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

'use strict';

const express = require('express');

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

class DomainController extends SiteController {

  constructor (dtp) {
    super(dtp, 'admin:domain');
  }

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

    router.param('domainId', this.populateDomainId.bind(this));

    router.post('/:domainId', this.postUpdateDomain.bind(this));
    router.post('/', this.postCreateDomain.bind(this));

    router.get('/create', this.getCreateForm.bind(this));
    router.get('/:domainId', this.getDomainView.bind(this));

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

    return router;
  }

  async populateDomainId (req, res, next, domainId) {
    const { domain: domainService } = this.dtp.services;
    try {
      res.locals.domain = await domainService.getById(domainId);
      return next();
    } catch (error) {
      return next(error);
    }
  }

  async postUpdateDomain (req, res, next) {
    const { domain: domainService } = this.dtp.services;
    try {
      await domainService.update(res.locals.domain, req.body);
      res.redirect('/admin/domain');
    } catch (error) {
      return next(error);
    }
  }

  async postCreateDomain (req, res, next) {
    const { domain: domainService } = this.dtp.services;
    try {
      res.locals.domain = await domainService.create(req.body);
      res.redirect(`/admin/domain/${res.locals.domain._id}`);
    } catch (error) {
      return next(error);
    }
  }

  async getDomainView (req, res) {
    res.render('admin/domain/form');
  }

  async getCreateForm (req, res) {
    res.render('admin/domain/form');
  }

  async getHomeView (req, res, next) {
    const { domain: domainService } = this.dtp.services;
    try {
      res.locals.pagination = this.getPaginationParameters(req, 10);
      res.locals.domains = await domainService.getDomains(res.locals.pagination);
      res.render('admin/domain/index');
    } catch (error) {
      return next(error);
    }
  }
}

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