import pendulum
import pytest

from atst.jobs import RecordEnvironmentFailure, RecordEnvironmentRoleFailure
from tests.factories import EnvironmentFactory, EnvironmentRoleFactory, UserFactory
from uuid import uuid4
from unittest.mock import Mock
from tests.factories import (
    UserFactory,
    PortfolioFactory,
    CLINFactory,
    TaskOrderFactory,
    EnvironmentFactory
)
from atst.domain.csp.cloud import MockCloudProvider
from atst.jobs import (
    do_create_environment,
    do_create_atat_admin_user,
    do_create_environment_baseline,
    environments_to_create,
)
from atst.models import Environment

def test_environment_job_failure(celery_app, celery_worker):
    @celery_app.task(bind=True, base=RecordEnvironmentFailure)
    def _fail_hard(self, environment_id=None):
        raise ValueError("something bad happened")

    environment = EnvironmentFactory.create()
    celery_worker.reload()

    # Use apply instead of delay since we are testing the on_failure hook only
    task = _fail_hard.apply(kwargs={"environment_id": environment.id})
    with pytest.raises(ValueError):
        task.get()

    assert environment.job_failures
    job_failure = environment.job_failures[0]
    assert job_failure.task == task


def test_environment_role_job_failure(celery_app, celery_worker):
    @celery_app.task(bind=True, base=RecordEnvironmentRoleFailure)
    def _fail_hard(self, environment_role_id=None):
        raise ValueError("something bad happened")

    role = EnvironmentRoleFactory.create()
    celery_worker.reload()

    # Use apply instead of delay since we are testing the on_failure hook only
    task = _fail_hard.apply(kwargs={"environment_role_id": role.id})
    with pytest.raises(ValueError):
        task.get()

    assert role.job_failures
    job_failure = role.job_failures[0]
    assert job_failure.task == task

now = pendulum.now()
yesterday = now.subtract(days=1)
tomorrow = now.add(days=1)


@pytest.fixture(autouse=True, scope="function")
def csp():
    return Mock(wraps=MockCloudProvider({}, with_delay=False, with_failure=False))


def test_create_environment_job(session, csp):
    user = UserFactory.create()
    environment = EnvironmentFactory.create()
    do_create_environment(csp, environment.id, user.id)

    environment_id = environment.id
    del environment

    updated_environment = session.query(Environment).get(environment_id)

    assert updated_environment.cloud_id


def test_create_environment_job_is_idempotent(csp, session):
    user = UserFactory.create()
    environment = EnvironmentFactory.create(cloud_id=uuid4().hex)
    do_create_environment(csp, environment.id, user.id)

    csp.create_environment.assert_not_called()


def test_create_atat_admin_user(csp, session):
    environment = EnvironmentFactory.create(cloud_id="something")
    do_create_atat_admin_user(csp, environment.id)

    environment_id = environment.id
    del environment
    updated_environment = session.query(Environment).get(environment_id)

    assert updated_environment.root_user_info


def test_create_environment_baseline(csp, session):
    environment = EnvironmentFactory.create(
        root_user_info={"credentials": csp.root_creds()}
    )
    do_create_environment_baseline(csp, environment.id)

    environment_id = environment.id
    del environment
    updated_environment = session.query(Environment).get(environment_id)

    assert updated_environment.baseline_info


def create_portfolio_with_clins(start_and_end_dates):
    return PortfolioFactory.create(
        applications=[
            {
                "name": "Mos Eisley",
                "description": "Where Han shot first",
                "environments": [{"name": "thebar"}],
            }
        ],
        task_orders=[
            TaskOrderFactory.create(
                clins=[
                    CLINFactory.create(start_date=start_date, end_date=end_date)
                    for (start_date, end_date) in start_and_end_dates
                ]
            )
        ],
    )


def test_dispatch_query_with_expired_clins(session):
    create_portfolio_with_clins([(yesterday, yesterday)])
    assert len(environments_to_create(pendulum.now())) == 0


def test_dispatch_query_with_active_clins(session):
    portfolio = create_portfolio_with_clins([(yesterday, tomorrow)])
    environments_to_create(pendulum.now()) == [
        portfolio.applications[0].environments[0].id
    ]


def test_dispatch_query_with_future_clins(session):
    create_portfolio_with_clins([(tomorrow, tomorrow)])
    assert len(environments_to_create(pendulum.now())) == 0