from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, Boolean
from sqlalchemy.orm import relationship
from datetime import datetime, timezone, timedelta

from app.core.database import Base


class RefreshToken(Base):
    __tablename__ = "refresh_tokens"

    id = Column(Integer, primary_key=True, index=True)
    token = Column(String, unique=True, index=True, nullable=False)
    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    expires_at = Column(DateTime, nullable=False)
    is_revoked = Column(Boolean, default=False, nullable=False)
    created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))

    # Relationships
    user = relationship("User", back_populates="refresh_tokens")