class Rubyflake

# File lib/rubyflake.rb, line 34
def generate(epoch = Rubyflake::EPOCH)
  Rubyflake.new(epoch).generate()
end

# File lib/rubyflake.rb, line 10
def initialize(epoch = EPOCH)
  @epoch = epoch
end

# File lib/rubyflake.rb, line 38
def time(id, epoch = Rubyflake::EPOCH)
  Rubyflake.new(epoch).time(id)
end

# File lib/rubyflake.rb, line 14
def generate
  # Figure out how many milliseconds have occurred since epoch.
  milliseconds = ((Time.now().to_f - @epoch) * 1000).to_i

  # Generate 23 random bits.
  random_bits = Random.new.rand(0..Rubyflake::FLAKE_RANDOM_MAX)

  # Shift our timestamp over 23 bits to make room for the random bits,
  # and then add the two together.
  (milliseconds << Rubyflake::FLAKE_TIMESTAMP_SHIFT) + random_bits.to_i

end

# File lib/rubyflake.rb, line 29
def time(id)
  Time.at(((id >> Rubyflake::FLAKE_TIMESTAMP_SHIFT) + @epoch) / 1000)
end