//+------------------------------------------------------------------+
//|                                      SymbolInfoDoubleChecker.mq5 |
//|                                  Copyright 2025, MetaQuotes Ltd. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, MetaQuotes Ltd."
#property link      "https://www.mql5.com"
#property version   "1.00"

#include <Trade\SymbolInfo.mqh>

//+------------------------------------------------------------------+
//| Script program start function                                    |
//+------------------------------------------------------------------+
void OnStart()
  {
   string symbol = _Symbol;
   CSymbolInfo m_symbol_info;

   if(!m_symbol_info.Name(symbol))
     {
      PrintFormat("Error: Failed to initialize CSymbolInfo for symbol '%s'. Error: %d", symbol, GetLastError());
      return;
     }

   Print("--- Symbol Property Checker Started ---");
   PrintFormat("Checking symbol: %s", symbol);
   Print("--- Double Properties (ENUM_SYMBOL_INFO_DOUBLE) ---");

   ENUM_SYMBOL_INFO_DOUBLE double_properties[] =
     {
      SYMBOL_BID,
      SYMBOL_BIDHIGH,
      SYMBOL_BIDLOW,
      SYMBOL_ASK,
      SYMBOL_ASKHIGH,
      SYMBOL_ASKLOW,
      SYMBOL_LAST,
      SYMBOL_LASTHIGH,
      SYMBOL_LASTLOW,
      SYMBOL_VOLUME_REAL,
      SYMBOL_VOLUMEHIGH_REAL,
      SYMBOL_VOLUMELOW_REAL,
      SYMBOL_OPTION_STRIKE,
      SYMBOL_POINT,
      SYMBOL_TRADE_TICK_VALUE,
      SYMBOL_TRADE_TICK_VALUE_PROFIT,
      SYMBOL_TRADE_TICK_VALUE_LOSS,
      SYMBOL_TRADE_TICK_SIZE,
      SYMBOL_TRADE_CONTRACT_SIZE,
      SYMBOL_TRADE_ACCRUED_INTEREST,
      SYMBOL_TRADE_FACE_VALUE,
      SYMBOL_TRADE_LIQUIDITY_RATE,
      SYMBOL_VOLUME_MIN,
      SYMBOL_VOLUME_MAX,
      SYMBOL_VOLUME_STEP,
      SYMBOL_VOLUME_LIMIT,
      SYMBOL_SWAP_LONG,
      SYMBOL_SWAP_SHORT,
      SYMBOL_SWAP_SUNDAY,
      SYMBOL_SWAP_MONDAY,
      SYMBOL_SWAP_TUESDAY,
      SYMBOL_SWAP_WEDNESDAY,
      SYMBOL_SWAP_THURSDAY,
      SYMBOL_SWAP_FRIDAY,
      SYMBOL_SWAP_SATURDAY,
      SYMBOL_MARGIN_INITIAL,
      SYMBOL_MARGIN_MAINTENANCE,
      SYMBOL_SESSION_VOLUME,
      SYMBOL_SESSION_TURNOVER,
      SYMBOL_SESSION_INTEREST,
      SYMBOL_SESSION_BUY_ORDERS_VOLUME,
      SYMBOL_SESSION_SELL_ORDERS_VOLUME,
      SYMBOL_SESSION_OPEN,
      SYMBOL_SESSION_CLOSE,
      SYMBOL_SESSION_AW,
      SYMBOL_SESSION_PRICE_SETTLEMENT,
      SYMBOL_SESSION_PRICE_LIMIT_MIN,
      SYMBOL_SESSION_PRICE_LIMIT_MAX,
      SYMBOL_MARGIN_HEDGED,
      SYMBOL_PRICE_CHANGE,
      SYMBOL_PRICE_VOLATILITY,
      SYMBOL_PRICE_THEORETICAL,
      SYMBOL_PRICE_DELTA,
      SYMBOL_PRICE_THETA,
      SYMBOL_PRICE_GAMMA,
      SYMBOL_PRICE_VEGA,
      SYMBOL_PRICE_RHO,
      SYMBOL_PRICE_OMEGA,
      SYMBOL_PRICE_SENSITIVITY
     };

   double value;
   string result_str;

   for(int i = 0; i < ArraySize(double_properties); i++)
     {
      ResetLastError();
      // Itt használjuk a CSymbolInfo objektum InfoDouble metódusát
      bool success = m_symbol_info.InfoDouble(double_properties[i], value);
      int error = GetLastError();

      if(success)
        {
         result_str = StringFormat("Property: %s, Status: SUPPORTED, Value: %.8f",
                                   EnumToString(double_properties[i]), value);
         Print(result_str);
        }
      else
        {
         result_str = StringFormat("Property: %s, Status: QUERY FAILED (Error: %d)",
                                   EnumToString(double_properties[i]), error);
         Print(result_str);
        }
     }
   Print("--- Check Completed ---");
  }
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+