# -*- coding: utf-8 -*-
"""每日一练推荐记录"""
from datetime import datetime, date
from sqlalchemy import Column, Integer, String, Date, DateTime, ForeignKey

from backend.database import Base


class DailyRecommendation(Base):
    __tablename__ = "daily_recommendations"

    id = Column(Integer, primary_key=True, index=True)
    user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
    question_id = Column(Integer, ForeignKey("questions.id"), nullable=False, index=True)

    recommend_date = Column(Date, default=date.today, index=True)
    strategy = Column(String(50), nullable=True)  # 如 weak_kp / review / mixed

    is_done = Column(Integer, default=0)  # 0=未完成, 1=已作答
    answer_record_id = Column(Integer, ForeignKey("answer_records.id"), nullable=True)

    created_at = Column(DateTime, default=datetime.utcnow)