###############################################################################
#
# 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
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# THE SOFTWARE.
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###############################################################################

from autobahn.twisted.websocket import WebSocketClientProtocol, \
    WebSocketClientFactory

from twisted.internet.defer import Deferred, inlineCallbacks


def sleep(delay):
    d = Deferred()
    reactor.callLater(delay, d.callback, None)
    return d


class MyClientProtocol(WebSocketClientProtocol):

    def onConnect(self, response):
        print("Server connected: {0}".format(response.peer))

    @inlineCallbacks
    def onOpen(self):
        print("WebSocket connection open.")

        # start sending messages every second ..
        while True:
            self.sendMessage(u"Hello, world!".encode('utf8'))
            self.sendMessage(b"\x00\x01\x03\x04", isBinary=True)
            yield sleep(1)

    def onMessage(self, payload, isBinary):
        if isBinary:
            print("Binary message received: {0} bytes".format(len(payload)))
        else:
            print("Text message received: {0}".format(payload.decode('utf8')))

    def onClose(self, wasClean, code, reason):
        print("WebSocket connection closed: {0}".format(reason))


if __name__ == '__main__':

    import sys

    from twisted.python import log
    from twisted.internet import reactor

    log.startLogging(sys.stdout)

    factory = WebSocketClientFactory(u"ws://127.0.0.1:9000", debug=False)
    factory.protocol = MyClientProtocol

    reactor.connectTCP("127.0.0.1", 9000, factory)
    reactor.run()