from http import HTTPStatus

from django.urls import reverse
from django.utils import timezone
from django.utils.translation import gettext as _

from .utils import BasicMailerTestCase


class IndexTestCase(BasicMailerTestCase):
    def test_index(self):
        url = reverse("mailer:index")
        response = self.client.get(url)
        self.assertEqual(response.status_code, HTTPStatus.FOUND)


class UnsubscribeTestCase(BasicMailerTestCase):
    def test_unsubscribe(self):
        url = reverse("mailer:unsubscribe")
        response = self.client.get(url)
        self.assertEqual(response.status_code, HTTPStatus.OK)
        self.assertContains(response, _("Here you can unsubscribe from the newsletter"))

    def test_unsubscribe_key_invalid(self):
        url = reverse("mailer:unsubscribe")

        # invalid key
        response = self.client.get(url, data={"key": "invalid"})
        self.assertEqual(response.status_code, HTTPStatus.OK)
        self.assertContains(response, _("Can't verify this link. Try again!"))

        # expired key
        self.fritz.unsubscribe_expire = timezone.now()
        self.fritz.save()
        response = self.client.get(url, data={"key": self.fritz.unsubscribe_key})
        self.assertEqual(response.status_code, HTTPStatus.OK)
        self.assertContains(response, _("Can't verify this link. Try again!"))

    def test_unsubscribe_key(self):
        url = reverse("mailer:unsubscribe")
        response = self.client.get(url, data={"key": self.fritz.unsubscribe_key})
        self.assertEqual(response.status_code, HTTPStatus.OK)
        self.assertContains(response, _("Successfully unsubscribed from the newsletter for "))

    def test_unsubscribe_post_incomplete(self):
        url = reverse("mailer:unsubscribe")
        response = self.client.post(url, data={"post": True})
        self.assertEqual(response.status_code, HTTPStatus.OK)
        self.assertContains(response, _("Please fill in every field"))

        response = self.client.post(url, data={"post": True, "email": "foobar@notexisting.com"})
        self.assertEqual(response.status_code, HTTPStatus.OK)
        self.assertContains(response, _("Please fill in every field"))

    def test_unsubscribe_post(self):
        url = reverse("mailer:unsubscribe")
        response = self.client.post(url, data={"post": True, "email": self.fritz.email})
        self.assertEqual(response.status_code, HTTPStatus.OK)
        self.assertContains(response, _("Sent confirmation mail to"))