"""
公告模型
"""
from datetime import datetime
from app.utils.timezone import beijing_now_naive
from sqlalchemy import Column, Integer, String, DateTime, Boolean, Text
from app.database import Base


class Announcement(Base):
    """公告表"""
    __tablename__ = "announcements"
    
    id = Column(Integer, primary_key=True, autoincrement=True, comment="主键ID")
    title = Column(String(200), nullable=False, comment="公告标题")
    content = Column(Text, nullable=False, comment="公告内容")
    priority = Column(Integer, default=0, comment="优先级: 0-普通, 1-重要, 2-紧急")
    is_active = Column(Boolean, default=True, comment="是否启用: 1-启用, 0-禁用")
    publish_time = Column(DateTime, nullable=True, comment="发布时间")
    is_deleted = Column(Boolean, default=False, comment="是否删除: 0-否, 1-是")
    created_at = Column(DateTime, default=beijing_now_naive, comment="创建时间")
    updated_at = Column(DateTime, default=beijing_now_naive, onupdate=beijing_now_naive, comment="更新时间")
    
    def __repr__(self):
        return f"<Announcement(id={self.id}, title='{self.title}')>"