class Clock

# File lib/a_clockwork_ruby/clock.rb, line 24
def self.from_i seconds
  self.new(seconds / 60**2 % 60**2, seconds / 60 % 60, seconds % 60)
end

# File lib/a_clockwork_ruby/clock.rb, line 5
def initialize(hour = nil, min = nil, sec = nil, usec = nil)
  if hour.nil?
    time = Time.now
    @hour = time.hour
    @min = time.min
    @sec = time.sec
    @usec = time.usec
  else
    @hour = hour
    @min = min || 0
    @sec = sec || 0
    @usec = usec || 0
  end
end

# File lib/a_clockwork_ruby/clock.rb, line 20
def self.now
  self.new
end

# File lib/a_clockwork_ruby/clock.rb, line 73
def <=> other
  time = Time.now
  to_time_helper(time) <=> other.send(:to_time_helper, time)
end

# File lib/a_clockwork_ruby/clock.rb, line 68
def == other
  time = Time.now
  to_time_helper(time) == other.send(:to_time_helper, time)
end

# File lib/a_clockwork_ruby/clock.rb, line 28
def hour= hour
  raise ArgumentError if hour < 0 or hour > 23
  @hour = hour
end

# File lib/a_clockwork_ruby/clock.rb, line 60
def inspect
  strfclock("%l:%M %p")
end

# File lib/a_clockwork_ruby/clock.rb, line 33
def min= min
  raise ArgumentError if min < 0 or min > 59
  @min = min
end

# File lib/a_clockwork_ruby/clock.rb, line 38
def sec= sec
  raise ArgumentError if sec < 0 or sec > 59
  @sec = sec
end

# File lib/a_clockwork_ruby/clock.rb, line 48
def strfclock format
  to_time.strftime(format)
end

# File lib/a_clockwork_ruby/clock.rb, line 64
def to_i
  @sec + (@min * 60) + (@hour * 60**2)
end

# File lib/a_clockwork_ruby/clock.rb, line 56
def to_s
  strfclock("%l:%M %p")
end

# File lib/a_clockwork_ruby/clock.rb, line 52
def to_time
  to_time_helper(Time.now)
end

# File lib/a_clockwork_ruby/clock.rb, line 43
def usec= usec
  raise ArgumentError if usec < 0 or usec > 999999
  @usec = usec
end

# File lib/a_clockwork_ruby/clock.rb, line 80
def to_time_helper(time)
  Time.mktime(time.year, time.month, time.day, @hour, @min, @sec, @usec)
end