import { MongoClient } from 'mongodb';
import { randomBytes } from 'node:crypto';
const uri = process.env.BHYLU_MONGO_URI;
let endpoint;
try {
  endpoint = new URL(uri);
} catch {
  throw new Error('Use the dedicated loopback MongoDB lab');
}
if (
  process.env.BHYLU_NODE_DB_LAB !== 'YES' ||
  endpoint.protocol !== 'mongodb:' ||
  endpoint.hostname !== '127.0.0.1' ||
  !endpoint.port ||
  endpoint.port === '27017'
)
  throw new Error('Use the dedicated loopback MongoDB lab');
const client = new MongoClient(uri, { serverSelectionTimeoutMS: 5000 });
await client.connect();
const database = client.db('bhylu_node_' + randomBytes(8).toString('hex'));
try {
  const kits = database.collection('kits');
  await kits.insertMany([
    { _id: 701, name: 'tripod', available: 3 },
    { _id: 702, name: 'binoculars', available: 2 },
    { _id: 703, name: 'torch', available: 0 },
  ]);
  const names = (await database.listCollections({}, { nameOnly: true }).toArray())
    .map((row) => row.name)
    .sort();
  console.log(names.join(','));
  console.log(await kits.countDocuments({}));
} finally {
  try {
    await database.dropDatabase();
  } finally {
    await client.close();
  }
}