[Sirocool]

//+------------------------------------------------------------------+
//|                       SHARK_MACD_2021.mq4                        |
//|                                                                  |
//|                                                                  |
//+------------------------------------------------------------------+

#property icon "Shark.ico" 

#property indicator_separate_window
#property indicator_buffers 1

#property indicator_level1  0
#property indicator_levelcolor clrDarkGray
#property indicator_levelstyle DRAW_ZIGZAG

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+

extern string SHARK_MACD_PARAMETER;

extern int    FAST_EMA = 12; 
extern int    SLOW_EMA = 26;
extern int    MACD_SMA =  9;

input ENUM_APPLIED_PRICE Shark_Price = PRICE_CLOSE;

extern string Shark_MACD_ALERT;
extern bool   PUSH_MOBILE_ALERT   = true;  
  
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double SHARK_BUFFER_M[];
datetime time_alert;

int OnInit()
  {
   IndicatorBuffers(1);
   SetIndexBuffer(0,SHARK_BUFFER_M);SetIndexLabel(0,NULL);SetIndexStyle(0,DRAW_HISTOGRAM,STYLE_SOLID,3,clrSnow);
   return(INIT_SUCCEEDED);
  }
int start() 
{

int counted_bars=IndicatorCounted(),limit,i,r;
   if(counted_bars<0) return(-1);
   limit=Bars-counted_bars;

for (i=limit, r=Bars-i-1; i>=0 && !IsStopped(); i--,r++)
{ 
SHARK_BUFFER_M[i] = iMACD(Symbol(),PERIOD_CURRENT,FAST_EMA,SLOW_EMA,MACD_SMA,Shark_Price,MODE_MAIN,i);
if(SHARK_BUFFER_M[i+1] < 0 && SHARK_BUFFER_M[i] > 0 )
{
if(i == 0 && Time[0] != time_alert) { myAlert("BUY"); time_alert = Time[0];} 
}
if(SHARK_BUFFER_M[i+1] > 0 && SHARK_BUFFER_M[i] < 0 )
{
if(i == 0 && Time[0] != time_alert) { myAlert("SELL"); time_alert = Time[0];} 
}

 
}





return(0);
}


void myAlert(string type)
  {
   
      
    if(type == "error")
     {
      Print(type+" | SHARK_MACD_2021 @ "+Symbol()+","+IntegerToString(Period()));
     }
   else if(type == "SELL")
     {
     if(PUSH_MOBILE_ALERT) SendNotification(type+" | SHARK_MACD_2021 @ "+Symbol()+","+IntegerToString(Period()));
     }
   else if(type == "BUY")
     {
      if(PUSH_MOBILE_ALERT) SendNotification(type+" | SHARK_MACD_2021 @ "+Symbol()+","+IntegerToString(Period()));
     }
  }