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

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

    See the file LICENSE for copying permission.
"""

import sys
import logging
from optparse import OptionParser

#import sleekxmpp
#from sleekxmpp.componentxmpp import ComponentXMPP

#import slixmpp
from slixmpp.componentxmpp import ComponentXMPP

# Python versions before 3.0 do not use UTF-8 encoding
# by default. To ensure that Unicode is handled properly
# throughout SleekXMPP, we will set the default encoding
# ourselves to UTF-8.
if sys.version_info < (3, 0):
    reload(sys)
    sys.setdefaultencoding('utf8')
else:
    raw_input = input


class EchoComponent(ComponentXMPP):

    """
    A simple SleekXMPP 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.

        if msg.find('{https://code.moparisthebest.com/moparisthebest/echo-self}echo') is not None:
            to = msg['to']
            msg['to'] = msg['from']
            msg['from'] = to

            # this might be cleaner, except sleekxmpp isn't sending body-less messages here at all, just silently swallowing them...
            #to = msg['to']
            #ffrom = msg['from']
            #msg = msg.find('{urn:xmpp:forward:0}forwarded')
            #msg['to'] = ffrom
            #msg['from'] = to

            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 or opts.server is None or opts.port is None:
        print("must define jid, server, port and password")
        exit(1)
    if opts.password is None:
        opts.password = ''

    # 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_0199') # XMPP Ping

    # Connect to the XMPP server and start processing XMPP stanzas.
    if xmpp.connect():
        xmpp.process(block=True)
        print("Done")
    else:
        print("Unable to connect.")