mql5/Experts/Advisors/Modules/Utilities.mqh

//+------------------------------------------------------------------+
//|                        Utilities.mqh                             |
//|                    Utility Functions Module 2.2                  |
//|                Fixed: Backtest compatibility                     |
//+------------------------------------------------------------------+
#ifndef UTILITIES_MQH
#define UTILITIES_MQH

#include "DataTypes.mqh"
#include <Files/FileTxt.mqh>

//+------------------------------------------------------------------+
//| Utilities Class                                                  |
//+------------------------------------------------------------------+
class CUtilities
{
private:
   //--- Configuration
   ENUM_LOG_LEVEL       m_log_level;
   string               m_log_filename;
   string               m_report_filename;
   bool                 m_is_testing;     // Add flag for testing mode
   
   //--- File handles
   int                  m_log_handle;
   
   //--- News calendar (simplified)
   datetime             m_news_times[];
   string               m_news_impacts[];
   int                  m_news_count;
   
   //--- Helper methods
   string               GetTimeString(datetime time);
   string               GetLogPrefix(ENUM_LOG_LEVEL level);
   void                 WriteToFile(string filename, string text);
   
public:
                        CUtilities();
                       ~CUtilities();
   
   //--- Initialization
   bool                 Initialize(ENUM_LOG_LEVEL log_level);
   
   //--- Logging
   void                 Log(ENUM_LOG_LEVEL level, string message);
   void                 LogTrade(const ManagedTrade &trade, string action);
   void                 LogError(string function, int error_code);
   
   //--- Reporting
   void                 GenerateReport(const PerformanceMetrics &performance, 
                                     const ManagedTrade &trades[]);
   void                 SaveTradeHistory(const ManagedTrade &trade);
   void                 ExportPerformanceCSV(const PerformanceMetrics &performance);
   
   //--- Time functions
   bool                 IsNewsTime(int buffer_minutes = 30);
   bool                 IsTradingHours();
   bool                 IsMarketClosed();
   string               GetDayOfWeek();
   
   //--- Formatting
   string               FormatCurrency(double value, string currency = "USD");
   string               FormatPercent(double value, int digits = 2);
   string               FormatPips(double points);
   string               FormatDuration(int seconds);
   
   //--- Calculations
   double               CalculatePips(double price_difference);
   double               CalculatePositionCommission(double volume);
   double               CalculateSwap(const ManagedTrade &trade);
   double               CalculatePositionCommission(ulong position_ticket);
   
   //--- System functions
   string               GetUninitReasonText(int reason);
   bool                 CheckTerminalConnection();
   bool                 CheckAutoTrading();
   void                 SendNotification(string message, bool email = true, 
                                       bool push = true, bool alert = true);
   
   //--- File operations
   bool                 SaveSettings(string filename);
   bool                 LoadSettings(string filename);
   void                 BackupData();
   
   //--- Market helpers
   double               NormalizeLots(double lots);
   double               NormalizePrice(double price);
   bool                 IsNewBar(ENUM_TIMEFRAMES timeframe = PERIOD_CURRENT);
   double               GetSpreadInPips();
};

//+------------------------------------------------------------------+
//| Constructor                                                      |
//+------------------------------------------------------------------+
CUtilities::CUtilities()
{
   m_log_level = LOG_INFO;
   m_log_filename = "RiskManager_Log.txt";
   m_report_filename = "RiskManager_Report.txt";
   m_log_handle = INVALID_HANDLE;
   m_news_count = 0;
   m_is_testing = false;
}

//+------------------------------------------------------------------+
//| Destructor                                                       |
//+------------------------------------------------------------------+
CUtilities::~CUtilities()
{
   if(m_log_handle != INVALID_HANDLE)
      FileClose(m_log_handle);
}

//+------------------------------------------------------------------+
//| Initialize utilities                                             |
//+------------------------------------------------------------------+
bool CUtilities::Initialize(ENUM_LOG_LEVEL log_level)
{
   m_log_level = log_level;
   
   //--- Check if we're in testing mode
   m_is_testing = MQLInfoInteger(MQL_TESTER);
   
   //--- Only create log file if NOT in testing mode
   if(!m_is_testing)
   {
      m_log_handle = FileOpen(m_log_filename, FILE_WRITE|FILE_TXT|FILE_ANSI);
      if(m_log_handle == INVALID_HANDLE)
      {
         Print("Utilities: Failed to create log file");
         // Don't fail initialization, just disable file logging
         m_log_handle = INVALID_HANDLE;
      }
      else
      {
         //--- Write header
         string header = "=== Risk Management Overlay v6.6 Log ===\n";
         header += "Started: " + TimeToString(TimeCurrent()) + "\n";
         header += "Symbol: " + _Symbol + "\n";
         header += "Period: " + EnumToString((ENUM_TIMEFRAMES)_Period) + "\n";
         header += "=========================================\n";
         
         FileWrite(m_log_handle, header);
         FileFlush(m_log_handle);
      }
   }
   
   //--- Load news calendar (would normally load from file/API)
   // Simplified example - add some dummy news times
   ArrayResize(m_news_times, 5);
   ArrayResize(m_news_impacts, 5);
   m_news_count = 0;
   
   Print("Utilities initialized: Testing=", m_is_testing, ", LogLevel=", EnumToString(log_level));
   return true;
}

//+------------------------------------------------------------------+
//| Log message                                                      |
//+------------------------------------------------------------------+
void CUtilities::Log(ENUM_LOG_LEVEL level, string message)
{
   if(level > m_log_level) return;
   
   string log_entry = GetTimeString(TimeCurrent()) + " " + 
                     GetLogPrefix(level) + " " + message;
   
   //--- Always print to terminal in testing mode or for important messages
   if(m_is_testing || level <= LOG_WARNING)
      Print(log_entry);
      
   //--- Write to file only if not testing and file is open
   if(!m_is_testing && m_log_handle != INVALID_HANDLE)
   {
      FileWrite(m_log_handle, log_entry);
      FileFlush(m_log_handle);
   }
}

//+------------------------------------------------------------------+
//| Generate performance report                                       |
//+------------------------------------------------------------------+
void CUtilities::GenerateReport(const PerformanceMetrics &performance, 
                              const ManagedTrade &trades[])
{
   string report = "\n=== PERFORMANCE REPORT ===\n";
   report += "Generated: " + TimeToString(TimeCurrent()) + "\n\n";
   
   //--- Account Summary
   report += "ACCOUNT SUMMARY\n";
   report += "---------------\n";
   report += "Starting Balance: " + FormatCurrency(AccountInfoDouble(ACCOUNT_BALANCE) - performance.net_profit) + "\n";
   report += "Current Balance: " + FormatCurrency(AccountInfoDouble(ACCOUNT_BALANCE)) + "\n";
   report += "Net Profit: " + FormatCurrency(performance.net_profit) + " (" + 
             FormatPercent(performance.net_profit / (AccountInfoDouble(ACCOUNT_BALANCE) - performance.net_profit) * 100) + ")\n";
   report += "Current Equity: " + FormatCurrency(AccountInfoDouble(ACCOUNT_EQUITY)) + "\n\n";
   
   //--- Trading Statistics
   report += "TRADING STATISTICS\n";
   report += "-----------------\n";
   report += "Total Trades: " + IntegerToString(performance.total_trades) + "\n";
   report += "Winning Trades: " + IntegerToString(performance.winning_trades) + " (" + 
             FormatPercent(performance.win_rate) + ")\n";
   report += "Losing Trades: " + IntegerToString(performance.losing_trades) + "\n";
   report += "Gross Profit: " + FormatCurrency(performance.gross_profit) + "\n";
   report += "Gross Loss: " + FormatCurrency(performance.gross_loss) + "\n";
   report += "Profit Factor: " + DoubleToString(performance.profit_factor, 2) + "\n";
   report += "Expectancy: " + FormatCurrency(performance.expectancy) + "\n\n";
   
   //--- Risk Metrics
   report += "RISK METRICS\n";
   report += "------------\n";
   report += "Max Drawdown: " + FormatCurrency(performance.max_drawdown_amount) + 
             " (" + FormatPercent(performance.max_drawdown_percent) + ")\n";
   report += "Sharpe Ratio: " + DoubleToString(performance.sharpe_ratio, 2) + "\n";
   report += "Sortino Ratio: " + DoubleToString(performance.sortino_ratio, 2) + "\n";
   report += "Calmar Ratio: " + DoubleToString(performance.calmar_ratio, 2) + "\n";
   report += "Recovery Factor: " + DoubleToString(performance.recovery_factor, 2) + "\n\n";
   
   //--- Consecutive Stats
   report += "CONSECUTIVE STATISTICS\n";
   report += "--------------------\n";
   report += "Current Consecutive Wins: " + IntegerToString(performance.consecutive_wins) + "\n";
   report += "Current Consecutive Losses: " + IntegerToString(performance.consecutive_losses) + "\n";
   report += "Max Consecutive Wins: " + IntegerToString(performance.max_consecutive_wins) + "\n";
   report += "Max Consecutive Losses: " + IntegerToString(performance.max_consecutive_losses) + "\n\n";
   
   //--- Active Trades
   if(ArraySize(trades) > 0)
   {
      report += "ACTIVE TRADES\n";
      report += "-------------\n";
      for(int i = 0; i < ArraySize(trades); i++)
      {
         report += StringFormat("#%d %s %.2f @ %.5f | P/L: %s (%.2fR) | %s\n",
                              trades[i].ticket,
                              (trades[i].type == POSITION_TYPE_BUY) ? "BUY" : "SELL",
                              trades[i].volume,
                              trades[i].open_price,
                              FormatCurrency(trades[i].profit),
                              trades[i].r_multiple,
                              trades[i].entry_reason);
      }
   }
   
   report += "\n========================\n";
   
   //--- In testing mode, just print the report
   if(m_is_testing)
   {
      Print(report);
   }
   else
   {
      //--- Save to file only if not testing
      WriteToFile(m_report_filename, report);
   }
   
   //--- Also log summary
   Log(LOG_INFO, "Performance report generated");
}

//+------------------------------------------------------------------+
//| Write to file                                                    |
//+------------------------------------------------------------------+
void CUtilities::WriteToFile(string filename, string text)
{
   //--- Skip file operations in testing mode
   if(m_is_testing)
      return;
      
   int handle = FileOpen(filename, FILE_WRITE|FILE_TXT|FILE_ANSI);
   if(handle != INVALID_HANDLE)
   {
      FileWrite(handle, text);
      FileClose(handle);
   }
}

//+------------------------------------------------------------------+
//| Save trade history                                               |
//+------------------------------------------------------------------+
void CUtilities::SaveTradeHistory(const ManagedTrade &trade)
{
   //--- Skip file operations in testing mode
   if(m_is_testing)
   {
      //--- Just log the trade details instead
      string trade_info = StringFormat("Trade Closed: #%d %s %.2f lots, P/L: %.2f, R: %.2f",
                                     trade.ticket,
                                     (trade.type == POSITION_TYPE_BUY) ? "BUY" : "SELL",
                                     trade.volume,
                                     trade.profit,
                                     trade.r_multiple);
      Log(LOG_INFO, trade_info);
      return;
   }
   
   string filename = "TradeHistory_" + _Symbol + ".csv";
   
   //--- Check if file exists to write header
   bool file_exists = FileIsExist(filename);
   
   int handle = FileOpen(filename, FILE_WRITE|FILE_CSV|FILE_ANSI|FILE_SHARE_READ, ',');
   if(handle == INVALID_HANDLE) return;
   
   //--- Write header if new file
   if(!file_exists)
   {
      FileWrite(handle, "Ticket", "Symbol", "Type", "OpenTime", "CloseTime",
                "OpenPrice", "ClosePrice", "Volume", "Profit", "Commission",
                "Swap", "RMultiple", "MAE", "MFE", "EntryReason");
   }
   
   //--- Move to end of file
   FileSeek(handle, 0, SEEK_END);
   
   //--- Write trade data
   FileWrite(handle, 
            trade.ticket,
            trade.symbol,
            (trade.type == POSITION_TYPE_BUY) ? "BUY" : "SELL",
            trade.open_time,
            TimeCurrent(),
            trade.open_price,
            SymbolInfoDouble(_Symbol, SYMBOL_BID),
            trade.volume,
            trade.profit,
            trade.commission,
            trade.swap,
            trade.r_multiple,
            trade.mae,
            trade.mfe,
            trade.entry_reason);
            
   FileClose(handle);
}

//+------------------------------------------------------------------+
//| Export performance to CSV                                        |
//+------------------------------------------------------------------+
void CUtilities::ExportPerformanceCSV(const PerformanceMetrics &performance)
{
   //--- Skip file operations in testing mode
   if(m_is_testing)
      return;
      
   string filename = "Performance_" + _Symbol + "_" + 
                    TimeToString(TimeCurrent(), TIME_DATE) + ".csv";
   StringReplace(filename, ".", "_");
   
   int handle = FileOpen(filename, FILE_WRITE|FILE_CSV|FILE_ANSI, ',');
   if(handle == INVALID_HANDLE) return;
   
   //--- Write header
   FileWrite(handle, "Metric", "Value");
   
   //--- Write metrics
   FileWrite(handle, "Total Trades", performance.total_trades);
   FileWrite(handle, "Winning Trades", performance.winning_trades);
   FileWrite(handle, "Losing Trades", performance.losing_trades);
   FileWrite(handle, "Win Rate %", performance.win_rate);
   FileWrite(handle, "Gross Profit", performance.gross_profit);
   FileWrite(handle, "Gross Loss", performance.gross_loss);
   FileWrite(handle, "Net Profit", performance.net_profit);
   FileWrite(handle, "Profit Factor", performance.profit_factor);
   FileWrite(handle, "Expectancy", performance.expectancy);
   FileWrite(handle, "Average Win", performance.avg_win);
   FileWrite(handle, "Average Loss", performance.avg_loss);
   FileWrite(handle, "Max Drawdown %", performance.max_drawdown_percent);
   FileWrite(handle, "Max Drawdown Amount", performance.max_drawdown_amount);
   FileWrite(handle, "Sharpe Ratio", performance.sharpe_ratio);
   FileWrite(handle, "Sortino Ratio", performance.sortino_ratio);
   FileWrite(handle, "Calmar Ratio", performance.calmar_ratio);
   FileWrite(handle, "Max Consecutive Wins", performance.max_consecutive_wins);
   FileWrite(handle, "Max Consecutive Losses", performance.max_consecutive_losses);
   
   FileClose(handle);
   
   Log(LOG_INFO, "Performance exported to " + filename);
}

//+------------------------------------------------------------------+
//| Backup important data                                            |
//+------------------------------------------------------------------+
void CUtilities::BackupData()
{
   //--- Skip file operations in testing mode
   if(m_is_testing)
      return;
      
   //--- Create backup filename with timestamp
   string timestamp = TimeToString(TimeCurrent(), TIME_DATE);
   StringReplace(timestamp, ".", "_");
   
   string backup_dir = "Backups\\" + timestamp + "\\";
   
   //--- Copy important files
   if(FileIsExist(m_log_filename))
      FileCopy(m_log_filename, 0, backup_dir + m_log_filename, FILE_REWRITE);
      
   if(FileIsExist(m_report_filename))
      FileCopy(m_report_filename, 0, backup_dir + m_report_filename, FILE_REWRITE);
      
   Log(LOG_INFO, "Data backed up to " + backup_dir);
}

// ... [Rest of the functions remain the same]

//+------------------------------------------------------------------+
//| Log trade action                                                 |
//+------------------------------------------------------------------+
void CUtilities::LogTrade(const ManagedTrade &trade, string action)
{
   string message = StringFormat("Trade #%d %s: %s %.2f lots at %.5f, P/L: %s",
                               trade.ticket, action, 
                               (trade.type == POSITION_TYPE_BUY) ? "BUY" : "SELL",
                               trade.volume, trade.open_price,
                               FormatCurrency(trade.profit));
                               
   Log(LOG_INFO, message);
}

//+------------------------------------------------------------------+
//| Log error                                                        |
//+------------------------------------------------------------------+
void CUtilities::LogError(string function, int error_code)
{
   string message = StringFormat("Error in %s: %d - %s", 
                               function, error_code, GetLastError());
   Log(LOG_ERROR, message);
}

//+------------------------------------------------------------------+
//| Check if news time                                               |
//+------------------------------------------------------------------+
bool CUtilities::IsNewsTime(int buffer_minutes)
{
   datetime current_time = TimeCurrent();
   
   for(int i = 0; i < m_news_count; i++)
   {
      if(MathAbs((double)(current_time - m_news_times[i])) < buffer_minutes * 60)
      {
         if(m_news_impacts[i] == "HIGH")
            return true;
      }
   }
   
   return false;
}

//+------------------------------------------------------------------+
//| Check if within trading hours                                    |
//+------------------------------------------------------------------+
bool CUtilities::IsTradingHours()
{
   MqlDateTime time;
   TimeCurrent(time);
   
   //--- Skip weekends
   if(time.day_of_week == 0 || time.day_of_week == 6)
      return false;
      
   //--- Skip Friday after 20:00
   if(time.day_of_week == 5 && time.hour >= 20)
      return false;
      
   //--- Skip Sunday before 22:00
   if(time.day_of_week == 0 && time.hour < 22)
      return false;
      
   return true;
}

//+------------------------------------------------------------------+
//| Check if market is closed                                        |
//+------------------------------------------------------------------+
bool CUtilities::IsMarketClosed()
{
   //--- Check if we're getting price updates
   static datetime last_tick_time = 0;
   datetime current_tick_time = (datetime)SymbolInfoInteger(_Symbol, SYMBOL_TIME);
   
   if(current_tick_time == last_tick_time && 
      TimeCurrent() - current_tick_time > 120) // No tick for 2 minutes
   {
      return true;
   }
   
   last_tick_time = current_tick_time;
   return false;
}

//+------------------------------------------------------------------+
//| Format currency value                                            |
//+------------------------------------------------------------------+
string CUtilities::FormatCurrency(double value, string currency)
{
   string sign = value >= 0 ? "" : "-";
   string formatted = sign + currency + " " + DoubleToString(MathAbs(value), 2);
   return formatted;
}

//+------------------------------------------------------------------+
//| Format percentage                                                |
//+------------------------------------------------------------------+
string CUtilities::FormatPercent(double value, int digits)
{
   return DoubleToString(value, digits) + "%";
}

//+------------------------------------------------------------------+
//| Format pips                                                      |
//+------------------------------------------------------------------+
string CUtilities::FormatPips(double points)
{
   double pips = CalculatePips(points);
   return DoubleToString(pips, 1) + " pips";
}

//+------------------------------------------------------------------+
//| Calculate pips from points                                       |
//+------------------------------------------------------------------+
double CUtilities::CalculatePips(double price_difference)
{
   double point = SymbolInfoDouble(_Symbol, SYMBOL_POINT);
   int digits = (int)SymbolInfoInteger(_Symbol, SYMBOL_DIGITS);
   
   double pip_value = (digits == 3 || digits == 5) ? point * 10 : point;
   
   return price_difference / pip_value;
}

//+------------------------------------------------------------------+
//| Get spread in pips                                              |
//+------------------------------------------------------------------+
double CUtilities::GetSpreadInPips()
{
   double spread_points = SymbolInfoInteger(_Symbol, SYMBOL_SPREAD) * 
                         SymbolInfoDouble(_Symbol, SYMBOL_POINT);
   return CalculatePips(spread_points);
}

//+------------------------------------------------------------------+
//| Send notification                                                |
//+------------------------------------------------------------------+
void CUtilities::SendNotification(string message, bool email, bool push, bool alert)
{
   if(alert)
      Alert(message);
      
   if(email && TerminalInfoInteger(TERMINAL_EMAIL_ENABLED))
      SendMail("Risk Management Alert", message);
      
   if(push && TerminalInfoInteger(TERMINAL_NOTIFICATIONS_ENABLED))
      SendNotification(message);
      
   Log(LOG_INFO, "Notification sent: " + message);
}

//+------------------------------------------------------------------+
//| Get time string                                                  |
//+------------------------------------------------------------------+
string CUtilities::GetTimeString(datetime time)
{
   return TimeToString(time, TIME_DATE|TIME_MINUTES|TIME_SECONDS);
}

//+------------------------------------------------------------------+
//| Get log prefix                                                  |
//+------------------------------------------------------------------+
string CUtilities::GetLogPrefix(ENUM_LOG_LEVEL level)
{
   switch(level)
   {
      case LOG_ERROR:   return "[ERROR]";
      case LOG_WARNING: return "[WARN ]";
      case LOG_INFO:    return "[INFO ]";
      case LOG_DEBUG:   return "[DEBUG]";
      default:          return "[?????]";
   }
}

//+------------------------------------------------------------------+
//| Get uninit reason text                                           |
//+------------------------------------------------------------------+
string CUtilities::GetUninitReasonText(int reason)
{
   switch(reason)
   {
      case REASON_PROGRAM:     return "Program terminated";
      case REASON_REMOVE:      return "Program removed from chart";
      case REASON_RECOMPILE:   return "Program recompiled";
      case REASON_CHARTCHANGE: return "Symbol or timeframe changed";
      case REASON_CHARTCLOSE:  return "Chart closed";
      case REASON_PARAMETERS:  return "Input parameters changed";
      case REASON_ACCOUNT:     return "Account changed";
      case REASON_TEMPLATE:    return "New template applied";
      case REASON_INITFAILED:  return "OnInit() failed";
      case REASON_CLOSE:       return "Terminal closed";
      default:                 return "Unknown reason";
   }
}

//+------------------------------------------------------------------+
//| Normalize lot size                                               |
//+------------------------------------------------------------------+
double CUtilities::NormalizeLots(double lots)
{
   double min_lot = SymbolInfoDouble(_Symbol, SYMBOL_VOLUME_MIN);
   double max_lot = SymbolInfoDouble(_Symbol, SYMBOL_VOLUME_MAX);
   double lot_step = SymbolInfoDouble(_Symbol, SYMBOL_VOLUME_STEP);
   
   //--- Normalize to lot step
   lots = MathRound(lots / lot_step) * lot_step;
   
   //--- Apply limits
   lots = MathMax(lots, min_lot);
   lots = MathMin(lots, max_lot);
   
   return NormalizeDouble(lots, 2);
}

//+------------------------------------------------------------------+
//| Normalize price                                                  |
//+------------------------------------------------------------------+
double CUtilities::NormalizePrice(double price)
{
   int digits = (int)SymbolInfoInteger(_Symbol, SYMBOL_DIGITS);
   return NormalizeDouble(price, digits);
}

//+------------------------------------------------------------------+
//| Check for new bar                                                |
//+------------------------------------------------------------------+
bool CUtilities::IsNewBar(ENUM_TIMEFRAMES timeframe)
{
   static datetime last_bar_time = 0;
   datetime current_bar_time = iTime(_Symbol, timeframe, 0);
   
   if(current_bar_time != last_bar_time)
   {
      last_bar_time = current_bar_time;
      return true;
   }
   
   return false;
}

//+------------------------------------------------------------------+
//| Check terminal connection                                        |
//+------------------------------------------------------------------+
bool CUtilities::CheckTerminalConnection()
{
   if(!TerminalInfoInteger(TERMINAL_CONNECTED))
   {
      Log(LOG_ERROR, "Terminal not connected to broker");
      return false;
   }
   
   if(IsMarketClosed())
   {
      Log(LOG_WARNING, "Market appears to be closed");
      return false;
   }
   
   return true;
}

//+------------------------------------------------------------------+
//| Check auto trading                                               |
//+------------------------------------------------------------------+
bool CUtilities::CheckAutoTrading()
{
   if(!TerminalInfoInteger(TERMINAL_TRADE_ALLOWED))
   {
      Log(LOG_ERROR, "Auto trading not allowed in terminal");
      return false;
   }
   
   if(!MQLInfoInteger(MQL_TRADE_ALLOWED))
   {
      Log(LOG_ERROR, "Auto trading not allowed for this EA");
      return false;
   }
   
   if(!AccountInfoInteger(ACCOUNT_TRADE_EXPERT))
   {
      Log(LOG_ERROR, "Auto trading not allowed for this account");
      return false;
   }
   
   return true;
}

//+------------------------------------------------------------------+
//| Calculate commission for a position from deal history            |
//+------------------------------------------------------------------+
double CUtilities::CalculatePositionCommission(ulong position_ticket)
{
   double total_commission = 0;
   
   // Select position to get its ID
   if(!PositionSelectByTicket(position_ticket))
      return 0;
      
   long position_id = PositionGetInteger(POSITION_IDENTIFIER);
   
   // Iterate through history deals
   if(HistorySelectByPosition(position_id))
   {
      int deals = HistoryDealsTotal();
      for(int i = 0; i < deals; i++)
      {
         ulong deal_ticket = HistoryDealGetTicket(i);
         if(deal_ticket > 0)
         {
            total_commission += HistoryDealGetDouble(deal_ticket, DEAL_COMMISSION);
         }
      }
   }
   
   return total_commission;
}

//+------------------------------------------------------------------+
//| Format duration                                                  |
//+------------------------------------------------------------------+
string CUtilities::FormatDuration(int seconds)
{
   int days = seconds / 86400;
   int hours = (seconds % 86400) / 3600;
   int minutes = (seconds % 3600) / 60;
   
   string result = "";
   if(days > 0) result += IntegerToString(days) + "d ";
   if(hours > 0) result += IntegerToString(hours) + "h ";
   if(minutes > 0) result += IntegerToString(minutes) + "m";
   
   return result;
}

//+------------------------------------------------------------------+
//| Get day of week string                                           |
//+------------------------------------------------------------------+
string CUtilities::GetDayOfWeek()
{
   MqlDateTime time;
   TimeCurrent(time);
   
   string days[] = {"Sunday", "Monday", "Tuesday", "Wednesday", 
                   "Thursday", "Friday", "Saturday"};
                   
   return days[time.day_of_week];
}

#endif // UTILITIES_MQH
//+------------------------------------------------------------------+