"""Outbound notifications for public-site events."""

import logging

from django.conf import settings
from django.core.mail import EmailMultiAlternatives
from django.template.loader import get_template
from django.urls import reverse

from leads.models import Lead
from public.email_branding import email_brand_context

logger = logging.getLogger(__name__)


def notify_admins_of_contact_form(lead: Lead) -> bool:
    """
    Email CONTACT_EMAIL when someone submits the public contact form.

    Returns True if a message was sent. Failures are logged; callers should
    not block the visitor success path on delivery errors.
    """
    to_email = (settings.CONTACT_EMAIL or "").strip()
    if not to_email:
        logger.warning("CONTACT_EMAIL unset; skipping contact-form notification")
        return False

    contact = lead.contact
    name = contact.full_name or "(no name)"
    phone = contact.phone or "(none)"
    email = contact.email or "(none)"
    message = (lead.message or "").strip() or "(no message)"

    site = (settings.PUBLIC_SITE_URL or "").rstrip("/")
    portal_path = reverse("leads:detail", kwargs={"pk": lead.pk})
    portal_url = f"{site}{portal_path}" if site else portal_path

    postal = contact.postal_address or {}
    address_bits = [
        postal.get("line1") or "",
        postal.get("line2") or "",
        ", ".join(
            part
            for part in [
                postal.get("city") or "",
                postal.get("state") or "",
                postal.get("zip") or "",
            ]
            if part
        ),
    ]
    address = "\n".join(bit for bit in address_bits if bit) or "(none)"

    ctx = email_brand_context(
        name=name,
        email=email,
        phone=phone,
        address=address,
        message=message,
        portal_url=portal_url,
    )
    text_content = get_template("emails/contact_email.txt").render(ctx)
    html_content = get_template("emails/contact_email.html").render(ctx)

    mail = EmailMultiAlternatives(
        subject=f"New contact form inquiry from {name}",
        body=text_content,
        from_email=settings.DEFAULT_FROM_EMAIL,
        to=[to_email],
        reply_to=[contact.email] if contact.email else None,
    )
    mail.attach_alternative(html_content, "text/html")
    try:
        mail.send(fail_silently=False)
    except Exception:
        logger.exception("Failed to send contact-form notification to %s", to_email)
        return False
    return True