"""审计日志 ORM 模型。"""
import uuid
from datetime import datetime
from sqlalchemy import String, DateTime, Text
from sqlalchemy.orm import Mapped, mapped_column

from app.database import Base


class AuditLog(Base):
    __tablename__ = "audit_logs"

    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
    user_id: Mapped[str] = mapped_column(String(36), nullable=False, index=True)
    username: Mapped[str] = mapped_column(String(50), nullable=False)
    action: Mapped[str] = mapped_column(String(100), nullable=False, index=True)
    target: Mapped[str] = mapped_column(String(255), nullable=False)
    detail: Mapped[str | None] = mapped_column(Text, nullable=True)
    ip_address: Mapped[str | None] = mapped_column(String(45), nullable=True)
    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)