# same as time2.py EXCEPT that uses only one attribute - seconds - to represent time internally.
# The API/interface - i.e. the methods available to users of the class - remains
# exactly the same. Users don't need to know about attributes used to represent
# things internally.

def hmsToSeconds(hours,minutes,seconds):
    return (hours*3600) + (minutes*60) + seconds

def secondsToHMS(seconds):
    hours = seconds // 3600
    remSeconds = seconds - (hours*3600)
    minutes = remSeconds // 60
    seconds = remSeconds - (minutes * 60)
    return(hours,minutes,seconds)

class Time:
    '''class for representing time (in seconds from 0 to 23 hours, 59 minutes, 59 seconds.)'''

    def __init__(self,  hour = 0, minutes = 0, seconds = 0):
        self.seconds = hmsToSeconds(hour, minutes, seconds)

    def __repr__(self):
        (h,m,s) = secondsToHMS(self.seconds)
        return "Time({}, {}, {})".format(h,m,s)

    def __str__(self):
        (h,m,s) = secondsToHMS(self.seconds)
        ampm = "AM" if h <12 else "PM"
        return "{:02d}:{:02d}:{:02d} {}".format(h%12, m, s, ampm)
    
    def __add__(self, seconds):
        return self.later(seconds)

    def __radd__(self, seconds):
         return self.later(seconds)

    def __lt__(self, otherTime):
         return self.timeInSeconds() < otherTime.timeInSeconds()
        
    def __eq__(self, otherTime):
          return self.timeInSeconds() == otherTime.timeInSeconds()
    
    def increment(self, seconds):
        '''time.increment(seconds) -> None. Modify time to be seconds later than time's current value'''
        newSeconds = self.seconds + seconds
        newSeconds = newSeconds % (24*3600)
        self.seconds = newSeconds

    def later(self, seconds):
        '''time.later(seconds) -> Time. return a new Time object that is seconds later than time's time'''
        (h,m,s) = secondsToHMS(self.seconds)
        laterTime = Time(h,m,s)
        laterTime.increment(seconds)
        return laterTime
    
    def timeInSeconds(self):
        '''returns time as number of seconds since beginning of day/midnight'''
        return self.seconds

    def getHours(self):
        (h,m,s) = secondsToHMS(self.seconds)
        return h
    
def testTime():
    t1 = Time(1, 23, 59)
    print(t1)

    t1.increment(5)
    print(t1)
    
    t1.increment(23*3600 + 3599)
    print(t1)
       
def testTime2():
    t2 = Time(11, 59, 59)
    print('t2 is: ', t2)
    
    t3 = t2.later(2)
    print('t3 is: ', t3)
    print('t2 is: ', t2)

def testTime3():
    t2 = Time(11, 59, 59)
    print(t2 + 2)
    print(3 + t2)