# Copyright (c) 2023-present Pi Dash Software, Inc. and contributors
# SPDX-License-Identifier: AGPL-3.0-only
# See the LICENSE file for details.

# Python imports
import logging

# Third party imports
from celery import shared_task

# Django imports
# Third party imports
from django.core.mail import EmailMultiAlternatives, get_connection
from django.template.loader import render_to_string

# Module imports
from pi_dash.license.utils.instance_value import get_email_configuration
from pi_dash.utils.email import generate_plain_text_from_html
from pi_dash.utils.exception_logger import log_exception


@shared_task
def magic_link(email, key, token):
    try:
        (
            EMAIL_HOST,
            EMAIL_HOST_USER,
            EMAIL_HOST_PASSWORD,
            EMAIL_PORT,
            EMAIL_USE_TLS,
            EMAIL_USE_SSL,
            EMAIL_FROM,
        ) = get_email_configuration()

        # Send the mail
        subject = f"Your unique Pi Dash login code is {token}"
        context = {"code": token, "email": email}

        html_content = render_to_string("emails/auth/magic_signin.html", context)
        text_content = generate_plain_text_from_html(html_content)

        connection = get_connection(
            host=EMAIL_HOST,
            port=int(EMAIL_PORT),
            username=EMAIL_HOST_USER,
            password=EMAIL_HOST_PASSWORD,
            use_tls=EMAIL_USE_TLS == "1",
            use_ssl=EMAIL_USE_SSL == "1",
        )

        msg = EmailMultiAlternatives(
            subject=subject,
            body=text_content,
            from_email=EMAIL_FROM,
            to=[email],
            connection=connection,
        )
        msg.attach_alternative(html_content, "text/html")
        msg.send()
        logging.getLogger("pi_dash.worker").info("Email sent successfully.")
        return
    except Exception as e:
        log_exception(e)
        return
