import { MongoClient } from 'mongodb'

async function connectToDatabase() {
  // Create a MongoClient with a MongoClientOptions object to set the Stable API version
  let uri = `mongodb://${process.env.MONGO_USER}:${process.env.MONGO_PASS}@${process.env.MONGO_HOST}`
  if (
    process.env.MONGO_URI != undefined &&
    process.env.MONGO_URI != null &&
    process.env.MONGO_URI != ''
  ) {
    uri = process.env.MONGO_URI
  }
  const client = new MongoClient(uri)
  await client.connect()
  return client
}

async function fetchLatestPatch(client: MongoClient) {
  const database = client.db('patches')
  const patches = database.collection('patches')
  const latestPatch = await patches.find().limit(1).sort({ date: -1 }).next()
  return latestPatch!.patch as string
}

export { connectToDatabase, fetchLatestPatch }