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# Copyright (C) 2017-2018  Lars Wirzenius
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.


import ick2


class WorkerAPI(ick2.ResourceApiBase):  # pragma: no cover

    def __init__(self, state):
        super().__init__('workers', state)

    def get_routes(self, path):
        return [
            {
                'method': 'POST',
                'path': path,
                'callback': self.POST(self.create),
            },
            {
                'method': 'GET',
                'path': path,
                'callback': self.GET(self.list),
            },
            {
                'method': 'GET',
                'path': '{}/<name>'.format(path),
                'callback': self.GET(self.show),
            },
            {
                'method': 'DELETE',
                'path': '{}/<name>'.format(path),
                'callback': self.DELETE(self.delete),
            },
        ]

    def get_resource_name(self, resource):
        return resource['worker']

    def create(self, body, **kwargs):
        ick2.log.log(
            'trace', msg_text='create worker', body=body, kwargs=kwargs)
        resource = self.mangle_new_resource(body)
        name = self.get_resource_name(resource)
        try:
            self._state.get_resource(self._type_name, name)
        except ick2.NotFound:
            return self._state.add_resource(self._type_name, name, resource)
        else:
            raise ick2.ExistsAlready(name)