schemas.js

import mongoose from "mongoose";

// 카운터 스키마 설정
const counterSchema = mongoose.Schema({
  _id: { type: String, required: true },
  seq: { type: Number, default: 0 },
});

const counter = mongoose.model("counter", counterSchema);

// 채팅방 스키마 설정
const roomSchema = new mongoose.Schema({
  roomId: { type: Number, unique: true },
  participants: [String],
  postId: Number,
  postType: Number,
  buyer: String,
  seller: String,
  buyer_enter: Date,
  seller_enter: Date,
  buyer_out: Date,
  seller_out: Date,
});

// 채팅 스키마 설정
const chatSchema = new mongoose.Schema({
  content: String,
  roomId: Number,
  username: String,
  time: Date,
  notificationId: String,
});

roomSchema.pre("save", async function (next) {
  if (this.isNew) {
    var doc = this;
    try {
      const counterDoc = await counter.findByIdAndUpdate(
        { _id: "roomId" },
        { $inc: { seq: 1 } },
        { new: true, upsert: true }
      );

      doc.roomId = counterDoc.seq;
      next();
    } catch (error) {
      return next(error);
    }
  } else {
    next();
  }
});

// 스키마 생성
const chat = mongoose.model("chat", chatSchema);
const chatroom = mongoose.model("chatroom", roomSchema);

export { chat, chatroom };