#!/usr/bin/env python
"""
IRC bot to track currently played songs on Ampache.

Code under MIT license.
"""
import ssl

import feedparser
import irc.bot
import irc.connection

import config


class Ampache2IRC(irc.bot.SingleServerIRCBot):
    """
    Main bot class
    """
    def __init__(self):
        self.last_seen = None
        if not config.use_ssl:
            irc.bot.SingleServerIRCBot.__init__(self, [(config.server,
                                                        config.port)],
                                                config.nick,
                                                config.desc)
        else:
            self.ssl_factory = irc.connection.Factory(wrapper=ssl.wrap_socket)
            irc.bot.SingleServerIRCBot.__init__(
                self, [(config.server, config.port)],
                config.nick,
                config.desc,
                connect_factory=self.ssl_factory)

    def refresh_feed(self, serv):
        """Refresh Ampache played RSS feed"""
        d = feedparser.parse("%s/rss.php?type=recently_played" %
                             (config.ampache_URL,))
        for entry in d.entries:
            if(self.last_seen is None or
               entry.published_parsed > self.last_seen):
                serv.privmsg(config.channel,
                             "%s (%s)" % (entry.title,
                                          (entry.comments
                                           .replace(config.ampache_URL, "")
                                           .strip("/"))))
                self.last_seen = entry.published_parsed

    def on_welcome(self, serv, ev):
        """Upon server connection, handles nickserv"""
        if config.password != "":
            serv.privmsg("nickserv", "identify %s" % (config.password,))
        serv.join(config.channel)
        # Refresh feed every 10 seconds
        self.connection.execute_every(10, self.refresh_feed, (serv,))

    def on_privmsg(self, serv, ev):
        """Handles queries"""
        pass

    def on_pubmsg(self, serv, ev):
        """Handles the messages on the chan"""
        pass

    def close(self):
        """Exits nicely"""
        pass

    def __enter__(self):
        return self

    def __exit__(self, type, value, traceback):
        self.close()


if __name__ == '__main__':
    try:
        with Ampache2IRC() as bot:
            bot.start()
    except KeyboardInterrupt:
        pass