#property strict

//--- Bot Inputs
input double LotSize       = 0.01;
input int    TakeProfitPips = 150;
input int    StopLossPips  = 80;
input int    Lookback      = 14;       // Period for detecting high/low

//+------------------------------------------------------------------+
//| Expert initialization                                            |
//+------------------------------------------------------------------+
int OnInit()
{
   Print("SimpleAutoBot initialized successfully.");
   return(INIT_SUCCEEDED);
}

//+------------------------------------------------------------------+
//| Expert tick function — main trading logic                        |
//+------------------------------------------------------------------+
void OnTick()
{
   // Only one trade at a time
   if (PositionsTotal() > 0) return;

   double lowest = iLow(_Symbol, PERIOD_CURRENT, iLowest(_Symbol, PERIOD_CURRENT, MODE_LOW, Lookback, 1));
   double highest = iHigh(_Symbol, PERIOD_CURRENT, iHighest(_Symbol, PERIOD_CURRENT, MODE_HIGH, Lookback, 1));

   double bid = SymbolInfoDouble(_Symbol, SYMBOL_BID);
   double ask = SymbolInfoDouble(_Symbol, SYMBOL_ASK);

   //--- BUY LOGIC: Price touches recent LOW
   if (bid <= lowest)
   {
      OpenOrder(ORDER_TYPE_BUY, LotSize, ask);
   }

   //--- SELL LOGIC: Price touches recent HIGH
   if (ask >= highest)
   {
      OpenOrder(ORDER_TYPE_SELL, LotSize, bid);
   }
}

//+------------------------------------------------------------------+
//| Function to place orders                                         |
//+------------------------------------------------------------------+
void OpenOrder(ENUM_ORDER_TYPE type, double lots, double price)
{
   double sl, tp;
   double point = _Point;
   double pip = point * 10;

   if (type == ORDER_TYPE_BUY)
   {
      sl = price - StopLossPips * pip;
      tp = price + TakeProfitPips * pip;
   }
   else
   {
      sl = price + StopLossPips * pip;
      tp = price - TakeProfitPips * pip;
   }

   MqlTradeRequest request;
   MqlTradeResult  result;

   ZeroMemory(request);
   ZeroMemory(result);

   request.action   = TRADE_ACTION_DEAL;
   request.symbol   = _Symbol;
   request.volume   = lots;
   request.type     = type;
   request.price    = price;
   request.sl       = sl;
   request.tp       = tp;
   request.deviation = 10;

   OrderSend(request, result);

   if (result.retcode == 10009 || result.retcode == 10008)
      Print("Trade opened: ", type == ORDER_TYPE_BUY ? "BUY" : "SELL");
   else
      Print("Failed to open trade. Error: ", result.retcode);
}