import uuid
from datetime import datetime

from sqlalchemy import DateTime, ForeignKey
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.models.base import Base, TimestampMixin, UUIDPrimaryKeyMixin
from app.models.user import User


class AuthSession(UUIDPrimaryKeyMixin, TimestampMixin, Base):
    """Server-side login session; the id doubles as the cookie token."""

    __tablename__ = "auth_sessions"

    user_id: Mapped[uuid.UUID] = mapped_column(
        ForeignKey("users.id", ondelete="CASCADE"), index=True
    )
    expires_at: Mapped[datetime] = mapped_column(DateTime(timezone=True))

    user: Mapped[User] = relationship(lazy="joined")