# -*- coding: utf-8 -*-
# Copyright 2014 Objectif Libre
#
# 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.
#
# @author: François Magimel (linkid)

"""
Report resource and manager.
"""

from cloudkittyclient.openstack.common.apiclient import base


class Report(base.Resource):
    """A resource represents a particular instance of an object (tenant, user,
    etc). This is pretty much just a bag for attributes.

    :param manager: Manager object
    :param info: dictionary representing resource attributes
    :param loaded: prevent lazy-loading if set to True
    """

    def _add_details(self, info):
        try:
            setattr(self, 'total', info)
        except AttributeError:
            # In this case we already defined the attribute on the class
            pass


class ReportManager(base.CrudManager):
    """Managers interact with a particular type of API and provide CRUD
    operations for them.
    """

    resource_class = Report
    collection_key = 'report/total'
    key = 'report/total'

    def _get(self, url, response_key=None):
        body = self.client.get(url).json()
        return self.resource_class(self, body, loaded=True)

    def get(self, **kwargs):
        """Get the amount to pay for the current month.
        /v1/report/total
        """
        return super(ReportManager, self).get(base_url='/v1', **kwargs)