#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""API client to core-networks"""

import requests
import os
import json
import urlparse
import configparser
import sys
import logging


def api_auth(user, passwd, host):
    data = {}
    data["login"] = user
    data["password"] = passwd
    json_data = json.dumps(data)

    url = urlparse.urljoin(host, os.path.join("auth", "token"))
    r = requests.post(url, data=json_data)
    return r.json()


def setup_logger():
    # seup logging
    logger = logging.getLogger("certbot_dns_corenetworks")
    logging.basicConfig(level=logging.INFO)
    # create console handler
    ch = logging.StreamHandler()
    ch.setLevel(logging.INFO)

    formatter = logging.Formatter(
        '%(asctime)s - %(name)s- %(levelname)s - %(message)s')
    ch.setFormatter(formatter)
    # add handler to logger
    logger.addHandler(ch)
    logger.propagate = False
    return logger


def main():
    """Main logic entrypoint"""

    logger = setup_logger()

    try:
        config_path = os.path.join(
            os.path.expanduser("~"),
            ".certbot_dns_corenetworks",
            "config.ini"
        )
        config = configparser.ConfigParser()
        config.read(config_path)

        API_HOST = config['API']['HOST']
        API_USER = config['API']['USER']
        PASSWORD = config['API']['PASSWORD']
    except KeyError, e:
        logger.error("Key %s not found in config" % (e))
        sys.exit(0)

    auth = api_auth(API_USER, PASSWORD, API_HOST)
    print auth["token"]


if __name__ == "__main__":
    main()