#ifndef TIMES_H
#define TIMES_H

#include <iostream>

/**
 * Times in this program are represented by three integers: H, M, & S, representing
 * the hours, minutes, and seconds, respecitvely.
 */


struct Time {
  // Create time objects
  Time(); // midnight
  Time (int h, int m, int s);

  // Access to attributes
  int getHours() const;
  int getMinutes() const;
  int getSeconds() const;

  // Calculations with time
  void add (Time delta);
  Time difference (Time fromTime);
  
  /**
   * Read a time (in the format HH:MM:SS) after skipping any
   * prior whitepace.
   */
  void read (std::istream& in);


  /**
   * Print a time in the format HH:MM:SS (two digits each)
   */
  void print (std::ostream& out) const;

  /**
   *  Compare two times. Return true iff time1 is earlier than or equal to
   *  time2
   */
  bool noLaterThan(const Time& time2);


  /**
   *  Compare two times. Return true iff time1 is equal to
   *  time2
   *
   */
  bool equalTo(const Time& time2);

  // From here on is hidden
  int secondsSinceMidnight;
};

inline
std::ostream& operator<< (std::ostream& out, const Time& t)
{
  t.print(out);
  return out;
}

inline
std::istream& operator>> (std::istream& in, Time& t)
{
  t.read(in);
  return in;
}

#endif // TIMES_H