import fetch from 'node-fetch'

import connectToDatabase from './lib/dbConnect'

export default async (req, res) => {
  const { method } = req
  const db = await connectToDatabase()

  switch (method) {
    case 'POST':
      if (!req.body || !req.body.url || !req.body.cluster) {
        return res.status(400).json({ success: false, message: 'Invalid body' })
      }

      try {
        await fetch(req.body.url)
      } catch {
        return res.status(400).json({ success: false, message: 'Invalid URL' })
      }

      try {
        await db.coll.insertOne({
          _id: req.body.url,
          cluster: req.body.cluster
        })
      } catch {
        return res.status(400).json({ success: false, message: 'Error Inserting to DB' })
      }

      res.status(200).json({ url: req.body.url })

      break
    case 'DELETE':
      if (!req.query.url) {
        return res.status(400).json({ success: false, message: 'Invalid body' })
      }

      try {
        const { deletedCount } = await db.coll.deleteOne({
          _id: req.query.url
        })

        if (deletedCount == 0) {
          return res.status(400).json({ success: false, message: 'Not Found' })
        }
      } catch {
        return res.status(400).json({ success: false, message: 'Error Deleting from DB' })
      }

      res.status(200).json({ url: req.query.url })

      break
    default:
      res.status(404).json({ success: false })

      break
  }
}