Pls help me for stop trading and wait for condition

[quagpz0]

Hi! I have problem with my code! I want if orderlots >= lotb then it will stop trading and wait for new condition! However it didnt stop and countinute trade until profitable result

//+------------------------------------------------------------------+
//|                                                advance_rsibo.mq4 |
//|                                                          TeoPham |
//|                                           https://fb.com/jviruss |
//+------------------------------------------------------------------+
#property copyright "TeoPham"
#property link      ""
#property version   "1.00"
#property strict
//+------------------------------------------------------------------+
//| Expert initialization function                                   |
extern double lot = 0.01,
              mp = 2.0;
double      rsihigh = 75.0,
            rsilow = 25.0,
            ccihigh = 195.0,
            ccilow = -195.0;
double lota = lot;
double lotb = 0.02;
/*datetime hethan = D'2018.10.19 0:00'; */ 
int init() {
   HideTestIndicators(TRUE);
   return (0);
}
int dieukien()
  {
      if (( iRSI(Symbol(),NULL,14,PRICE_OPEN,0) > rsihigh) && ( iCCI(Symbol(),NULL,14,PRICE_OPEN,0) > ccihigh)&& (Close[0] > iBands(NULL,0,14,2,0,PRICE_OPEN,MODE_UPPER,0))) return(1);
      if ((iRSI(Symbol(),NULL,14,PRICE_OPEN,0) < rsilow) && (iCCI(Symbol(),NULL,14,PRICE_OPEN,0) < ccilow) && (Close[0] < iBands(NULL,0,14,2,0,PRICE_OPEN,MODE_LOWER,0))) return(2);
      else return(3);
  }   
void OnTick()
  {
  Comment( "Xin chao " + AccountInfoString(ACCOUNT_NAME) + "\nRobot dang chay...");
//--- 
  if(dieukien() == 1 && OrdersTotal() < 1) OrderSend(Symbol(),OP_SELL,lota,Open[0],NULL,NULL,NULL,NULL,NULL,NULL,Red);
  if(dieukien() == 2 && OrdersTotal() < 1) OrderSend(Symbol(),OP_BUY,lota,Open[0],NULL,NULL,NULL,NULL,NULL,NULL,Green);
  
//------------------------------------------------------------------------------------
 //Closeorder Function----------------------------

  for(int iPos=OrdersTotal() - 1; iPos >=0; iPos--) 
  if (OrderSelect(iPos,SELECT_BY_POS) &&  OrderSymbol() == Symbol())
    {
    int duration = iBarShift(NULL,NULL, OrderOpenTime());
    if (duration < 1) continue;
    if (!OrderClose(OrderTicket(),OrderLots(), OrderClosePrice(), NULL, MediumSeaGreen))
        Alert("OrderClose Failed: ", GetLastError());
    }

 //----------------------------------------------    
 int last_trade=HistoryTotal();
if(last_trade>0)
  {
   if(OrderSelect(last_trade-1,SELECT_BY_POS,MODE_HISTORY)==true)
     {
      if(OrderSymbol()==Symbol() && (OrderProfit() < 0) && (OrdersTotal() < 1))
         {              
               if(OrderType() == OP_BUY) 
               {
                  if(OrderLots() >= lotb) 
                  {
                     Print("Reset lots");
                     OrderLots() == lot;
                     dieukien() == 3;
                  }
                  OrderSend(Symbol(),OP_BUY,lota*mp,Open[0],NULL,NULL,NULL,NULL,NULL,NULL,Green);
                  Print("Du dieu kieu BUY lenh 2");
               }
               
               if(OrderType() == OP_SELL) 
               {
                  if(OrderLots() >= lotb) 
                  {
                     Print("Reset lots");
                     OrderLots() == lot;
                     dieukien() == 3;
                  }
                  OrderSend(Symbol(),OP_SELL,lota*mp,Open[0],NULL,NULL,NULL,NULL,NULL,NULL,Red);
                  Print("Du dieu kieu ban SELL 2");
               }
               
               if(OrderSymbol()==Symbol() && (OrderProfit() == 0)) 
               {
                 if(OrderType() == OP_BUY) OrderSend(Symbol(),OP_BUY,OrderLots(),Open[0],NULL,NULL,NULL,NULL,NULL,NULL,Green);
                 if(OrderType() == OP_SELL) OrderSend(Symbol(),OP_SELL,OrderLots(),Open[0],NULL,NULL,NULL,NULL,NULL,NULL,Red);
               }
               if(OrderSymbol()==Symbol() && (OrderProfit() > 0)) 
               {
                  Print("Sleepp - di nguuuuu");
                  dieukien() == 3;
               }       
         }
      if(OrderSymbol()==Symbol() && (OrderProfit() > 0))
         {
          lota = lot;
         }
     }
  }
if(OrderLots() >= lotb) 
               {
               OrderLots() == lot;
               dieukien() == 3;
               }
  }
//+------------------------------------------------------------------+