###############################################################################
#
# The MIT License (MIT)
#
# Copyright (c) typedef int GmbH
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# 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
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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import asyncio
from os import environ
from autobahn.wamp.types import CallOptions, RegisterOptions, PublishOptions
from autobahn.asyncio.wamp import ApplicationSession, ApplicationRunner


class Component(ApplicationSession):
    """
    An application component providing procedures with
    different kinds of arguments.
    """

    async def onJoin(self, details):

        def square(val, details=None):
            print("square called from: {}".format(details.caller))

            if val < 0:
                self.publish('com.myapp.square_on_nonpositive', val)
            elif val == 0:
                if details.caller:
                    options = PublishOptions(exclude=[details.caller])
                else:
                    options = None
                self.publish('com.myapp.square_on_nonpositive', val, options=options)
            return val * val

        await self.register(square, 'com.myapp.square', RegisterOptions(details_arg='details'))


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