from datetime import timedelta

import pytest
from django.utils import timezone

from apps.communications.tasks import send_event_reminders
from apps.events.models import Registration


pytestmark = [pytest.mark.integration, pytest.mark.django_db]


def test_reminder_targets_confirmed_attendees_only(event_factory, user_factory, mocker):
    notify = mocker.patch("apps.communications.tasks.notify_user")
    now = timezone.now()
    event = event_factory(start_time=now + timedelta(hours=24), end_time=now + timedelta(hours=26))
    confirmed = user_factory()
    pending = user_factory()
    Registration.objects.create(event=event, user=confirmed, status=Registration.StatusChoices.CONFIRMED)
    Registration.objects.create(event=event, user=pending, status=Registration.StatusChoices.PENDING)
    assert send_event_reminders.run() == "Event reminders sent to 1 users"
    notify.assert_called_once()
    assert notify.call_args.args[0] == confirmed.id