"""Echo given string back to the user/channel."""

import logging

from ircbot.lib import Plugin

log = logging.getLogger('ircbot.lib')


class Echo(Plugin):
    """Have IRC commands to do IRC things (join channels, quit, etc.)."""

    def start(self):
        """Set up the handlers."""
        self.connection.reactor.add_global_regex_handler(['pubmsg', 'privmsg'], r'^!echo\s+(.*)$',
                                                         self.handle_echo, -20)

        super(Echo, self).start()

    def stop(self):
        """Tear down handlers."""
        self.connection.reactor.remove_global_regex_handler(['pubmsg', 'privmsg'], self.handle_echo)

        super(Echo, self).stop()

    def handle_echo(self, connection, event, match):
        """Handle the echo command... by echoing."""
        return self.bot.reply(event, match.group(1))


plugin = Echo