###############################################################################
#
# 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:
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# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
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# 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
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# THE SOFTWARE.
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###############################################################################

import sys
from twisted.internet import reactor
from autobahn.twisted.websocket import WebSocketClientFactory, \
    WebSocketClientProtocol, \
    connectWS


class EchoClientProtocol(WebSocketClientProtocol):

    def __init__(self, message):
        self.message = message.encode('utf8')

    def sendHello(self):
        self.sendMessage(self.message)

    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)


class EchoClientFactory(WebSocketClientFactory):

    def buildProtocol(self, addr):
        proto = EchoClientProtocol(self.message)
        proto.factory = self
        return proto


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)

    factory = EchoClientFactory(sys.argv[1])
    factory.message = sys.argv[2] if len(sys.argv) > 2 else "My configurable message"
    connectWS(factory)

    reactor.run()