<=(Bid-(BULevel+20)*Point) && OrderOpenPrice()>OrderStopLoss())
                 {
                  m=OrderModify(OrderTicket(),OrderOpenPrice(),OrderOpenPrice()+20*Point,OrderTakeProfit(),0,Green);
                  return;
                 }
              }

            if(OrderType()==OP_SELL)
              {
               if(OrderOpenPrice()>=(Ask+(BULevel+20)*Point) && OrderOpenPrice()<OrderStopLoss())
                 {
                  m=OrderModify(OrderTicket(),OrderOpenPrice(),OrderOpenPrice()-20*Point,OrderTakeProfit(),0,Green);
                  return;
                 }
              }
           }
        }
     }
  }
//+------------------------------------------------------------------+
//| OnTick function                                                  |
//+------------------------------------------------------------------+
void OnTick()
  {
   if(t!=Time[0])
     {
      OpenPos();
      t=Time[0];
     }
   if(BULevel>0) BU();
   if(TrailingStop>0) Trailing();
//---
  }
//+------------------------------------------------------------------+