import { randomBytes } from 'crypto';

import { MongoClient } from './src/mongo_client';

async function main() {
  const client = await MongoClient.connect(process.env.MONGODB_URI!, {
    pkFactory: {
      count: 0,
      createPk: function () {
        return this.count++;
      }
    }
  });

  const collection = client.db('foo').collection(randomBytes(8).toString('utf-8'));

  await collection.insertMany([{ a: 1 }, { a: 2 }, { a: 3 }]);

  await collection.bulkWrite([{ insertOne: { a: 1 } }]);

  console.log(await collection.find().toArray());
}

main();

// output:
// [
//  { _id: 0, a: 1 },
//  { _id: 1, a: 2 },
//  { _id: 2, a: 3 },
//  { _id: new ObjectId("65036cbf71bcb5518605c620"), a: 1 }
// ]