import pytest
from sqlalchemy import create_engine

from apistar_jwt import JWT

from cookie_api.app import application_factory
from cookie_api.util import SQLAlchemySession, DBSession
from cookie_api.models import Base

test_engine = create_engine('postgresql://apistar:local@localhost/test_cookie_api')

test_components = [
    SQLAlchemySession(engine=test_engine),
    JWT({
        'JWT_USER_ID': 'sub',
        'JWT_SECRET': 'thisisasecret',
    }),
]


@pytest.fixture(autouse=True)
def create_db():
    Base.metadata.create_all(test_engine)

    yield

    Base.metadata.drop_all(test_engine)


@pytest.fixture(name='rb_session')
def db_session_fixure():
    "Returns a SQLAlchemy session that autorolls back"
    DBSession.configure(bind=test_engine)
    session = DBSession()
    try:
        yield session
        session.rollback()
    except:
        session.rollback()
        raise
    finally:
        session.close()


@pytest.fixture(name='app', scope='session')
def apistar_app_fixture():
    """Returns a session scoped WSGIApp instance"""
    return application_factory(components=test_components)