"""# Summary

Appointments persistence ports — integer-id document and repository factory.
"""
from mongo_ops import BaseDocument
from pydantic import Field

from domain.appointments.models import Appointment
from infra.db.repos import create_repo


class AppointmentDocument(Appointment, BaseDocument):
    """Persisted appointment document. The integer ``id`` shadows the ObjectId."""

    id: int | None = Field(default=None, validation_alias="_id")


def create_appointment_repo():
    """Create the appointment repository selected by ``settings.repo_backend``.

    Returns:
        IntIdMemoryRepository | IntIdMongoRepository: Repository wired to the
        ``appointments`` collection/store.
    """
    return create_repo("appointments", AppointmentDocument)