import importlib
import os

import fsspec
import pytest
from fsspec import register_implementation
from fsspec.registry import _registry as _fsspec_registry

from datasets.filesystems import COMPRESSION_FILESYSTEMS, HfFileSystem, extract_path_from_uri, is_remote_filesystem

from .utils import require_lza, require_zstandard






def 				__lowerCamelCase		(						lowerCAmelCase__     ):
       assert "mock" in _fsspec_registry
       assert "bz2" in _fsspec_registry






def 				__lowerCamelCase		(						):
       assert "mock" not in _fsspec_registry
       assert "bz2" in _fsspec_registry






def 				__lowerCamelCase		(						):
       lowerCAmelCase__					     = 'mock-s3-bucket'
       lowerCAmelCase__					     = F"""s3://{mock_bucket}"""
       lowerCAmelCase__					     = extract_path_from_uri(lowerCAmelCase__     )
       assert dataset_path.startswith('s3://'     ) is False

       lowerCAmelCase__					     = './local/path'
       lowerCAmelCase__					     = extract_path_from_uri(lowerCAmelCase__     )
       assert dataset_path == new_dataset_path






def 				__lowerCamelCase		(						lowerCAmelCase__     ):
       lowerCAmelCase__					     = is_remote_filesystem(lowerCAmelCase__     )
       assert is_remote is True

       lowerCAmelCase__					     = fsspec.filesystem('file'     )

       lowerCAmelCase__					     = is_remote_filesystem(lowerCAmelCase__     )
       assert is_remote is False






@pytest.mark.parametrize('compression_fs_class'     ,  lowerCAmelCase__     )
def 				__lowerCamelCase		(						lowerCAmelCase__     ,  lowerCAmelCase__     ,  lowerCAmelCase__     ,  lowerCAmelCase__     ,  lowerCAmelCase__     ,  lowerCAmelCase__     ,  lowerCAmelCase__     ):
       lowerCAmelCase__					     = {'gzip': gz_file, 'xz': xz_file, 'zstd': zstd_file, 'bz2': bza_file, 'lz4': lza_file}
       lowerCAmelCase__					     = input_paths[compression_fs_class.protocol]
       if input_path is None:
              lowerCAmelCase__					     = F"""for '{compression_fs_class.protocol}' compression protocol, """
              if compression_fs_class.protocol == "lz4":
                     reason += require_lza.kwargs["reason"]
              elif compression_fs_class.protocol == "zstd":
                     reason += require_zstandard.kwargs["reason"]
              pytest.skip(lowerCAmelCase__     )
       lowerCAmelCase__					     = fsspec.filesystem(compression_fs_class.protocol     ,  fo=lowerCAmelCase__     )
       assert isinstance(lowerCAmelCase__     ,  lowerCAmelCase__     )
       lowerCAmelCase__					     = os.path.basename(lowerCAmelCase__     )
       lowerCAmelCase__					     = expected_filename[: expected_filename.rindex('.'     )]
       assert fs.glob('*'     ) == [expected_filename]
       with fs.open(lowerCAmelCase__     ,  'r'     ,  encoding='utf-8'     ) as f, open(lowerCAmelCase__     ,  encoding='utf-8'     ) as expected_file:
              assert f.read() == expected_file.read()






@pytest.mark.parametrize('protocol'     ,  ['zip', 'gzip']     )
def 				__lowerCamelCase		(						lowerCAmelCase__     ,  lowerCAmelCase__     ,  lowerCAmelCase__     ):
       lowerCAmelCase__					     = {'zip': zip_jsonl_path, 'gzip': jsonl_gz_path}
       lowerCAmelCase__					     = compressed_file_paths[protocol]
       lowerCAmelCase__					     = 'dataset.jsonl'
       lowerCAmelCase__					     = F"""{protocol}://{member_file_path}::{compressed_file_path}"""
       lowerCAmelCase__     , *lowerCAmelCase__					     = fsspec.get_fs_token_paths(lowerCAmelCase__     )
       assert fs.isfile(lowerCAmelCase__     )
       assert not fs.isfile('non_existing_' + member_file_path     )






@pytest.mark.integration
def 				__lowerCamelCase		(						lowerCAmelCase__     ,  lowerCAmelCase__     ,  lowerCAmelCase__     ,  lowerCAmelCase__     ):
       lowerCAmelCase__					     = hf_api.dataset_info(lowerCAmelCase__     ,  token=lowerCAmelCase__     )
       lowerCAmelCase__					     = HfFileSystem(repo_info=lowerCAmelCase__     ,  token=lowerCAmelCase__     )
       assert sorted(hffs.glob('*'     )     ) == [".gitattributes", "data"]
       assert hffs.isdir('data'     )
       assert hffs.isfile('.gitattributes'     ) and hffs.isfile('data/text_data.txt'     )
       with open(lowerCAmelCase__     ) as f:
              assert hffs.open('data/text_data.txt'     ,  'r'     ).read() == f.read()






def 				__lowerCamelCase		(						):
       lowerCAmelCase__					     = 'bz2'

       # Import module
       import datasets.filesystems

       # Overwrite protocol and reload
       register_implementation(lowerCAmelCase__     ,  lowerCAmelCase__     ,  clobber=lowerCAmelCase__     )
       with pytest.warns(lowerCAmelCase__     ) as warning_info:
              importlib.reload(datasets.filesystems     )

       assert len(lowerCAmelCase__     ) == 1
       assert (
           str(warning_info[0].message     )
           == F"""A filesystem protocol was already set for {protocol} and will be overwritten."""
       )

from __future__ import annotations

lowerCAmelCase__     						=			tuple[int, int, int]
lowerCAmelCase__     						=			tuple[str, str, str]


# used alphabet --------------------------
# from string.ascii_uppercase
lowerCAmelCase__     						=			'ABCDEFGHIJKLMNOPQRSTUVWXYZ'

# -------------------------- default selection --------------------------
# rotors --------------------------
lowerCAmelCase__     						=			'EGZWVONAHDCLFQMSIPJBYUKXTR'
lowerCAmelCase__     						=			'FOBHMDKEXQNRAULPGSJVTYICZW'
lowerCAmelCase__     						=			'ZJXESIUQLHAVRMDOYGTNFWPBKC'
# reflector --------------------------
lowerCAmelCase__     						=			{
    'A': 'N',
    'N': 'A',
    'B': 'O',
    'O': 'B',
    'C': 'P',
    'P': 'C',
    'D': 'Q',
    'Q': 'D',
    'E': 'R',
    'R': 'E',
    'F': 'S',
    'S': 'F',
    'G': 'T',
    'T': 'G',
    'H': 'U',
    'U': 'H',
    'I': 'V',
    'V': 'I',
    'J': 'W',
    'W': 'J',
    'K': 'X',
    'X': 'K',
    'L': 'Y',
    'Y': 'L',
    'M': 'Z',
    'Z': 'M',
}

# -------------------------- extra rotors --------------------------
lowerCAmelCase__     						=			'RMDJXFUWGISLHVTCQNKYPBEZOA'
lowerCAmelCase__     						=			'SGLCPQWZHKXAREONTFBVIYJUDM'
lowerCAmelCase__     						=			'HVSICLTYKQUBXDWAJZOMFGPREN'
lowerCAmelCase__     						=			'RZWQHFMVDBKICJLNTUXAGYPSOE'
lowerCAmelCase__     						=			'LFKIJODBEGAMQPXVUHYSTCZRWN'
lowerCAmelCase__     						=			'KOAEGVDHXPQZMLFTYWJNBRCIUS'






def 				__lowerCamelCase		(						lowerCAmelCase__     ,  lowerCAmelCase__     ,  lowerCAmelCase__     ):
       # Checks if there are 3 unique rotors

       if (unique_rotsel := len(set(lowerCAmelCase__     )     )) < 3:
              lowerCAmelCase__					     = F"""Please use 3 unique rotors (not {unique_rotsel})"""
              raise Exception(lowerCAmelCase__     )

       # Checks if rotor positions are valid
       lowerCAmelCase__     , lowerCAmelCase__     , lowerCAmelCase__					     = rotpos
       if not 0 < rotorposa <= len(lowerCAmelCase__     ):
              lowerCAmelCase__					     = F"""First rotor position is not within range of 1..26 ({rotorposa}"""
              raise ValueError(lowerCAmelCase__     )
       if not 0 < rotorposa <= len(lowerCAmelCase__     ):
              lowerCAmelCase__					     = F"""Second rotor position is not within range of 1..26 ({rotorposa})"""
              raise ValueError(lowerCAmelCase__     )
       if not 0 < rotorposa <= len(lowerCAmelCase__     ):
              lowerCAmelCase__					     = F"""Third rotor position is not within range of 1..26 ({rotorposa})"""
              raise ValueError(lowerCAmelCase__     )

       # Validates string and returns dict
       lowerCAmelCase__					     = _plugboard(lowerCAmelCase__     )

       return rotpos, rotsel, pbdict






def 				__lowerCamelCase		(						lowerCAmelCase__     ):

       # tests the input string if it
       # a) is type string
       # b) has even length (so pairs can be made)
       if not isinstance(lowerCAmelCase__     ,  lowerCAmelCase__     ):
              lowerCAmelCase__					     = F"""Plugboard setting isn't type string ({type(lowerCAmelCase__     )})"""
              raise TypeError(lowerCAmelCase__     )
       elif len(lowerCAmelCase__     ) % 2 != 0:
              lowerCAmelCase__					     = F"""Odd number of symbols ({len(lowerCAmelCase__     )})"""
              raise Exception(lowerCAmelCase__     )
       elif pbstring == "":
              return {}

       pbstring.replace(' '     ,  ''     )

       # Checks if all characters are unique
       lowerCAmelCase__					     = set()
       for i in pbstring:
              if i not in abc:
                     lowerCAmelCase__					     = F"""'{i}' not in list of symbols"""
                     raise Exception(lowerCAmelCase__     )
              elif i in tmppbl:
                     lowerCAmelCase__					     = F"""Duplicate symbol ({i})"""
                     raise Exception(lowerCAmelCase__     )
              else:
                     tmppbl.add(lowerCAmelCase__     )
       del tmppbl

       # Created the dictionary
       lowerCAmelCase__					     = {}
       for j in range(0     ,  len(lowerCAmelCase__     ) - 1     ,  2     ):
              lowerCAmelCase__					     = pbstring[j + 1]
              lowerCAmelCase__					     = pbstring[j]

       return pb






def 				__lowerCamelCase		(						lowerCAmelCase__     ,  lowerCAmelCase__     ,  lowerCAmelCase__ = (rotora, rotora, rotora)     ,  lowerCAmelCase__ = ""     ,  ):
       lowerCAmelCase__					     = text.upper()
       lowerCAmelCase__     , lowerCAmelCase__     , lowerCAmelCase__					     = _validator(
           lowerCAmelCase__     ,  lowerCAmelCase__     ,  plugb.upper()     )

       lowerCAmelCase__     , lowerCAmelCase__     , lowerCAmelCase__					     = rotor_position
       lowerCAmelCase__     , lowerCAmelCase__     , lowerCAmelCase__					     = rotor_selection
       rotorposa -= 1
       rotorposa -= 1
       rotorposa -= 1

       lowerCAmelCase__					     = []

       # encryption/decryption process --------------------------
       for symbol in text:
              if symbol in abc:
                     # 1st plugboard --------------------------
                     if symbol in plugboard:
                            lowerCAmelCase__					     = plugboard[symbol]

                     # rotor ra --------------------------
                     lowerCAmelCase__					     = abc.index(lowerCAmelCase__     ) + rotorposa
                     lowerCAmelCase__					     = rotora[index % len(lowerCAmelCase__     )]

                     # rotor rb --------------------------
                     lowerCAmelCase__					     = abc.index(lowerCAmelCase__     ) + rotorposa
                     lowerCAmelCase__					     = rotora[index % len(lowerCAmelCase__     )]

                     # rotor rc --------------------------
                     lowerCAmelCase__					     = abc.index(lowerCAmelCase__     ) + rotorposa
                     lowerCAmelCase__					     = rotora[index % len(lowerCAmelCase__     )]

                     # reflector --------------------------
                     # this is the reason you don't need another machine to decipher

                     lowerCAmelCase__					     = reflector[symbol]

                     # 2nd rotors
                     lowerCAmelCase__					     = abc[rotora.index(lowerCAmelCase__     ) - rotorposa]
                     lowerCAmelCase__					     = abc[rotora.index(lowerCAmelCase__     ) - rotorposa]
                     lowerCAmelCase__					     = abc[rotora.index(lowerCAmelCase__     ) - rotorposa]

                     # 2nd plugboard
                     if symbol in plugboard:
                            lowerCAmelCase__					     = plugboard[symbol]

                     # moves/resets rotor positions
                     rotorposa += 1
                     if rotorposa >= len(lowerCAmelCase__     ):
                            lowerCAmelCase__					     = 0
                            rotorposa += 1
                     if rotorposa >= len(lowerCAmelCase__     ):
                            lowerCAmelCase__					     = 0
                            rotorposa += 1
                     if rotorposa >= len(lowerCAmelCase__     ):
                            lowerCAmelCase__					     = 0

        # else:
        #    pass
        #    Error could be also raised
        #    raise ValueError(
        #       'Invalid symbol('+repr(symbol)+')')
              result.append(lowerCAmelCase__     )

       return "".join(lowerCAmelCase__     )


if __name__ == "__main__":
    lowerCAmelCase__     						=			'This is my Python script that emulates the Enigma machine from WWII.'
    lowerCAmelCase__     						=			(1, 1, 1)
    lowerCAmelCase__     						=			'pictures'
    lowerCAmelCase__     						=			(rotora, rotora, rotora)
    lowerCAmelCase__     						=			enigma(message, rotor_pos, rotor_sel, pb)

    print('Encrypted message:', en)
    print('Decrypted message:', enigma(en, rotor_pos, rotor_sel, pb))
