/** History requirement
- Document can have embedded sub-documents
- Document can have referenced documents
- Document can be referenced by documents

- On save:
  * copy current version
  *
*/
import mongoose from 'mongoose'

export const historySchema = new mongoose.Schema({
  author: { type: String, required: true },
  created: Date,
  version: String,
  reference: [mongoose.Schema.Types.ObjectId],
  head: { type: Boolean, required: true },
  comment: String
})

const basicSchema = {
  name: {
    type: String,
    maxlength: 20,
    required: true },
  tag: {
    type: String,
    maxlength: 10,
    required: true },
  description: {
    type: String,
    maxlength: 200 }
}

export const collection = {
  ...basicSchema,
  __history: [historySchema]
}