# notify.py
import os, smtplib
from email.mime.text import MIMEText
from email.utils import formataddr
from dotenv import load_dotenv

# load .env automatically (ENV_FILE can override path)
load_dotenv(os.getenv("ENV_FILE", ".env"))

def send_email(subject: str, body_text: str, to_addr: str | None = None):
    if os.getenv("MAIL_ENABLED", "false").lower() != "true":
        print("[notify] MAIL_ENABLED != true; skipping email")
        return

    smtp_host = os.getenv("SMTP_HOST")
    smtp_port = int(os.getenv("SMTP_PORT", "587"))
    smtp_user = os.getenv("SMTP_USER")
    smtp_pass = os.getenv("SMTP_PASS")
    mail_from = os.getenv("MAIL_FROM") or smtp_user
    mail_to   = to_addr or os.getenv("MAIL_TO")

    if not (smtp_host and smtp_user and smtp_pass and mail_to):
        print("[notify] missing SMTP config; skipping email")
        return

    msg = MIMEText(body_text, "plain", "utf-8")
    msg["Subject"] = subject
    msg["From"] = formataddr(("Intesa Logs Agent", mail_from))
    msg["To"] = mail_to

    with smtplib.SMTP(smtp_host, smtp_port, timeout=20) as s:
        try:
            s.starttls()
        except smtplib.SMTPException:
            pass
        s.login(smtp_user, smtp_pass)
        s.send_message(msg)
    print(f"[notify] sent email to {mail_to}")