//*******************************************************************
//
// IMPLEMENTATION FILE (Time.cpp)
// This file implements the Time member functions
//******************************************************************
#include <time.h> // required for system calls in default constructor
#include <iostream>
#include "Time.h"
//******************************************************************
void Time::Set( /* in */ int hours, /* in */ int minutes,
                    /* in */ int seconds )
// Precondition:
//     0 <= hours <= 23  &&  0 <= minutes <= 59  && 0 <= seconds <= 59
// Postcondition:
//     hrs == hours  &&  mins == minutes  &&  secs == seconds
{
    hrs = hours; mins = minutes; secs = seconds;
}
//******************************************************************
void Time::Increment()
// Postcondition:
//     Time has been advanced by one second, with
//     23:59:59 wrapping around to 0:0:0
{
    secs++;
    if (secs > 59)
    {
        secs = 0; mins++;
        if (mins > 59)
        {
            mins = 0; hrs++;
            if (hrs > 23)
                hrs = 0;
        }
    }
}
//******************************************************************
 void Time::Write() const
// Postcondition:
//     Time has been output in the form HH:MM:SS
{
    if (hrs < 10)
        cout << '0';
    cout << hrs << ':';
    if (mins < 10)
        cout << '0';
    cout << mins << ':';
    if (secs < 10)
        cout << '0';
    cout << secs;
}
//******************************************************************
bool Time::Equal( /* in */ Time otherTime ) const
// Postcondition:
//     Function value == true, if this time equals otherTime
//                    == false, otherwise
{
    return (hrs == otherTime.hrs && mins == otherTime.mins &&
            secs == otherTime.secs);
}
//******************************************************************
bool Time::LessThan( /* in */ Time otherTime ) const
// Precondition:
//   This time and otherTime represent times in the same day
// Postcondition:
//     Function value == true, if this time is earlier
//                             in the day than otherTime
//                    == false, otherwise
{
    return (hrs < otherTime.hrs ||
            hrs == otherTime.hrs && mins < otherTime.mins ||
            hrs == otherTime.hrs && mins == otherTime.mins
                                 && secs < otherTime.secs);
}
//******************************************************************
int Time::Hours() const
// Postcondition:
//     Return value is hrs
{ return hrs; }
//******************************************************************
int Time::Minutes() const
// Postcondition:
//     Return value is mins
{ return mins; }
//******************************************************************
int Time::Seconds() const
// Postcondition:
//     Return value is seconds
{ return secs; }
//******************************************************************
Time::Time()
    // Defualt constructor
    // Postcondition:
    //    Time is set to current time
{
    time_t rawtime;
    struct tm * timeinfo;
    time ( &rawtime );
    timeinfo = localtime ( &rawtime );
    hrs = timeinfo->tm_hour;
    mins = timeinfo->tm_min;
    secs = timeinfo->tm_sec;
}    
//******************************************************************
Time::Time( /* in */ int hours, /* in */ int minutes,
            /* in */ int seconds )
// Precondition:
//     0 <= hours <= 23  &&  0 <= minutes <= 59
//  && 0 <= seconds <= 59
// Postcondition:
//     hrs == hours  &&  mins == minutes  &&  secs == seconds
{
    hrs = hours; mins = minutes; secs = seconds;
}