//+------------------------------------------------------------------+
//|                                            EntriesManagement.mqh |
//|                        Copyright 2021, Nkondog Anselme Venceslas |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, Nkondog Anselme Venceslas"
#property link      "https://www.mql5.com"

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+

//Evaluate if there is an entry signal
void EvaluateEntry()
  {
   Print("Min stop loss ", gMinStopLoss);
   if(!gIsSpreadOK)
     {
      Print("At "+SymbolInfoInteger(gSymbol, SYMBOL_SPREAD)+" for "+InpMaxSpread+" Spread is too high to open a position");
      gSignalEntry=SIGNAL_ENTRY_NEUTRAL;
      return;    //If the spread is too high don't give an entry signal
     }
   if(InpUseTradingHours && !gIsOperatingHours)
     {
      gSignalEntry=SIGNAL_ENTRY_NEUTRAL;
      Print("It's not trading time");
      return;      //If you are using trading hours and it's not a trading hour don't give an entry signal
     }
  }


//Execute entry if there is an entry signal
void ExecuteEntry()
  {
//If there is no entry signal no point to continue, exit the function
   if(gSignalEntry==SIGNAL_ENTRY_NEUTRAL)
      return;
   int Operation;
   double OpenPrice=0;
   double StopLossPrice=0;
   double TakeProfitPrice=0;
   double StopLossPoints=0.0;
//If there is a Buy entry signal
   if(gSignalEntry==SIGNAL_ENTRY_BUY)
     {
      Print("In buy execution");
      Operation=ORDER_TYPE_BUY; //Set the operation to BUY
      OpenPrice=last_tick.ask;    //Set the open price to Ask price
      //If the Stop Loss is fixed and the default stop loss is set
      if(InpStopLossMode==SL_FIXED && InpDefaultStopLoss>0)
        {
         StopLossPrice=OpenPrice-InpDefaultStopLoss*Point();
        }
      //If the Stop Loss is automatic
      if(InpStopLossMode==SL_AUTO)
        {
         StopLossPrice=gCandleLow;
        }
      //If the Take Profix price is fixed and defined
      if(InpTakeProfitMode==TP_FIXED && InpDefaultTakeProfit>0)
        {
         TakeProfitPrice=OpenPrice+InpDefaultTakeProfit*Point();
        }
      StopLossPoints = MathCeil(MathAbs(OpenPrice-StopLossPrice)/_Point);
      if(gMinStopLoss > StopLossPoints)
        {
         StopLossPrice = OpenPrice-(gMinStopLoss*_Point);
        }

      //If the Take Profit is automatic
      if(InpTakeProfitMode==TP_AUTO)
        {
         //Set the Take Profit to the custom take profit price
         TakeProfitPrice=OpenPrice+((OpenPrice-StopLossPrice)*InpTakeProfitPercent);
        }
      Print("Stop loss ", StopLossPrice, " Digits ", Digits());

      OpenPrice=NormalizeDouble(OpenPrice,Digits());
      StopLossPrice=NormalizeDouble(StopLossPrice,Digits());
      TakeProfitPrice=NormalizeDouble(TakeProfitPrice,Digits());
      //Submit the order
      SendOrder(Operation,Symbol(),OpenPrice,StopLossPrice,TakeProfitPrice);
     }

   if(gSignalEntry==SIGNAL_ENTRY_SELL)
     {
      Print("In sell execution");
      Operation=ORDER_TYPE_SELL; //Set the operation to SELL
      OpenPrice=last_tick.bid;    //Set the open price to Ask price
      //If the Stop Loss is fixed and the default stop loss is set
      if(InpStopLossMode==SL_FIXED && InpDefaultStopLoss>0)
        {
         StopLossPrice=OpenPrice+InpDefaultStopLoss*Point();
        }
      //If the Stop Loss is automatic
      if(InpStopLossMode==SL_AUTO)
        {
         StopLossPrice=gCandleHigh;
        }
      StopLossPoints = MathCeil(MathAbs(OpenPrice-StopLossPrice)/_Point);
      if(gMinStopLoss > StopLossPoints)
        {
         StopLossPrice = OpenPrice+(gMinStopLoss*_Point);
        }

      //If the Take Profix price is fixed and defined
      if(InpTakeProfitMode==TP_FIXED && InpDefaultTakeProfit>0)
        {
         TakeProfitPrice=OpenPrice-InpDefaultTakeProfit*Point();
        }
      //If the Take Profit is automatic
      if(InpTakeProfitMode==TP_AUTO)
        {
         //Set the Take Profit to the custom take profit price
         TakeProfitPrice=OpenPrice-((StopLossPrice-OpenPrice)*InpTakeProfitPercent);
         Print(" TakeProfitPrice=OpenPrice-((StopLossPrice-OpenPrice)*InpTakeProfitPercent) ", TakeProfitPrice);
         //Alert("Take profit ", (rangeScope*takeprofitpercent));
        }

      //Normalize the digits for the float numbers
      OpenPrice=NormalizeDouble(OpenPrice,Digits());
      StopLossPrice=NormalizeDouble(StopLossPrice,Digits());
      TakeProfitPrice=NormalizeDouble(TakeProfitPrice,Digits());
      //Submit the order
      SendOrder(Operation,Symbol(),OpenPrice,StopLossPrice,TakeProfitPrice);
     }
  }

//Send Order Function adjusted to handle errors and retry multiple times
void SendOrder(int Command, string Instrument, double OpenPrice, double SLPrice, double TPPrice, datetime Expiration=0)
  {
   MqlTradeRequest request= {};
   MqlTradeResult  result= {};

//Retry a number of times in case the submission fails
   for(int i=1; i<=gOrderOpRetry; i++)
     {
      //Set the color for the open arrow for the order
      /*color OpenColor=clrBlueViolet;
      if(Command==OP_BUY)
        {
         OpenColor=clrChartreuse;
        }
      if(Command==OP_SELL)
        {
         OpenColor=clrDarkTurquoise;
        }*/
      //Calculate the position size, if the lot size is zero then exit the function
      double SLPoints=0;
      Print("Stop loss ", SLPrice, " Open price ", OpenPrice);
      //If the Stop Loss price is set then find the points of distance between open price and stop loss price, and round it
      if(SLPrice>0)
         SLPoints=MathCeil(MathAbs(OpenPrice-SLPrice)/_Point);

      LotSizeCalculate(SLPoints);
      //If the position size is zero then exit and don't submit any orderInit

      Print("Stop loss en point ", SLPoints);
      if(gLotSize==0)
         return;

      request.action       =TRADE_ACTION_DEAL;                     // type de l'opération de trading
      request.symbol       =Instrument;                              // symbole
      request.volume       =gLotSize;                                   // volume de 0.1 lot
      request.type         =Command;                        // type de l'ordre
      request.price        =SYMBOL_TRADE_EXECUTION_MARKET; // prix d'ouverture
      request.sl           =NormalizeDouble(SLPrice,Digits());
      request.tp           =NormalizeDouble(TPPrice,Digits());
      request.type_filling =ORDER_FILLING_FOK;
      request.deviation    =InpSlippage;
      request.expiration   =Expiration;                             // déviation du prix autorisée
      request.magic        =InpMagicNumber;
      //Submit the order

      //Trade.SellStop(mVolume, NormalizeDouble(request.price,mDigits), mSymbol);
      //Trade.BuyStop(mVolume, request.price, mSymbol);

      if(!OrderSend(request,result))
         PrintFormat("OrderSend erreur %d",GetLastError());     // en cas d'erreur d'envoi de la demande, affiche le code d'erreur
      if(GetLastError()==4756)
         break;
      //--- informations de l'opération
      PrintFormat("retcode=%u  transaction=%I64u  ordre=%I64u",result.retcode,result.deal,result.order);

      if(result.retcode == TRADE_RETCODE_DONE && result.order != 0)
         break;
     }
   return;
  }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void entryConditions()
  {

   gSignalEntry = SIGNAL_ENTRY_NEUTRAL;

   Print("CandleHigh ", gCandleHigh, " candleLow ", gCandleLow, " candleClose ", gCandleClose, " candleOpen ", gCandleOpen, " gSma ", gSma);
   Print("Bid ", last_tick.bid, " Ask ", last_tick.ask);

//Bear candle
   if(gCandleOpen > gCandleClose)
     {
      if(gCandleHigh > gSma && gSma > gCandleLow && last_tick.bid < gSma && gSma < gSsma)
        {
         if(gTotalOpenSell==0)
           {
            gSignalEntry = SIGNAL_ENTRY_SELL;
            Print("Sell signal");
           }
        }
     }

//Bull candle
   if(gCandleOpen < gCandleClose)
     {
      if(gCandleHigh > gSma && gSma > gCandleLow && last_tick.ask > gSma && gSma > gSsma)
        {
         if(gTotalOpenBuy==0)
           {
            gSignalEntry = SIGNAL_ENTRY_BUY;
            Print("Buy signal");
           }
        }
     }
  }
//+------------------------------------------------------------------+