//+------------------------------------------------------------------+
//|                                                      MTTimer.mqh |
//|                                                             MRBC |
//|                                                                  |
//+------------------------------------------------------------------+
#property copyright "MRBC"
#property version "1.0.0"

enum TimeSlot
  {
   TS_every_4_hrs = 3600*4,
   TS_every_12_hrs = 3600*12,
   TS_every_24_hrs = 3600 * 24,
  };

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
class MTTimer
  {
private:
   datetime          m_base_time;
   datetime          m_alert_time;
   bool              m_has_alert;


public:
   bool              has_triggered()
     {
      datetime t_time= TimeCurrent();
      return TimeCurrent() >= m_alert_time;
     }
   bool              has_set_alert() { return m_has_alert; }
   void              set_base_time(datetime time) { m_base_time = time; }
   void              set_alert_time(datetime time) { m_alert_time = time; }
   void              reset_alert_set() { m_has_alert = false;}
   void              roll_base_time() { m_base_time = m_alert_time; }

   void              set_alert_from_base_24hrs() { m_alert_time = (m_base_time + TS_every_24_hrs); m_has_alert = true;}
   void              set_alert_from_base_12hrs() { m_alert_time = (m_base_time + TS_every_12_hrs); m_has_alert = true;}
   void              set_alert_from_base_4hrs() { m_alert_time = (m_base_time + TS_every_4_hrs); m_has_alert = true;}



   datetime          get_24_from_now() { return TimeCurrent() + TS_every_24_hrs; }
   datetime          get_12_from_now() { return TimeCurrent() + TS_every_12_hrs; }
   datetime          get_4_from_now()  { return TimeCurrent() + TS_every_4_hrs; }

   void              set_alert_24hrs() { m_alert_time = get_24_from_now(); m_has_alert = true;}
   void              set_alert_12hrs() { m_alert_time = get_12_from_now(); m_has_alert = true;}
   void              set_alert_4hrs() { m_alert_time = get_4_from_now(); m_has_alert = true;}


   void              MTTimer(datetime base_time, datetime alert_time)
     {
      m_alert_time = alert_time;
      m_base_time = base_time;
      m_has_alert = false;
     }

   void              MTTimer(datetime base_time)
     {
      m_base_time = base_time;
      m_alert_time = -1;
      m_has_alert = false;
     }

   void              MTTimer()
     {
      m_base_time = TimeCurrent();
      m_alert_time = -1;
      m_has_alert = false;
     }


  };

//+------------------------------------------------------------------+