from sqlalchemy import func, select

from db.models import Session
from db.session import UnitOfWork
from schemas.providers import ProvidersType


class SessionsRepository:
    def __init__(self, uow: UnitOfWork) -> None:
        self.uow = uow
        self.session = uow.session

    async def get_session_by_id(self, id: int) -> Session | None:
        stmt = select(Session).where(Session.id == id)
        res = await self.session.execute(stmt)
        return res.scalar_one_or_none()

    async def get_session_by_user_id(self, user_id: int) -> Session | None:
        stmt = select(Session).where(Session.user_id == user_id)
        res = await self.session.execute(stmt)
        return res.scalar_one_or_none()

    async def get_session_by_hash(self, token_hash: str) -> Session | None:
        stmt = select(Session).where(Session.refresh_token_hash == token_hash)
        res = await self.session.execute(stmt)
        return res.scalar_one_or_none()

    async def create(self, user_id: int, refresh_token_hash: str, iss: ProvidersType) -> Session:
        obj = Session(user_id=user_id, refresh_token_hash=refresh_token_hash, source=iss)
        self.session.add(obj)
        return obj

    async def revoke(self, token_id: int):
        session = await self.get_session_by_id(token_id)
        session.is_revoked = True
        session.revoked_at = func.now()
        return session