//+------------------------------------------------------------------+
//|                                                   MSA Test 1.mq5 |
//|                                               Gamuchirai Ndawana |
//|                    https://www.mql5.com/en/users/gamuchiraindawa |
//+------------------------------------------------------------------+
#property copyright "Gamuchirai Ndawana"
#property link      "https://www.mql5.com/en/users/gamuchiraindawa"
#property version   "1.00"

//+------------------------------------------------------------------+
//| Define system constants                                          |
//+------------------------------------------------------------------+
#define RSI_PRICE        PRICE_CLOSE
#define RSI_PERIOD       15
#define RSI_TIME_FRAME   PERIOD_D1
#define HOLDING_PERIOD   5

//+------------------------------------------------------------------+
//| Dependencies                                                     |
//+------------------------------------------------------------------+
#include <Trade\Trade.mqh>
#include <VolatilityDoctor\Time\Time.mqh>
#include <VolatilityDoctor\Trade\TradeInfo.mqh>
#include <VolatilityDoctor\Strategies\RSIMidPoint.mqh>

//+------------------------------------------------------------------+
//| Global Variables                                                 |
//+------------------------------------------------------------------+

//--- Custom Types
CTrade               Trade;
TradeInfo            *TradeInformation;
Time                 *TradeTime;
RSIMidPoint          *RSIMid;

//--- System Types
int    position_timer;

//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {
//--- Create dynamic instances of our custom types
   TradeTime        = new Time(Symbol(),RSI_TIME_FRAME);
   TradeInformation = new TradeInfo(Symbol(),RSI_TIME_FRAME);
   RSIMid           = new RSIMidPoint(Symbol(),RSI_TIME_FRAME,RSI_PERIOD,RSI_PRICE);

//--- Everything was fine
   return(INIT_SUCCEEDED);
  }
//--- End of OnInit Scope

//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
//--- Delete the dynamic objects
   delete TradeTime;
   delete TradeInformation;
   delete RSIMid;
  }
//--- End of Deinit Scope

//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
  {
//--- Check if a new daily candle has formed
   if(TradeTime.NewCandle())
     {
      //--- Update strategy
      Update();

      //--- If we have no open positions
      if(PositionsTotal() == 0)
        {
         //--- Reset the position timer
         position_timer = 0;

         //--- Check for a trading signal
         CheckSignal();
        }

      //--- Otherwise
      else
        {
         //--- The position has reached maturity
         if(position_timer == HOLDING_PERIOD)
            Trade.PositionClose(Symbol());

         //--- Otherwise keep holding
         else
            position_timer++;
        }
     }
  }
//--- End of OnTick Scope

//+------------------------------------------------------------------+
//| Update our technical indicators                                  |
//+------------------------------------------------------------------+
void Update(void)
  {
//--- Update the strategy
   RSIMid.Update();
  }
//--- End of Update Scope

//+------------------------------------------------------------------+
//| Check for a trading signal using our cross-over strategy         |
//+------------------------------------------------------------------+
void CheckSignal(void)
  {
//--- Long positions when RSI is below 50
   if(RSIMid.BuySignal())
     {
      Trade.Buy(TradeInformation.MinVolume(),Symbol(),TradeInformation.GetAsk(),0,0,"");
      return;
     }

//--- Otherwise short positions when the RSI is above 50
   else
      if(RSIMid.SellSignal())
        {
         Trade.Sell(TradeInformation.MinVolume(),Symbol(),TradeInformation.GetBid(),0,0,"");
         return;
        }
  }
//--- End of CheckSignal Scope

//+------------------------------------------------------------------+
//| Define system constants                                          |
//+------------------------------------------------------------------+
#undef RSI_PRICE       
#undef RSI_PERIOD       
#undef RSI_TIME_FRAME   
#undef HOLDING_PERIOD