const admin = require('firebase-admin');

module.exports = async (req, res) => {
  console.log('Requested Delete - Room - ', req.params.rid);
  const isAdmin = await admin
    .firestore()
    .collection('rooms')
    .doc(req.params.rid)
    .collection('users')
    .doc(JSON.parse(req.body).uid)
    .get()
    .then((v) => {
      if (v.exists) {
        return v.data().admin;
      }
      return false;
    });
  if (!isAdmin) {
    console.log('[UNAUTHORIZED] Requested Delete - Room - ', req.params.rid);
    res.status(401).send({ message: 'Not authorized to end this party.' });
    return;
  }
  await admin
    .firestore()
    .collection('rooms')
    .doc(req.params.rid)
    .collection('messages')
    .listDocuments()
    .then((messages) => messages.forEach((message) => message.delete()))
    .catch((err) => {
      console.error(
        `Failed to delete room messages : \n\t Room: ${req.params.rid} \n\t User: ${req.params.uid}`,
        err
      );
    });
  await admin
    .firestore()
    .collection('rooms')
    .doc(req.params.rid)
    .collection('users')
    .listDocuments()
    .then((users) => users.forEach((user) => user.delete()))
    .catch((err) => {
      console.error(
        `Failed to delete room users : \n\t Room: ${req.params.rid} \n\t User: ${req.params.uid}`,
        err
      );
    });
  await admin
    .firestore()
    .collection('rooms')
    .doc(req.params.rid)
    .delete()
    .catch((err) => {
      console.error(
        `Failed to delete room : \n\t Room: ${req.params.rid} \n\t User: ${req.params.uid}`,
        err
      );
    });
  res.status(200).send({ message: 'Ended the party' });
};