#
#   Copyright 2019 Red Hat, Inc.
#
#   Licensed under the Apache License, Version 2.0 (the "License"); you may
#   not use this file except in compliance with the License. You may obtain
#   a copy of the License at
#
#        http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#   WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#   License for the specific language governing permissions and limitations
#   under the License.
"""Unassigns assignee from tripleobug, adds message and tag.
If you get the following exception, you need X11 and python-dbus installed:
'RuntimeError: No recommended backend was available. Install
the keyrings.alt package if you want to use the non-recommended
backends. See README.rst for details.'
or check solutions from:
https://github.com/jaraco/keyring/issues/258
"""

import os
import sys

from launchpadlib.launchpad import Launchpad


MSG_BODY = "\
This bug has had a related patch abandoned and has been automatically \
un-assigned due to inactivity. Please re-assign yourself if you are \
continuing work or adjust the state as appropriate if it is no longer valid."


def unassign(bug_num):
    login = os.environ.get('LAUNCHPAD_LOGIN', 'tripleo')
    password = os.environ.get('LAUNCHPAD_PASSWORD', 'production')
    launchpad = Launchpad.login_with(login, password)
    b = launchpad.bugs[bug_num]
    for task in b.bug_tasks:
        for tag in task.bug_target_name:
            if 'tripleo' not in tag:
                # try not to interfere with non-tripleo projects too much
                continue
        task.assignee = None
        if task.status == "In Progress":
            task.status = 'New'
        task.lp_save()
    b.tags = b.tags + ['timeout-abandon']
    b.newMessage(content=MSG_BODY, subject='auto-abandon-script')
    b.lp_save()


if __name__ == '__main__':
    unassign(int(sys.argv[1]))