#!/usr/bin/python3
'''
Checks available MAME Torrents on PleasureDome
and updates the local versions if more recent
versions are detected

Work in progress…

Requirements:
  * Python3 with the libraries below
  * Transmission for Bitorrent
  * A PleasureDome account

/!\/!\/!\/!\/!\/!\/!\/!\/!\/!\/!\/!\/!\/!\/!\
/!\ Provided with no warranty whatsoever. /!\
/!\ Use with caution.                     /!\
/!\/!\/!\/!\/!\/!\/!\/!\/!\/!\/!\/!\/!\/!\/!\
'''
import feedparser
import json
import logging
import os
import re

if __name__ == '__main__':
    logging.basicConfig(level=logging.DEBUG, format=' %(asctime)s - %(levelname)s - %(message)s')
    re_mame_version = re.compile('MAME 0.(\d+) (.*)')
    
    logging.info('Opening config file: config.json')
    with open('config.json') as config_file:
        config = json.load(config_file)
    
    logging.info('Fetching current MAME versions')
    files = os.listdir(config['mame_directory'])
    torrent_versions = {}
    for file in files:
        match = re_mame_version.match(file)
        if match:
            torrent_versions[match[2]] = match[1]
    logging.info('Found the following Torrent version on disk: %s', torrent_versions)

    logging.info('Opening PleasureDome RSS feed')
    d = feedparser.parse('http://www.pleasuredome.org.uk/rss.xml')
    for post in d.entries:
        match = re_mame_version.match(post.title)
        if match:
            print('Torrent {} is available with version {}.'.format(match[2], match[1]))
            if match[2] in torrent_versions:
                print('You have version {}'.format(torrent_versions[match[2]]))
                
    # TODO: use user input to decide whether the torrent should be updated
    # TODO: connect to PleasureDome
    # TODO: remove local torrent from Transmission
    # TODO: rename local folder
    # TODO: add new torrent to Transmission
    # TODO: implement some error handling