// admin/newsletter.js
// Copyright (C) 2021 Digital Telepresence, LLC
// License: Apache-2.0

'use strict';

const DTP_COMPONENT_NAME = 'admin:newsletter';
const express = require('express');

const { SiteController } = require('../../../lib/site-lib');

class NewsletterController extends SiteController {

  constructor (dtp) {
    super(dtp, DTP_COMPONENT_NAME);
  }

  async start ( ) {
    const router = express.Router();
    router.use(async (req, res, next) => {
      res.locals.currentView = 'admin';
      res.locals.adminView = 'newsletter';
      return next();
    });

    router.param('newsletterId', this.populateNewsletterId.bind(this));

    router.get('/compose', this.getComposer.bind(this));

    router.get('/:newsletterId', this.getComposer.bind(this));

    router.get('/', this.getIndex.bind(this));

    return router;
  }

  async populateNewsletterId (req, res, next, newsletterId) {
    const { newsletter: newsletterService } = this.dtp.services;
    try {
      res.locals.newsletter = await newsletterService.getById(newsletterId);
      return next();
    } catch (error) {
      this.log.error('failed to populate newsletterId', { newsletterId, error });
      return next(error);
    }
  }

  async getComposer (req, res) {
    res.render('admin/newsletter/editor');
  }

  async getIndex (req, res, next) {
    const { newsletter: newsletterService } = this.dtp.services;
    try {
      res.locals.pagination = this.getPaginationParameters(req, 20);
      res.locals.newsletters = await newsletterService.getNewsletters(res.locals.pagination);
      res.render('admin/newsletter/index');
    } catch (error) {
      return next(error);
    }
  }
}

module.exports = async (dtp) => {
  let controller = new NewsletterController(dtp);
  return controller;
};