from django.test import TestCase

from core.models import DataSource
from core.choices import ObjectChangeActionChoices
from netbox.constants import CENSOR_TOKEN, CENSOR_TOKEN_CHANGED


class DataSourceChangeLoggingTestCase(TestCase):

    def test_password_added_on_create(self):
        datasource = DataSource.objects.create(
            name='Data Source 1',
            type='git',
            source_url='http://localhost/',
            parameters={
                'username': 'jeff',
                'password': 'foobar123',
            }
        )

        objectchange = datasource.to_objectchange(ObjectChangeActionChoices.ACTION_CREATE)
        self.assertIsNone(objectchange.prechange_data)
        self.assertEqual(objectchange.postchange_data['parameters']['username'], 'jeff')
        self.assertEqual(objectchange.postchange_data['parameters']['password'], CENSOR_TOKEN_CHANGED)

    def test_password_added_on_update(self):
        datasource = DataSource.objects.create(
            name='Data Source 1',
            type='git',
            source_url='http://localhost/'
        )
        datasource.snapshot()

        # Add a blank password
        datasource.parameters = {
            'username': 'jeff',
            'password': '',
        }

        objectchange = datasource.to_objectchange(ObjectChangeActionChoices.ACTION_UPDATE)
        self.assertIsNone(objectchange.prechange_data['parameters'])
        self.assertEqual(objectchange.postchange_data['parameters']['username'], 'jeff')
        self.assertEqual(objectchange.postchange_data['parameters']['password'], '')

        # Add a password
        datasource.parameters = {
            'username': 'jeff',
            'password': 'foobar123',
        }

        objectchange = datasource.to_objectchange(ObjectChangeActionChoices.ACTION_UPDATE)
        self.assertEqual(objectchange.postchange_data['parameters']['username'], 'jeff')
        self.assertEqual(objectchange.postchange_data['parameters']['password'], CENSOR_TOKEN_CHANGED)

    def test_password_changed(self):
        datasource = DataSource.objects.create(
            name='Data Source 1',
            type='git',
            source_url='http://localhost/',
            parameters={
                'username': 'jeff',
                'password': 'password1',
            }
        )
        datasource.snapshot()

        # Change the password
        datasource.parameters['password'] = 'password2'

        objectchange = datasource.to_objectchange(ObjectChangeActionChoices.ACTION_UPDATE)
        self.assertEqual(objectchange.prechange_data['parameters']['username'], 'jeff')
        self.assertEqual(objectchange.prechange_data['parameters']['password'], CENSOR_TOKEN)
        self.assertEqual(objectchange.postchange_data['parameters']['username'], 'jeff')
        self.assertEqual(objectchange.postchange_data['parameters']['password'], CENSOR_TOKEN_CHANGED)

    def test_password_removed_on_update(self):
        datasource = DataSource.objects.create(
            name='Data Source 1',
            type='git',
            source_url='http://localhost/',
            parameters={
                'username': 'jeff',
                'password': 'foobar123',
            }
        )
        datasource.snapshot()

        objectchange = datasource.to_objectchange(ObjectChangeActionChoices.ACTION_UPDATE)
        self.assertEqual(objectchange.prechange_data['parameters']['username'], 'jeff')
        self.assertEqual(objectchange.prechange_data['parameters']['password'], CENSOR_TOKEN)
        self.assertEqual(objectchange.postchange_data['parameters']['username'], 'jeff')
        self.assertEqual(objectchange.postchange_data['parameters']['password'], CENSOR_TOKEN)

        # Remove the password
        datasource.parameters['password'] = ''

        objectchange = datasource.to_objectchange(ObjectChangeActionChoices.ACTION_UPDATE)
        self.assertEqual(objectchange.prechange_data['parameters']['username'], 'jeff')
        self.assertEqual(objectchange.prechange_data['parameters']['password'], CENSOR_TOKEN)
        self.assertEqual(objectchange.postchange_data['parameters']['username'], 'jeff')
        self.assertEqual(objectchange.postchange_data['parameters']['password'], '')

    def test_password_not_modified(self):
        datasource = DataSource.objects.create(
            name='Data Source 1',
            type='git',
            source_url='http://localhost/',
            parameters={
                'username': 'username1',
                'password': 'foobar123',
            }
        )
        datasource.snapshot()

        # Remove the password
        datasource.parameters['username'] = 'username2'

        objectchange = datasource.to_objectchange(ObjectChangeActionChoices.ACTION_UPDATE)
        self.assertEqual(objectchange.prechange_data['parameters']['username'], 'username1')
        self.assertEqual(objectchange.prechange_data['parameters']['password'], CENSOR_TOKEN)
        self.assertEqual(objectchange.postchange_data['parameters']['username'], 'username2')
        self.assertEqual(objectchange.postchange_data['parameters']['password'], CENSOR_TOKEN)