import pytest

from auth.auth_context import (get_authenticated_user, get_grant_context, get_validated_token,
                               get_validated_oauth_token)
from auth.validateresult import AuthKind, ValidateResult
from data import model
from test.fixtures import *


def get_user():
  return model.user.get_user('devtable')

def get_robot():
  robot, _ = model.user.create_robot('somebot', get_user())
  return robot

def get_token():
  return model.token.create_delegate_token('devtable', 'simple', 'sometoken')

def get_oauthtoken():
  user = model.user.get_user('devtable')
  return list(model.oauth.list_access_tokens_for_user(user))[0]

def get_signeddata():
  return {'grants': {'a': 'b'}, 'user_context': {'c': 'd'}}

@pytest.mark.parametrize('get_entity,entity_kind', [
  (get_user, 'user'),
  (get_robot, 'robot'),
  (get_token, 'token'),
  (get_oauthtoken, 'oauthtoken'),
  (get_signeddata, 'signed_data'),
])
def test_apply_context(get_entity, entity_kind, app):
  assert get_authenticated_user() is None
  assert get_validated_token() is None
  assert get_validated_oauth_token() is None
  assert get_grant_context() is None

  entity = get_entity()
  args = {}
  args[entity_kind] = entity

  result = ValidateResult(AuthKind.basic, **args)
  result.apply_to_context()

  expected_user = entity if entity_kind == 'user' or entity_kind == 'robot' else None
  if entity_kind == 'oauthtoken':
    expected_user = entity.authorized_user

  expected_token = entity if entity_kind == 'token' else None
  expected_oauth = entity if entity_kind == 'oauthtoken' else None

  fake_grant = {
    'user': {'c': 'd'},
    'kind': 'user',
  }
  expected_grant = fake_grant if entity_kind == 'signed_data' else None

  assert get_authenticated_user() == expected_user
  assert get_validated_token() == expected_token
  assert get_validated_oauth_token() == expected_oauth
  assert get_grant_context() == expected_grant