#!/usr/bin/env python

# Copyright (C) 2011-2013 OpenStack Foundation
#
# 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.

import os
import yaml

from six.moves.urllib.request import urlopen
from six.moves.urllib.error import URLError

URL = ('https://opendev.org/openstack/project-config/'
       'raw/gerrit/projects.yaml')

TMP_HOOKS_PATH = os.environ['TMP_HOOKS_PATH']
PROJECTS_REPOS = os.path.join(TMP_HOOKS_PATH,
                              'source-repository-projects-yaml')
GIT_BASE = os.environ.get('GIT_BASE', 'https://opendev.org')

CUSTOM_PROJECTS_LIST_URL = os.environ.get('DIB_CUSTOM_PROJECTS_LIST_URL')


def get_project_list(url):
    try:
        projects = []
        for f in yaml.load(urlopen(url)):
            # Skip repos that are inactive
            project = f['project']
            dirname = os.path.dirname(project)
            if 'attic' in dirname or dirname == 'stackforge':
                continue
            acl = f.get('acl-config')
            # Ignore retired repositories
            if acl and os.path.basename(acl) == 'retired.config':
                continue
            projects.append(project)

        return projects
    except URLError:
        print("Could not open project list url: '%s'" % url)
        raise


def main():
    projects = []
    if CUSTOM_PROJECTS_LIST_URL:
        projects = get_project_list(CUSTOM_PROJECTS_LIST_URL)

    if not projects:
        projects = get_project_list(URL)

    with open(PROJECTS_REPOS, 'w') as projects_list:
        for project in projects:
            args = dict(
                name=os.path.basename(project),
                location=os.path.join('/opt/git/opendev.org', project),
                url='%s/%s.git' % (GIT_BASE, project),
                ref='*')

            projects_list.write("%(name)s git %(location)s "
                                "%(url)s %(ref)s\n" % args)


if __name__ == '__main__':
    main()