from __future__ import print_function

if __name__ == '__main__':
    import command_client
    raise SystemExit(command_client.main())

from sys import stdout

from twisted.python.log import startLogging, err
from twisted.protocols.amp import Integer, String, Unicode, Command
from twisted.internet import reactor

from basic_client import connect

class UsernameUnavailable(Exception):
    pass


class RegisterUser(Command):
    arguments = [('username', Unicode()),
                 ('publickey', String())]

    response = [('uid', Integer())]

    errors = {UsernameUnavailable: 'username-unavailable'}


def main():
    startLogging(stdout)

    d = connect()
    def connected(protocol):
        return protocol.callRemote(
            RegisterUser,
            username=u'alice',
            publickey='ssh-rsa AAAAB3NzaC1yc2 alice@actinium')
    d.addCallback(connected)

    def registered(result):
        print('Registration result:', result)
    d.addCallback(registered)

    d.addErrback(err, "Failed to register")

    def finished(ignored):
        reactor.stop()
    d.addCallback(finished)

    reactor.run()