import uuid
from datetime import datetime
from sqlalchemy import Column, String, DateTime, Float, Text, ForeignKey
from sqlalchemy.orm import relationship
from utils.utils import Base


class Cancellation(Base):
    __tablename__ = "cancellations"

    id = Column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
    booking_id = Column(String(36), ForeignKey("bookings.id", ondelete="RESTRICT"), nullable=False, index=True)
    user_id = Column(String(36), ForeignKey("users.id", ondelete="RESTRICT"), nullable=False, index=True)
    cancellation_datetime = Column(DateTime, nullable=False)
    reason = Column(Text, nullable=True)
    refund_amount = Column(Float, nullable=False)
    refund_status = Column(String(50), nullable=False)
    processed_at = Column(DateTime, nullable=True)
    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)

    booking = relationship("Booking", back_populates="cancellation")
    user = relationship("User", back_populates="cancellations")