# generators.py
import random
import string
from datetime import datetime

PASSWORD_LENGTH = 16

SPECIAL_CHARS = "0~!@#$%^&*-_+=|:;<>.,?/"
ALL_CHARS = string.ascii_letters + string.digits + SPECIAL_CHARS

def generate_password():
    while True:
        password = ''.join(random.choices(ALL_CHARS, k=PASSWORD_LENGTH))
        if (any(c.islower() for c in password) and
            any(c.isupper() for c in password) and
            any(c.isdigit() for c in password) and
            any(c in SPECIAL_CHARS for c in password)):
            return password

def generate_instance_name(customer: str) -> str:
    return f"{customer}-{datetime.now().strftime('%Y%m%d')}"