# history_tracking/apps.py
from django.apps import AppConfig


class HistoryTrackingConfig(AppConfig):
    default_auto_field = "django.db.models.BigAutoField"
    name = "history_tracking"

    def ready(self):
        from django.apps import apps
        from .mixins import HistoricalChangeMixin

        # Get the Park model
        try:
            Park = apps.get_model('parks', 'Park')
            ParkArea = apps.get_model('parks', 'ParkArea')
            
            # Apply mixin to historical models
            if HistoricalChangeMixin not in Park.history.model.__bases__:
                Park.history.model.__bases__ = (HistoricalChangeMixin,) + Park.history.model.__bases__
            
            if HistoricalChangeMixin not in ParkArea.history.model.__bases__:
                ParkArea.history.model.__bases__ = (HistoricalChangeMixin,) + ParkArea.history.model.__bases__
        except LookupError:
            # Models might not be loaded yet
            pass