from django.conf import settings
from django.core import mail
from hc.api.models import Check
from hc.test import BaseTestCase


class LoginTestCase(BaseTestCase):

    def test_it_sends_link(self):
        form = {"identity": "alice@example.org"}

        r = self.client.post("/accounts/login/", form)
        self.assertRedirects(r, "/accounts/login_link_sent/")

        # And email should have been sent
        self.assertEqual(len(mail.outbox), 1)
        subject = "Log in to %s" % settings.SITE_NAME
        self.assertEqual(mail.outbox[0].subject, subject)

    def test_it_sends_link_with_next(self):
        form = {"identity": "alice@example.org"}

        r = self.client.post("/accounts/login/?next=/integrations/add_slack/", form)
        self.assertRedirects(r, "/accounts/login_link_sent/")

        # The check_token link should have a ?next= query parameter:
        self.assertEqual(len(mail.outbox), 1)
        body = mail.outbox[0].body
        self.assertTrue("/?next=/integrations/add_slack/" in body)

    def test_it_pops_bad_link_from_session(self):
        self.client.session["bad_link"] = True
        self.client.get("/accounts/login/")
        assert "bad_link" not in self.client.session

    def test_it_ignores_case(self):
        form = {"identity": "ALICE@EXAMPLE.ORG"}

        r = self.client.post("/accounts/login/", form)
        self.assertRedirects(r, "/accounts/login_link_sent/")

        self.profile.refresh_from_db()
        self.assertIn("login", self.profile.token)

    def test_it_handles_password(self):
        form = {
            "action": "login",
            "email": "alice@example.org",
            "password": "password"
        }

        r = self.client.post("/accounts/login/", form)
        self.assertRedirects(r, "/checks/")

    def test_it_handles_password_login_with_redirect(self):
        check = Check.objects.create(user=self.alice, project=self.project)

        form = {
            "action": "login",
            "email": "alice@example.org",
            "password": "password"
        }

        samples = [
            "/integrations/add_slack/",
            "/checks/%s/details/" % check.code
        ]

        for s in samples:
            r = self.client.post("/accounts/login/?next=%s" % s, form)
            self.assertRedirects(r, s)

    def test_it_handles_bad_next_parameter(self):
        form = {
            "action": "login",
            "email": "alice@example.org",
            "password": "password"
        }

        r = self.client.post("/accounts/login/?next=/evil/", form)
        self.assertRedirects(r, "/checks/")

    def test_it_handles_wrong_password(self):
        form = {
            "action": "login",
            "email": "alice@example.org",
            "password": "wrong password"
        }

        r = self.client.post("/accounts/login/", form)
        self.assertContains(r, "Incorrect email or password")