import copy

from django.conf import settings

from .base import BaseRouter
from ..models import Backend, Contact, Connection


class BlockingRouter(BaseRouter):
    """ Simple router that blocks while sending and receiving messages """

    def __init__(self, *args, **kwargs):
        """
        Apps and backends are added manually to the blocking backend.
        """
        apps = kwargs.pop('apps', settings.INSTALLED_APPS)
        backends = kwargs.pop('backends', settings.INSTALLED_BACKENDS)
        super(BlockingRouter, self).__init__(*args, **kwargs)
        for name in apps:
            try:
                self.add_app(name)
            except Exception as e:
                self.exception(e)
        for name, conf in backends.iteritems():
            parsed_conf = copy.copy(conf)
            engine = parsed_conf.pop('ENGINE')
            self.add_backend(name, engine, parsed_conf)

    def incoming(self, msg):
        # process incoming phases
        super(BlockingRouter, self).incoming(msg)
        # handle message responses from within router
        for response in msg.responses:
            self.outgoing(response)

    def outgoing(self, msg):
        # process outgoing phase
        super(BlockingRouter, self).outgoing(msg)
        # send message from within router
        sent = False
        try:
            sent = self.backends[msg.connection.backend.name].send(msg)
        except Exception, e:
            self.exception(e)
        sent = self.sent

    def handle_outgoing(self, text, backend_name=None, identity=None,
                        connection=None):
        """
        Takes an outgoing message passes it to a router for processing.  If a 
        ``connection`` is passed, ``backend_name`` and ``identity`` are ignored.
        """
        if not connection:
            backend, _ = Backend.objects.get_or_create(name=backend_name)
            connection, _ = backend.connection_set.get_or_create(identity=identity)
        from ..messages import OutgoingMessage
        message = OutgoingMessage(connection, text)
        self.outgoing(message)

@@ -1469,28 +1469,27 @@
         
+msg.
 sent = 
-self.
 sent%0A%0A  

set msg sent properly