from datetime import datetime
from sqlalchemy import Column, Integer, String, DateTime, Boolean
from sqlalchemy.ext.declarative import declarative_base

Base = declarative_base()

class APIKey(Base):
    """API 密钥模型"""
    __tablename__ = "api_keys"
    
    id = Column(Integer, primary_key=True, index=True)
    name = Column(String(255), nullable=False)
    key_hash = Column(String(255), nullable=False, unique=True, index=True)
    key_prefix = Column(String(8), nullable=False, index=True)
    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
    last_used = Column(DateTime, default=datetime.utcnow, nullable=False)
    is_active = Column(Boolean, default=True, nullable=False, index=True)
    
    def __repr__(self):
        return f"<APIKey(id={self.id}, name={self.name}, prefix={self.key_prefix}, active={self.is_active})>"