from typing import Optional, Sequence

from sqlalchemy import select, desc
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy.orm import joinedload

from app.domain.models import Appointment


class AppointmentsRepository:
    def __init__(self, db: AsyncSession):
        self.db = db

    async def get_all(self) -> Sequence[Appointment]:
        stmt = (
            select(Appointment)
            .options(joinedload(Appointment.type))
            .options(joinedload(Appointment.patient))
            .order_by(desc(Appointment.))
        )
        result = await self.db.execute(stmt)
        return result.scalars().all()

    async def get_by_doctor_id(self, doctor_id: int):
        stmt = (
            select(Appointment)
            .options(joinedload(Appointment.type))
            .options(joinedload(Appointment.patient))
            .filter()
        )