//+------------------------------------------------------------------+
//|                       AO-AC_Cross_Alert_Limit(AM)Sintetic.mq4    |
//|                                       Andrey Matvievskiy         |                                             
//+------------------------------------------------------------------+

#property copyright "Andrey Matvievskiy"

#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 Blue
#property indicator_color2 Red
#property indicator_width1  3
#property indicator_width2  3
#property indicator_color3 Blue
#property indicator_color4 Red
#property indicator_width3  0
#property indicator_width4  0


extern bool SoundON=false;
extern bool EmailON=false;
//---- input parameters

extern int AO_PeriodMA1 = 34;
extern int AO_PeriodMA2 = 5;
extern int AO_TypeMA1 = 0;
extern int AO_TypeMA2 = 0;
extern int AO_PriceMA1 = 4;
extern int AO_PriceMA2 = 4;
extern int AO_TF1 = 0;
extern int AO_TF2 = 0;
extern int AO_Shift1 = 0;
extern int AO_Shift2 = 0;

extern int AC_PeriodMA1 = 34;
extern int AC_PeriodMA2 = 5;
extern int AC_PeriodMA3 = 5;
extern int AC_TypeMA1 = 0;
extern int AC_TypeMA2 = 0;
extern int AC_TypeMA3 = 0;
extern int AC_PriceMA1 = 4;
extern int AC_PriceMA2 = 4;
extern int AO_AC_TF1 = 0;
extern int AO_AC_TF2 = 0;
extern int AO_AC_Shift1 = 0;
extern int AO_AC_Shift2 = 0;
extern int AO_AC_Shift3 = 0;

extern int CountedBars = 300;


double CrossUp1[];
double CrossDown1[];
double CrossUp2[];
double CrossDown2[];
int flagval1 = 0;
int flagval2 = 0;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   SetIndexStyle(0, DRAW_ARROW, EMPTY);
   SetIndexArrow(0, 241);
   SetIndexBuffer(0, CrossUp1);
   SetIndexStyle(1, DRAW_ARROW, EMPTY);
   SetIndexArrow(1, 242);
   SetIndexBuffer(1, CrossDown1);
  
   SetIndexStyle(2, DRAW_ARROW, EMPTY);
   SetIndexArrow(2, 241);
   SetIndexBuffer(2, CrossUp2);
   SetIndexStyle(3, DRAW_ARROW, EMPTY);
   SetIndexArrow(3, 242);
   SetIndexBuffer(3, CrossDown2);
   
   SetIndexLabel(0,"AO+");
   SetIndexLabel(1,"AO-");
   SetIndexLabel(2,"AC+");
   SetIndexLabel(3,"AC-");
   
      
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//---- 

//----
   return(0);
  }


//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start() {
   int limit, i, counter;
   double tmp=0;
   double X, Y, Z, A, B, C;
   double Range, AvgRange;
   int counted_bars=IndicatorCounted();
//---- check for possible errors
   if(counted_bars<0) return(-1);
//---- last counted bar will be recounted
   if(counted_bars>0) counted_bars--;

   limit=CountedBars;
   
   for(i = 1; i <= limit; i++) {
   
      counter=i;
      Range=0;
      AvgRange=0;
      for (counter=i ;counter<=i+9;counter++)
      {
         AvgRange=AvgRange+MathAbs(High[counter]-Low[counter]);
      }
      Range=AvgRange/10;
       
      X = iCustom(NULL, 0, "AO(AM)", AO_PeriodMA1, AO_PeriodMA2, AO_TypeMA1, AO_TypeMA2, AO_PriceMA1, AO_PriceMA2, AO_TF1, AO_TF2, AO_Shift1, AO_Shift2,0,i);
      Y = iCustom(NULL, 0, "AO(AM)", AO_PeriodMA1, AO_PeriodMA2, AO_TypeMA1, AO_TypeMA2, AO_PriceMA1, AO_PriceMA2, AO_TF1, AO_TF2, AO_Shift1, AO_Shift2,0,i+1);
      Z = iCustom(NULL, 0, "AO(AM)", AO_PeriodMA1, AO_PeriodMA2, AO_TypeMA1, AO_TypeMA2, AO_PriceMA1, AO_PriceMA2, AO_TF1, AO_TF2, AO_Shift1, AO_Shift2,0,i+2);
      
      A = iCustom(NULL, 0, "AC(AM)", AC_PeriodMA1, AC_PeriodMA2, AC_PeriodMA3, AC_TypeMA1, AC_TypeMA2, AC_TypeMA3, AC_PriceMA1, AC_PriceMA2, AO_AC_TF1, AO_AC_TF2, AO_AC_Shift1, AO_AC_Shift2, AO_AC_Shift3,0,i);
      B = iCustom(NULL, 0, "AC(AM)", AC_PeriodMA1, AC_PeriodMA2, AC_PeriodMA3, AC_TypeMA1, AC_TypeMA2, AC_TypeMA3, AC_PriceMA1, AC_PriceMA2, AO_AC_TF1, AO_AC_TF2, AO_AC_Shift1, AO_AC_Shift2, AO_AC_Shift3,0,i+1);
      C = iCustom(NULL, 0, "AC(AM)", AC_PeriodMA1, AC_PeriodMA2, AC_PeriodMA3, AC_TypeMA1, AC_TypeMA2, AC_TypeMA3, AC_PriceMA1, AC_PriceMA2, AO_AC_TF1, AO_AC_TF2, AO_AC_Shift1, AO_AC_Shift2, AO_AC_Shift3,0,i+2);      
            
      CrossUp1[i] = 0;
      CrossDown1[i] = 0;
      CrossUp2[i] = 0;
      CrossDown2[i] = 0;
      
      if ((Y<X) && (Z>Y))
      
         {
         if (i == 1 && flagval1==0)
         {
           flagval1=1;
           flagval2=0;
           if (SoundON) Alert("AO UP =",Ask,"\n Bid=",Bid,"\n Time=",TimeToStr(CurTime(),TIME_DATE)," ",TimeHour(CurTime()),":",TimeMinute(CurTime()),"\n Symbol=",Symbol()," Period=",Period());
           if (EmailON) SendMail("AO UP","AO UP ="+DoubleToStr(Ask,4)+", Bid="+DoubleToStr(Bid,4)+", Date="+TimeToStr(CurTime(),TIME_DATE)+" "+TimeHour(CurTime())+":"+TimeMinute(CurTime())+" Symbol="+Symbol()+" Period="+Period());
         }
         CrossUp1[i] = Low[i] - Range*0.5;
      }
      if ((Y>X) && (Z<Y))
      {
         if (i == 1 && flagval2==0)
         {
          flagval2=1;
          flagval1=0;
         if (SoundON) Alert("AO DOWN =",Ask,"\n Bid=",Bid,"\n Date=",TimeToStr(CurTime(),TIME_DATE)," ",TimeHour(CurTime()),":",TimeMinute(CurTime()),"\n Symbol=",Symbol()," Period=",Period());
         if (EmailON) SendMail("AO DOWN","AO DOWN ="+DoubleToStr(Ask,4)+", Bid="+DoubleToStr(Bid,4)+", Date="+TimeToStr(CurTime(),TIME_DATE)+" "+TimeHour(CurTime())+":"+TimeMinute(CurTime())+" Symbol="+Symbol()+" Period="+Period());
         }
         CrossDown1[i] = High[i] + Range*0.5;
      }
      
      
      if ((Y<0) && (X>0))
      
         {
         if (i == 1 && flagval1==0)
         {
           flagval1=1;
           flagval2=0;
           if (SoundON) Alert("AO UP x 0 =",Ask,"\n Bid=",Bid,"\n Time=",TimeToStr(CurTime(),TIME_DATE)," ",TimeHour(CurTime()),":",TimeMinute(CurTime()),"\n Symbol=",Symbol()," Period=",Period());
           if (EmailON) SendMail("AO UP x 0","AO UP x 0 ="+DoubleToStr(Ask,4)+", Bid="+DoubleToStr(Bid,4)+", Date="+TimeToStr(CurTime(),TIME_DATE)+" "+TimeHour(CurTime())+":"+TimeMinute(CurTime())+" Symbol="+Symbol()+" Period="+Period());
         }
         CrossUp1[i] = Low[i] - Range*0.5;
      }
      if ((Y>0) && (X<0))
      {
         if (i == 1 && flagval2==0)
         {
          flagval2=1;
          flagval1=0;
         if (SoundON) Alert("AO DOWN x 0 =",Ask,"\n Bid=",Bid,"\n Date=",TimeToStr(CurTime(),TIME_DATE)," ",TimeHour(CurTime()),":",TimeMinute(CurTime()),"\n Symbol=",Symbol()," Period=",Period());
         if (EmailON) SendMail("AO DOWN x 0","AO DOWN x 0 ="+DoubleToStr(Ask,4)+", Bid="+DoubleToStr(Bid,4)+", Date="+TimeToStr(CurTime(),TIME_DATE)+" "+TimeHour(CurTime())+":"+TimeMinute(CurTime())+" Symbol="+Symbol()+" Period="+Period());
         }
         CrossDown1[i] = High[i] + Range*0.5;
      }
      
      if ((B<A) && (C>B))
      
         {
         if (i == 1 && flagval1==0)
         {
           flagval1=1;
           flagval2=0;
           if (SoundON) Alert("AC UP =",Ask,"\n Bid=",Bid,"\n Time=",TimeToStr(CurTime(),TIME_DATE)," ",TimeHour(CurTime()),":",TimeMinute(CurTime()),"\n Symbol=",Symbol()," Period=",Period());
           if (EmailON) SendMail("AC UP","AC UP ="+DoubleToStr(Ask,4)+", Bid="+DoubleToStr(Bid,4)+", Date="+TimeToStr(CurTime(),TIME_DATE)+" "+TimeHour(CurTime())+":"+TimeMinute(CurTime())+" Symbol="+Symbol()+" Period="+Period());
         }
         CrossUp2[i] = Low[i] - Range*0.5;
      }
      if ((B>A) && (C<B))
      {
         if (i == 1 && flagval2==0)
         {
          flagval2=1;
          flagval1=0;
         if (SoundON) Alert("AC DOWN =",Ask,"\n Bid=",Bid,"\n Date=",TimeToStr(CurTime(),TIME_DATE)," ",TimeHour(CurTime()),":",TimeMinute(CurTime()),"\n Symbol=",Symbol()," Period=",Period());
         if (EmailON) SendMail("AC DOWN","AC DOWN ="+DoubleToStr(Ask,4)+", Bid="+DoubleToStr(Bid,4)+", Date="+TimeToStr(CurTime(),TIME_DATE)+" "+TimeHour(CurTime())+":"+TimeMinute(CurTime())+" Symbol="+Symbol()+" Period="+Period());
         }
         CrossDown2[i] = High[i] + Range*0.5;
      }
      
      
      if ((B<0) && (A>0))
      
         {
         if (i == 1 && flagval1==0)
         {
           flagval1=1;
           flagval2=0;
           if (SoundON) Alert("AC UP x 0 =",Ask,"\n Bid=",Bid,"\n Time=",TimeToStr(CurTime(),TIME_DATE)," ",TimeHour(CurTime()),":",TimeMinute(CurTime()),"\n Symbol=",Symbol()," Period=",Period());
           if (EmailON) SendMail("AC UP x 0","AC UP x 0 ="+DoubleToStr(Ask,4)+", Bid="+DoubleToStr(Bid,4)+", Date="+TimeToStr(CurTime(),TIME_DATE)+" "+TimeHour(CurTime())+":"+TimeMinute(CurTime())+" Symbol="+Symbol()+" Period="+Period());
         }
         CrossUp2[i] = Low[i] - Range*0.5;
      }
      if ((B>0) && (A<0))
      {
         if (i == 1 && flagval2==0)
         {
          flagval2=1;
          flagval1=0;
         if (SoundON) Alert("AC DOWN x 0 =",Ask,"\n Bid=",Bid,"\n Date=",TimeToStr(CurTime(),TIME_DATE)," ",TimeHour(CurTime()),":",TimeMinute(CurTime()),"\n Symbol=",Symbol()," Period=",Period());
         if (EmailON) SendMail("AC DOWN x 0","AC DOWN x 0 ="+DoubleToStr(Ask,4)+", Bid="+DoubleToStr(Bid,4)+", Date="+TimeToStr(CurTime(),TIME_DATE)+" "+TimeHour(CurTime())+":"+TimeMinute(CurTime())+" Symbol="+Symbol()+" Period="+Period());
         }
         CrossDown2[i] = High[i] + Range*0.5;
      }
     }

   return(0);
}