# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
"""
Handle notifications like emails.
"""

from taskgraph.transforms.base import TransformSequence

transforms = TransformSequence()


@transforms.add
def add_notify_email(config, tasks):
    for task in tasks:
        notify = task.pop("notify", {})
        email_config = notify.get("email")
        if email_config:
            extra = task.setdefault("extra", {})
            notify = extra.setdefault("notify", {})
            notify["email"] = {
                "content": email_config["content"],
                "subject": email_config["subject"],
                "link": email_config.get("link", None),
            }

            routes = task.setdefault("routes", [])
            routes.extend(
                [
                    "notify.email.{}.on-{}".format(address, reason)
                    for address in email_config["to-addresses"]
                    for reason in email_config["on-reasons"]
                ]
            )

        yield task