###############################################################################
#
# 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
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import sys

from autobahn.twisted.websocket import (
    WebSocketClientFactory,
    WebSocketClientProtocol,
    connectWS,
)
from autobahn.websocket.compress import (
    PerMessageDeflateOffer,
    PerMessageDeflateResponse,
    PerMessageDeflateResponseAccept,
)
from twisted.internet import reactor
from twisted.python import log


class EchoClientProtocol(WebSocketClientProtocol):
    def onConnect(self, response):
        print("WebSocket extensions in use: {}".format(response.extensions))

    def sendHello(self):
        msg = "Hello, world!" * 100
        self.sendMessage(msg.encode("utf8"))

    def onOpen(self):
        self.sendHello()

    def onMessage(self, payload, isBinary):
        if not isBinary:
            print("Text message received: {}".format(payload.decode("utf8")))
        reactor.callLater(1, self.sendHello)


if __name__ == "__main__":
    if len(sys.argv) < 2:
        print("Need the WebSocket server address, i.e. ws://127.0.0.1:9000")
        sys.exit(1)

    log.startLogging(sys.stdout)

    factory = WebSocketClientFactory(sys.argv[1])
    factory.protocol = EchoClientProtocol

    # Enable WebSocket extension "permessage-deflate".

    # The extensions offered to the server ..
    offers = [PerMessageDeflateOffer()]
    factory.setProtocolOptions(perMessageCompressionOffers=offers)

    # Function to accept responses from the server ..
    def accept(response):
        if isinstance(response, PerMessageDeflateResponse):
            return PerMessageDeflateResponseAccept(response)

    factory.setProtocolOptions(perMessageCompressionAccept=accept)

    # run client
    connectWS(factory)
    reactor.run()
