import { ObjectId } from 'mongodb'
import { CMSUser, DocumentHistoryItem } from './../../../types/index.d'
import {
  GET,
  QRequestController,
  SECURE,
} from './../../modules/RequestController'
export default class HistoryController extends QRequestController {
  @GET
  @SECURE()
  async fetch() {
    const { id } = this.query
    if (!id) {
      return this.answer(false, undefined, 'Нет id')
    }
    const history = (await this.db
      .collection('system_documents_history')
      .find({ documentId: id })
      .sort({ date: -1 })
      .toArray()) as DocumentHistoryItem[]

    const usersIds = [...new Set(history.map((h) => h.byId))].map(
      (id) => new ObjectId(id)
    )
    const users = (await this.db
      .collection('users')
      .find({ _id: { $in: usersIds } })
      .toArray()) as CMSUser[]

    for (const item of history) {
      item.user = users.find((u) => u._id.toString() === item.byId)
    }

    return this.answer(true, history)
  }
}