#include "trick/exec_proto.h"
#include "trick/SimTime.hh"

#define GET_TIME( GMT , offset ) \
 { \
  double temp ; \
 \
  /* Convert the met to a gmt format */ \
  temp = ( exec_get_sim_time() + offset ) / 86400.0 ; \
  GMT.day  = (int)temp ; \
  temp = (temp - (double)(GMT.day)) * 24.0 ; \
  GMT.hour = (int)temp ; \
  temp = (temp - (double)(GMT.hour)) * 60.0 ; \
  GMT.min  = (int)temp ; \
  GMT.sec = (temp - (double)(GMT.min)) * 60.0 ; \
}

Trick::SimTime * the_simtime ;

Trick::SimTime::SimTime() {

    gmt_ref.day = 0 ;
    gmt_ref.hour = 0 ;
    gmt_ref.min = 0 ;
    gmt_ref.sec = 0 ;

    met_ref.day = 0 ;
    met_ref.hour = 0 ;
    met_ref.min = 0 ;
    met_ref.sec = 0 ;

    the_simtime = this ;
}

int Trick::SimTime::init_times() {

    gmt_sec_ref = gmt_ref.day * 86400
                + gmt_ref.hour * 3600
                + gmt_ref.min * 60
                + gmt_ref.sec;

    met_sec_ref = met_ref.day * 86400
                + met_ref.hour * 3600
                + met_ref.min * 60
                + met_ref.sec;

    return 0 ;
}

double Trick::SimTime::get_rettime() {
    
    return(exec_get_sim_time());

}

double Trick::SimTime::get_gmttime() {
    
    return(exec_get_sim_time() + gmt_sec_ref);

}

double Trick::SimTime::get_mettime() {
    
    return(exec_get_sim_time() + met_sec_ref);

}

TIME_OFFSET * Trick::SimTime::get_rettime_struct() {
    
    GET_TIME(ret_time, 0.0);

    return(&ret_time) ;
}

TIME_OFFSET * Trick::SimTime::get_gmttime_struct() {
    
    GET_TIME(gmt_time, gmt_sec_ref);

    return(&gmt_time) ;
}

TIME_OFFSET * Trick::SimTime::get_mettime_struct() {
    
    GET_TIME(met_time, met_sec_ref);

    return(&met_time) ;
}