"""
SQLAlchemy 数据库模型
"""
from sqlalchemy import Column, Integer, String, Float, Boolean, DateTime, Text
from sqlalchemy.sql import func
from .base import Base


class User(Base):
    """用户表"""
    __tablename__ = "users"

    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
    username = Column(String(50), unique=True, index=True, nullable=False, comment="用户名")
    email = Column(String(100), unique=True, index=True, nullable=False, comment="邮箱")
    full_name = Column(String(100), nullable=True, comment="全名")
    is_active = Column(Boolean, default=True, nullable=False, comment="是否激活")
    created_at = Column(DateTime(timezone=True), server_default=func.now(), comment="创建时间")
    updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), comment="更新时间")

    def __repr__(self):
        return f"<User(id={self.id}, username='{self.username}', email='{self.email}')>"


class Product(Base):
    """产品表"""
    __tablename__ = "products"

    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
    name = Column(String(200), nullable=False, comment="产品名称")
    description = Column(Text, nullable=True, comment="产品描述")
    price = Column(Float, nullable=False, comment="价格")
    stock = Column(Integer, default=0, nullable=False, comment="库存数量")
    is_available = Column(Boolean, default=True, nullable=False, comment="是否可用")
    created_at = Column(DateTime(timezone=True), server_default=func.now(), comment="创建时间")
    updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), comment="更新时间")

    def __repr__(self):
        return f"<Product(id={self.id}, name='{self.name}', price={self.price})>"