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

'use strict';

const express = require('express');
// const multer = require('multer');

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

class AuthorController extends SiteController {

  constructor (dtp) {
    super(dtp, module.exports);
  }

  async start ( ) {
    const { dtp } = this;
    const { limiter: limiterService } = dtp.services;
    const { author: authorLimiter } = limiterService.config;

    // const upload = multer({ dest: `/tmp/dtp-sites/${this.dtp.config.site.domainKey}`});

    const router = express.Router();
    dtp.app.use('/author', router);

    router.use(
      async (req, res, next) => {
        res.locals.currentView = 'author';
        if (!req.user || !req.user.permissions.canAuthorPages) {
          return next(new SiteError(403, 'Author privileges are required'));
        }
        return next();
      },
    );

    router.get('/post',
      limiterService.createMiddleware(authorLimiter.getPostIndex),
      this.getPostHome.bind(this),
    );

    router.get('/',
      limiterService.createMiddleware(authorLimiter.getIndex),
      this.getAuthorHome.bind(this),
    );
  }

  async getPostHome (req, res, next) {
    const { post: postService } = this.dtp.services;
    try {
      res.locals.drafts = await postService.getForAuthor(req.user, ['draft'], { skip: 0, cpp: 5 });
      res.locals.archive = await postService.getForAuthor(req.user, ['archived'], { skip: 0, cpp: 5 });

      res.locals.pagination = this.getPaginationParameters(req, 20);
      res.locals.published = await postService.getForAuthor(req.user, ['published'], res.locals.pagination);
      this.log.debug('published posts for author', { count: res.locals.published.totalPostCount });

      res.render('author/post/index');
    } catch (error) {
      this.log.error('failed to render Author dashboard', { error });
      return next(error);
    }
  }

  async getAuthorHome (req, res, next) {
    const { /*comment: commentService,*/ post: postService } = this.dtp.services;
    try {
      res.locals.drafts = await postService.getForAuthor(req.user, ['draft'], { skip: 0, cpp: 5 });
      res.locals.published = await postService.getForAuthor(req.user, ['published'], { skip: 0, cpp: 5 });

      res.locals.pagination = this.getPaginationParameters(req, 20);
      res.locals.authorComments = await postService.getCommentsForAuthor(req.user, res.locals.pagination);

      res.render('author/index');
    } catch (error) {
      this.log.error('failed to render Author dashboard', { error });
      return next(error);
    }
  }
}

module.exports = {
  slug: 'author',
  name: 'author',
  create: async (dtp) => {
    let controller = new AuthorController(dtp);
    return controller;
  },
};