# Copyright 2017 The Armada Authors.
#
# 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 json

import falcon

from armada import api
from armada.common import policy
from armada.handlers.armada import Armada


class Apply(api.BaseResource):
    '''
    apply armada endpoint service
    '''
    @policy.enforce('armada:create_endpoints')
    def on_post(self, req, resp):
        try:

            # Load data from request and get options

            data = list(self.req_yaml(req))

            if type(data[0]) is list:
                data = list(data[0])

            opts = req.params

            # Encode filename
            armada = Armada(
                data,
                disable_update_pre=req.get_param_as_bool(
                    'disable_update_pre'),
                disable_update_post=req.get_param_as_bool(
                    'disable_update_post'),
                enable_chart_cleanup=req.get_param_as_bool(
                    'enable_chart_cleanup'),
                dry_run=req.get_param_as_bool('dry_run'),
                wait=req.get_param_as_bool('wait'),
                timeout=int(opts.get('timeout', 3600)),
                tiller_host=opts.get('tiller_host', None),
                tiller_port=int(opts.get('tiller_port', 44134)),
            )

            msg = armada.sync()

            resp.body = json.dumps(
                {
                    'message': msg,
                }
            )

            resp.content_type = 'application/json'
            resp.status = falcon.HTTP_200
        except Exception as e:
            err_message = 'Failed to apply manifest: {}'.format(e)
            self.error(req.context, err_message)
            self.return_error(
                resp, falcon.HTTP_500, message=err_message)