import smtplib, os, json, time
from email.message import EmailMessage
from ..config import OUTBOX


def run(params: dict) -> dict:
    host = os.environ.get("SMTP_HOST"); user = os.environ.get("SMTP_USER")
    pw   = os.environ.get("SMTP_PASS"); port = int(os.environ.get("SMTP_PORT", "587"))
    if not all([host, user, pw]):
        # queue to outbox
        f = OUTBOX / f"email_{int(time.time()*1000)}.json"
        f.write_text(json.dumps(params, indent=2))
        return {"status": "queued", "outbox": str(f)}
    msg = EmailMessage()
    msg["From"] = user; msg["To"] = params["to"]; msg["Subject"] = params.get("subject", "")
    msg.set_content(params.get("body", ""))
    with smtplib.SMTP(host, port) as s:
        s.starttls(); s.login(user, pw); s.send_message(msg)
    return {"status": "sent"}