from sqlalchemy import Column, Integer, String, ForeignKey, DateTime
from sqlalchemy.orm import relationship
from datetime import datetime
from app.database.database import Base


class Cart(Base):
    __tablename__ = "cart"

    id = Column(Integer, primary_key=True, index=True)
    user_id = Column(Integer, ForeignKey("user.id"), unique=True)
    created_at = Column(DateTime, default=datetime.utcnow)

    user = relationship("User", back_populates="cart")
    items = relationship("CartItem", back_populates="cart", cascade="all, delete-orphan")


class CartItem(Base):
    __tablename__ = "cart_item"

    id = Column(Integer, primary_key=True, index=True)
    cart_id = Column(Integer, ForeignKey("cart.id"))
    product_id = Column(Integer, ForeignKey("product.id"))
    quantity = Column(Integer, default=1)
    size = Column(String, nullable=True)
    color = Column(String, nullable=True)

    cart = relationship("Cart", back_populates="items")
    product = relationship("Product", back_populates="cart_items")