from dataclasses import dataclass
from datetime import datetime
from typing import Optional

from sqlalchemy import Column, Integer, String, BIGINT, TIMESTAMP, func
from sqlalchemy.dialects.postgresql import BIGINT

from database.database import Base

@dataclass
class THotContent(Base):
    __tablename__ = 't_hot_content'

    id: int = Column(BIGINT, primary_key=True, autoincrement=True, comment='序号')
    topic_id: int = Column(BIGINT, nullable=False, comment='关联话题ID')
    url: Optional[str] = Column(String, nullable=True, comment='内容链接')
    content: Optional[str] = Column(String, nullable=True, comment='内容详情')
    content_upvote_count: Optional[int] = Column(BIGINT, nullable=True, comment='内容点赞数量')
    content_comment_count: Optional[int] = Column(Integer, nullable=True, comment='内容评论数量')
    create_time: datetime = Column(TIMESTAMP(timezone=True), server_default=func.now(), nullable=False, comment='创建时间')

    def __repr__(self):
        return f"<THotContent(id={self.id}, topic_id={self.topic_id}, url={self.url}, content_upvote_count={self.content_upvote_count})>"