"""操作审计日志模型。"""
from sqlalchemy import Column, Integer, String, Text, DateTime, Index
from sqlalchemy.sql import func

from app.core.database import Base


class OperationLog(Base):
    __tablename__ = "operation_logs"

    id = Column(Integer, primary_key=True, autoincrement=True)
    user_id = Column(Integer, nullable=True, comment="操作者ID（系统操作为空）")
    username = Column(String(50), nullable=True, comment="操作者用户名")
    action = Column(String(50), nullable=False, comment="操作类型: login/create/update/delete/execute/approve/reject")
    resource_type = Column(String(50), nullable=True, comment="资源类型: ticket/instance/user/audit_rule/notification/workflow")
    resource_id = Column(Integer, nullable=True, comment="资源ID")
    detail = Column(Text, nullable=True, comment="操作详情")
    ip_address = Column(String(50), nullable=True, comment="操作者IP")
    user_agent = Column(String(255), nullable=True, comment="浏览器UA")
    created_at = Column(DateTime(timezone=True), server_default=func.now())

    __table_args__ = (
        Index("ix_oplog_user_id", "user_id"),
        Index("ix_oplog_action", "action"),
        Index("ix_oplog_resource", "resource_type", "resource_id"),
        Index("ix_oplog_created_at", "created_at"),
    )