"""Password utils."""

import secrets
import string

import config


def generate_random_password():
    """Generate a complex random password."""
    password = ''

    while len(password) < config.PASSWORD_MIN_LENGTH:
        upper = secrets.choice(string.ascii_uppercase)
        lower = secrets.choice(string.ascii_lowercase)
        num = secrets.choice(string.digits)
        symbol = secrets.choice('#$%^()')
        chars = list(upper + lower + num + symbol)
        secrets.SystemRandom().shuffle(chars)
        password += ''.join(chars)

    return password