"""
API Nonce防重放模型
"""
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 APINonce(Base):
    """API Nonce防重放表"""
    __tablename__ = "api_nonces"
    
    id = Column(Integer, primary_key=True, autoincrement=True, comment="主键ID")
    nonce = Column(String(64), unique=True, nullable=False, comment="随机字符串")
    endpoint = Column(String(255), nullable=False, comment="接口路径")
    session_id = Column(String(64), nullable=True, comment="会话ID")
    user_id = Column(Integer, nullable=True, comment="用户ID")
    expires_at = Column(DateTime, nullable=False, comment="过期时间")
    created_at = Column(DateTime, default=beijing_now_naive, comment="创建时间")
    
    def __repr__(self):
        return f"<APINonce(id={self.id}, nonce='{self.nonce}', endpoint='{self.endpoint}')>"