#property strict

#include "String.mqh"

// https://www.mql5.com/ru/forum/317893/page3#comment_55114508
struct SYMBOL_BASE // pack(4)
{
  static const int DigitsCurrency;

  int SymbolID;

  STRING Symbol;

  double Point;
  int Digits;

  double TickValue;

  double TickSize;
/*
  double SwapLong;
  double SwapShort;

  double CommissionKoef;
*/
  void SetSymbol( string sSymb = NULL )
  {
    if (sSymb == NULL)
      sSymb = _Symbol;

    this.SymbolID = 0;
    this.Symbol = sSymb;

    this.Point = ::SymbolInfoDouble(sSymb, SYMBOL_POINT);
    this.Digits = (int)::SymbolInfoInteger(sSymb, SYMBOL_DIGITS);

    if (false) // Режим прибыли в валюте.
    {
      this.TickSize = ::SymbolInfoDouble(sSymb, SYMBOL_TRADE_TICK_SIZE);
      this.TickValue = ::SymbolInfoDouble(sSymb, SYMBOL_TRADE_TICK_VALUE);
    }
    else // Режим прибыли в пипсах.
    {
      this.TickSize = this.Point;
      this.TickValue = 1;
    }

    // https://www.mql5.com/ru/forum/282062/page80#comment_57515249
    if (!this.TickSize)
      this.TickSize = 1;

    this.TickValue /= this.TickSize;
/*
    this.SwapLong = ::SymbolInfoDouble(sSymb, SYMBOL_SWAP_LONG);
    this.SwapShort = ::SymbolInfoDouble(sSymb, SYMBOL_SWAP_SHORT);

    this.CommissionKoef = 0;
*/
    return;
  }

  void operator =( string sSymb )
  {
    this.SetSymbol(sSymb);

    return;
  }

  string GetSymbol( void ) const
  {
    return(this.Symbol.Get());
  }

  bool IsCorrect( void ) const
  {
    return((this.Point > 0) && (this.TickValue > 0) && (this.TickSize > 0));
  }
};

#ifdef ORDER_CURRENCY_DIGITS
  static const int SYMBOL_BASE::DigitsCurrency = ORDER_CURRENCY_DIGITS;
#else // #ifdef ORDER_CURRENCY_DIGITS
  #ifdef __MQL5__
    static const int SYMBOL_BASE::DigitsCurrency = (int)::AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS);
  #else // #ifdef __MQL5__
    static const int SYMBOL_BASE::DigitsCurrency = 2;
  #endif // #ifdef __MQL5__ #else
#endif // #ifdef ORDER_CURRENCY_DIGITS #else