const MongoClient = require('mongodb').MongoClient

const PROD_URI = "mongodb://agm:Agm2017@localhost:27017/agmission";

async function connect(url) {
  let _url;
  if (!url) _url = PROD_URI;

  return await MongoClient.connect(_url, {
    family: 4,
    useNewUrlParser: true,
    useUnifiedTopology: true,
    bufferMaxEntries: 0,
    keepAlive: true
  });
}

module.exports = {
  connect
}