
#include       <stdlib.mqh>
#include       <stderror.mqh> 
extern int     volume=250;
extern int     StopLoss = 35;
extern int     ProfitTarget = 35;
extern double  TrailingStop = 20;                     // Change to whatever number of pips you wish to trail your position with.
extern bool    UseTrailingStop = true;
extern int     TrailingStopType = 1;                  // Type 1 moves stop immediately, Type 2 waits til value of TS is reached
extern double  Lots=0.1;



extern int     Slippage = 5;
extern int     SignalCandle=1;                        //set to 1 if you want to get the cangle close 0 for current

//+---------------------------------------------------+
//|Money Management                                   |
//+---------------------------------------------------+
extern bool    UseMoneyManagement = false;           // Change to false to shutdown money management controls.
extern int     MM_Type = 1;
//+---------------------------------------------------+
//|Money Management type 1                            |
//+---------------------------------------------------+
extern string  StrSep1 = "-----MoneyManagementType 1 -----";
extern double  MMRisk=0.15;                         // Risk Factor
extern double  LossMax=1000;                        // Maximum Loss by 1 Lot
//+---------------------------------------------------+
//|Money Management type 2                            |
//+---------------------------------------------------+
extern string  StrSep2 = "-----MoneyManagementType 2 -----";
extern bool    AccountIsMini = true;                // Change to true if trading mini account
extern double  TradeSizePercent = 15;               // Change to whatever percent of equity you wish to risk.
double         MaxLots = 10;
//+---------------------------------------------------+


int    MagicNumber;                                 // Magic number of the trades. must be unique to identify

double Lotsi=0,mav=0;

bool   TradeAllowed=true;
  
int init() 
  {
    MagicNumber = 3000 + func_Symbol2Val(Symbol())*100 + func_TimeFrame_Const2Val(Period());
  }

int start()
{
int err;
err=GetLastError();

//------------------Signal indicators go in here------------------------------//
double  v=iVolume(Symbol(),Period(),0)/2;

//-------------------------------------------------------------------------//  
double dblMinStopDistance = MarketInfo(Symbol(),MODE_STOPLEVEL)*MarketInfo(Symbol(), MODE_POINT);
  Comment ("Min Stop Distance : ",dblMinStopDistance,"    ","Volume :",v);
  
int NumTrades = 0;
  
  for (int i = 0; i < OrdersTotal(); i++)
  {
    OrderSelect(i, SELECT_BY_POS);
 
    if (OrderSymbol() == Symbol())
    {
      if (OrderType() == OP_BUY ) NumTrades++;
      if (OrderType() == OP_SELL )NumTrades++;
    }
  }

  
    if (NumTrades == 0) 
  {
    if (TradeAllowed)
      {
          if (MM_Type == 1)
            Lotsi = MoneyManagement ( UseMoneyManagement, Lots, MMRisk, LossMax);
          else
            Lotsi = GetLots();

//----------------------------------SIGNAL GENERATOR-------------------------------------//
 


            
          //----Long
           if (v > volume)//  (mav > MAvolume..insert signal here..)
           {
            OrderSend(Symbol(), OP_BUY, Lotsi, Ask, Slippage, Ask - StopLoss * Point, Ask + ProfitTarget * Point, 0); 
           }
          if (err>0)
          Print("error(",err,"): ",ErrorDescription(err));
          
          else
           
         //----Short
           if (v > volume)//  (mav > MAvolume..insert signal here..)
           {
             OrderSend(Symbol(), OP_SELL, Lotsi, Bid, Slippage, Bid + StopLoss * Point, Bid - ProfitTarget * Point, 0);
           }
          if (err>0)
          Print("error(",err,"): ",ErrorDescription(err));
          
          else
            {
             return(0);
           }
        }
     }
//------------------------------------------------TRAILING STOP FUNCTION-------------------------//  
  if (UseTrailingStop)
   {
    for (i = 0; i < OrdersTotal(); i++)
     {
       OrderSelect(i, SELECT_BY_POS, MODE_TRADES);

     if ( OrderSymbol() == Symbol() )
      {
       if ( OrderType() == OP_BUY )
        {
          HandleTrailingStop(OP_BUY,OrderTicket(),OrderOpenPrice(),OrderStopLoss(),OrderTakeProfit());
          }

      if ( OrderType() == OP_SELL)
         {
          HandleTrailingStop(OP_SELL,OrderTicket(),OrderOpenPrice(),OrderStopLoss(),OrderTakeProfit());
	  	  }
	   }
    }
  }

  return(0);
}


// --------------------------------------- Money Management, by Robert Hill--------------------//

double MoneyManagement ( bool flag, double Lots, double risk, double maxloss)
   {
     Lotsi=Lots;
	    
   if ( flag ) Lotsi=NormalizeDouble(Lots*AccountFreeMargin()*risk/maxloss,1);   
     
   if (Lotsi<0.1) Lotsi=0.1;  
   return(Lotsi);
} 

//--------------------------------- Get number of lots for this trade  --------------------//                              

double GetLots()
{
   double lot;
   
   if(UseMoneyManagement)
    {
     lot = LotsOptimized();
      }
       else
        {
         lot = Lots;
   
   
   if(AccountIsMini)
    {
     if (lot < 0.1) lot = 0.1;
      }
       else
      {
     if (lot >= 1.0) lot = MathFloor(lot); else lot = 1.0;
      }
       if (lot > MaxLots) lot = MaxLots;
        }
         return(lot);
        }




//------------------ Calculate optimal lot size based on percent of Account---------------------//                                   


double LotsOptimized()
  {
   double lot=Lots;
//---- select lot size
   lot=NormalizeDouble(MathFloor(AccountFreeMargin()*TradeSizePercent/10000)/10,1);
   
  
  if(AccountIsMini)
  {
    lot = MathFloor(lot*10)/10;
    
   }
   return(lot);
  }
  

//+------------------------------------------------------------------+
//| Modify Open Position Controls                                    |
//|  Try to modify position 3 times                                  |
//+------------------------------------------------------------------+
bool ModifyOrder(int nOrderType, int ord_ticket,double op, double price,double tp, color mColor = CLR_NONE)
{
    int cnt, err;
    double myStop;
    
    myStop = ValidStopLoss (nOrderType, price);
    cnt=0;
   
       if (OrderModify(ord_ticket,op,myStop,tp,0,mColor))
       {
         return(true);
       }
       else 
       {
          err=GetLastError();
          if (err > 1) Print(cnt," Error modifying order : (", ord_ticket , ") " + ErrorDescription(err), " err ",err);
          if (err>0) cnt++;
          Sleep (10000);
          }
       
    
    return(false);
}



//---------------------------------Adjust stop loss so that it is legal------------------------//
double ValidStopLoss(int cmd, double sl)
{
   double  v=iVolume(Symbol(),Period(),0);
   if (sl == 0) return(0.0);
   
   double mySL, myPrice;
   double dblMinStopDistance = MarketInfo(Symbol(),MODE_STOPLEVEL)*MarketInfo(Symbol(), MODE_POINT);
   mySL = sl;

// Check if SlopLoss needs to be modified

   switch(cmd)
   {
   case OP_BUY:
      myPrice = MarketInfo(Symbol(), MODE_BID);
	   if (myPrice - sl < dblMinStopDistance)
	    
		mySL = myPrice - dblMinStopDistance;	// we are long
		break;
      
   case OP_SELL:
      myPrice = MarketInfo(Symbol(), MODE_ASK);
	   if (sl - myPrice < dblMinStopDistance) 
		mySL = myPrice + dblMinStopDistance;	// we are Short
      
      
   }
   return(NormalizeDouble(mySL,MarketInfo(Symbol(), MODE_DIGITS)));
}



//+------------------------------------------------------------------+
//| HandleTrailingStop                                               |
//| Type 1 moves the stoploss without delay.                         |
//| Type 2 waits for price to move the amount of the trailStop       |
//| before moving stop loss then moves like type 1                   |
//| Type 3 uses up to 3 levels for trailing stop                     |
//|      Level 1 Move stop to 1st level                              |
//|      Level 2 Move stop to 2nd level                              |
//|      Level 3 Trail like type 1 by fixed amount other than 1      |          |
//+------------------------------------------------------------------+
int HandleTrailingStop(int type, int ticket, double op, double os, double tp)
{
    double pt, TS=0, myAsk, myBid;
    double bos,bop,opa,osa;
    
    switch(type)
    {
       case OP_BUY:
       {
		 myBid = MarketInfo(Symbol(),MODE_BID);
       switch(TrailingStopType)
       {
        case 1: pt = Point*StopLoss;
                if(myBid-os > pt)
                 ModifyOrder(type, ticket,op,myBid-pt,tp, Aqua);
                break;
        case 2: pt = Point*TrailingStop;
                if(myBid-op > pt && os < myBid - pt)
                 ModifyOrder(type, ticket,op,myBid-pt,tp, Aqua);
                break;
       }
       return(0);
       break;
       }
    case  OP_SELL:
    {
		myAsk = MarketInfo(Symbol(),MODE_ASK);
       switch(TrailingStopType)
       {
        case 1: pt = Point*StopLoss;
                if(os - myAsk > pt)
                 ModifyOrder(type, ticket,op,myAsk+pt,tp, Aqua);
                break;
        case 2: pt = Point*TrailingStop;
                if(op - myAsk > pt && os > myAsk+pt)
                 ModifyOrder(type, ticket,op,myAsk+pt,tp, Aqua);
                break;
       }
    }
    return(0);
    }
}
  
//+------------------------------------------------------------------+
//| Time frame interval appropriation  function                      |
//+------------------------------------------------------------------+

int func_TimeFrame_Const2Val(int Constant ) {
   switch(Constant) {
      case 1:  // M1
         return(1);
      case 5:  // M5
         return(2);
      case 15:
         return(3);
      case 30:
         return(4);
      case 60:
         return(5);
      case 240:
         return(6);
      case 1440:
         return(7);
      case 10080:
         return(8);
      case 43200:
         return(9);
   }
}
int func_Symbol2Val(string symbol) {
   string mySymbol = StringSubstr(symbol,0,6);
	if(mySymbol=="AUDCAD") return(1);
	if(mySymbol=="AUDJPY") return(2);
	if(mySymbol=="AUDNZD") return(3);
	if(mySymbol=="AUDUSD") return(4);
	if(mySymbol=="CHFJPY") return(5);
	if(mySymbol=="EURAUD") return(6);
	if(mySymbol=="EURCAD") return(7);
	if(mySymbol=="EURCHF") return(8);
	if(mySymbol=="EURGBP") return(9);
	if(mySymbol=="EURJPY") return(10);
	if(mySymbol=="EURUSD") return(11);
	if(mySymbol=="GBPCHF") return(12);
	if(mySymbol=="GBPJPY") return(13);
	if(mySymbol=="GBPUSD") return(14);
	if(mySymbol=="NZDUSD") return(15);
	if(mySymbol=="USDCAD") return(16);
	if(mySymbol=="USDCHF") return(17);
	if(mySymbol=="USDJPY") return(18);
	Comment("unexpected Symbol");
	return(19);
}


