#!/usr/bin/env python2
# -*- coding: utf-8 -*-

# SAT: a jabber client
# Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org)
# Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.org)

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

""" Plugin XEP-0334 """

from constants import Const as C
from sat.test import helpers
from sat.plugins.plugin_xep_0334 import XEP_0334
from twisted.internet import defer
from wokkel.generic import parseXml
from sat.core import exceptions

HINTS = ('no-permanent-storage', 'no-storage', 'no-copy')


class XEP_0334Test(helpers.SatTestCase):

    def setUp(self):
        self.host = helpers.FakeSAT()
        self.plugin = XEP_0334(self.host)

    def test_sendMessageTrigger(self):
        template_xml = """
        <message
            from='romeo@montague.net/orchard'
            to='juliet@capulet.com'
            type='chat'>
          <body>text</body>
          %s
        </message>
        """
        original_xml = template_xml % ''

        d_list = []

        def cb(data, expected_xml):
            result_xml = data['xml'].toXml().encode("utf-8")
            self.assertEqualXML(result_xml, expected_xml, True)

        for key in (HINTS + ('', 'dummy_hint')):
            mess_data = {'xml': parseXml(original_xml.encode("utf-8")),
                         'extra': {key: True}
                         }
            treatments = defer.Deferred()
            self.plugin.sendMessageTrigger(mess_data, defer.Deferred(), treatments, C.PROFILE[0])
            if treatments.callbacks:  # the trigger added a callback
                expected_xml = template_xml % ('<%s xmlns="urn:xmpp:hints"/>' % key)
                treatments.addCallback(cb, expected_xml)
                treatments.callback(mess_data)
                d_list.append(treatments)

        return defer.DeferredList(d_list)

    def test_messageReceivedTrigger(self):
        template_xml = """
        <message
            from='romeo@montague.net/orchard'
            to='juliet@capulet.com'
            type='chat'>
          <body>text</body>
          %s
        </message>
        """

        def cb(dummy):
            raise Exception("Errback should not be ran instead of callback!")

        def eb(failure):
            failure.trap(exceptions.SkipHistory)

        d_list = []

        for key in (HINTS + ('dummy_hint',)):
            message = parseXml(template_xml % ('<%s xmlns="urn:xmpp:hints"/>' % key))
            post_treat = defer.Deferred()
            self.plugin.messageReceivedTrigger(message, post_treat, C.PROFILE[0])
            if post_treat.callbacks:
                assert(key in ('no-permanent-storage', 'no-storage'))
                post_treat.addCallbacks(cb, eb)
                post_treat.callback(None)
                d_list.append(post_treat)
            else:
                assert(key not in ('no-permanent-storage', 'no-storage'))

        return defer.DeferredList(d_list)
