#!/usr/bin/python3
# Copyright (C) 2017  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 os


import apifw
import Crypto.PublicKey.RSA
import slog
import yaml


import ick2


transactions = slog.Counter()


def counter():
    return 'HTTP transaction {}'.format(transactions.increment())


def dict_logger(log, stack_info=None):
    ick2.log.log(exc_info=stack_info, **log)


default_config = {
    'token-public-key': None,
    'token-audience': None,
    'token-issuer': None,
    'log': [],
    'statedir': None,
}


def load_config(filename, default_config):
    config = yaml.safe_load(open(filename, 'r'))
    actual_config = dict(default_config)
    actual_config.update(config)
    return actual_config


config_filename = os.environ.get('ICK_CONTROLLER_CONFIG')
if not config_filename:
    raise Exception('No ICK_CONTROLLER_CONFIG defined in environment')
config = load_config(config_filename, default_config)
ick2.setup_logging(config)
ick2.log.log('info', msg_text='Ick2 controller starts', config=config)
api = ick2.ControllerAPI()
api.set_state_directory(config['statedir'])
api.load_projects()
app = apifw.create_bottle_application(api, counter, dict_logger, config)

# If we are running this program directly with Python, and not via
# gunicorn, we can use the Bottle built-in debug server, which can
# make some things easier to debug.

if __name__ == '__main__':
    print('running in debug mode')
    app.run(host='127.0.0.1', port=12765)