# -*- coding: utf-8 -*-

# Copyright 2010 - 2017 RhodeCode GmbH and the AppEnlight project 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 logging

import requests
from requests.auth import HTTPBasicAuth
import simplejson as json

from appenlight.models.integrations import (IntegrationBase,
                                            IntegrationException)

_ = str

log = logging.getLogger(__name__)


class NotFoundException(Exception):
    pass


class FlowdockIntegration(IntegrationBase):
    __mapper_args__ = {
        'polymorphic_identity': 'flowdock'
    }
    front_visible = False
    as_alert_channel = True
    supports_report_alerting = True
    action_notification = True
    integration_action = 'Message via Flowdock'

    @classmethod
    def create_client(cls, api_token):
        client = FlowdockClient(api_token)
        return client


class FlowdockClient(object):
    def __init__(self, api_token):
        self.auth = HTTPBasicAuth(api_token, '')
        self.api_token = api_token
        self.api_url = 'https://api.flowdock.com/v1/messages'

    def make_request(self, url, method='get', data=None):
        headers = {
            'Content-Type': 'application/json',
            'User-Agent': 'appenlight-flowdock',
        }
        try:
            if data:
                data = json.dumps(data)
            resp = getattr(requests, method)(url, data=data, headers=headers,
                                             timeout=10)
        except Exception as e:
            raise IntegrationException(
                _('Error communicating with Flowdock: %s') % (e,))
        if resp.status_code > 299:
            raise IntegrationException(resp.text)
        return resp

    def send_to_chat(self, payload):
        url = '%(api_url)s/chat/%(api_token)s' % {'api_url': self.api_url,
                                                  'api_token': self.api_token}
        return self.make_request(url, method='post', data=payload).json()

    def send_to_inbox(self, payload):
        f_args = {'api_url': self.api_url, 'api_token': self.api_token}
        url = '%(api_url)s/team_inbox/%(api_token)s' % f_args
        return self.make_request(url, method='post', data=payload).json()