//+------------------------------------------------------------------+
//|                                          GetLastPositionInfo.mq5 |
//|                                    Copyright 2024, Bourse90.com. |
//|                                         https://www.Bourse90.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2024, Bourse90.com."
#property link      "https://www.Bourse90.com"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {

 ENUM_POSITION_TYPE lastPositionType;
   double lastVolume, lastOpenPrice;

   if (GetLastPositionInfo(lastPositionType, lastVolume, lastOpenPrice,0)) {
      Print("Last Position Info:");
      Print("Type: ", EnumToString(lastPositionType));
      Print("Volume: ", lastVolume);
      Print("Open Price: ", lastOpenPrice);
   } else {
      Print("Failed to retrieve last position information.");
   }
   
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
//---
   
  }
//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
  {
//---
   
  }
//+------------------------------------------------------------------+

bool GetLastPositionInfo(ENUM_POSITION_TYPE &lastPositionType, double &lastVolume, double &lastOpenPrice,ulong InpMagicNumber=0) {
   // Initialize output variables to default values
   lastVolume = 0.0;
   lastOpenPrice = 0.0;

   // Get the total number of open positions
   int totalPositions = PositionsTotal();

   // Loop through all open positions in reverse order
   for (int i = totalPositions - 1; i >= 0; i--) {
      ulong ticket = PositionGetTicket(i); // Get the ticket of the position
      if (ticket == 0) {
         Print("Failed to retrieve position ticket at index ", i);
         return false; // Exit if ticket retrieval fails
      }

      if (!PositionSelectByTicket(ticket)) {
         Print("Failed to select position with ticket: ", ticket);
         return false; // Exit if position selection fails
      }

      long magicNumber;
      if (!PositionGetInteger(POSITION_MAGIC, magicNumber)) {
         Print("Failed to retrieve magic number for position with ticket: ", ticket);
         return false; // Exit if magic number retrieval fails
      }

      string symbol = PositionGetString(POSITION_SYMBOL); // Get the symbol of the position
      if (magicNumber == InpMagicNumber && symbol == _Symbol) {
         // Retrieve position type, volume, and open price
         lastPositionType = (ENUM_POSITION_TYPE)PositionGetInteger(POSITION_TYPE);
         lastVolume = PositionGetDouble(POSITION_VOLUME);
         lastOpenPrice = PositionGetDouble(POSITION_PRICE_OPEN);

         // Successfully found the desired position, exit the loop
         return true;
      }
   }

   // No matching position found
   Print("No matching position found with the specified magic number and symbol.");
   return false;
}