//+------------------------------------------------------------------+
//|                                   atr_momentum_indicator_mt4.mq4 |
//|                                  Copyright 2025, MQL Development |
//|                                  https://www.mqldevelopment.com/ |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, MQL Development"
#property link      "https://www.mqldevelopment.com/"
#property version   "1.00"
#property strict
#property indicator_separate_window
#property  indicator_buffers 3
#property  indicator_minimum 0.0
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+

input       string                string_1              = "<><><><><><> General SETTINGS <><><><><><>";   //__
input       double                threshold             = 10.0;          // Threshold Value

sinput      string                atrSettings           = " <><><><><>  Atr Settings <><><><><>  "; //_
input       int                   atrPeriod             = 14;            // ATR Period

input       string                string_2_2            = "<><><><><><> Color Setting <><><><><><>";   //__
input       color                 atr_line_color        = clrAqua;                 // Atr Line Color
input       color                 signal_color          = clrLimeGreen;            // Signal Color
input       color                 no_signal_color       = clrSlateGray;            // No Signal Color

// Global Variables
double         atrPercentageBuffer[];
double         signalBuffer[];
double         noSignalBuffer[];
string short_name="";
int OnInit()
  {
//--- indicator buffers mapping
   SetIndexBuffer(0, atrPercentageBuffer);
   SetIndexBuffer(1, signalBuffer);
   SetIndexBuffer(2, noSignalBuffer);

//--- Set buffer names
   SetIndexLabel(0, "Atr %");
   SetIndexLabel(1, "Above threshold");
   SetIndexLabel(2, "Below threshold");

   SetIndexStyle(0, DRAW_LINE, STYLE_SOLID, 2, atr_line_color);
   SetIndexStyle(1, DRAW_HISTOGRAM, STYLE_SOLID, 4, signal_color);
   SetIndexStyle(2, DRAW_HISTOGRAM, STYLE_SOLID, 4, no_signal_color);

   short_name = "atr_momentum_indicator_mt4";
   IndicatorShortName(short_name);
//---
   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 i, Counted_bars;
   Counted_bars=IndicatorCounted(); // Number of counted bars
   if(prev_calculated == 0)
      i=Bars-Counted_bars-10;
   else
      i=Bars-Counted_bars-1;

   while(i >= 0)
     {
      double atrValueIs =  atrValue(i);

      double candle_0 = iClose(Symbol(), PERIOD_CURRENT, i);
      double candle_1 = iClose(Symbol(), PERIOD_CURRENT, i + 1);
      double candle_2 = iClose(Symbol(), PERIOD_CURRENT, i + 2);

      double candle_percentage_0 = atrPercentageValue(i);
      double candle_percentage_1 = atrPercentageValue(i + 1);
      double candle_percentage_2 = atrPercentageValue(i + 2);

      double value_1 = 0, value_2 = 0, value_3 = 0;

      if(candle_percentage_0 != 0 && candle_percentage_1 != 0 && candle_percentage_2 != 0)
        {
         value_1 = (((candle_percentage_1 - candle_percentage_2) / candle_percentage_2) * 100);
         value_2 = (((candle_percentage_0 - candle_percentage_1) / candle_percentage_1) * 100);
         value_3 = (((candle_percentage_0 - candle_percentage_2) / candle_percentage_2) * 100);
        }
      double totalSum = value_1 + value_2 + value_3;

      atrPercentageBuffer[i] = ((atrValueIs / candle_1) * 100);
      //Print(" atrValueIs: ",atrValueIs," candle_1: ",candle_1," final: ",atrPercentageBuffer[i]);
      atrPercentageBuffer[i] = atrPercentageBuffer[i] * 100;

      if(totalSum > threshold)
        {
         signalBuffer[i] = totalSum;
         noSignalBuffer[i] = 0;
        }
      else
        {
         noSignalBuffer[i] = totalSum;
         signalBuffer[i] = 0;
        }

      //Print("Time Current Candle: ", iClose(Symbol(), PERIOD_CURRENT,0),
      //      " | Time Candle 1: ", iClose(Symbol(), PERIOD_CURRENT, 0 + 1),
      //      " | Time Candle 2: ", iClose(Symbol(), PERIOD_CURRENT, 0 + 2),
      //      " | ATR Value: ", atrValueIs,
      //      " | value_1: ", value_1,
      //      " | value_2: ", value_2,
      //      " | value_3: ", value_3,
      //      " | Sum: ", NormalizeDouble(totalSum, Digits()),
      //      " | i: ", i);

      i--;
     }
//--- return value of prev_calculated for next call
   return(rates_total);
  }
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double atrValue(int index)
  {
   return NormalizeDouble(iATR(Symbol(), PERIOD_CURRENT, atrPeriod, index), Digits());
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double atrPercentageValue(int index)
  {
// Print(" Atr Percentage: ", (iATR(Symbol(), PERIOD_CURRENT, atrPeriod, index) / iClose(Symbol(), PERIOD_CURRENT, index)) * 100, " i: ", index);
   return (iATR(Symbol(), PERIOD_CURRENT, atrPeriod, index) / iClose(Symbol(), PERIOD_CURRENT, index + 1)) * 100;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+

//+------------------------------------------------------------------+