from django.test import TestCase, Client
from django.contrib.auth.models import Permission
from knox.models import AuthToken

from authentication.models import ExtendedUser
from inventory.models import Container


class ContainerTestCase(TestCase):

    def setUp(self):
        self.user = ExtendedUser.objects.create_user('testuser', 'test', 'test')
        self.user.user_permissions.add(*Permission.objects.all())
        self.token = AuthToken.objects.create(user=self.user)
        self.client = Client(headers={'Authorization': 'Token ' + self.token[1]})

    def test_empty(self):
        response = self.client.get('/api/2/boxes/')
        self.assertEqual(response.status_code, 200)
        self.assertEqual(response.json(), [])

    def test_members(self):
        Container.objects.create(name='BOX')
        response = self.client.get('/api/2/boxes/')
        self.assertEqual(response.status_code, 200)
        self.assertEqual(len(response.json()), 1)
        self.assertEqual(response.json()[0]['cid'], 1)
        self.assertEqual(response.json()[0]['name'], 'BOX')
        self.assertEqual(response.json()[0]['itemCount'], 0)

    def test_multi_members(self):
        Container.objects.create(name='BOX 1')
        Container.objects.create(name='BOX 2')
        Container.objects.create(name='BOX 3')
        response = self.client.get('/api/2/boxes/')
        self.assertEqual(response.status_code, 200)
        self.assertEqual(len(response.json()), 3)

    def test_create_container(self):
        response = self.client.post('/api/2/box/', {'name': 'BOX'})
        self.assertEqual(response.status_code, 201)
        self.assertEqual(response.json()['cid'], 1)
        self.assertEqual(response.json()['name'], 'BOX')
        self.assertEqual(response.json()['itemCount'], 0)
        self.assertEqual(len(Container.objects.all()), 1)
        self.assertEqual(Container.objects.all()[0].cid, 1)
        self.assertEqual(Container.objects.all()[0].name, 'BOX')

    def test_update_container(self):
        box = Container.objects.create(name='BOX 1')
        response = self.client.put(f'/api/2/box/{box.cid}/', {'name': 'BOX 2'}, content_type='application/json')
        self.assertEqual(response.status_code, 200)
        self.assertEqual(response.json()['cid'], 1)
        self.assertEqual(response.json()['name'], 'BOX 2')
        self.assertEqual(response.json()['itemCount'], 0)
        self.assertEqual(len(Container.objects.all()), 1)
        self.assertEqual(Container.objects.all()[0].cid, 1)
        self.assertEqual(Container.objects.all()[0].name, 'BOX 2')

    def test_delete_container(self):
        box = Container.objects.create(name='BOX 1')
        Container.objects.create(name='BOX 2')
        self.assertEqual(len(Container.objects.all()), 2)
        response = self.client.delete(f'/api/2/box/{box.cid}/')
        self.assertEqual(response.status_code, 204)
        self.assertEqual(len(Container.objects.all()), 1)