'''
Tests for dispatcher_nb.py
'''
import unittest

import lib
lib.setup_env()

from mock import Mock

from gajim.common.protocol.bytestream import ConnectionIBBytestream, ConnectionSocks5Bytestream
from nbxmpp import dispatcher_nb
from nbxmpp import protocol
from gajim.common.jingle import ConnectionJingle
from gajim.common import app
from gajim.common.socks5 import SocksQueue


session_init = '''
<iq xmlns="jabber:client" to="jingleft@thiessen.im/Gajim" type="set" id="43">
<jingle xmlns="urn:xmpp:jingle:1" action="session-initiate" initiator="jtest@thiessen.im/Gajim" sid="38">
<content name="fileWL1Y2JIPTM5RAD68" creator="initiator">
<security xmlns="urn:xmpp:jingle:security:xtls:0">
<method name="x509" />
</security>
<description xmlns="urn:xmpp:jingle:apps:file-transfer:1">
<offer>
<file xmlns="http://jabber.org/protocol/si/profile/file-transfer" name="to" size="2273">
<desc />
</file>
</offer>
</description>
<transport xmlns="urn:xmpp:jingle:transports:s5b:1" sid="39">
<candidate jid="jtest@thiessen.im/Gajim" cid="40" priority="8257536" host="192.168.2.100" type="direct" port="28011" />
<candidate jid="proxy.thiessen.im" cid="41" priority="655360" host="192.168.2.100" type="proxy" port="5000" />
<candidate jid="proxy.jabbim.cz" cid="42" priority="655360" host="192.168.2.100" type="proxy" port="7777" />
</transport>
</content>
</jingle>
</iq>
        '''


transport_info = '''
<iq from='jtest@thiessen.im/Gajim'
    id='hjdi8'
    to='jingleft@thiessen.im/Gajim'
    type='set'>
  <jingle xmlns='urn:xmpp:jingle:1'
          action='transport-info'
          initiator='jtest@thiessen.im/Gajim'
          sid='38'>
    <content creator='initiator' name='fileWL1Y2JIPTM5RAD68'>
      <transport xmlns='urn:xmpp:jingle:transports:s5b:1'
                 sid='vj3hs98y'>
        <candidate-used cid='hr65dqyd'/>
      </transport>
    </content>
  </jingle>
</iq>

'''

class Connection(Mock, ConnectionJingle, ConnectionSocks5Bytestream,
                 ConnectionIBBytestream):

    def __init__(self):
        Mock.__init__(self)
        ConnectionJingle.__init__(self)
        ConnectionSocks5Bytestream.__init__(self)
        ConnectionIBBytestream.__init__(self)
        self.connected = 2 # This tells gajim we are connected

    def send(self, stanza=None, when=None):
        # Called when gajim wants to send something
        print(str(stanza))


class TestJingle(unittest.TestCase):

    def setUp(self):
        self.dispatcher = dispatcher_nb.XMPPDispatcher()
        app.nec = Mock()
        app.socks5queue = SocksQueue(Mock())
        # Setup mock client
        self.client = Connection()
        self.client.__str__ = lambda: 'Mock' # FIXME: why do I need this one?
        self.client._caller = Connection()
        self.client.defaultNamespace = protocol.NS_CLIENT
        self.client.Connection = Connection() # mock transport
        self.con = self.client.Connection
        self.con.server_resource = None
        self.con.connection = Connection()

        '''
        Fake file_props when we receive a file. Gajim creates a file_props
        out of a FileRequestReceive event and from then on it changes in
        a lot of places. It is easier to just copy it in here.
        If the session_initiate stanza changes, this also must change.
        '''
        self.receive_file = {'stream-methods':
                             'http://jabber.org/protocol/bytestreams',
                             'sender': 'jtest@thiessen.im/Gajim',
                             'file-name': 'test_received_file',
                             'request-id': '43', 'sid': '39',
                             'session-sid': '38', 'session-type': 'jingle',
                             'transfered_size': [], 'receiver':
                             'jingleft@thiessen.im/Gajim', 'desc': '',
                              'size': '2273', 'type': 'r',
                              'streamhosts': [{'initiator':
                            'jtest@thiessen.im/Gajim',
                            'target': 'jingleft@thiessen.im/Gajim',
                            'cid': '41', 'state': 0, 'host': '192.168.2.100',
                             'type': 'direct', 'port': '28011'},
                            {'initiator': 'jtest@thiessen.im/Gajim',
                              'target': 'jingleft@thiessen.im/Gajim',
                              'cid': '42', 'state': 0, 'host': '192.168.2.100',
                              'type': 'proxy', 'port': '5000'}],
                             'name': 'to'}

    def tearDown(self):
        # Unplug if needed
        if hasattr(self.dispatcher, '_owner'):
            self.dispatcher.PlugOut()

    def _simulate_connect(self):
        self.dispatcher.PlugIn(self.client) # client is owner
        # Simulate that we have established a connection
        self.dispatcher.StreamInit()
        self.dispatcher.ProcessNonBlocking("<stream:stream xmlns:stream='http://etherx.jabber.org/streams' xmlns='jabber:client'>")

    def _simulate_jingle_session(self):

        self.dispatcher.RegisterHandler('iq', self.con._JingleCB, 'set',
                                        protocol.NS_JINGLE)
        self.dispatcher.ProcessNonBlocking(session_init)
        session = list(self.con._sessions.values())[0] # The only session we have
        jft = list(session.contents.values())[0] # jingleFT object
        jft.file_props = self.receive_file # We plug file_props manually
        # The user accepts to receive the file
        # we have to manually simulate this behavior
        session.approve_session()
        self.con.send_file_approval(self.receive_file)

        self.dispatcher.ProcessNonBlocking(transport_info)

    def test_jingle_session(self):
        self._simulate_connect()
        self._simulate_jingle_session()


if __name__ == '__main__':
    unittest.main()