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

"""
    Slixmpp: The Slick XMPP Library
    Copyright (C) 2018 Emmanuel Gil Peyrot
    This file is part of Slixmpp.

    See the file LICENSE for copying permission.
"""

import logging
from getpass import getpass
from argparse import ArgumentParser

import slixmpp

log = logging.getLogger(__name__)


class HttpUpload(slixmpp.ClientXMPP):

    """
    A basic client asking an entity if they confirm the access to an HTTP URL.
    """

    def __init__(self, jid, password, recipient, filename, domain=None):
        slixmpp.ClientXMPP.__init__(self, jid, password)

        self.recipient = recipient
        self.filename = filename
        self.domain = domain

        self.add_event_handler("session_start", self.start)

    async def start(self, event):
        log.info('Uploading file %s...', self.filename)
        def timeout_callback(arg):
            raise TimeoutError("could not send message in time")
        url = await self['xep_0363'].upload_file(
            self.filename, domain=self.domain, timeout=10, timeout_callback=timeout_callback)
        log.info('Upload success!')

        log.info('Sending file to %s', self.recipient)
        html = '<body xmlns="http://www.w3.org/1999/xhtml"><a href="%s">%s</a></body>' % (url, url)
        self.send_message(self.recipient, url, mhtml=html)
        self.disconnect()


if __name__ == '__main__':
    # Setup the command line arguments.
    parser = ArgumentParser()
    parser.add_argument("-q","--quiet", help="set logging to ERROR",
                        action="store_const",
                        dest="loglevel",
                        const=logging.ERROR,
                        default=logging.INFO)
    parser.add_argument("-d","--debug", help="set logging to DEBUG",
                        action="store_const",
                        dest="loglevel",
                        const=logging.DEBUG,
                        default=logging.INFO)

    # JID and password options.
    parser.add_argument("-j", "--jid", dest="jid",
                        help="JID to use")
    parser.add_argument("-p", "--password", dest="password",
                        help="password to use")

    # Other options.
    parser.add_argument("-r", "--recipient", required=True,
                        help="Recipient JID")
    parser.add_argument("-f", "--file", required=True,
                        help="File to send")
    parser.add_argument("--domain",
                        help="Domain to use for HTTP File Upload (leave out for your own server’s)")

    args = parser.parse_args()

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

    if args.jid is None:
        args.jid = input("Username: ")
    if args.password is None:
        args.password = getpass("Password: ")

    xmpp = HttpUpload(args.jid, args.password, args.recipient, args.file, args.domain)
    xmpp.register_plugin('xep_0071')
    xmpp.register_plugin('xep_0128')
    xmpp.register_plugin('xep_0363')

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