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#!/usr/bin/env python3
# -*- coding: utf-8 -*-

"""
    Slixmpp: The Slick XMPP Library
    Copyright (C) 2010  Nathanael C. Fritz
    This file is part of Slixmpp.

    See the file LICENSE for copying permission.
"""

import logging
from getpass import getpass
from optparse import OptionParser

import slixmpp
from slixmpp.componentxmpp import ComponentXMPP


class EchoComponent(ComponentXMPP):

    """
    A simple Slixmpp component that echoes messages.
    """

    def __init__(self, jid, secret, server, port):
        ComponentXMPP.__init__(self, jid, secret, server, port)

        # You don't need a session_start handler, but that is
        # where you would broadcast initial presence.

        # The message event is triggered whenever a message
        # stanza is received. Be aware that that includes
        # MUC messages and error messages.
        self.add_event_handler("message", self.message)

    def message(self, msg):
        """
        Process incoming message stanzas. Be aware that this also
        includes MUC messages and error messages. It is usually
        a good idea to check the messages's type before processing
        or sending replies.

        Since a component may send messages from any number of JIDs,
        it is best to always include a from JID.

        Arguments:
            msg -- The received message stanza. See the documentation
                   for stanza objects and the Message stanza to see
                   how it may be used.
        """
        # The reply method will use the messages 'to' JID as the
        # outgoing reply's 'from' JID.
        msg.reply("Thanks for sending\n%(body)s" % msg).send()


if __name__ == '__main__':
    # Setup the command line arguments.
    optp = OptionParser()

    # Output verbosity options.
    optp.add_option('-q', '--quiet', help='set logging to ERROR',
                    action='store_const', dest='loglevel',
                    const=logging.ERROR, default=logging.INFO)
    optp.add_option('-d', '--debug', help='set logging to DEBUG',
                    action='store_const', dest='loglevel',
                    const=logging.DEBUG, default=logging.INFO)
    optp.add_option('-v', '--verbose', help='set logging to COMM',
                    action='store_const', dest='loglevel',
                    const=5, default=logging.INFO)

    # JID and password options.
    optp.add_option("-j", "--jid", dest="jid",
                    help="JID to use")
    optp.add_option("-p", "--password", dest="password",
                    help="password to use")
    optp.add_option("-s", "--server", dest="server",
                    help="server to connect to")
    optp.add_option("-P", "--port", dest="port",
                    help="port to connect to")

    opts, args = optp.parse_args()

    if opts.jid is None:
        opts.jid = input("Component JID: ")
    if opts.password is None:
        opts.password = getpass("Password: ")
    if opts.server is None:
        opts.server = input("Server: ")
    if opts.port is None:
        opts.port = int(input("Port: "))

    # Setup logging.
    logging.basicConfig(level=opts.loglevel,
                        format='%(levelname)-8s %(message)s')

    # Setup the EchoComponent and register plugins. Note that while plugins
    # may have interdependencies, the order in which you register them does
    # not matter.
    xmpp = EchoComponent(opts.jid, opts.password, opts.server, opts.port)
    xmpp.registerPlugin('xep_0030') # Service Discovery
    xmpp.registerPlugin('xep_0004') # Data Forms
    xmpp.registerPlugin('xep_0060') # PubSub
    xmpp.registerPlugin('xep_0199') # XMPP Ping

    # Connect to the XMPP server and start processing XMPP stanzas.
    xmpp.connect()
    xmpp.process()