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

module.exports = async (req, res) => {
  const { player, roomId, uid, showChanged, userName } = JSON.parse(req.body);
  if (!roomId) return res.status(204).send({ message: 'Party name not sent.' });
  const [roomExists, roomData] = await admin
    .firestore()
    .collection('rooms')
    .doc(roomId)
    .get()
    .then((docSnap) => [docSnap.exists, docSnap.data()]);
  if (!roomExists) return res.status(404).send({ message: 'Party not found.' });
  if (showChanged === true && player.showName) {
    if (roomData.player.showName !== player.showName) {
      admin
        .firestore()
        .collection('rooms')
        .doc(roomId)
        .collection('messages')
        .add({
          uid: '<system>',
          name: '',
          text: `${userName} changed \n${player.showName ? 'to ' + player.showName : ''}`,
          time: new Date(),
        });
    }
  }
  if (roomData.status !== player.status) {
    await admin
      .firestore()
      .collection('rooms')
      .doc(roomId)
      .update({
        player,
      })
      .catch((err) => {
        console.error(`Failed to update player : \n\t Room: ${roomId} \n\t ${uid}`, err);
        res.status(500).send({ message: "Uh oh party could't be synced", err });
      });
    return res.status(200).send({ message: 'Synced party player' });
  } else {
    return res.status(208).send({ message: 'Player already up to date' });
  }
};