#ifndef _TIMES_H
#define _TIMES_H

#include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/date_time/posix_time/posix_time_duration.hpp>
#include <boost/date_time/posix_time/posix_time_config.hpp>
#include <boost/date_time/local_time_adjustor.hpp>

#include <ctime>
#include <string>

namespace ledger {

using namespace boost::posix_time;
using namespace boost::date_time;

typedef ptime::time_duration_type time_duration;

class interval_t {};

inline ptime ptime_local_to_utc(const ptime& when) {
  struct std::tm tm_gmt = to_tm(when);
  return from_time_t(std::mktime(&tm_gmt));
}

// jww (2007-04-18): I need to make a general parsing function
// instead, and then make these into private methods.
inline ptime ptime_from_local_date_string(const std::string& date_string) {
  return ptime_local_to_utc(ptime(boost::gregorian::from_string(date_string),
				  time_duration()));
}

inline ptime ptime_from_local_time_string(const std::string& time_string) {
  return ptime_local_to_utc(time_from_string(time_string));
}

extern ptime now;

}

#endif /* _TIMES_H */