// chat-message.js
// Copyright (C) 2024 DTP Technologies, LLC
// All Rights Reserved

'use strict';

import mongoose from 'mongoose';
const Schema = mongoose.Schema;

const CHANNEL_TYPE_LIST = ['User', 'ChatRoom'];

const ReactionSchema = new Schema({
  emoji: { type: String },
  users: { type: [Schema.ObjectId], ref: 'User' },
});

const ChatMessageSchema = new Schema({
  created: { type: Date, default: Date.now, required: true, index: -1, expires: '30d' },
  expires: { type: Date, index: -1 },
  channelType: { type: String, enum: CHANNEL_TYPE_LIST, required: true },
  channel: { type: Schema.ObjectId, required: true, index: 1, refPath: 'channelType' },
  author: { type: Schema.ObjectId, required: true, index: 1, ref: 'User' },
  content: { type: String },
  mentions: { type: [Schema.ObjectId], select: false, ref: 'User' },
  hashtags: { type: [String], select: false },
  links: { type: [Schema.ObjectId], ref: 'Link' },
  attachments: {
    images: { type: [Schema.ObjectId], ref: 'Image' },
    videos: { type: [Schema.ObjectId], ref: 'Video' },
  },
  reactions: { type: [ReactionSchema], default: [ ] },
});

export default mongoose.model('ChatMessage', ChatMessageSchema);