from sqlalchemy import Column, String, Float, Integer, DateTime, ForeignKey
from sqlalchemy.orm import relationship
from sqlalchemy.ext.declarative import declarative_base
from datetime import datetime

Base = declarative_base()


class Order(Base):
    __tablename__ = "orders"

    id = Column(Integer, primary_key=True, index=True)
    customer_name = Column(String, nullable=False)
    customer_email = Column(String, nullable=False)
    status = Column(String, default="pending")
    total = Column(Float, default=0.0)
    created_at = Column(DateTime, default=datetime.now)
    updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now)

    items = relationship("OrderItem", back_populates="order", cascade="all, delete-orphan")


class OrderItem(Base):
    __tablename__ = "order_items"

    id = Column(Integer, primary_key=True, index=True)
    order_id = Column(Integer, ForeignKey("orders.id"), nullable=False)
    product_name = Column(String, nullable=False)
    quantity = Column(Integer, default=1)
    price = Column(Float, nullable=False)
    created_at = Column(DateTime, default=datetime.now)

    order = relationship("Order", back_populates="items")