


import random
import sys

from . import cryptomath_module as cryptomath

__a   				=      (
    r''' !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`'''
    r'''abcdefghijklmnopqrstuvwxyz{|}~'''
)




def 			__lowercase	(						_UpperCamelCase,    _UpperCamelCase,    _UpperCamelCase     )    ->None:







      """simple docstring"""

      if mode == "encrypt":
            if key_a == 1:
                  sys.exit(
                      '''The affine cipher becomes weak when key '''
                      '''A is set to 1. Choose different key'''     )
            if key_b == 0:
                  sys.exit(
                      '''The affine cipher becomes weak when key '''
                      '''B is set to 0. Choose different key'''     )
      if key_a < 0 or key_b < 0 or key_b > len(_UpperCamelCase     ) - 1:
            sys.exit(
                '''Key A must be greater than 0 and key B must '''
                f"""be between 0 and {len(_UpperCamelCase     ) - 1}."""     )
      if cryptomath.gcd(_UpperCamelCase,    len(_UpperCamelCase     )     ) != 1:
            sys.exit(
                f"""Key A {key_a} and the symbol set size {len(_UpperCamelCase     )} """
                '''are not relatively prime. Choose a different key.'''     )




def 			__lowercase	(						_UpperCamelCase,    _UpperCamelCase     )    ->str:







      """simple docstring"""

      lowercase   ,			lowercase			:   List[str]					   =		divmod(_UpperCamelCase,    len(_UpperCamelCase     )     )
      check_keys(_UpperCamelCase,    _UpperCamelCase,    '''encrypt'''     )
      lowercase			:   List[Any]					   =		''''''
      for symbol in message:
            if symbol in SYMBOLS:
                  lowercase			:   Optional[int]					   =		SYMBOLS.find(_UpperCamelCase     )
                  cipher_text += SYMBOLS[(sym_index * key_a + key_b) % len(_UpperCamelCase     )]
            else:
                  cipher_text += symbol
      return cipher_text




def 			__lowercase	(						_UpperCamelCase,    _UpperCamelCase     )    ->str:







      """simple docstring"""

      lowercase   ,			lowercase			:   List[str]					   =		divmod(_UpperCamelCase,    len(_UpperCamelCase     )     )
      check_keys(_UpperCamelCase,    _UpperCamelCase,    '''decrypt'''     )
      lowercase			:   List[str]					   =		''''''
      lowercase			:   Dict					   =		cryptomath.find_mod_inverse(_UpperCamelCase,    len(_UpperCamelCase     )     )
      for symbol in message:
            if symbol in SYMBOLS:
                  lowercase			:   Any					   =		SYMBOLS.find(_UpperCamelCase     )
                  plain_text += SYMBOLS[
                      (sym_index - key_b) * mod_inverse_of_key_a % len(_UpperCamelCase     )
                  ]
            else:
                  plain_text += symbol
      return plain_text




def 			__lowercase	(						)    ->int:







      """simple docstring"""

      while True:
            lowercase			:   Optional[int]					   =		random.randint(2,    len(_UpperCamelCase     )     )
            lowercase			:   Tuple					   =		random.randint(2,    len(_UpperCamelCase     )     )
            if cryptomath.gcd(_UpperCamelCase,    len(_UpperCamelCase     )     ) == 1 and key_b % len(_UpperCamelCase     ) != 0:
                  return key_b * len(_UpperCamelCase     ) + key_b




def 			__lowercase	(						)    ->None:







      """simple docstring"""

      lowercase			:   List[str]					   =		input('''Enter message: '''     ).strip()
      lowercase			:   Optional[int]					   =		int(input('''Enter key [2000 - 9000]: '''     ).strip()     )
      lowercase			:   Optional[Any]					   =		input('''Encrypt/Decrypt [E/D]: '''     ).strip().lower()

      if mode.startswith('''e'''     ):
            lowercase			:   str					   =		'''encrypt'''
            lowercase			:   int					   =		encrypt_message(_UpperCamelCase,    _UpperCamelCase     )
      elif mode.startswith('''d'''     ):
            lowercase			:   str					   =		'''decrypt'''
            lowercase			:   Dict					   =		decrypt_message(_UpperCamelCase,    _UpperCamelCase     )
      print(f"""\n{mode.title()}ed text: \n{translated}"""     )


if __name__ == "__main__":
  import doctest

  doctest.testmod()
  # main()





from __future__ import annotations




def 			__lowercase	(						_UpperCamelCase     )    ->list[int]:







      """simple docstring"""

      assert (
          isinstance(_UpperCamelCase,    _UpperCamelCase     ) and mask > 0
      ), f"""mask needs to be positive integer, your input {mask}"""
      lowercase			:   Optional[int]					   =		[]
      lowercase			:   Optional[int]					   =		mask

      while submask:
            all_submasks.append(_UpperCamelCase     )
            lowercase			:   Dict					   =		(submask - 1) & mask

      return all_submasks


if __name__ == "__main__":
  import doctest

  doctest.testmod()

