import structlog
from django.db.models.signals import pre_delete
from django.dispatch import receiver

from vbv_lernwelt.learning_mentor.models import (
    OrganisationSupervisor,
    OrganisationSupervisortRoleType,
)

logger = structlog.get_logger(__name__)


# CourseSessionGroup
@receiver(
    pre_delete,
    sender=OrganisationSupervisor,
    dispatch_uid="remove_org_supervisor_relations",
)
def remove_org_supervisor_relations(sender, instance: OrganisationSupervisor, **kwargs):
    if (
        instance.role
        == OrganisationSupervisortRoleType.AUSBILDUNGSVERANTWORTLICHER.value
    ):
        from vbv_lernwelt.learning_mentor.services import (
            delete_ausbildungsverantwortlicher_relation,
        )

        delete_ausbildungsverantwortlicher_relation(
            instance.supervisor, instance.organisation
        )
    elif instance.role == OrganisationSupervisortRoleType.BERUFSBILDNER.value:
        from vbv_lernwelt.learning_mentor.services import (
            delete_berufsbildner_relation,
        )

        delete_berufsbildner_relation(instance.supervisor, instance.organisation)