import logging

from django.apps import AppConfig


logger = logging.getLogger(__name__)


class RidesConfig(AppConfig):
    default_auto_field = "django.db.models.BigAutoField"
    name = "apps.rides"

    def ready(self):
        import apps.rides.choices  # noqa: F401 - Register choices
        import apps.rides.signals  # noqa: F401 - Register signals
        import apps.rides.tasks  # noqa: F401 - Register Celery tasks

        self._apply_state_machines()
        self._register_callbacks()

    def _apply_state_machines(self):
        """Apply FSM to ride models."""
        from apps.core.state_machine import apply_state_machine
        from apps.rides.models import Ride

        # Register FSM transitions for Ride
        apply_state_machine(
            Ride, field_name="status", choice_group="statuses", domain="rides"
        )

    def _register_callbacks(self):
        """Register FSM transition callbacks for ride models."""
        from apps.core.state_machine.registry import register_callback
        from apps.core.state_machine.callbacks.cache import (
            RideCacheInvalidation,
            APICacheInvalidation,
        )
        from apps.core.state_machine.callbacks.related_updates import (
            ParkCountUpdateCallback,
            SearchTextUpdateCallback,
        )
        from apps.rides.models import Ride

        # Cache invalidation for all ride status changes
        register_callback(
            Ride, 'status', '*', '*',
            RideCacheInvalidation()
        )

        # API cache invalidation
        register_callback(
            Ride, 'status', '*', '*',
            APICacheInvalidation(include_geo_cache=True)
        )

        # Park count updates for status changes that affect active rides
        register_callback(
            Ride, 'status', '*', 'OPERATING',
            ParkCountUpdateCallback()
        )
        register_callback(
            Ride, 'status', 'OPERATING', '*',
            ParkCountUpdateCallback()
        )
        register_callback(
            Ride, 'status', '*', 'CLOSED_PERM',
            ParkCountUpdateCallback()
        )
        register_callback(
            Ride, 'status', '*', 'DEMOLISHED',
            ParkCountUpdateCallback()
        )
        register_callback(
            Ride, 'status', '*', 'RELOCATED',
            ParkCountUpdateCallback()
        )

        # Search text update
        register_callback(
            Ride, 'status', '*', '*',
            SearchTextUpdateCallback()
        )

        logger.debug("Registered ride transition callbacks")