//+------------------------------------------------------------------+
//|                                                VIDYA_RSI_Pro.mq5 |
//|                                          Copyright 2025, xxxxxxxx|
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, xxxxxxxx"
#property version   "2.00" // Refactored to use RSI Engine
#property description "VIDYA that uses RSI for volatility measurement. With selectable"
#property description "price source (Standard and Heikin Ashi)."

#property indicator_chart_window
#property indicator_buffers 1
#property indicator_plots   1
#property indicator_type1   DRAW_LINE
#property indicator_color1  clrMediumOrchid
#property indicator_style1  STYLE_SOLID
#property indicator_width1  1
#property indicator_label1  "VIDYA (RSI)"

#include <MyIncludes\VIDYA_RSI_Calculator.mqh>

input int                       InpPeriodRSI    = 14;
input int                       InpPeriodEMA    = 20;
input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice  = PRICE_CLOSE_STD;

double    BufferVIDYA[];
CVIDYARSICalculator *g_calculator;

//+------------------------------------------------------------------+
int OnInit()
  {
   SetIndexBuffer(0, BufferVIDYA, INDICATOR_DATA);
   ArraySetAsSeries(BufferVIDYA, false);

   if(InpSourcePrice <= PRICE_HA_CLOSE)
      g_calculator = new CVIDYARSICalculator_HA();
   else
      g_calculator = new CVIDYARSICalculator();

   if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpPeriodRSI, InpPeriodEMA))
     {
      Print("Failed to create or initialize VIDYA RSI Calculator object.");
      return(INIT_FAILED);
     }

   IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("VIDYA RSI%s(%d,%d)", (InpSourcePrice <= PRICE_HA_CLOSE ? " HA" : ""), InpPeriodRSI, InpPeriodEMA));
   PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, InpPeriodRSI + InpPeriodEMA);
   IndicatorSetInteger(INDICATOR_DIGITS, _Digits);

   return(INIT_SUCCEEDED);
  }

void OnDeinit(const int reason) { if(CheckPointer(g_calculator) != POINTER_INVALID) delete g_calculator; }

//+------------------------------------------------------------------+
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[])
  {
   if(CheckPointer(g_calculator) == POINTER_INVALID)
      return 0;

   ENUM_APPLIED_PRICE price_type;
   if(InpSourcePrice <= PRICE_HA_CLOSE)
      price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice);
   else
      price_type = (ENUM_APPLIED_PRICE)InpSourcePrice;

   g_calculator.Calculate(rates_total, prev_calculated, price_type, open, high, low, close, BufferVIDYA);

   return(rates_total);
  }
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+