import os
import pathlib
import pytest

# TODO - this seems to be a "magic path" which makes fixtures available. Learn more about it by reading
# https://stackoverflow.com/questions/34466027/what-is-conftest-py-for-in-pytest

from app import create_app

# https://flask.palletsprojects.com/en/2.3.x/testing/

@pytest.fixture()
def app_fixture():
    # Start afresh!
    test_database_name = 'testing-db.sqlite'
    database_location = pathlib.Path('instance').joinpath(test_database_name)
    if database_location.exists():
        database_location.unlink()

    os.environ['DATABASE_URI'] = f'sqlite:///{test_database_name}'
    os.environ['SECRET_KEY'] = 'testing-secret-key'

    app = create_app()
    # app.config.update({
    #     'TESTING': True
    # })

    # other setup can go here

    yield app

    # clean up / reset resources here

@pytest.fixture()
def client(app_fixture):
    return app_fixture.test_client()

@pytest.fixture()
def runner(app_fixture):
    return app_fixture.test_cli_runner()