from pathlib import Path
from datetime import datetime
from zoneinfo import ZoneInfo

from modules.config   import load_mail_config
from modules.domains  import load_domains
from modules.checker  import get_cert_expiry_utc
from modules.notifier import send_email

# Пути к файлам
BASE_DIR     = Path(__file__).parent
CONF_DIR     = BASE_DIR / 'conf'
MAIL_CONF    = CONF_DIR / 'mail.conf'
DOMAINS_FILE = CONF_DIR / 'domains.conf'

# Настройки
MOSCOW_TZ    = ZoneInfo('Europe/Moscow')
WARNING_DAYS = 10

def main():
    # Загружаем настройки и список доменов
    mail_cfg = load_mail_config(MAIL_CONF)
    domains  = load_domains(DOMAINS_FILE)
    now_moscow = datetime.now(MOSCOW_TZ)

    for host, port in domains:
        expiry_utc   = get_cert_expiry_utc(host, port)
        expiry_local = expiry_utc.astimezone(MOSCOW_TZ)
        days_left    = (expiry_local.date() - now_moscow.date()).days

        print(f"{host}:{port} — истекает {expiry_local:%Y-%m-%d %H:%M:%S %Z}, осталось {days_left} дн.")

        if days_left < WARNING_DAYS:
            subject = f"[WARNING] SSL {host} истекает через {days_left} дн."
            body = (
                f"Домен: {host}\n"
                f"Порт: {port}\n"
                f"Истекает: {expiry_local:%Y-%m-%d %H:%M:%S %Z}\n"
                f"Осталось дней: {days_left}\n"
            )
            send_email(mail_cfg, subject, body)

if __name__ == '__main__':
    main()