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

module.exports = async (req, res) => {
  const bodydata = JSON.parse(req.body);
  console.log("Requested Create - UID - ", bodydata.uid);
  if (!bodydata.userName)
    res.status(400).send({ message: "Missing user name" });
  if (!bodydata.partyName)
    res.status(400).send({ message: "Missing party name" });
  if (!bodydata.partyPin)
    res.status(400).send({ message: "Missing party pin" });
  const roomNameTaken = await admin
    .firestore()
    .collection("rooms")
    .doc(bodydata.partyName.replace("/", "\\"))
    .get()
    .then((docSnap) => docSnap.exists);
  if (roomNameTaken)
    return res
      .status(409)
      .send({ message: "That party name is already taken" });
  await admin
    .firestore()
    .collection("rooms")
    .doc(bodydata.partyName)
    .set({
      name: bodydata.partyName,
      pin: bodydata.partyPin,
      player: bodydata.player,
      createdAt: new Date(),
      updatedAt: new Date(),
      adminUid: bodydata.uid,
    })
    .catch((err) => {
      res.status(500).send({ message: "Unable to start party." });
      console.error(err);
    });
  await admin
    .firestore()
    .collection("rooms")
    .doc(bodydata.partyName)
    .collection("messages")
    .add({
      uid: "<system>",
      name: "",
      text: `${bodydata.userName} started the party.`,
      time: new Date(),
    })
    .catch((err) => {
      console.error(
        `Failed to add system create party message : \n\t Room: ${bodydata.partyName}`,
        err
      );
    });
  await admin
    .firestore()
    .collection("rooms")
    .doc(bodydata.partyName)
    .collection("users")
    .doc(bodydata.uid)
    .set({
      admin: true,
      name: bodydata.userName,
    })
    .catch((err) => {
      console.error(
        `Failed to set admin when creating party : \n\t Room: ${bodydata.partyName} \n\t User: ${bodydata.uid}`,
        err
      );
    });

  admin
    .firestore()
    .collection("rooms")
    .doc(bodydata.partyName)
    .collection("messages")
    .add({
      uid: "<system>",
      name: "",
      text: `Big update coming on Monday (Aug. 10). Watch Party will be unavailable during the afternoon as we upgrade our services. See what's new at whatsnew.chromewatchparty.com`,
      time: new Date(),
    });

  if (player.source === "peacocktv.") {
    admin
      .firestore()
      .collection("rooms")
      .doc(bodydata.partyName)
      .collection("messages")
      .add({
        uid: "<system>",
        name: "",
        text: `Sync may not work flawlessly with PeacockTV till Monday's update. Please stick with us as we address this issue.`,
        time: new Date(),
      });
  }

  res
    .status(201)
    .send({ roomId: bodydata.partyName, message: "Started a party!" });
};