import logging
import resend
from config import settings
logger = logging.getLogger(__name__)
def send_email(to: str, subject: str, html: str) -> None:
"""Send a transactional email via Resend. Logs errors but does not raise."""
try:
resend.api_key = settings.resend_api_key
resend.Emails.send({
"from": settings.email_from,
"to": to,
"subject": subject,
"html": html,
})
logger.info("Email sent to %s — subject: %s", to, subject)
except Exception as exc:
logger.error("Failed to send email to %s: %s", to, exc)
raise
def send_device_assignment_invite(
customer_email: str,
serial_number: str,
device_name: str,
customer_name: str | None = None,
) -> None:
"""Notify a customer that a Bell Systems device has been assigned and shipped to them."""
greeting = f"Dear {customer_name}," if customer_name else "Dear Customer,"
html = f"""
BELLSYSTEMS
Device Shipment Confirmation
{greeting}
Your Bell Systems {device_name} device has been successfully manufactured and shipped.
We are delighted to have it on its way to you!
To get started, download our controller application from the Google Play Store and follow the in-app setup instructions.
"""
send_email(
to=customer_email,
subject=f"Your Bell Systems {device_name} is on its way! 🎉",
html=html,
)
def send_device_provisioned_alert(
admin_email: str,
serial_number: str,
hw_type: str,
) -> None:
"""Internal alert sent to an admin when a device reaches provisioned status."""
html = f"""
Device Provisioned
A Vesper device has successfully provisioned and is ready to ship.