import express from 'express';
import pool from '../db/pool.js';
import { DEV_USER_ID } from '../middleware/auth.js';

const router = express.Router();

// Real users = anyone except the seeded dev row.
async function realUserCount() {
  const { rows } = await pool.query(
    `SELECT COUNT(*)::int AS n FROM users WHERE id <> $1`, [DEV_USER_ID]);
  return rows[0].n;
}

// GET /api/v1/auth/setup-required
// Cheap, no auth. Used by AuthGate to decide between Login and Setup screens.
router.get('/setup-required', async (_req, res, next) => {
  try {
    res.json({ required: (await realUserCount()) === 0 });
  } catch (err) { next(err); }
});

export default router;
export { realUserCount };