import string
from random import SystemRandom

from .account_checks import FORBIDDEN_CHARS, PUNCTUATION, check_gened_password

PASSWORD_CHARS = tuple(
    frozenset(string.ascii_letters + string.digits).difference(FORBIDDEN_CHARS)
    | PUNCTUATION
)


def gen_password() -> str:
    """Generates password of length 32"""
    choices = SystemRandom().choices
    while True:
        passwd = "".join(choices(PASSWORD_CHARS, k=32))
        if check_gened_password(passwd):
            return passwd