"""问答反馈模型。"""

from __future__ import annotations

from typing import Any, Optional

from sqlalchemy import BigInteger, ForeignKey, Integer, Text, VARCHAR
from sqlalchemy.orm import Mapped, mapped_column

from .base import Base
from .types import JSONB


class QAFeedback(Base):
    __tablename__ = "qa_feedback"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    qa_id: Mapped[int] = mapped_column(
        Integer,
        ForeignKey("qa_records.id", ondelete="CASCADE"),
        nullable=False,
        index=True,
    )
    rating: Mapped[str] = mapped_column(VARCHAR(16), nullable=False, index=True)
    helpfulness: Mapped[Optional[str]] = mapped_column(VARCHAR(32), nullable=True)
    error_types: Mapped[Optional[Any]] = mapped_column(JSONB, nullable=True)
    correct_answer: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
    submitted_by: Mapped[Optional[int]] = mapped_column(BigInteger, nullable=True, index=True)