// /components/documents/documentModel.js

const mongoose = require('mongoose');

const documentSchema = new mongoose.Schema({
  user: {
    type: mongoose.Schema.Types.ObjectId,
    ref: 'User',
    required: true,
    index: true
  },
  title: {
    type: String,
    required: true,
    trim: true
  },
  description: {
    type: String,
    trim: true,
    default: ''
  },
  /** Permanent object key inside the documents bucket */
  fileKey: {
    type: String,
    required: true,
    trim: true
  },
  /** Original uploaded filename */
  fileName: {
    type: String,
    trim: true
  },
  /** Public URL only when the documents bucket is public; otherwise null */
  fileUrl: {
    type: String,
    trim: true,
    default: null
  },
  bucket: {
    type: String,
    trim: true,
    default: 'documents'
  },
  mimeType: {
    type: String,
    trim: true
  },
  uploadedBy: {
    type: mongoose.Schema.Types.ObjectId,
    ref: 'User'
  }
}, {
  timestamps: true
});

module.exports = mongoose.model('Document', documentSchema);