#include "stdstuff.h"
#include "Time.h"

Time::Time () {
  totalSecs = 0;
}


Time::Time (int hrs, int mins, int secs) {

  if (!timeIsValid (hrs, mins, secs)) {
    throw invalid_argument ("Time::Time - invalid time");
  }
  totalSecs = convertToTotalSecs (hrs, mins, secs);

}


Time Time::timeAfter (const Time &otherTime) const {

  Time result;

  if (otherTime.totalSecs > totalSecs) {
    throw invalid_argument ("Time::TimeAfter - other time is not earlier");
  }

  result.totalSecs = totalSecs - otherTime.totalSecs;

  return result;

}


void Time::multiplyBy (double x) {

  if (x < 0) {
    throw invalid_argument ("Time::multiplyBy - invalid multiplier");
  }

  totalSecs = (int) ((totalSecs * x) + 0.5);

}