#!/usr/bin/env python

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

"""

 (c) 2016 - Copyright Red Hat Inc

 Authors:

   Pierre-Yves Chibon <pingou@pingoured.fr></pingou@pingoured.fr>

This server listens to message sent via redis and send the corresponding

web-hook request.

Using this mechanism, we no longer block the main application if the

receiving end is offline or so.

"""

import datetime

import hashlib

import hmac

import json

import logging

import os

import requests

import time

import uuid

import six

import trollius

import trollius_redis

from kitchen.text.converters import to_bytes

log = logging.getLogger(__name__)

if 'PAGURE_CONFIG' not in os.environ \

        and os.path.exists('/etc/pagure/pagure.cfg'):

    print 'Using configuration file `/etc/pagure/pagure.cfg`'

    os.environ['PAGURE_CONFIG'] = '/etc/pagure/pagure.cfg'

import pagure

import pagure.lib

from pagure.exceptions import PagureEvException

_i = 0

@trollius.coroutine

def handle_messages():

    connection = yield trollius.From(trollius_redis.Connection.create(

        host='0.0.0.0', port=6379, db=0))

    # Create subscriber.

    subscriber = yield trollius.From(connection.start_subscribe())

    # Subscribe to channel.

    yield trollius.From(subscriber.subscribe(['pagure.ci']))

    # Inside a while loop, wait for incoming events.

    while True:

        reply = yield trollius.From(subscriber.next_published())

        log.info(

            'Received: %s on channel: %s',

            repr(reply.value), reply.channel)

        data = json.loads(reply.value)

        pr_id = data['pr']['id']

        project = data['pr']['project']['name']

        branch = data['pr']['branch_from']

        username = None

        projectname = data['pr']['project']

        if data['pr'].get('parent'):

            username, data['pr']['project']['user']['user']

        project = pagure.lib.get_project(

            session=pagure.SESSION, name=projectname, user=username)

        if not project:

            log.warning(

                'No project could be found from the message %s' % data)

            continue

        repo = data['pr'].get('remote_git')

        if not repo:

            base = pagure.APP.config['APP_URL']

            if base.endswith('/'):

                base[:-1]

            base += '/%s' % project.path

        log.info("Trigger on %s PR #%s from %s: %s",

                      project.fullname, pr_id, repo, branch)

        url = project.ci_hook[0].ci_url

        if url.endswith('/'):

            url = url[:-1]

        if data['ci_type'] == 'jenkins':

            url += '/buildWithParameters'

            request.post(

                url,

                data={

                    'token': cfg.jenkins_token,

                    'cause': pr_id,

                    'REPO': repo.fullname,

                    'BRANCH': branch

                }

            )

        else:

            log.warning('Un-supported CI type')

def main():

    server = None

    try:

        loop = trollius.get_event_loop()

        tasks = [

            trollius.async(handle_messages()),

        ]

        loop.run_until_complete(trollius.wait(tasks))

        loop.run_forever()

    except KeyboardInterrupt:

        pass

    except trollius.ConnectionResetError:

        pass

    log.info("End Connection")

    loop.close()

    log.info("End")

if __name__ == '__main__':

    log = logging.getLogger("")

    formatter = logging.Formatter(

        "%(asctime)s %(levelname)s [%(module)s:%(lineno)d] %(message)s")

    # setup console logging

    log.setLevel(logging.DEBUG)

    ch = logging.StreamHandler()

    ch.setLevel(logging.DEBUG)

    aslog = logging.getLogger("asyncio")

    aslog.setLevel(logging.DEBUG)

    ch.setFormatter(formatter)

    log.addHandler(ch)

    main()