//+------------------------------------------------------------------+
//|                                                                  |
//|  In no event will author be liable for any damages whatsoever.   |
//|                      Use at your own risk.                       |
//|                                                                  |
//+------------------- DO NOT REMOVE THIS HEADER --------------------+

#define SIGNAL_NONE 0
#define SIGNAL_BUY   1
#define SIGNAL_SELL  2
#define SIGNAL_CLOSEBUY 3
#define SIGNAL_CLOSESELL 4

extern int MagicNumber = 0;
extern double Lots = 0.01;
extern double PiPBuffer = 5;

int BarCount;
int Current;

//+------------------------------------------------------------------+
//| expert initialization function                                   |
//+------------------------------------------------------------------+
int init() {
   BarCount = Bars;



   return(0);
}
//+------------------------------------------------------------------+
//| expert deinitialization function                                 |
//+------------------------------------------------------------------+
int deinit() {
   return(0);
}
//+------------------------------------------------------------------+
//| expert start function                                            |
//+------------------------------------------------------------------+
int start() {
   int Order = SIGNAL_NONE;
   int Total, Ticket;
   double Buffer;



   Buffer = PiPBuffer*0.0001;
   Total = OrdersTotal();


   //+------------------------------------------------------------------+
   //| Variable Begin                                                   |
   //+------------------------------------------------------------------+

double CurrentClose = iClose(NULL, 0, Current + 0);
double PreviousClose = iClose(NULL, 0, Current + 1);
   
   //+------------------------------------------------------------------+
   //| Variable End                                                     |
   //+------------------------------------------------------------------+

   bool IsTrade = False;

   for (int i = 0; i < Total; i ++) {
      OrderSelect(i, SELECT_BY_POS, MODE_TRADES);
      if(OrderType() <= OP_SELL &&  OrderSymbol() == Symbol()) {
         IsTrade = True;
         if(OrderType() == OP_BUY) {
            //Close

            if (CurrentClose < (PreviousClose - Buffer)){
               OrderClose(OrderTicket(), OrderLots(), Bid, 0, MediumSeaGreen);
               IsTrade = False;
               continue;
            }

            
         } else {


            if (CurrentClose > (PreviousClose + Buffer)){
               OrderClose(OrderTicket(), OrderLots(), Ask, 0, DarkOrange);
               IsTrade = False;
               continue;
            }

            
         }
      }
   }



   if (CurrentClose > PreviousClose){
      if(!IsTrade) {
         //Check free margin
         if (AccountFreeMargin() < (1000 * Lots)) {
            Print("We have no money. Free Margin = ", AccountFreeMargin());
            return(0);
         }

         Ticket = OrderSend(Symbol(), OP_BUY, Lots, Ask, 0, 0, 0, "Buy(#" + MagicNumber + ")", MagicNumber, 0, DodgerBlue);
         if(Ticket > 0) {
            if (OrderSelect(Ticket, SELECT_BY_TICKET, MODE_TRADES)) {
				Print("BUY order opened : ", OrderOpenPrice());
                
			} else {
				Print("Error opening BUY order : ", GetLastError());
			}
         }
         return(0);
      }
   }

   //Sell
   if (CurrentClose < PreviousClose){
      if(!IsTrade) {
         //Check free margin
         if (AccountFreeMargin() < (1000 * Lots)) {
            Print("We have no money. Free Margin = ", AccountFreeMargin());
            return(0);
         }

         Ticket = OrderSend(Symbol(), OP_SELL, Lots, Bid, 0, 0, 0, "Sell(#" + MagicNumber + ")", MagicNumber, 0, DeepPink);
         if(Ticket > 0) {
            if (OrderSelect(Ticket, SELECT_BY_TICKET, MODE_TRADES)) {
				Print("SELL order opened : ", OrderOpenPrice());
                
			} else {
				Print("Error opening SELL order : ", GetLastError());
			}
         }
         
         return(0);
      }
   }

   return(0);
}
//+------------------------------------------------------------------+