// /components/waitlist/waitlistModel.js
'use strict';

const mongoose = require('mongoose');
const uniqueCodePlugin = require('../../utils/mongooseUniqueCodePlugin');

const waitlistSchema = new mongoose.Schema({
  user: {
    type: mongoose.Schema.Types.ObjectId,
    ref: 'User',
    required: true,
    index: true
  },
  course: {
    type: mongoose.Schema.Types.ObjectId,
    ref: 'Course',
    required: true,
    index: true
  },
  payment: {
    type: mongoose.Schema.Types.ObjectId,
    ref: 'Payment',
    index: true
  },
  class: {
    type: mongoose.Schema.Types.ObjectId,
    ref: 'Class',
    default: null,
    index: true
  },
  status: {
    type: String,
    enum: ['waiting', 'enrolled', 'cancelled', 'reverted'],
    default: 'waiting',
    index: true
  },
  adminNotes: {
    type: [String],
    default: []
  },
  registeredAt: {
    type: Date,
    default: Date.now
  },
  assignedAt: {
    type: Date,
    default: null
  },
  isDeleted: {
    type: Boolean,
    default: false,
    index: true
  },
  deletedAt: {
    type: Date,
    default: null
  }
}, {
  timestamps: true,
  toJSON: { virtuals: true },
  toObject: { virtuals: true }
});

waitlistSchema.plugin(uniqueCodePlugin);

module.exports = mongoose.model('Waitlist', waitlistSchema);