from sqlalchemy import Column, DateTime, ForeignKey, Integer, String, Text
from sqlalchemy.sql import func

from database import Base


class AuditLog(Base):
    """安全审计日志：记录登录、权限变更、内容发布、敏感操作等。"""
    __tablename__ = "audit_logs"

    id = Column(Integer, primary_key=True, index=True)
    user_id = Column(Integer, nullable=True, index=True)
    username = Column(String(100), default="")
    action = Column(String(64), nullable=False, index=True)
    target_type = Column(String(32), default="")
    target_id = Column(String(64), default="")
    detail = Column(Text, default="")
    ip = Column(String(64), default="")
    user_agent = Column(String(255), default="")
    status = Column(String(16), default="success")  # success / failed / denied
    created_at = Column(DateTime, server_default=func.now())