import __main__
from os.path import dirname as _dirname, abspath as _abspath, join as _join, isfile as _isfile, isdir as _isdir
from os import makedirs as _makedirs
from uuid import uuid4 as _uuid4


_HERE = _dirname(_abspath(__main__.__file__))
_PASSWORD_DIR = _join(_HERE, 'password')


def get_uuid(server_name: str) -> str:
    dir_name = _join(_PASSWORD_DIR, server_name)
    if not _isdir(dir_name):
        _makedirs(dir_name)
    file_name = _join(dir_name, 'uuid')
    if not _isfile(file_name):
        uuid = str(_uuid4())
        with open(file_name, 'w') as fh:
            fh.write(uuid)
    with open(file_name, 'r') as fh:
        file_content = fh.read().strip()
        return file_content