module MissyElliott

# File lib/missy_elliott.rb, line 10
def self.decode(input)
  input.bytes.map do |byte|
    bits = byte.to_s(2).rjust(8, "0").split("")
    bits = flip_it(bits.reverse) # Reverse it and flip it
    bits.unshift(bits.pop).join.to_i(2).chr # Shift yo bits up
  end.join
end

# File lib/missy_elliott.rb, line 2
def self.encode(input)
  input.bytes.map do |byte|
    bits = byte.to_s(2).rjust(8, "0").split("")
    bits << bits.shift # Shift yo bits down
    flip_it(bits).reverse.join.to_i(2).chr # Flip it and reverse it
  end.join
end

# File lib/missy_elliott.rb, line 19
def self.flip_it(bits)
  bits.map do |bit|
    bit == "1" ? "0" : "1"
  end
end