"""系统操作日志模型。"""
from sqlalchemy import Column, Integer, String, TIMESTAMP, func, JSON
from insurance.db.compat import db


class SystemOperationLog(db.Model):
    """系统操作审计日志。"""
    __tablename__ = "system_operation_logs"

    id = Column(Integer, primary_key=True, autoincrement=True)
    user_id = Column(String(64), nullable=False, index=True)
    action = Column(String(32), nullable=False, index=True)
    target_type = Column(String(32))
    target_id = Column(String(64))
    detail = Column(JSON)
    ip = Column(String(45))
    user_agent = Column(String(256))
    created_at = Column(TIMESTAMP, server_default=func.now(), index=True)

    def to_dict(self):
        return {
            "id": self.id,
            "user_id": self.user_id,
            "action": self.action,
            "target_type": self.target_type,
            "target_id": self.target_id,
            "detail": self.detail,
            "ip": self.ip,
            "user_agent": self.user_agent,
            "created_at": str(self.created_at) if self.created_at else None,
        }