"""用户模型"""
from datetime import datetime
from sqlalchemy import Column, BigInteger, String, Enum, TIMESTAMP, SmallInteger
from ..database import Base


class User(Base):
    """用户表"""
    __tablename__ = "platform_users"
    
    id = Column(BigInteger, primary_key=True, autoincrement=True)
    username = Column(String(50), unique=True, nullable=False)
    password_hash = Column(String(255), nullable=False)
    nickname = Column(String(100))
    role = Column(Enum('admin', 'operator', 'viewer'), default='viewer')
    status = Column(SmallInteger, default=1)  # 1=启用, 0=禁用
    last_login_at = Column(TIMESTAMP, nullable=True)
    created_at = Column(TIMESTAMP, default=datetime.now)
    updated_at = Column(TIMESTAMP, default=datetime.now, onupdate=datetime.now)