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

from ..database import Base


class Review(Base):
    """User reviews for completed vehicle requests"""
    __tablename__ = "reviews"
    __table_args__ = (
        CheckConstraint('rating >= 1 AND rating <= 5', name='check_rating_range'),
    )

    id = Column(Integer, primary_key=True, index=True)
    request_id = Column(Integer, ForeignKey("vehicle_requests.id"), nullable=False, unique=True)
    author_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
    rating = Column(Integer, nullable=False)
    title = Column(String(255), nullable=False)
    content = Column(Text, nullable=False)
    cc_rewarded = Column(Boolean, default=False)
    is_published = Column(Boolean, default=True, index=True)
    view_count = Column(Integer, default=0)
    created_at = Column(DateTime(timezone=True), server_default=func.now(), index=True)
    updated_at = Column(DateTime(timezone=True), onupdate=func.now())

    # Relationships
    request = relationship("VehicleRequest", backref="review")
    author = relationship("User", backref="reviews")