from collections import Counter
from ciphers.caesar import CaesarCipher
from easybits import Bits

class CaesarCracker:

    def crack_caesar(self, ciphertext):

        freq = Counter(ciphertext)

        most_common_cipher_char = freq.most_common(1)[0][0]
        
        space_int = Bits(' ').int
        cipher_int = Bits(most_common_cipher_char).int
        
        secret = cipher_int - space_int

        return secret

def crack_caesar(ciphertext):
    cracker = CaesarCracker()
    return cracker.crack_caesar(ciphertext)