from django.contrib.auth import get_user_model
from django.contrib.auth.models import Permission
from django.contrib.contenttypes.models import ContentType
from django.test import TestCase

from gestioncof.models import CofProfile

from ..models import Account
from .testcases import TestCaseMixin
from .utils import create_root, create_team, create_user, get_perms, user_add_perms

User = get_user_model()


class UserHelpersTests(TestCaseMixin, TestCase):
    def test_create_user(self):
        """create_user creates a basic user and its account."""
        u = create_user()
        a = u.profile.account_kfet

        self.assertInstanceExpected(
            u, {"get_full_name": "first last", "username": "user"}
        )
        self.assertFalse(u.user_permissions.exists())

        self.assertEqual("000", a.trigramme)

    def test_create_team(self):
        u = create_team()
        a = u.profile.account_kfet

        self.assertInstanceExpected(
            u, {"get_full_name": "team member", "username": "team"}
        )
        self.assertTrue(u.has_perm("kfet.is_team"))

        self.assertEqual("100", a.trigramme)

    def test_create_root(self):
        u = create_root()
        a = u.profile.account_kfet

        self.assertInstanceExpected(
            u,
            {
                "get_full_name": "super user",
                "username": "root",
                "is_superuser": True,
                "is_staff": True,
            },
        )

        self.assertEqual("200", a.trigramme)


class PermHelpersTest(TestCaseMixin, TestCase):
    def setUp(self):
        cts = ContentType.objects.get_for_models(Account, CofProfile)
        self.perm1 = Permission.objects.create(
            content_type=cts[Account], codename="test_perm", name="Perm for test"
        )
        self.perm2 = Permission.objects.create(
            content_type=cts[CofProfile],
            codename="another_test_perm",
            name="Another one",
        )
        self.perm_team = Permission.objects.get(
            content_type__app_label="kfet", codename="is_team"
        )

    def test_get_perms(self):
        perms = get_perms("kfet.test_perm", "gestioncof.another_test_perm")
        self.assertDictEqual(
            perms,
            {"kfet.test_perm": self.perm1, "gestioncof.another_test_perm": self.perm2},
        )

    def test_user_add_perms(self):
        user = User.objects.create_user(username="user", password="user")
        user.user_permissions.add(self.perm1)

        user_add_perms(user, ["kfet.is_team", "gestioncof.another_test_perm"])

        self.assertQuerysetEqual(
            user.user_permissions.all(),
            map(repr, [self.perm1, self.perm2, self.perm_team]),
            ordered=False,
        )