//+-----------------------------+
//|Shashi RSI-R2 from Shell_20b |
//+-----------------------------+
#property copyright "Ron Thompson"
#property link      "http://www.ForexMT4.com/"

// This EA is NEVER to be SOLD individually 
// This EA is NEVER to be INCLUDED as part of a collection that is SOLD

// user input
extern bool   WithTrend           =   false   ;
extern string Pairs               =       "AUDJPY,AUDNZD,AUDUSD,CHFJPY,EURAUD,EURCAD,EURCHF,EURGBP,EURJPY,EURUSD,GBPCHF,GBPJPY,GBPUSD,NZDJPY,NZDUSD,USDCAD,USDCHF,USDJPY" ;
extern double Lots                =       0.2 ;
extern double ProfitMade          =     130   ; 
extern double LossLimit           =     100   ;
extern double BreakEven           =       0   ;
extern double TrailStop           =       0   ;
extern bool   KillLogging         =    true   ;


// MULTI Pair handling
// hard coded to use current symbol() for testing
       string               Pairz[100];
static bool          TradeAllowed[100];
static datetime           bartime[100];
       int    ptrPMAX;
       int    ptrPairz=0;
       string mySymbol;
       double bid;
       double ask;
   

// Trade control
double        myPoint;                              // support for 3/5 decimal places
int           Slippage=2;                           // how many pips of slippage can you tolorate

int           loopcount;                            // count of order attempts
int           maxloop=20;                           // maximum number of attempts to handle errors
int           LL2SL=50;                             // LossLimit to StopLoss server spread
int           MagicNumber  = 142538004;             // allows multiple experts to trade on same account
string        TradeComment = "_ShashiM1d.txt";      // where to log information

// Statistics
int           maxOrders;                            // statistic for maximum numbers or orders open at one time

// used for verbose error logging
#include <stdlib.mqh>


//+-------------+
//| Custom init |
//|-------------+
// Called ONCE when EA is added to chart or recompiled

int init()
  {
   int OPS=0;
   int i;
   int cnt;

   // trades turned on only if there is NO open order
   // MULTIPLE order systems may need to change this 
   for (i=0; i<100; i++)
     {
      mySymbol=Pairz[i];
      OPS=0;
      for(cnt=OrdersTotal();cnt>=0;cnt--)
        {
         OrderSelect(cnt, SELECT_BY_POS, MODE_TRADES);
         if( OrderSymbol()==mySymbol && OrderMagicNumber()==MagicNumber) OPS++;
        }
      if(OPS==0) TradeAllowed[i]=true; else TradeAllowed[i]=false;

     }//for

   
   // Split the user string into an array 
   int ipair=0;
   int pcomma=0;
   int comma=0;

   //clear the array 
   for (i=0; i<100; i++)
     {
      Pairz[i]="";
     }

   
   while (true)
     {
      // if backtesting then set array to current symbol only
      if(IsTesting())
        {
         Pairz[0]=Symbol();
         ptrPMAX=1;
         break;
        }
     
      // if nothing in the extern that we can use
      // then set array to current symbol only
      if(StringLen(Pairs)<6)
        {
         Pairz[0]=Symbol();
         ptrPMAX=1;
         break;
        }
     
      //save the old comma
      pcomma=comma;
      // find the next comma
      comma=StringFind(Pairs, ",", pcomma+1);
      // Gather trailing pair (no comma following last pair)
      // then leave (accounts for one pair on line)
      if(comma<0)
        {
         Pairz[ipair]=StringSubstr(Pairs, pcomma+1, comma-pcomma);
         ptrPMAX=ipair;
         Print(ipair+" "+Pairz[ipair]);      
         break;
        }
      // store the pair into an array
      if(ipair==0) Pairz[ipair]=StringSubstr(Pairs, pcomma, comma-pcomma);
      if(ipair >0) Pairz[ipair]=StringSubstr(Pairs, pcomma+1, comma-pcomma-1);
      
      Print(ipair+" "+Pairz[ipair]);      
      
      // increment pointer for next elemant
      ipair++;
      if(ipair>100) break;
     }
   
   
   Comment(" ");
   logwrite(TradeComment,"Init Complete");



  }

//+----------------+
//| Custom DE-init |
//+----------------+
// Called ONCE when EA is removed from chart

int deinit()
  {
   // always indicate deinit statistics
   logwrite(TradeComment,"MAX number of orders "+maxOrders);
   
   Comment(" ");
   logwrite(TradeComment,"DE-Init Complete");
  }


//+-----------+
//| Main      |
//+-----------+
// Called EACH TICK and each Bar[]

int start()
  {

   // The following MUST be done before anything else

      // step through each pair, once a tick
      ptrPairz++;
      if(ptrPairz>=ptrPMAX) ptrPairz=0;
      mySymbol=Pairz[ptrPairz];
      
      Comment("Now trading -"+mySymbol+"- at position "+ptrPairz );      
   
      // get normalized Point based on Broker decimal places
      // every tick, since we may be using multi-pairs
      myPoint = SetPoint();

   // end 'MUST'


   int      cnt=0;
   int      gle=0;
   int      ticket=0;
   int      OrdersPerSymbol=0;

   // stoploss and takeprofit and close control
   double SL=0;
   double TP=0;
   
   double CurrentProfit=0;
   double CurrentBasket=0;
     
   // direction control
   bool BUYme=false;
   bool SELLme=false;

   double MaCurrent;
   double MaPrevious;


   //safety counter
   int   loopcount=0;


   OrdersPerSymbol=0;
   for(cnt=OrdersTotal();cnt>=0;cnt--)
     {
      OrderSelect(cnt, SELECT_BY_POS, MODE_TRADES);
      if( OrderSymbol()==mySymbol && OrderMagicNumber()==MagicNumber) OrdersPerSymbol++;
     }
   // keep some statistics
   if(OrdersPerSymbol>maxOrders) maxOrders=OrdersPerSymbol;


   //uncomment for MULTIPLE trades per bar 
   //if(OrdersPerSymbol==0) TradeAllowed[ptrPairz]=true;


   // bar counting
   if(bartime[ptrPairz]!=iTime(mySymbol, PERIOD_D1, 0) ) 
     {
      bartime[ptrPairz]=iTime(mySymbol, PERIOD_D1, 0) ;

      //uncomment for SINGLE trade per bar 
      if(OrdersPerSymbol==0) TradeAllowed[ptrPairz]=true;

      //+-----------------------------+
      //| Code here will execute once |
      //| at the OPEN of a NEW BAR    |
      //|                             |
      //| NOTE: use 'tf1' for any     |
      //|       indicator or iCustom  |       
      //|       timeframe parameter   |
      //+-----------------------------+

      
      double RSI1=iRSI(mySymbol,PERIOD_D1,2,MODE_CLOSE,1);
      double RSI2=iRSI(mySymbol,PERIOD_D1,2,MODE_CLOSE,2);
      double RSI3=iRSI(mySymbol,PERIOD_D1,2,MODE_CLOSE,3);
      
      if(WithTrend==false && RSI3<50 && RSI2<RSI3 && RSI1<RSI2)   BUYme=true;
      if(WithTrend==false && RSI3>50 && RSI2>RSI3 && RSI1>RSI2)  SELLme=true;

      if(WithTrend==true  && RSI1<50 && RSI2<RSI3 && RSI1<RSI2)  SELLme=true;
      if(WithTrend==true  && RSI1>50 && RSI2>RSI3 && RSI1>RSI2)   BUYme=true;
         
      //+------------+
      //| End Insert |
      //+------------+

     }



     
   //+-----------------------------+
   //| Insert your indicator here  |
   //| And set either BUYme or     |
   //| SELLme true to place orders |
   //|                             |
   //| NOTE: use 'tf1' for any     |
   //|       indicator or iCustom  |       
   //|       timeframe parameter   |
   //+-----------------------------+

   
   //+------------+
   //| End Insert |
   //+------------+
   

   //ENTRY LONG (buy, Ask) 
   if( TradeAllowed[ptrPairz] && BUYme)
     {
      OpenBuy();
     }
        

   //ENTRY SHORT (sell, Bid)
   if( TradeAllowed[ptrPairz] && SELLme)
     {
      OpenSell();
     }


   //
   // Order Management
   //


   //Basket profit


   // Basket profit or loss - count the profit/loss
   // from this EA & Symbol()& magicnumber only
   // calculation can be done in PIPS or DOLLARS

   CurrentBasket=0;
   for(cnt=OrdersTotal();cnt>=0;cnt--)
     {
      OrderSelect(cnt, SELECT_BY_POS, MODE_TRADES);
      if( OrderSymbol()==mySymbol && OrderMagicNumber()==MagicNumber)
        {
         // add up pips
         //if(OrderType()==OP_BUY  ) CurrentBasket=CurrentBasket+(  Close[0]-OrderOpenPrice()         );
         //if(OrderType()==OP_SELL ) CurrentBasket=CurrentBasket+( (Close[0]-OrderOpenPrice()) * (-1) );
         //add up dollars
         if(OrderType()==OP_BUY  ) CurrentBasket=CurrentBasket+(  OrderProfit() );
         if(OrderType()==OP_SELL ) CurrentBasket=CurrentBasket+(  OrderProfit() );
        }
     }


   for(cnt=OrdersTotal();cnt>=0;cnt--)
     {
      OrderSelect(cnt, SELECT_BY_POS, MODE_TRADES);
      if( OrderSymbol()==mySymbol && OrderMagicNumber()==MagicNumber )
        {
        
         if(OrderType()==OP_BUY)
           {
            bid=MarketInfo(mySymbol,MODE_BID);
            CurrentProfit=(bid-OrderOpenPrice()) ;

            //
            // Modify for break even
            //=======================
            //
            // OrderStopLoss will be equal to OrderOpenPrice if this event happens
            // thus it will only ever get executed one time per ticket
            if( BreakEven>0 )
              {
               if (CurrentProfit >= BreakEven*myPoint && OrderOpenPrice()>OrderStopLoss())
                 {
                  bid=MarketInfo(mySymbol,MODE_BID);
                  ask=MarketInfo(mySymbol,MODE_ASK);
                  SL=OrderOpenPrice()+(ask-bid);
                  TP=OrderTakeProfit();
                  OrderModify(OrderTicket(),OrderOpenPrice(),SL,TP, White);
                  gle=GetLastError();
                  if(gle==0)
                    {
                     logwrite(TradeComment,"MODIFY BUY BE Ticket="+OrderTicket()+" SL="+SL+" TP="+TP);
                    }
                     else 
                    {
                     logwrite(TradeComment,"-----ERROR----- MODIFY BUY  BE Bid="+Bid+" error="+gle+" "+ErrorDescription(gle));
                    }
                 }
              }


            //
            // check for trailing stop
            //=========================
            //
            // This starts trailing after 'TrailStop' pips of profit
            if( TrailStop>0 && iClose(mySymbol,PERIOD_D1,0)>OrderOpenPrice()+(TrailStop*myPoint) )  
              {                 
               bid=MarketInfo(mySymbol,MODE_BID);
               if( OrderStopLoss() < bid-(TrailStop*myPoint) )
                 {
                  SL=bid-(TrailStop*myPoint);
                  TP=OrderTakeProfit();
                  OrderModify(OrderTicket(),OrderOpenPrice(),SL,TP,0,White);
                  gle=GetLastError();
                  if(gle==0)
                    {
                     logwrite(TradeComment,"MODIFY BUY TS Ticket="+OrderTicket()+" SL="+SL+" TP="+TP);
                    }
                     else 
                    {
                     logwrite(TradeComment,"-----ERROR----- MODIFY BUY TS Bid="+bid+" error="+gle+" "+ErrorDescription(gle)+" ");
                    }
                 }
              }


            // Did we make a profit
            //======================
            if(ProfitMade>0 && CurrentProfit>=(ProfitMade*myPoint))
              {
               CloseBuy("PROFIT");
              }
              

            // Did we take a loss
            //====================
            if(LossLimit>0 && CurrentProfit<=(LossLimit*(-1)*myPoint))
              {
               CloseBuy("LOSS");
              }
              
           } // if BUY


         if(OrderType()==OP_SELL)
           {
            ask=MarketInfo(mySymbol,MODE_ASK);
            CurrentProfit=(OrderOpenPrice()-ask);
            //logwrite(TradeComment,"SELL CurrentProfit="+CurrentProfit/myPoint+" CurrentBasket="+CurrentBasket/myPoint);

           
            //
            // Modify for break even
            //=======================
            //
            // OrderStopLoss will be equal to OrderOpenPrice if this event happens
            // thus it will only ever get executed one time per ticket
            if( BreakEven>0 )
              {
               if (CurrentProfit >= BreakEven*myPoint && OrderOpenPrice()<OrderStopLoss())
                 {
                  bid=MarketInfo(mySymbol,MODE_BID);
                  ask=MarketInfo(mySymbol,MODE_ASK);
                  SL=OrderOpenPrice()-(ask-bid);
                  TP=OrderTakeProfit();
                  OrderModify(OrderTicket(),OrderOpenPrice(),SL,TP, Red);
                  gle=GetLastError();
                  if(gle==0)
                    {
                     logwrite(TradeComment,"MODIFY SELL BE Ticket="+OrderTicket()+" SL="+SL+" TP="+TP);
                    }
                     else 
                    {
                     logwrite(TradeComment,"-----ERROR----- MODIFY SELL BE Ask="+ask+" error="+gle+" "+ErrorDescription(gle));
                    }
                 }
              }


            //
            // check for trailing stop
            //=========================
            //
            // This starts trailing after 'TrailStop' pips of profit
            if( TrailStop>0 && iClose(mySymbol,PERIOD_D1,0)<OrderOpenPrice()-(TrailStop*myPoint) )  


              {                 
               ask=MarketInfo(mySymbol,MODE_ASK);
               if( OrderStopLoss() > ask+(TrailStop*myPoint) )
                 {
                  SL=ask+(TrailStop*myPoint);
                  TP=OrderTakeProfit();
                  OrderModify(OrderTicket(),OrderOpenPrice(),SL,TP,0,Red);
                  gle=GetLastError();
                  if(gle==0)
                    {
                     logwrite(TradeComment,"MODIFY SELL TS Ticket="+OrderTicket()+" SL="+SL+" TP="+TP);
                    }
                     else 
                    {
                     logwrite(TradeComment,"-----ERROR----- MODIFY SELL TS Ask="+ask+" error="+gle+" "+ErrorDescription(gle));
                    }

                 }

              }


            // Did we make a profit
            //======================
            if( ProfitMade>0 && CurrentProfit>=(ProfitMade*myPoint) )
              {
               CloseSell("PROFIT");
              }
             

            // Did we take a loss
            //====================
            if( LossLimit>0 && CurrentProfit<=(LossLimit*(-1)*myPoint) )
              {
               CloseSell("LOSS");
              }

           } //if SELL
           
        } // if(OrderSymbol)
        
     } // for

  } // start()


// log data to a file name passed in
// print everything regardless of log setting
void logwrite (string filename, string mydata)
  {
   int myhandle;
   string gregorian=TimeToStr(CurTime(),TIME_DATE|TIME_SECONDS);

   Print("     "+mySymbol+" "+mydata+" "+gregorian);
   
   // don't log anything if testing or if user doesn't want it
   if(IsTesting()) return(0);
   if(KillLogging) return(0);

   myhandle=FileOpen(mySymbol+"_"+filename, FILE_CSV|FILE_WRITE|FILE_READ, ";");
   if(myhandle>0)
     {
      FileSeek(myhandle,0,SEEK_END);
      FileWrite(myhandle, "     "+mySymbol+" "+mydata+" "+gregorian);
      FileClose(myhandle);
     }
  } 



//ENTRY LONG (buy, Ask) 
void OpenBuy()
     {
      int      gle=0;
      int      ticket=0;
      
      double SL=0;
      double TP=0;
      int loopcount;

      // PLACE order is independent of MODIFY order. 
      // This is mandatory for ECNs and acceptable for retail brokers

      loopcount=0;
      while(true)          
        {
         bid=MarketInfo(mySymbol,MODE_BID);
         ask=MarketInfo(mySymbol,MODE_ASK);

         // place order - NO TP OR SL
         ticket=OrderSend(mySymbol,OP_BUY,Lots,ask,Slippage,0,0,TradeComment,MagicNumber,White);
         gle=GetLastError();
         if(gle==0)
           {
            logwrite(TradeComment,"BUY PLACED Ticket="+ticket+" Ask="+ask+" Lots="+Lots);
            TradeAllowed[ptrPairz]=false;
            break;
           }
          else 
           {
            logwrite(TradeComment,"-----ERROR-----  Placing BUY order: Lots="+Lots+" Bid="+bid+" Ask="+ask+" ticket="+ticket+" Err="+gle+" "+ErrorDescription(gle)); 
            
            RefreshRates();
            Sleep(500);

            // give up after loopcount tries
            loopcount++;
            if(loopcount>maxloop)
              {
               logwrite(TradeComment,"-----ERROR-----  Giving up on placing BUY order"); 
               return(gle);
              }
           }
        }//while - place order 


      // modify the order for users TP & SL
      loopcount=0;
      while(true)
        {
         bid=MarketInfo(mySymbol,MODE_BID);
         ask=MarketInfo(mySymbol,MODE_ASK);

         // don't set TP and SL both to zero, they're already there
         if(LossLimit==0 && ProfitMade==0) break;
         
         if(LossLimit  ==0) SL=0;
         if(ProfitMade ==0) TP=0;
         if(LossLimit   >0) SL=ask-((LossLimit+LL2SL)*myPoint );
         if(ProfitMade  >0) TP=ask+((ProfitMade+LL2SL)*myPoint );
         OrderModify(ticket,OrderOpenPrice(),SL,TP,0,White);
         gle=GetLastError();
         if(gle==0)
           {
            logwrite(TradeComment,"BUY OPENMOD Ticket="+ticket+" Ask="+ask+" Lots="+Lots+" SL="+SL+" TP="+TP);
            break;
           }
          else 
           {
            logwrite(TradeComment,"-----ERROR-----  Modifying BUY order: Lots="+Lots+" SL="+SL+" TP="+TP+" Bid="+bid+" Ask="+ask+" ticket="+ticket+" Err="+gle+" "+ErrorDescription(gle)); 
            
            RefreshRates();
            Sleep(500);

            loopcount++;
            if(loopcount>maxloop)
              {
               logwrite(TradeComment,"-----ERROR-----  Giving up on modifying BUY order"); 
               return(gle);
              }
           }
        }//while - modify order
        
        
     }//BUYme



   //ENTRY SHORT (sell, Bid)
void OpenSell()
     {
      int      gle=0;
      int      ticket=0;
      
      double SL=0;
      double TP=0;
      int loopcount;

      // PLACE order is independent of MODIFY order. 
      // This is mandatory for ECNs and acceptable for retail brokers

      loopcount=0;
      while(true)
        {
         bid=MarketInfo(mySymbol,MODE_BID);
         ask=MarketInfo(mySymbol,MODE_ASK);

         ticket=OrderSend(mySymbol,OP_SELL,Lots,bid,Slippage,0,0,TradeComment,MagicNumber,Red);
         gle=GetLastError();
         if(gle==0)
           {
            logwrite(TradeComment,"SELL PLACED Ticket="+ticket+" Bid="+bid+" Lots="+Lots);
            TradeAllowed[ptrPairz]=false;
            break;
           }
            else 
           {
            logwrite(TradeComment,"-----ERROR-----  placing SELL order: Lots="+Lots+" SL="+SL+" TP="+TP+" Bid="+bid+" Ask="+ask+" ticket="+ticket+" Err="+gle+" "+ErrorDescription(gle)); 
                            
            RefreshRates();
            Sleep(500);

            loopcount++;
            if(loopcount>maxloop)
              {
               logwrite(TradeComment,"-----ERROR-----  Giving up on placing SELL order"); 
               return(gle);
              }
           }
        }//while

      
      // modify the order for users TP & SL
      loopcount=0;
      while(true)
        {
         bid=MarketInfo(mySymbol,MODE_BID);
         ask=MarketInfo(mySymbol,MODE_ASK);

         // don't set TP and SL both to zero, they're already there
         if(LossLimit==0 && ProfitMade==0) break;
         
         if(LossLimit  ==0) SL=0;
         if(ProfitMade ==0) TP=0;
         if(LossLimit   >0) SL=bid+((LossLimit+LL2SL)*myPoint );
         if(ProfitMade  >0) TP=bid-((ProfitMade+LL2SL)*myPoint );
         OrderModify(ticket,OrderOpenPrice(),SL,TP,0,Red);
         gle=GetLastError();
         if(gle==0)
           {
            logwrite(TradeComment,"SELL OPENMOD Ticket="+ticket+" Bid="+bid+" Lots="+Lots+" SL="+SL+" TP="+TP);
            break;
           }
            else 
           {
            logwrite(TradeComment,"-----ERROR-----  modifying SELL order: Lots="+Lots+" SL="+SL+" TP="+TP+" Bid="+bid+" Ask="+ask+" ticket="+ticket+" Err="+gle+" "+ErrorDescription(gle)); 
                            
            RefreshRates();
            Sleep(500);

            loopcount++;
            if(loopcount>maxloop)
              {
               logwrite(TradeComment,"-----ERROR-----  Giving up on placing SELL order"); 
               return(gle);
              }
           }

        }//while

     }//SELLme



void CloseBuy (string myInfo)
  {
   int gle;
   int cnt;
   int OrdersPerSymbol;

   int loopcount=0;
   
   string bTK=" Ticket="+OrderTicket();
   string bSL=" SL="+OrderStopLoss();
   string bTP=" TP="+OrderTakeProfit();
   string bPM;
   string bLL;
   string bER;

   bPM=" PM="+ProfitMade;
   bLL=" LL="+LossLimit;

   while(true)
     {
      bid=MarketInfo(mySymbol,MODE_BID);

      OrderClose(OrderTicket(),OrderLots(),bid,Slippage,White);
      gle=GetLastError();
      bER=" error="+gle+" "+ErrorDescription(gle);

      if(gle==0)
        {
         logwrite(TradeComment,"CLOSE BUY "+myInfo+ bTK + bSL + bTP + bPM + bLL);
         break;
        }
       else 
        {
         logwrite(TradeComment,"-----ERROR----- CLOSE BUY "+myInfo+ bER +" Bid="+bid+ bTK + bSL + bTP + bPM + bLL);
         RefreshRates();
         Sleep(500);
        }


      loopcount++;
      if(loopcount>maxloop)
        {
         logwrite(TradeComment,"-----ERROR-----  Giving up on closing BUY order"); 
         return(gle);
        }
                     
     }//while
  
  }


void CloseSell (string myInfo)
  {
   int gle;
   int cnt;
   int OrdersPerSymbol;

   int loopcount=0;

   string sTK=" Ticket="+OrderTicket();
   string sSL=" SL="+OrderStopLoss();
   string sTP=" TP="+OrderTakeProfit();
   string sPM;
   string sLL;
   string sER;
      
   sPM=" PM="+ProfitMade;
   sLL=" LL="+LossLimit;

   while(true)
     {
      ask=MarketInfo(mySymbol,MODE_ASK);

      OrderClose(OrderTicket(),OrderLots(),ask,Slippage,Red);
      gle=GetLastError();
      sER=" error="+gle+" "+ErrorDescription(gle);
      
      if(gle==0)
        {
         logwrite(TradeComment,"CLOSE SELL "+myInfo + sTK + sSL + sTP + sPM + sLL);
         break;
        }
      else 
        {
         logwrite(TradeComment,"-----ERROR----- CLOSE SELL "+myInfo+ sER +" Ask="+ask+ sTK + sSL + sTP + sPM + sLL);
         RefreshRates();
         Sleep(500);
        }

      loopcount++;
      if(loopcount>maxloop)
        {
         logwrite(TradeComment,"-----ERROR-----  Giving up on closing SELL order"); 
         return(gle);
        }
                 
     }//while                 
  }      


// Function to correct the value of Point
// for brokers that add an extra digit to price
// Courtesy of Robert Hill

double SetPoint()
  {
   double mPoint;
   int    digits=MarketInfo(mySymbol,MODE_DIGITS);

   if (digits < 4)
     {
      mPoint = 0.01;
     }
   else
     {
      mPoint = 0.0001;
     }
  
   return(mPoint);
  }