import json

from django.core import mail
from django.db import transaction
from django.test import TestCase, override_settings
from django.urls import reverse
from model_bakery import baker

from ..models import OrganizationUser, OrganizationUserRole


class OrganizationUsersTestCase(TestCase):
    @classmethod
    def setUpTestData(cls):
        cls.user = baker.make("users.user")
        cls.organization = baker.make(
            "organizations_ext.Organization",
            name="<a>No</a><script>HtmlInOrgName</script>",
        )
        cls.org_user = cls.organization.add_user(
            cls.user, role=OrganizationUserRole.MANAGER
        )
        baker.make("organizations_ext.OrganizationUser", user=cls.user, role=5)
        cls.members_url = reverse(
            "api:list_organization_members", args=[cls.organization.slug]
        )

    def setUp(self):
        self.client.force_login(self.user)

    def get_org_member_detail_url(self, organization_slug, pk):
        return reverse("api:get_organization_member", args=[organization_slug, pk])

    def test_organization_members_list(self):
        res = self.client.get(self.members_url)
        self.assertContains(res, self.user.email)
        data = res.json()
        self.assertNotIn("teams", data[0].keys())

    def test_organization_members_email_field(self):
        """
        Org Member email should refer to the invited email before acceptance
        After acceptance, it should refer to the user's primary email address
        """
        url = self.get_org_member_detail_url(self.organization.slug, self.org_user.pk)
        res = self.client.get(url)
        self.assertEqual(res.json()["email"], self.user.email)

    def test_organization_team_members_list(self):
        team = baker.make("teams.Team", organization=self.organization)
        url = reverse(
            "api:list_team_organization_members",
            args=[self.organization.slug, team.slug],
        )
        res = self.client.get(url)
        self.assertNotContains(res, self.user.email)

        team.members.add(self.org_user)
        res = self.client.get(url)
        self.assertContains(res, self.user.email)

    def test_organization_members_detail(self):
        other_user = baker.make("users.user")
        other_organization = baker.make("organizations_ext.Organization")
        other_org_user = other_organization.add_user(other_user)
        team = baker.make("teams.Team", organization=self.organization)
        team.members.add(self.org_user)

        url = self.get_org_member_detail_url(self.organization.slug, self.org_user.pk)
        res = self.client.get(url)
        self.assertContains(res, self.user.email)
        self.assertContains(res, team.slug)
        self.assertNotContains(res, other_user.email)

        url = self.get_org_member_detail_url(self.organization.slug, other_org_user.pk)
        res = self.client.get(url)
        self.assertEqual(res.status_code, 404)

    def test_organization_users_add_team_member(self):
        team = baker.make("teams.Team", organization=self.organization)
        url = (
            self.get_org_member_detail_url(self.organization.slug, self.org_user.pk)
            + f"teams/{team.slug}/"
        )

        self.assertEqual(team.members.count(), 0)
        res = self.client.post(url)
        self.assertEqual(res.status_code, 201)
        self.assertEqual(team.members.count(), 1)

        res = self.client.delete(url)
        self.assertEqual(res.status_code, 200)
        self.assertEqual(team.members.count(), 0)

    def test_organization_users_add_self_team_member(self):
        team = baker.make("teams.Team", organization=self.organization)
        url = reverse(
            "api:add_member_to_team", args=[self.organization.slug, "me", team.slug]
        )

        self.assertEqual(team.members.count(), 0)
        res = self.client.post(url)
        self.assertEqual(res.status_code, 201)
        self.assertEqual(team.members.count(), 1)

        res = self.client.delete(url)
        self.assertEqual(res.status_code, 200)
        self.assertEqual(team.members.count(), 0)

    def test_organization_users_create_and_accept_invite(self):
        data = {
            "email": "new@example.com",
            "orgRole": OrganizationUserRole.MANAGER.label.lower(),
            "teamRoles": [],
        }
        res = self.client.post(self.members_url, data, content_type="application/json")
        self.assertTrue(res.json()["pending"])
        body = mail.outbox[0].body
        html_content = mail.outbox[0].alternatives[0][0]
        self.assertFalse("<a>No</a><script>HtmlInOrgName</script>" in body)
        self.assertTrue("NoHtmlInOrgName" in body)
        self.assertFalse("<a>No</a><script>HtmlInOrgName</script>" in html_content)
        self.assertTrue("NoHtmlInOrgName" in html_content)
        body_split = body[body.find("http://localhost:8000/accept/") :].split("/")
        org_user_id = body_split[4]
        token = body_split[5]
        url = reverse("api:get_accept_invite", args=[org_user_id, token])

        # Check that we can determine organization name from GET request to accept invite endpoint
        self.client.logout()
        res = self.client.get(url)
        self.assertContains(res, self.organization.name)

        user = baker.make("users.user")
        self.client.force_login(user)
        data = {"acceptInvite": True}
        res = self.client.post(url, data, content_type="application/json")
        self.assertContains(res, self.organization.name)
        self.assertFalse(res.json()["org_user"]["pending"])
        self.assertTrue(
            OrganizationUser.objects.filter(
                user=user, organization=self.organization
            ).exists()
        )

    def test_closed_user_registration(self):
        data = {
            "email": "new@example.com",
            "orgRole": OrganizationUserRole.MANAGER.label.lower(),
            "teamRoles": [],
        }

        with override_settings(ENABLE_USER_REGISTRATION=False):
            # Non-existing user cannot be invited
            res = self.client.post(
                self.members_url, data, content_type="application/json"
            )
            self.assertEqual(res.status_code, 403)

            # Existing user can be invited
            self.user = baker.make("users.user", email="new@example.com")
            res = self.client.post(
                self.members_url, data, content_type="application/json"
            )
            self.assertEqual(res.status_code, 201)

    def test_organization_users_invite_twice(self):
        """Don't allow inviting user who is already in the group"""
        data = {
            "email": "new@example.com",
            "orgRole": OrganizationUserRole.MANAGER.label.lower(),
            "teamRoles": [],
            "reinvite": False,
        }
        res = self.client.post(self.members_url, data, content_type="application/json")
        self.assertEqual(res.status_code, 201)
        with transaction.atomic():
            res = self.client.post(
                self.members_url, data, content_type="application/json"
            )
        self.assertEqual(res.status_code, 409)
        data["email"] = self.user.email
        res = self.client.post(self.members_url, data, content_type="application/json")
        self.assertEqual(res.status_code, 409)

    def test_organization_users_create(self):
        team = baker.make("teams.Team", organization=self.organization)
        data = {
            "email": "new@example.com",
            "orgRole": OrganizationUserRole.MANAGER.label.lower(),
            "teamRoles": [{"teamSlug": team.slug}],
        }
        res = self.client.post(
            self.members_url, json.dumps(data), content_type="application/json"
        )
        self.assertContains(res, data["email"], status_code=201)
        self.assertEqual(res.json()["role"], "manager")
        self.assertTrue(
            OrganizationUser.objects.filter(
                organization=self.organization,
                email=data["email"],
                user=None,
                role=OrganizationUserRole.MANAGER,
            ).exists()
        )
        self.assertTrue(team.members.exists())
        self.assertEqual(len(mail.outbox), 1)

    def test_organization_users_create_and_accept(self):
        data = {
            "email": "new@example.com",
            "orgRole": OrganizationUserRole.MANAGER.label.lower(),
            "teamRoles": [],
        }
        self.client.post(self.members_url, data, content_type="application/json")
        body = mail.outbox[0].body
        body[body.find("http://localhost:8000/accept/") :].split("/")[4]

    def test_organization_users_create_without_permissions(self):
        """Admin cannot add users to org"""
        self.org_user.role = OrganizationUserRole.ADMIN
        self.org_user.save()
        data = {
            "email": "new@example.com",
            "orgRole": OrganizationUserRole.MANAGER.label.lower(),
            "teamRoles": [],
        }
        res = self.client.post(self.members_url, data, content_type="application/json")
        self.assertEqual(res.status_code, 403)

    def test_organization_users_reinvite(self):
        other_user = baker.make("users.user")
        baker.make(
            "organizations_ext.OrganizationUser",
            email=other_user.email,
            organization=self.organization,
        )

        data = {
            "email": other_user.email,
            "orgRole": OrganizationUserRole.MANAGER.label.lower(),
            "teamRoles": [],
        }
        res = self.client.post(self.members_url, data, content_type="application/json")
        self.assertContains(res, other_user.email, status_code=201)
        self.assertTrue(len(mail.outbox))

    def test_organization_users_update(self):
        other_user = baker.make("users.user")
        other_org_user = self.organization.add_user(other_user)

        url = self.get_org_member_detail_url(self.organization.slug, other_org_user.pk)

        new_role = OrganizationUserRole.ADMIN
        data = {"orgRole": new_role.label.lower(), "teamRoles": []}
        res = self.client.put(url, data, content_type="application/json")
        self.assertContains(res, other_user.email)
        self.assertTrue(
            OrganizationUser.objects.filter(
                organization=self.organization, role=new_role, user=other_user
            ).exists()
        )

    def test_organization_users_update_without_permissions(self):
        self.org_user.role = OrganizationUserRole.ADMIN
        self.org_user.save()
        other_user = baker.make("users.user")
        other_org_user = self.organization.add_user(other_user)

        url = self.get_org_member_detail_url(self.organization.slug, other_org_user.pk)

        new_role = OrganizationUserRole.ADMIN
        data = {"orgRole": new_role.label.lower(), "teamRoles": []}
        res = self.client.put(url, data, content_type="application/json")
        self.assertEqual(res.status_code, 404)

    def test_organization_users_delete(self):
        other_user = baker.make("users.user")
        other_org_user = self.organization.add_user(other_user)

        url = self.get_org_member_detail_url(self.organization.slug, other_org_user.pk)

        res = self.client.delete(url)
        self.assertEqual(res.status_code, 204)
        self.assertEqual(other_user.organizations_ext_organizationuser.count(), 0)

        url = self.get_org_member_detail_url(self.organization.slug, self.org_user.pk)
        res = self.client.delete(url)
        self.assertEqual(
            res.status_code,
            400,
            "Org owner should not be able to remove themselves from org",
        )

        third_user = baker.make("users.user")
        third_org_user = self.organization.add_user(third_user)
        change_ownership_url = (
            self.get_org_member_detail_url(self.organization.slug, third_org_user.pk)
            + "set_owner/"
        )
        self.client.post(change_ownership_url)

        res = self.client.delete(url)
        self.assertEqual(
            res.status_code,
            204,
            "Can remove self after transferring ownership",
        )

    def test_organization_users_delete_without_permissions(self):
        self.org_user.role = OrganizationUserRole.ADMIN
        self.org_user.save()
        other_user = baker.make("users.user")
        other_org_user = self.organization.add_user(other_user)

        url = self.get_org_member_detail_url(self.organization.slug, other_org_user.pk)

        res = self.client.delete(url)
        self.assertEqual(res.status_code, 404)
        self.assertEqual(other_user.organizations_ext_organizationuser.count(), 1)

    def test_organization_members_set_owner(self):
        other_user = baker.make("users.user")
        other_org_user = self.organization.add_user(other_user)
        random_org_user = baker.make("organizations_ext.OrganizationUser")

        url = reverse(
            "api:set_organization_owner",
            args=[self.organization.slug, random_org_user.pk],
        )
        res = self.client.post(url)
        self.assertEqual(
            res.status_code, 404, "Don't set random unrelated users as owner"
        )

        url = (
            self.get_org_member_detail_url(self.organization.slug, other_org_user.pk)
            + "set_owner/"
        )
        res = self.client.post(url)
        self.assertTrue(
            res.json()["isOwner"], "Current owner may set another org member as owner"
        )

        url = reverse(
            "api:set_organization_owner",
            args=[self.organization.slug, self.org_user.pk],
        )
        url = (
            self.get_org_member_detail_url(self.organization.slug, self.org_user.pk)
            + "set_owner/"
        )
        self.org_user.role = OrganizationUserRole.MANAGER
        self.org_user.save()
        res = self.client.post(url)
        self.assertEqual(
            res.status_code, 403, "Can't set self as owner with only manager role"
        )

        self.org_user.role = OrganizationUserRole.OWNER
        self.org_user.save()
        res = self.client.post(url)
        self.assertTrue(res.json()["isOwner"], "Owner role may set org member as owner")
        self.assertEqual(self.organization.owners.count(), 1)