// 22.5HV2 Software Engineering II
// Unit 2 Exercise 1

#include <iostream.h>
#include <iomanip.h>
#include "clock.h"

// Constructor core of class

Clock::Clock(int h=0, int m=0, int s=0): hour(h), minute(m), second(s) {normalise();}

// Core of methods

void Clock::tick() {
  second = second + 1;  // Add one second;
  normalise();
}

void Clock::show_time() {
   cout << setfill('0') << setw(2) << hour;
   cout << ":" << setw(2) << minute << ":" << setw(2) << second << endl;
}

void Clock::normalise() {
  minute = minute + second / 60; // change minute if second > 60
  hour = hour + minute/60;       // change hour if minute > 60
  minute = minute%60;            // modulo 60 minutes             
  hour = hour%24;                // modulo 24 hours
  second = second%60;            // modulo 60 seconds
}