# -*- coding: utf-8 -*-
from django.contrib.auth import get_user_model

from allauth_cas.test.testcases import CASTestCase, CASViewTestCase

try:
    from unittest import mock
except ImportError:
    import mock

User = get_user_model()


class ClipperProviderTests(CASTestCase):

    def test_auto_signup(self):
        self.client_cas_login(
            self.client, provider_id='clipper', username='clipper_uid')

        u = User.objects.get(username='clipper_uid')
        self.assertEqual(u.email, 'clipper_uid@clipper.ens.fr')


class ClipperViewsTests(CASViewTestCase):

    def test_login_view(self):
        r = self.client.get('/accounts/clipper/login/')
        expected = (
            "https://cas.eleves.ens.fr/login?service=http%3A%2F%2Ftestserver"
            "%2Faccounts%2Fclipper%2Flogin%2Fcallback%2F"
        )
        self.assertRedirects(
            r, expected,
            fetch_redirect_response=False,
        )

    def test_callback_view(self):
        # Required to initialize a SocialLogin.
        r = self.client.get('/accounts/clipper/login/')

        # Tests.
        self.patch_cas_response(valid_ticket='__all__')
        r = self.client.get('/accounts/clipper/login/callback/', {
            'ticket': '123456',
        })
        self.assertLoginSuccess(r)

    def test_logout_view(self):
        r = self.client.get('/accounts/clipper/logout/')
        expected = (
            "https://cas.eleves.ens.fr/logout?service=http%3A%2F%2Ftestserver"
            "%2F"
        )
        self.assertRedirects(
            r, expected,
            fetch_redirect_response=False,
        )


class ClipperLDAPTests(CASTestCase):

    def setUp(self):
        self.mock_ldap_conn = mock.Mock()
        self.mock_ldap_conn.search_s = mock.Mock(return_value=[])

        patch_get_ldap_conn = mock.patch(
            'allauth_ens.providers.clipper.utils.get_ldap_connection',
            return_value=self.mock_ldap_conn,
        )
        patch_get_ldap_conn.start()
        self.addCleanup(patch_get_ldap_conn.stop)

    def set_returned_fullname(self, fullname):
        try:
            bfullname = bytes(fullname, 'utf-8')
        except TypeError:
            bfullname = bytes(fullname)
        self.mock_ldap_conn.search_s.return_value = [[None, {'cn': bfullname}]]

    def test_ok(self):
        self.set_returned_fullname('abc def ghi')

        self.client_cas_login(
            self.client, provider_id='clipper', username='theclipper')

        u = User.objects.get(username='theclipper')
        self.assertEqual(u.first_name, 'abc')
        self.assertEqual(u.last_name, 'def ghi')

    def test_short_fullname(self):
        self.set_returned_fullname('abc')

        self.client_cas_login(
            self.client, provider_id='clipper', username='theclipper')

        u = User.objects.get(username='theclipper')
        self.assertEqual(u.first_name, 'abc')
        self.assertEqual(u.last_name, '')

    def test_bad_uid(self):
        self.client_cas_login(
            self.client, provider_id='clipper', username='the_clipper')

        self.mock_ldap_conn.search_s.assert_not_called()
        u = User.objects.get(username='the_clipper')
        self.assertEqual(u.first_name, '')
        self.assertEqual(u.last_name, '')

    def test_no_result(self):
        self.client_cas_login(
            self.client, provider_id='clipper', username='theclipper')

        u = User.objects.get(username='theclipper')
        self.assertEqual(u.first_name, '')
        self.assertEqual(u.last_name, '')

    def test_no_cn(self):
        self.mock_ldap_conn.search_s.return_value = [[None, {}]]

        self.client_cas_login(
            self.client, provider_id='clipper', username='theclipper')

        u = User.objects.get(username='theclipper')
        self.assertEqual(u.first_name, '')
        self.assertEqual(u.last_name, '')