/**
 * Test MongoDB connection using the native driver.
 * Uses MONGODB_URI from .env (or ENV_FILE when set). Run: npm run test-mongodb
 */
const path = require('path');
const dotenv = require('dotenv');
const envPath = process.env.ENV_FILE ? path.resolve(process.cwd(), process.env.ENV_FILE) : undefined;
dotenv.config({ path: envPath });

const { MongoClient, ServerApiVersion } = require('mongodb');

const uri = (process.env.MONGODB_URI || '').trim();
const scheme = uri.split('://')[0];

if (!uri) {
  console.error('MONGODB_URI is not set in .env');
  process.exit(1);
}
if (scheme !== 'mongodb' && scheme !== 'mongodb+srv') {
  console.error('MONGODB_URI must start with mongodb:// or mongodb+srv://');
  process.exit(1);
}

const client = new MongoClient(uri, {
  serverApi: {
    version: ServerApiVersion.v1,
    strict: true,
    deprecationErrors: true,
  },
});

async function run() {
  try {
    await client.connect();
    await client.db('admin').command({ ping: 1 });
    console.log('Pinged your deployment. You successfully connected to MongoDB!');
  } finally {
    await client.close();
  }
}

run().catch((err) => {
  console.error(err);
  process.exit(1);
});