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# The MIT License (MIT)
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import sys

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

from autobahn.twisted.websocket import WebSocketClientFactory, \
    WebSocketClientProtocol, \
    connectWS


class EchoClientProtocol(WebSocketClientProtocol):

    def sendHello(self):
        self.sendMessage("Hello, world!".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)


class EchoClientFactory(ReconnectingClientFactory, WebSocketClientFactory):

    protocol = EchoClientProtocol

    # http://twistedmatrix.com/documents/current/api/twisted.internet.protocol.ReconnectingClientFactory.html
    #
    maxDelay = 10
    maxRetries = 5

    def startedConnecting(self, connector):
        print('Started to connect.')

    def clientConnectionLost(self, connector, reason):
        print('Lost connection. Reason: {}'.format(reason))
        ReconnectingClientFactory.clientConnectionLost(self, connector, reason)

    def clientConnectionFailed(self, connector, reason):
        print('Connection failed. Reason: {}'.format(reason))
        ReconnectingClientFactory.clientConnectionFailed(self, connector, reason)


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)

    if len(sys.argv) > 2 and sys.argv[2] == 'debug':
        log.startLogging(sys.stdout)
        debug = True
    else:
        debug = False

    factory = EchoClientFactory(sys.argv[1],
                                debug=debug,
                                debugCodePaths=debug)

    # uncomment to use Hixie-76 protocol
    # factory.setProtocolOptions(allowHixie76 = True, version = 0)
    connectWS(factory)

    reactor.run()