backend/models.py

from sqlalchemy import Column, Integer, String, Boolean, DateTime
from datetime import datetime
from database import Base

class User(Base):
    __tablename__ = "users"

    id = Column(Integer, primary_key=True, index=True)
    username = Column(String, unique=True, index=True, nullable=False)
    email = Column(String, unique=True, index=True, nullable=False)
    password = Column(String, nullable=False)
    is_active = Column(Boolean, default=True)
    role = Column(String, default="user")
    created_at = Column(DateTime, default=datetime.utcnow)

    # ─── Verification Columns for SMTP Flow ───
    is_verified = Column(Boolean, default=False)      # must be True before login is allowed
    verification_code = Column(String, nullable=True) # stores the active registration OTP code
    reset_code = Column(String, nullable=True)        # stores the active forgot password OTP code

class RevokedToken(Base):
    __tablename__ = "revoked_tokens"

    id = Column(Integer, primary_key=True, index=True)
    token = Column(String, unique=True, index=True, nullable=False)
    revoked_at = Column(DateTime, default=datetime.utcnow)
    expires_at = Column(DateTime, nullable=False)