from uuid import uuid4

from sqlalchemy import Boolean, Column, DateTime, ForeignKey, Integer, String, Text
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func

from app.core.database import Base


class Review(Base):
    __tablename__ = "reviews"

    id = Column(String(36), primary_key=True, default=lambda: str(uuid4()))
    product_id = Column(String(36), ForeignKey("products.id", ondelete="CASCADE"), nullable=False)
    user_id = Column(String(36), ForeignKey("users.id"), nullable=False)
    rating = Column(Integer, nullable=False)  # 1-5 rating
    title = Column(String(255), nullable=True)
    comment = Column(Text, nullable=True)
    is_verified_purchase = Column(Boolean, default=False)
    is_approved = Column(Boolean, default=True)
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    updated_at = Column(DateTime(timezone=True), onupdate=func.now())

    # Relationships
    product = relationship("Product", back_populates="reviews")
    user = relationship("User", back_populates="reviews")

    def __repr__(self):
        return f"<Review {self.id} by User {self.user_id} for Product {self.product_id}>"