//+------------------------------------------------------------------+
//|                                                    Stohastic.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://www.mql5.com"
#property version   "1.00"

//+------------------------------------------------------------------+
//| Объявление методов и свойства класса                             |
//+------------------------------------------------------------------+
class CStohastic
  {
private:
   int               InitHandle(string symbol, ENUM_TIMEFRAMES period, int periodK1, int periodD1, int slowing, ENUM_MA_METHOD stohasticMAmode, ENUM_STO_PRICE stohasticSTOprice);

public:
                     CStohastic();
                     CStohastic(string symbol, ENUM_TIMEFRAMES period, int periodK1, int periodD1, int slowing, int lowLimit, int upLimit, ENUM_MA_METHOD stohasticMAmode, ENUM_STO_PRICE stohasticSTOprice);
                    ~CStohastic();

   bool              IsLowLimit();
   bool              IsUpLimit();

   double            mainBuffer[];
   double            signalBuffer[];

   int               handle;
   int               lowLim;
   int               upLim;

   void              FillBuffer(int stohasticHadle);

  };
  
//+------------------------------------------------------------------+
//| Конструктор по умолчанию. Если не заданы параметры.              |
//+------------------------------------------------------------------+
CStohastic::CStohastic()
  {
   this.handle = InitHandle(_Symbol, PERIOD_CURRENT, 5, 3, 3, MODE_EMA, STO_LOWHIGH);
   this.lowLim = 20;
   this.upLim = 80;
  }
//+------------------------------------------------------------------+
//| Конструктор с параметрами                                        |
//+------------------------------------------------------------------+
CStohastic::CStohastic(string symbol, ENUM_TIMEFRAMES period, int periodK1, int periodD1, int slowing, int lowLimit, int upLimit, ENUM_MA_METHOD stohasticMAmode, ENUM_STO_PRICE stohasticSTOprice)
  {
   this.handle = InitHandle(symbol, period, periodK1, periodD1, slowing, stohasticMAmode, stohasticSTOprice);
   this.lowLim = lowLimit;
   this.upLim = upLimit;
  }
//+------------------------------------------------------------------+
//| Деструктор                                                       |
//+------------------------------------------------------------------+
CStohastic::~CStohastic()
  {
  }
//+------------------------------------------------------------------+


//0 - MAIN_LINE, 1 - SIGNAL_LINE.
//+------------------------------------------------------------------+
//| Инициализуем хэндл для стохастического осциллятора               |
//+------------------------------------------------------------------+
int CStohastic::InitHandle(string symbol, ENUM_TIMEFRAMES period, int periodK1, int periodD1, int slowing, ENUM_MA_METHOD stohasticMAmode, ENUM_STO_PRICE stohasticSTOprice)
  {
   int handleStohastic = iStochastic(symbol, period, periodK1, periodD1, slowing, stohasticMAmode, stohasticSTOprice);
   if(handleStohastic < 0)
     {
      Print("Ошибка при создании Stochastic - № ошибки: ", _LastError, "!!");
      return -1;
     }
   ChartIndicatorAdd(ChartID(), 1, handleStohastic);
   return handleStohastic;
  }
//+------------------------------------------------------------------+
//| Заполняем массив данных стохастического осциллятора             |
//+------------------------------------------------------------------+
void CStohastic::FillBuffer(int stohasticHadle)
  {
   ArraySetAsSeries(mainBuffer, true);
   ArraySetAsSeries(signalBuffer, true);
   ArrayResize(mainBuffer, 5);
   ArrayResize(signalBuffer,5);

   int St_main = CopyBuffer(stohasticHadle, 0, 0, 5, mainBuffer);
   int St_signal = CopyBuffer(stohasticHadle, 1, 0, 5, signalBuffer);

   if(St_main < 0 || St_signal < 0)
     {
      Print("Данные Stohastic_buffers не загрузились", _LastError);
      SendMail(_Symbol + "Ошибка загрузки данных индикатора Stohastic_buffers ", _Symbol + " Ошибка загрузки данных индикаторов");
      return;
     }
  }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
bool CStohastic::IsLowLimit()
  {
   if(mainBuffer[0] < lowLim)
      return true;
   return false;
  }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
bool CStohastic::IsUpLimit()
  {
   if(mainBuffer[0] > upLim)
      return true;
   return false;
  }