#   Copyright 2010-2012 OpenStack Foundation
#   Copyright 2013 Nebula 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.
#

"""Object v1 API library"""

try:
    from urllib.parse import urlparse
except ImportError:
    from urlparse import urlparse


def list_containers(
    api,
    url,
    marker=None,
    limit=None,
    end_marker=None,
    prefix=None,
    full_listing=False,
):
    """Get containers in an account

    :param api: a restapi object
    :param url: endpoint
    :param marker: marker query
    :param limit: limit query
    :param end_marker: end_marker query
    :param prefix: prefix query
    :param full_listing: if True, return a full listing, else returns a max
                         of 10000 listings
    :returns: list of containers
    """

    if full_listing:
        data = listing = list_containers(
            api,
            url,
            marker,
            limit,
            end_marker,
            prefix,
        )
        while listing:
            marker = listing[-1]['name']
            listing = list_containers(
                api,
                url,
                marker,
                limit,
                end_marker,
                prefix,
            )
            if listing:
                data.extend(listing)
        return data

    object_url = url
    query = "format=json"
    if marker:
        query += '&marker=%s' % marker
    if limit:
        query += '&limit=%d' % limit
    if end_marker:
        query += '&end_marker=%s' % end_marker
    if prefix:
        query += '&prefix=%s' % prefix
    url = "%s?%s" % (object_url, query)
    response = api.request('GET', url)
    return response.json()


def show_container(
    api,
    url,
    container,
):
    """Get container details

    :param api: a restapi object
    :param url: endpoint
    :param container: name of container to show
    :returns: dict of returned headers
    """

    object_url = "%s/%s" % (url, container)
    url_parts = urlparse(url)
    response = api.request('HEAD', object_url)
    data = {
        'account': url_parts.path.split('/')[-1],
        'container': container,
    }
    data['object_count'] = response.headers.get(
        'x-container-object-count', None)
    data['bytes_used'] = response.headers.get('x-container-bytes-used', None)
    data['read_acl'] = response.headers.get('x-container-read', None)
    data['write_acl'] = response.headers.get('x-container-write', None)
    data['sync_to'] = response.headers.get('x-container-sync-to', None)
    data['sync_key'] = response.headers.get('x-container-sync-key', None)

    return data