DtDeTimeManager.h

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/******************************************************************************
** Copyright (c) 2021 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvCore/vrvCore.h>

#include <vrvUtil/DtVirtualBaseClass.h>

#include <makArchives/DtDateTimeRecord.h>
#include <vrvUtil/signalslib.h>
#include <math.h>

namespace makVrv
{
   class DtDe;

   class DT_DLL_VRVCORE DtDeTimeManager : public DtVirtualBaseClass
   {
   public:

      enum Month
      {
         January = 1,
         February,
         March,
         April,
         May,
         June,
         July,
         August,
         September,
         October,
         November,
         December
      };

      // Default startup values for Day/Time in VR-Vantage
      const static int theDefaultYear;
      const static Month theDefaultMonth;
      const static int theDefaultDayOfTheMonth;
      const static int theDefaultHours;
      const static int theDefaultMinutes;
      const static double theDefaultSeconds;
      const static double theDefaultTimeScaleFactor;

   public:
      friend class DtDeTimeManagerCreator;

      virtual ~DtDeTimeManager();

   protected:
      DtDeTimeManager(DtDe& de);
   

   public:
      //virtual void setReferenceDateAndTime(int daysAfterEpoch,double secondsInDay);
      virtual void setReferenceDateAndTime(int year, Month month,int dayOfMonth,
         int hours, int minutes,double seconds);

      virtual void getReferenceDateAndTime(int& year, Month& month,int& dayOfMonth,
         int& hours, int& minutes, double& seconds) const;

      virtual void syncReferenceDateAndTime();

      virtual void setUseGlobalTimeZone(bool);

      virtual bool useGlobalTimeZone() const;

      virtual void calculateCurrentDateAndTime(int& year, Month& month, int& dayOfMonth,
         int& hour, int& minutes,double& seconds) const;

      static bool isYearALeapYear(int year);

      static int daysInTheMonthOf(int year, Month month);

      static Month nextMonth(Month month);  

      virtual double timeScale() const;

      virtual void setTimeScale(double timeScale);

      virtual void getRecord(makArchives::DtDateTimeRecord& record) const;

      boost::signalslib::signal<void (int year, Month month, int day)> signal_dateChanged;

      boost::signalslib::signal<void (bool)> signal_useGlobalTimeZoneChanged;

   protected:

      double timeSinceSet() const;

      DtDe& myDe;
      
      int myYear;
      Month myMonth;
      int myDayOfTheMonth;     
      int myHours;
      int myMinutes;
      double mySeconds;


      double mySimulationTimeAtSet;

      double myTimeScaleFactor;

      bool myUseGlobalTimeZone;
   };

   class DT_DLL_VRVCORE DtDeTimeManagerCreator : public DtVirtualBaseClass
   {

   public:

      static DtDeTimeManagerCreator& instance(DtDe&);

      static void registerInstance(DtDe& de, DtDeTimeManagerCreator*);

      virtual DtDeTimeManager* create(DtDe& de);

   };

}