//+------------------------------------------------------------------+
//|     FarhadCrab6.mq4 |
//|     Copyright © 2007, Farhad Farshad |
//|     http://www.fxperz.com
//|     info@farhadfarshad.com
//|     info@fxperz.com
//|     ***** PLEASE NOTE *****
//|     This EA best works on EURUSD 1M TimeFrame. 
//|     If you get money from this EA please donate some to poor people of your country.
//+-----------------------------------------------------------------+
#property copyright "Copyright © 2007, Farhad Farshad"
#property link      "http://www.fxperz.com"
#include <stdlib.mqh>

extern double maxLoss        = 100; // Maximum Loss that you can bear in percent
extern double maxYield       = 0.1; // a number between 0 to 100 (not more than 10 is recommended)
extern double lTakeProfit    = 300;   // recomended  no more than 20
extern double sTakeProfit    = 300;   // recomended  no more than 20
extern double takeProfit     = 300;            // recomended  no more than 20
extern double pr             = 300;      //take profit in sideway markets.
extern double stopLoss       = 0;             // 
extern int magicEA           = 124;        // Magic EA identifier. Allows for several co-existing EA with different input values
extern double lTrailingStop  = 15;   // trail stop in points
extern double sTrailingStop  = 15;   // trail stop in points
extern color clOpenBuy       = Blue;  //Different colors for different positions
extern color clCloseBuy      = Aqua;  //Different colors for different positions
extern color clOpenSell      = Red;  //Different colors for different positions
extern color clCloseSell     = Violet;  //Different colors for different positions
extern color clModiBuy       = Blue;   //Different colors for different positions
extern color clModiSell      = Red;   //Different colors for different positions
extern int Slippage          = 3;
extern string nameEA         = "FarhadCrab6.mq4";// To "easy read" which EA place an specific order and remember me forever :)



double maLongCurrent, maShortCurrent, maLongPrevious, maShortPrevious, faRSICurrent, deMark;
double realTP, realSL, faMiddle, faHighest, faLowest, closeCurrent,faCloseM5, closeCurrentD, closePreviousD;
int cnt, ticket;
bool isBuying = false, isSelling = false, isBuyClosing = false, isSellClosing = false;
double initialDeposit; //First of All Specify your initial Deposit.
double lLots , sLots;// you can change the lot but be aware of margin. Its better to trade with 1/4 of your capital. 






//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int start() {

 
/*   
 */  
initialDeposit=AccountBalance();


//System Stoploss based on LongTerm Moving Average (Fibo  55 day MA)
//StopLoss For Buy Positions (Optional)
//if ((maLongCurrent>closeCurrentD) && (maLongPrevious<closePreviousD) && (maLongCurrent>highCurrentH1)) {
if ((AccountEquity()>(initialDeposit+((maxYield/100)*initialDeposit))) 
|| (AccountBalance()-AccountEquity()>((maxLoss/100)*initialDeposit))
//|| ((maLongCurrent>closeCurrentD) && (maLongPrevious<closePreviousD) && (maLongCurrent>highCurrentH1))
){
CloseBuyPositions(); 
 //return(0);
}

//StopLoss For Sell Positions (Optional)
//if ((maLongCurrent<closeCurrentD) && (maLongPrevious>closePreviousD) && (maLongCurrent<lowCurrentH1)) {
if ((AccountEquity()>(initialDeposit+((maxYield/100)*initialDeposit)))
|| (AccountBalance()-AccountEquity()>((maxLoss/100)*initialDeposit))
//|| ((maLongCurrent<closeCurrentD) && (maLongPrevious>closePreviousD) && (maLongCurrent<lowCurrentH1))

){

CloseSellPositions();

return(0);
}
         
   double overbought,oversold;
   
   if (maLongCurrent>closeCurrentD) //downtrend
   {
   oversold = 0.15;
   overbought = 0.85;
   }
   
      if (maLongCurrent<closeCurrentD) //uptrend
   {
   oversold = 0.15;
   overbought = 0.85;
   }





   // Check for invalid bars and takeprofit
   if(Bars < 200) {
      Print("Not enough bars for this strategy - ", nameEA);
      return(0);
      }

    calculateIndicators();                      // Calculate indicators' value 
    //Check for TakeProfit Conditions  
   if(lTakeProfit<1){
      Print("TakeProfit less than 1 on this EA with Magic -", magicEA );
      return(0);
   }
   if(sTakeProfit<1){
      Print("TakeProfit less than 1 on this EA with Magic -", magicEA);
      return(0);
   }
   
   //Introducing new expressions
double deMark              = iDeMarker(NULL,PERIOD_M1,9,0);
double previousdeMark      = iDeMarker(NULL,PERIOD_M1,9,1);
double rsi                 = iRSI(NULL,PERIOD_M1,9,PRICE_CLOSE,0);


double n;

if ((AccountEquity()-AccountBalance()==0) || (AccountEquity()-AccountBalance()>-((OrderLots())*500)))
   
   n = 0;
   else 
    n = 1;

if (OrdersTotal()>n)
{
return(0);
}

int bnt;
   
   for(bnt=0;bnt<OrdersTotal();bnt++)
   {
      OrderSelect (bnt, SELECT_BY_POS);
      
      
      if (TimeCurrent()-OrderOpenTime()<500) {
 //if((OrdersTotal()>1)){
      return(0);
   }
   }

    

//Check Margin Requirement

   if(AccountFreeMargin()<0){
   
      
      Print("We have no money. Free Margin = ", AccountFreeMargin());
      return(0);
   }
   

   //Buy Condition
   if ((!takeBuyPositions()) && (n == 0) ){
   

      if (
      
     (deMark<oversold) 
     //&& (previousdeMark < deMark)
     && (rsi < 30)
   //  && ((maLongCurrent<closeCurrentD))
             
)


      {

         OpenBuy();
        
         
         return(0);
      }
      }
      
      
         if ((!takeBuyPositions()) && (n == 1) ){
   

      if (

 (deMark<0.50) 
 && (previousdeMark < deMark)
     &&    (OrderType()==OP_SELL)
)


      {

         hedgeOpenBuy();
        
         
         return(0);
      }
      }

//Sell Condition
   if ((!takeSellPositions()) && (n == 0)){
      if ( 
 
       (deMark>overbought)
       //&& (previousdeMark > deMark)
       && (rsi > 70)
 //  && ((maLongCurrent>closeCurrentD)) 

)
{


         OpenSell();
        
         return(0);
      }
      }
      
      
         if ((!takeSellPositions()) && (n == 1)){
      if (
       (deMark>0.50)
       && (previousdeMark > deMark)

  && (OrderType()==OP_BUY)
)
{


         hedgeOpenSell();
        
         return(0);
      }
      }
   
   
   
   //Trailing Expressions
   TrailingPositionsBuy(lTrailingStop);
   TrailingPositionsSell(sTrailingStop);
   return (0);
}
//Number of Buy Positions

bool takeBuyPositions() {

for (int i=0; i<OrdersTotal(); i++) {
if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES)) {
if (OrderSymbol()==Symbol() && OrderMagicNumber() == magicEA) {
return(0);
}
} 
}

return(0);
}

//Number of Sell Positions

bool takeSellPositions() {

for (int i=0; i<OrdersTotal(); i++) {
if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES)) {
if (OrderSymbol()==Symbol() && OrderMagicNumber() == magicEA) {
return(0);
}
} 
}

return(0);
}

void TrailingPositionsBuy(int trailingStop) { 
   for (int i=0; i<OrdersTotal(); i++) { 
      if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES)) { 
         if (OrderSymbol()==Symbol() && OrderMagicNumber() == magicEA) { 
            if (OrderType()==OP_BUY) { 
               if (Bid-OrderOpenPrice()>trailingStop*Point) { 
                  if (OrderStopLoss()<Bid-trailingStop*Point) 
                     ModifyStopLoss(Bid-trailingStop*Point); 
               } 
            } 
         } 
      } 
   } 
} 
void TrailingPositionsSell(int trailingStop) { 
   for (int i=0; i<OrdersTotal(); i++) { 
      if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES)) { 
         if (OrderSymbol()==Symbol() && OrderMagicNumber() == magicEA) { 
            if (OrderType()==OP_SELL) { 
               if (OrderOpenPrice()-Ask>trailingStop*Point) { 
                  if (OrderStopLoss()>Ask+trailingStop*Point || 
OrderStopLoss()==0)  
                     ModifyStopLoss(Ask+trailingStop*Point); 
               } 
            } 
         } 
      } 
   } 
} 
void ModifyStopLoss(double ldStopLoss) { 
   bool fm;
   fm = OrderModify(OrderTicket(),OrderOpenPrice
(),ldStopLoss,OrderTakeProfit(),0,CLR_NONE); 
  
} 

void OpenBuy() { 
   double ldLot, ldStop, ldTake; 
   string lsComm; 
   ldLot = GetSizeLot(); 
   ldStop = GetStopLossBuy(); 
   ldTake = GetTakeProfitBuy(); 
   lsComm = GetCommentForOrder(); 
   if ((AccountEquity()-AccountBalance()==0) || (AccountEquity()-AccountBalance()>-((OrderLots())*500)))
   
   lLots = 0.1; //NormalizeDouble((MathRound((AccountBalance()-500)/1000)/10),1);

   else 
   lLots = 0.2; //NormalizeDouble((MathRound((AccountBalance()-500)/1000)/5),1);

   OrderSend(Symbol(),OP_BUY,lLots,Ask,Slippage,ldStop,ldTake,nameEA,magicEA,0,clOpenBuy);  

    
} 
void OpenSell() { 
   double ldLot, ldStop, ldTake; 
   string lsComm; 

   ldLot = GetSizeLot(); 
   ldStop = GetStopLossSell(); 
   ldTake = GetTakeProfitSell(); 
   lsComm = GetCommentForOrder(); 
   if ((AccountEquity()-AccountBalance()==0) || (AccountEquity()-AccountBalance()>-((OrderLots())*500)))
   
   sLots = 0.1; //NormalizeDouble((MathRound((AccountBalance()-500)/1000)/10),1);

   else 
   sLots = 0.2; //NormalizeDouble((MathRound((AccountBalance()-500)/1000)/5),1);

   
   

   OrderSend(Symbol(),OP_SELL,sLots,Bid,Slippage,ldStop,ldTake,nameEA,magicEA,0,clOpenSell); 
  
} 

void hedgeOpenBuy() { 
   double ldLot, ldStop, ldTake; 
   string lsComm; 
   ldLot = GetSizeLot(); 
   ldStop = GetStopLossBuy(); 
   ldTake = GetTakeProfitBuy(); 
   lsComm = GetCommentForOrder(); 
   //if ((AccountEquity()-AccountBalance()==0) || (AccountEquity()-AccountBalance()>-(MathSqrt(OrderLots())*500)))
   
   //lLots = 0.2; //MathRound(AccountBalance()/4000);

   //else 
   lLots = 0.2; //NormalizeDouble((MathRound((AccountBalance()-500)/1000)/5),1);

   OrderSend(Symbol(),OP_BUY,lLots,Ask,Slippage,Ask-60*Point,ldTake,nameEA,magicEA,0,clOpenBuy);  

    
} 
void hedgeOpenSell() { 
   double ldLot, ldStop, ldTake; 
   string lsComm; 

   ldLot = GetSizeLot(); 
   ldStop = GetStopLossSell(); 
   ldTake = GetTakeProfitSell(); 
   lsComm = GetCommentForOrder(); 
  // if ((AccountEquity()-AccountBalance()==0) || (AccountEquity()-AccountBalance()>-(MathSqrt(OrderLots())*500)))
   
   //sLots = 0.2; //MathRound(AccountBalance()/4000);

  // else 
   sLots = 0.2; //NormalizeDouble((MathRound((AccountBalance()-500)/1000)/5),1);

   
   

   OrderSend(Symbol(),OP_SELL,sLots,Bid,Slippage,Bid+60*Point,ldTake,nameEA,magicEA,0,clOpenSell); 
  
} 
string GetCommentForOrder() { return(nameEA); } 
double GetSizeLot() { return(lLots); } 
double GetTakeProfitBuy() { if (iADX(NULL,0,14,PRICE_MEDIAN,MODE_MAIN,0)<25)  return(Ask+lTakeProfit*Point); else return(Ask+pr*Point); } 
double GetTakeProfitSell() { if (iADX(NULL,0,14,PRICE_MEDIAN,MODE_MAIN,0)<25) return(Bid-sTakeProfit*Point); else return (Bid-pr*Point);} 
double GetStopLossBuy() { if (stopLoss==0) return(0); else  return(Ask - stopLoss*Point);}
double GetStopLossSell() { if (stopLoss==0) return(0); else return(Bid + stopLoss*Point);}
  void calculateIndicators() {  
    // Calculate indicators' value   

   closeCurrentD       = iClose(NULL,PERIOD_M1,0); //Close Price Current for D1 TimeFrame
   closePreviousD      = iClose(NULL,PERIOD_M1,1); //Close Price Previous for D1 TimeFrame
   maLongCurrent       = iMA(NULL,PERIOD_M1,55,1,MODE_SMMA,PRICE_TYPICAL,0); //Current Long Term Moving Average 
   maLongPrevious      = iMA(NULL,PERIOD_M1,55,1,MODE_SMMA,PRICE_TYPICAL,1); //Previous Long Term Moving Average 
   
   // Check for BUY, SELL, and CLOSE signal
   isBuying  = false;
   isSelling = false;
   isBuyClosing = false;
   isSellClosing = false;
}
void CloseBuyPositions(){ 
   for (int i=0; i<OrdersTotal(); i++) { 
      if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES)) { 
         if (OrderSymbol()==Symbol() && OrderMagicNumber() == magicEA) { 
            if (OrderType()==OP_BUY) OrderClose(OrderTicket(),lLots,Bid,Slippage);
         } 
      } 
   } 
} 
void CloseSellPositions(){ 
   for (int i=0; i<OrdersTotal(); i++) { 
      if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES)) { 
         if (OrderSymbol()==Symbol() && OrderMagicNumber() == magicEA) { 
            if (OrderType()==OP_SELL) OrderClose(OrderTicket(),sLots,Ask,Slippage);
         } 
      } 
   } 
}