###############################################################################
#
# 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
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
###############################################################################

from autobahn.twisted.websocket import WebSocketClientProtocol, \
    WebSocketClientFactory

import json
import random


class SlowSquareClientProtocol(WebSocketClientProtocol):

    def onOpen(self):
        x = 10. * random.random()
        self.sendMessage(json.dumps(x).encode('utf8'))
        print("Request to square {} sent.".format(x))

    def onMessage(self, payload, isBinary):
        if not isBinary:
            res = json.loads(payload.decode('utf8'))
            print("Result received: {}".format(res))
            self.sendClose()

    def onClose(self, wasClean, code, reason):
        if reason:
            print(reason)
        reactor.stop()


if __name__ == '__main__':

    import sys

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

    log.startLogging(sys.stdout)

    factory = WebSocketClientFactory("ws://localhost:9000", debug=False)
    factory.protocol = SlowSquareClientProtocol

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