from django.contrib import messages
from django.contrib.messages import get_messages
from django.contrib.messages.storage.base import Message
from django.test import TestCase

from gestioncof.models import Survey, SurveyAnswer
from gestioncof.tests.testcases import ViewTestCaseMixin


class SurveyViewTests(ViewTestCaseMixin, TestCase):
    url_name = 'survey.details'

    http_methods = ['GET', 'POST']

    auth_user = 'user'
    auth_forbidden = [None]

    post_expected_message = Message(messages.SUCCESS, (
        "Votre réponse a bien été enregistrée ! Vous pouvez cependant la "
        "modifier jusqu'à la fin du sondage."
    ))

    @property
    def url_kwargs(self):
        return {'survey_id': self.s.pk}

    @property
    def url_expected(self):
        return '/survey/{}'.format(self.s.pk)

    def setUp(self):
        super().setUp()

        self.s = Survey.objects.create(title='Title')

        self.q1 = self.s.questions.create(question='Question 1 ?')
        self.q2 = self.s.questions.create(
            question='Question 2 ?',
            multi_answers=True,
        )

        self.qa1 = self.q1.answers.create(answer='Q1 - Answer 1')
        self.qa2 = self.q1.answers.create(answer='Q1 - Answer 2')
        self.qa3 = self.q2.answers.create(answer='Q2 - Answer 1')
        self.qa4 = self.q2.answers.create(answer='Q2 - Answer 2')

    def test_get(self):
        r = self.client.get(self.url)
        self.assertEqual(r.status_code, 200)

    def test_post_new(self):
        r = self.client.post(self.url, {
            'question_{}'.format(self.q1.pk): [str(self.qa1.pk)],
            'question_{}'.format(self.q2.pk): [
                str(self.qa3.pk), str(self.qa4.pk),
            ],
        })

        self.assertEqual(r.status_code, 200)
        self.assertIn(self.post_expected_message, get_messages(r.wsgi_request))

        a = self.s.surveyanswer_set.get(user=self.users['user'])
        self.assertQuerysetEqual(
            a.answers.all(), map(repr, [self.qa1, self.qa3, self.qa4]),
            ordered=False,
        )

    def test_post_edit(self):
        a = self.s.surveyanswer_set.create(user=self.users['user'])
        a.answers.add(self.qa1, self.qa1, self.qa4)

        r = self.client.post(self.url, {
            'question_{}'.format(self.q1.pk): [],
            'question_{}'.format(self.q2.pk): [str(self.qa3.pk)],
        })

        self.assertEqual(r.status_code, 200)
        self.assertIn(self.post_expected_message, get_messages(r.wsgi_request))

        a.refresh_from_db()
        self.assertQuerysetEqual(
            a.answers.all(), map(repr, [self.qa3]),
            ordered=False,
        )

    def test_post_delete(self):
        a = self.s.surveyanswer_set.create(user=self.users['user'])
        a.answers.add(self.qa1, self.qa4)

        r = self.client.post(self.url, {'delete': '1'})

        self.assertEqual(r.status_code, 200)
        expected_message = Message(
            messages.SUCCESS, "Votre réponse a bien été supprimée")
        self.assertIn(expected_message, get_messages(r.wsgi_request))

        with self.assertRaises(SurveyAnswer.DoesNotExist):
            a.refresh_from_db()

    def test_forbidden_closed(self):
        self.s.survey_open = False
        self.s.save()

        r = self.client.get(self.url)

        self.assertNotEqual(r.status_code, 200)

    def test_forbidden_old(self):
        self.s.old = True
        self.s.save()

        r = self.client.get(self.url)

        self.assertNotEqual(r.status_code, 200)


class SurveyStatusViewTests(ViewTestCaseMixin, TestCase):
    url_name = 'survey.details.status'

    http_methods = ['GET', 'POST']

    auth_user = 'staff'
    auth_forbidden = [None, 'user', 'member']

    @property
    def url_kwargs(self):
        return {'survey_id': self.s.pk}

    @property
    def url_expected(self):
        return '/survey/{}/status'.format(self.s.pk)

    def setUp(self):
        super().setUp()

        self.s = Survey.objects.create(title='Title')

        self.q1 = self.s.questions.create(question='Question 1 ?')
        self.q2 = self.s.questions.create(
            question='Question 2 ?',
            multi_answers=True,
        )

        self.qa1 = self.q1.answers.create(answer='Q1 - Answer 1')
        self.qa2 = self.q1.answers.create(answer='Q1 - Answer 2')
        self.qa3 = self.q2.answers.create(answer='Q2 - Answer 1')
        self.qa4 = self.q2.answers.create(answer='Q2 - Answer 2')

        self.a1 = self.s.surveyanswer_set.create(user=self.users['user'])
        self.a1.answers.add(self.qa1)
        self.a2 = self.s.surveyanswer_set.create(user=self.users['member'])

    def test_get(self):
        r = self.client.get(self.url)
        self.assertEqual(r.status_code, 200)

    def _get_qa_filter_name(self, qa):
        return 'question_{}_answer_{}'.format(qa.survey_question.pk, qa.pk)

    def _test_filters(self, filters, expected):
        r = self.client.post(self.url, {
            self._get_qa_filter_name(qa): v for qa, v in filters
        })

        self.assertEqual(r.status_code, 200)
        self.assertQuerysetEqual(
            r.context['user_answers'], map(repr, expected),
            ordered=False,
        )

    def test_filter_none(self):
        self._test_filters([(self.qa1, 'none')], [self.a1, self.a2])

    def test_filter_yes(self):
        self._test_filters([(self.qa1, 'yes')], [self.a1])

    def test_filter_no(self):
        self._test_filters([(self.qa1, 'no')], [self.a2])