###############################################################################
#
# The MIT License (MIT)
#
# Copyright (c) Tavendo GmbH
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
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# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# THE SOFTWARE.
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from __future__ import print_function

from os import environ
from twisted.internet.defer import inlineCallbacks

from autobahn.twisted.util import sleep
from autobahn.twisted.wamp import ApplicationSession, ApplicationRunner


class Component(ApplicationSession):

    """
    An application component that publishes an event every second.
    """

    @inlineCallbacks
    def onJoin(self, details):
        print("session attached")
        counter = 0
        while True:
            print("publish: com.myapp.topic1", counter)
            self.publish(u'com.myapp.topic1', counter)

            print("publish: com.myapp.topic2")
            self.publish(u'com.myapp.topic2', "Hello world.")

            counter += 1
            yield sleep(1)


if __name__ == '__main__':
    runner = ApplicationRunner(
        environ.get("AUTOBAHN_DEMO_ROUTER", u"ws://127.0.0.1:8080/ws"),
        u"crossbardemo",

        debug=False,  # optional; log even more details
    )
    runner.run(Component)
