'use strict';

const Dealer = require('../model/dealer'),
  { AppParamError } = require('../helpers/app_error'),
  assert = require('assert');

async function getDealers_get(req, res) {
  const dealers = await Dealer.find().sort({ country: 1, companyName: 1 }).lean();
  res.json(dealers);
}

async function createDealer_post(req, res) {
  const body = req.body;
  assert(body && body.companyName && body.country, AppParamError.create());

  delete body._id;
  const dealer = new Dealer(body);
  const saved = await dealer.save();
  res.json(saved);
}

async function updateDealer_put(req, res) {
  const { id } = req.params;
  const body = req.body;
  assert(id, AppParamError.create());

  const updated = await Dealer.findByIdAndUpdate(id, body, { new: true, runValidators: true });
  if (!updated) AppParamError.throw();
  res.json(updated);
}

async function deleteDealer_delete(req, res) {
  const { id } = req.params;
  assert(id, AppParamError.create());

  const deleted = await Dealer.findByIdAndDelete(id);
  if (!deleted) AppParamError.throw();
  res.json({ ok: true });
}

module.exports = {
  getDealers_get,
  createDealer_post,
  updateDealer_put,
  deleteDealer_delete
};