from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy import Column, String, Boolean
from sqlalchemy.ext.declarative import declarative_base

Base = declarative_base()
router = APIRouter()

class UserSession(Base):
    __tablename__ = "user_sessions"
    
    id = Column(String, primary_key=True)
    token = Column(String)
    is_active = Column(Boolean, default=True)

@router.post("/logout")
async def logout_demo(
    token: str = "dummy_jwt_token_123"
):
    """Demo logout endpoint"""
    if not token:
        raise HTTPException(status_code=400, detail="Invalid token")

    return {
        "message": "Logout successful",
        "token": token,
        "features": {
            "cleared_sessions": True,
            "status": "logged_out"
        }
    }

# migrations/versions/001_create_user_sessions.py
"""create user sessions table

Revision ID: 001
Revises: 
Create Date: 2024-01-10

"""
from alembic import op
import sqlalchemy as sa

def upgrade():
    op.create_table(
        'user_sessions',
        sa.Column('id', sa.String(), nullable=False),
        sa.Column('token', sa.String(), nullable=False),
        sa.Column('is_active', sa.Boolean(), nullable=False),
        sa.PrimaryKeyConstraint('id')
    )

def downgrade():
    op.drop_table('user_sessions')