//+------------------------------------------------------------------+
//|                                                 TARZAN ALERT.mq4 |
//|                                               Yuriy Tokman (YTG) |
//|                       https://www.mql5.com/ru/users/satop/seller |
//+------------------------------------------------------------------+
#property copyright "Yuriy Tokman (YTG)"
#property link      "https://www.mql5.com/ru/users/satop/seller"
#property version   "1.00"
#property strict
#property indicator_separate_window

#property indicator_buffers  6
#property  indicator_color1  Yellow
#property  indicator_color3  Aqua
#property  indicator_color4  Aqua
#property  indicator_color5  Lime
#property  indicator_color6  Red
#property  indicator_width1  3
#property indicator_level1 15.0
#property indicator_level2 85.0
//----+
extern bool Alert_ = true;
extern int TimeSleep_Alert = 120;
//----+
input ENUM_TIMEFRAMES TimeFrame = PERIOD_H1;
input int RSI=5;
input int applied_RSI=0;
input int MA=50;
input int method_MA=0;
input int koridor = 5;
//---- buffers
double BU0[];
double BU1[];
double BU2[];
double BU3[];
double BU4[];
double BU5[];
string name = "";
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {
//--- indicator buffers mapping
   name = "TARZAN+ALERT "+GetNameTF(TimeFrame)+" "+Symbol()+" RSI="+DoubleToStr(RSI,0)+" MA="+DoubleToStr(MA,0);
   IndicatorShortName(name);
   SetIndexBuffer(0, BU0);
   SetIndexStyle(0, DRAW_LINE);   
   SetIndexBuffer(1, BU1);
   SetIndexStyle(1,DRAW_NONE);
   //---- 
   SetIndexBuffer(2, BU2);
   SetIndexStyle(2, DRAW_LINE);   
   SetIndexBuffer(3, BU3);
   SetIndexStyle(3,DRAW_LINE);
   //----
   SetIndexBuffer(4, BU4);
   SetIndexStyle(4, DRAW_ARROW);
   SetIndexArrow(4,110);
   
   SetIndexBuffer(5, BU5);
   SetIndexStyle(5,DRAW_ARROW);
   SetIndexArrow(5,110);   
//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,
                const int prev_calculated,
                const datetime &time[],
                const double &open[],
                const double &high[],
                const double &low[],
                const double &close[],
                const long &tick_volume[],
                const long &volume[],
                const int &spread[])
  {
//---
//----
   int limit,b_sh;  
   int counted_bars=IndicatorCounted();   
   if(counted_bars<0) return(-1);
   if(counted_bars>0) counted_bars--;
   limit=Bars-counted_bars;
//----
 if(TimeFrame>=Period()){
   for(int i=0; i<limit; i++)
   {
    b_sh=iBarShift(Symbol(),TimeFrame,Time[i]);            
    BU0[i] = iRSI(Symbol(),TimeFrame,RSI,applied_RSI,b_sh);        
   }}
//----
   int koef = 1;
   if(TimeFrame>0)koef = TimeFrame/Period();
//----
   for(int i=0; i<limit; i++)
    {           
     BU1[i] = iMAOnArray(BU0,0,MA*koef,0,method_MA,i);
     BU2[i] = iMAOnArray(BU0,0,MA*koef,0,method_MA,i)+koridor;
     BU3[i] = iMAOnArray(BU0,0,MA*koef,0,method_MA,i)-koridor;         
    }        
//----
   for(int i=0; i<limit; i++){
    if(BU0[i]>BU1[i]) BU4[i]= iMAOnArray(BU0,0,MA*koef,0,method_MA,i);
    else  BU5[i]= iMAOnArray(BU0,0,MA*koef,0,method_MA,i);        
   }
//----
  if(Alert_ && NewTime())
   {
    if(BU0[0]>BU1[0])Alert(name+" BUY TREND");
    else Alert(name+" SELL TREND");
   }   
//--- return value of prev_calculated for next call
   return(rates_total);
  }
//+------------------------------------------------------------------+
//----+
bool NewTime()  
 {
  static datetime time0 = -1;
  datetime time1 = TimeCurrent();  
  if(time1-time0>TimeSleep_Alert)
   {
    time0 = TimeCurrent();    
    return(true);
   }
  else return(false);
}
//----
string GetNameTF(int _TimeFrame=0) {
  if (_TimeFrame==0) _TimeFrame=Period();
  switch (_TimeFrame) {
    case PERIOD_M1:  return("M1");
    case PERIOD_M5:  return("M5");
    case PERIOD_M15: return("M15");
    case PERIOD_M30: return("M30");
    case PERIOD_H1:  return("H1");
    case PERIOD_H4:  return("H4");
    case PERIOD_D1:  return("Daily");
    case PERIOD_W1:  return("Weekly");
    case PERIOD_MN1: return("Monthly");
    default:         return("UnknownPeriod");
  }
}
//----+