/* eslint-disable
    camelcase,
    max-len,
    no-unused-vars,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
 * decaffeinate suggestions:
 * DS101: Remove unnecessary use of Array.from
 * DS102: Remove unnecessary code created because of implicit returns
 * DS207: Consider shorter variations of null checks
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
let ContactsController
const SessionManager = require('../Authentication/SessionManager')
const ContactManager = require('./ContactManager')
const UserGetter = require('../User/UserGetter')
const logger = require('@overleaf/logger')
const Modules = require('../../infrastructure/Modules')

module.exports = ContactsController = {
  getContacts(req, res, next) {
    const user_id = SessionManager.getLoggedInUserId(req.session)
    return ContactManager.getContactIds(
      user_id,
      { limit: 50 },
      function (error, contact_ids) {
        if (error != null) {
          return next(error)
        }
        return UserGetter.getUsers(
          contact_ids,
          {
            email: 1,
            first_name: 1,
            last_name: 1,
            holdingAccount: 1,
          },
          function (error, contacts) {
            if (error != null) {
              return next(error)
            }

            // UserGetter.getUsers may not preserve order so put them back in order
            const positions = {}
            for (let i = 0; i < contact_ids.length; i++) {
              const contact_id = contact_ids[i]
              positions[contact_id] = i
            }
            contacts.sort(
              (a, b) =>
                positions[a._id != null ? a._id.toString() : undefined] -
                positions[b._id != null ? b._id.toString() : undefined]
            )

            // Don't count holding accounts to discourage users from repeating mistakes (mistyped or wrong emails, etc)
            contacts = contacts.filter(c => !c.holdingAccount)

            contacts = contacts.map(ContactsController._formatContact)

            return Modules.hooks.fire(
              'getContacts',
              user_id,
              contacts,
              function (error, additional_contacts) {
                if (error != null) {
                  return next(error)
                }
                contacts = contacts.concat(
                  ...Array.from(additional_contacts || [])
                )
                return res.send({
                  contacts,
                })
              }
            )
          }
        )
      }
    )
  },

  _formatContact(contact) {
    return {
      id: contact._id != null ? contact._id.toString() : undefined,
      email: contact.email || '',
      first_name: contact.first_name || '',
      last_name: contact.last_name || '',
      type: 'user',
    }
  },
}