"""Provides a flask route that receives webhooks from WordPress (expecting
`post_content`, `post_name`, and `post_url`), attempts to convert into BBcode,
then posts it to a `forum.hardware.fr` topic.

HFR credentials are stored in a separate `credentials.json` JSON file. See
`hfr.py` for details on how to generate the `user_hash`. `pre_title` can be
anything, just add as many `\n`s as you wish at the end of the string.

{
    "user":         "",
    "user_hash":    "",
    "posturl":      "",
    "pre_title":    ""
}
"""

import logging
import urllib.parse
import json
from flask import Flask, request
from converter import HTMLtoBBcode
from hfr import post_HFR

app = Flask(__name__)
CREDENTIALS_FILE = 'credentials.json'
parser = HTMLtoBBcode()

with open(CREDENTIALS_FILE, 'r') as fp:
    config = json.load(fp)


@app.route('/wordpress_webhook', methods=['POST'])
def webhook_handler():
    """Function doing all the work."""
    logger.info('got called, {}'.format(request))

    webhook_data = urllib.parse.parse_qs(request.get_data(as_text=True))
    logger.info(webhook_data)

    parser.feed(webhook_data['post_content'][0])
    content = parser.output

    title = webhook_data['post_name'][0].replace('-', ' ')
    wordpress_url = webhook_data['post_url'][0]
    title_BB = '[url={url}][b]{title}[/b][/url]\n\n'.format(
            url=wordpress_url,
            title=title)

    post_BB = config['pre_title'] + title_BB + content

    logger.info(post_BB)

    outcome = post_HFR(config['user'],
                       config['user_hash'],
                       config['posturl'],
                       post_BB)

    logger.info(outcome)
    logger.info(outcome.text)

    return ''


def prepare_logger(logger_name=__name__):
    """Simple logger preparation function
    """
    logger = logging.getLogger(logger_name)
    logger.setLevel(logging.INFO)
    handler = logging.StreamHandler()
    formatter = logging.Formatter(
            '{asctime} {name} {levelname:8s} {message}',
            style='{')
    handler.setFormatter(formatter)
    logger.addHandler(handler)

    return logger


logger = prepare_logger()

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=54321, debug=True)