from sqlalchemy import Column, String, Integer, DateTime, ForeignKey, Numeric
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func
from core.database import Base
import uuid

class Order(Base):
    __tablename__ = "orders"
    
    id = Column(String, primary_key=True, default=lambda: str(uuid.uuid4()))
    order_number = Column(String, unique=True, nullable=False, index=True)
    customer_id = Column(String, ForeignKey("users.id"), nullable=False)
    total_amount = Column(Numeric(10, 2), nullable=False)
    status = Column(String, nullable=False, default="pending")
    shipping_address = Column(String, nullable=False)
    payment_status = Column(String, nullable=False, default="unpaid")
    
    created_at = Column(DateTime, default=func.now())
    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())
    
    customer = relationship("User", back_populates="orders")
    order_items = relationship("OrderItem", back_populates="order", cascade="all, delete-orphan")