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//+------------------------------------------------------------------+
//|                                           Execution_Logger.mq5   |
//|                    Monitors and logs requotes and price changes  |
//+------------------------------------------------------------------+
#property copyright "PTScalper"
#property version   "1.00"
#property description "Background utility to log Requotes and Price Changes for support documentation."

//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {
   Print("Execution Logger initialized. Monitoring for requotes...");
   return(INIT_SUCCEEDED);
  }

//+------------------------------------------------------------------+
//| TradeTransaction function                                        |
//+------------------------------------------------------------------+
void OnTradeTransaction(const MqlTradeTransaction& trans,
                        const MqlTradeRequest& request,
                        const MqlTradeResult& result)
  {
   // We are only interested in rejected requests from the server
   if(trans.type == TRADE_TRANSACTION_REQUEST)
     {
      // 10004 = TRADE_RETCODE_REQUOTE
      // 10009 = TRADE_RETCODE_PRICE_CHANGED
      if(result.retcode == 10004 || result.retcode == 10009)
        {
         string timeStr = TimeToString(TimeCurrent(), TIME_DATE|TIME_SECONDS);
         string actionStr = (request.action == TRADE_ACTION_DEAL) ? "MARKET_ORDER" : "PENDING_ORDER";
         
         // Format the offered price based on standard Bid/Ask depending on order type
         double offeredPrice = (request.type == ORDER_TYPE_BUY) ? result.ask : result.bid;
         
         string logMsg = StringFormat("REQUOTE DETECTED | Time: %s | Symbol: %s | Type: %s | Req Price: %.*f | Offered: %.*f | Code: %d",
                                      timeStr, 
                                      request.symbol, 
                                      actionStr,
                                      _Digits, request.price, 
                                      _Digits, offeredPrice, 
                                      result.retcode);
                                      
         // Print to Journal (can be exported easily)
         Print(logMsg);
         
         // Optional: Write to a CSV file for easy attachment to support tickets
         int fileHandle = FileOpen("Requote_Log.csv", FILE_WRITE|FILE_READ|FILE_CSV|FILE_ANSI, ",");
         if(fileHandle != INVALID_HANDLE)
           {
            FileSeek(fileHandle, 0, SEEK_END);
            FileWrite(fileHandle, timeStr, request.symbol, actionStr, DoubleToString(request.price, _Digits), DoubleToString(offeredPrice, _Digits), IntegerToString(result.retcode));
            FileClose(fileHandle);
           }
        }
     }
  }