from datetime import datetime

from sqlalchemy import JSON, DateTime, ForeignKey, String, func
from sqlalchemy.orm import Mapped, mapped_column

from app.db.session import Base


class RagContext(Base):
    __tablename__ = "rag_contexts"

    id: Mapped[str] = mapped_column(String(36), primary_key=True)
    retrieval_run_id: Mapped[str] = mapped_column(ForeignKey("retrieval_runs.id"), index=True)
    created_by: Mapped[int] = mapped_column(ForeignKey("users.id"))
    response: Mapped[dict] = mapped_column(JSON, nullable=False)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now(), index=True
    )