from sqlalchemy import Column, Integer, String, DateTime, ForeignKey
from sqlalchemy.sql import func
from sqlalchemy.orm import relationship
from app.db.database import Base

class ClothingCategory(Base):
    """衣服分类表"""
    __tablename__ = "clothing_category"
    
    id = Column(Integer, primary_key=True, autoincrement=True, index=True)
    name = Column(String(50), nullable=False, comment="分类名称")
    create_time = Column(DateTime, default=func.now(), comment="创建时间")
    
    # 关系
    clothes = relationship("Clothing", back_populates="category", cascade="all, delete-orphan")
    
    def __repr__(self):
        return f"<ClothingCategory(id={self.id}, name={self.name})>"
        
class Clothing(Base):
    """衣服表"""
    __tablename__ = "clothing"
    
    id = Column(Integer, primary_key=True, autoincrement=True, index=True)
    clothing_category_id = Column(Integer, ForeignKey("clothing_category.id"), nullable=False, index=True, comment="分类ID")
    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    image_url = Column(String(500), nullable=False, comment="图片URL")
    create_time = Column(DateTime, default=func.now(), comment="创建时间")
    
    # 关系
    category = relationship("ClothingCategory", back_populates="clothes")
    user = relationship("User", back_populates="clothings")
    
    def __repr__(self):
        return f"<Clothing(id={self.id}, category_id={self.clothing_category_id})>"