import { NextResponse } from 'next/server';
import { auth } from '@/lib/firebase/config';
import { adminAuth } from '@/lib/firebase/admin';

export async function GET() {
  try {
    // Get current user from client-side auth
    const user = auth.currentUser;
    
    if (!user) {
      return NextResponse.json({ error: 'Not authenticated' }, { status: 401 });
    }

    // Get ID token
    const token = await user.getIdToken();
    
    console.log('Token length:', token.length);
    console.log('User UID:', user.uid);
    
    // Try to verify it with Admin SDK
    const decodedToken = await adminAuth.verifyIdToken(token);
    
    return NextResponse.json({
      success: true,
      clientUid: user.uid,
      decodedUid: decodedToken.uid,
      match: user.uid === decodedToken.uid,
    });
  } catch (error) {
    console.error('Token verification error:', error);
    return NextResponse.json({
      error: 'Token verification failed',
      details: error instanceof Error ? error.message : String(error),
    }, { status: 500 });
  }
}