import Book from '../../data/Book';
const express = require('express');
const router = express.Router();
const hljs = require('highlight.js/lib/highlight');
const hljs_md = require('highlight.js/lib/languages/markdown');
const moment = require('moment');
const book = new Book();
const uuidv4 = require('uuid/v4');
const settings = require('../../../site/settings.json');
hljs.registerLanguage('markdown', hljs_md);
//--------------------------
// POSTS
//--------------------------
router.get('/list/:filter?/:page?', function(req, res) {
	var pageNum = req.params.page;
	var filter = req.params.filter;
	if (pageNum == '' || pageNum == null) pageNum = 1;
	if (filter == '' || filter == null) filter = "all";
	if (req.session.user) {
		book.getPage()
			.then(pages => {
				pages.sort((a, b) => parseFloat(b.metadata.id) - parseFloat(a.metadata.id));
				let all = [];
				let deleted = [];
				let published = [];
				let menu = [];
				let featured = [];
				for (let index = 0; index < pages.length; index++) {
					let item = pages[index].metadata;
					if (typeof item.deleted === 'undefined' || item.deleted === false) {
						all.push(pages[index].metadata);
						if (item.published == true) published.push(pages[index].metadata);
						if (item.menu == true) menu.push(pages[index].metadata);
						if (item.featured == true) featured.push(pages[index].metadata);
					} else {
						deleted.push(pages[index].metadata);
					}
				}
				var filtered;
				switch (filter) {
					case 'published':
						filtered = published;
						break;
					case 'deleted':
						filtered = deleted;
						break;
					default:
						filtered = all;
						break;
				}
				var count = Math.round(filtered.length / 6);
				var pageItems = [];
				var itemLimit = 6;
				var rangeStart = pageNum * itemLimit - itemLimit;
				for (var i = 0; i < itemLimit; i++) {
					try {
						if (filtered[i + rangeStart].id != null) {
							pageItems.push(filtered[i + rangeStart]);
						}
					} catch (e) {
						//console.log("NO POST", e)
					}
				}
				res.render('book-index', {
					title: 'Dashbord | Book',
					welcome: 'Your pages',
					items: pageItems,
					page_info: {
						all: all.length,
						deleted: deleted.length,
						published: published.length,
						pages: pages.length,
						featured: featured.length
					},
					page_index: pageNum,
					page_count: count,
					postFilter: filter,
					status: true
				});
			})
			.then(() => {
				//console.log(value);
			})
			.catch(() => {
				//next(err);
			});
	} else {
		res.redirect('/@/dashboard');
	}
});

//--------------------------
// BLOG POST ADD DISPLAY
//--------------------------
router.get('/add/new', function(req, res) {
	if (req.session.user) {
		res.render('page-edit', {
			id: settings.library_stats.current_index,
			uuid: uuidv4(),
			title: 'Add New Page',
			user_status: true,
			welcome: 'Add New Page',
			date: moment(Date.now()).format('YYYY MMM DD'),
			page: [],
			rawDate: moment(Date.now()).format(),
			status: ['false', 'false', 'false'],
			edit: false
		});
	} else {
		res.redirect('/@/dashboard');
	}
});
//--------------------------
// BLOG POST EDIT DISPLAY
//--------------------------
router.get('/edit/:id', function(req, res) {
	var id = req.params.id;
	if (req.session.user) {
		book.getPage(id)
			.then(page => {
				let pretty = hljs.highlight('markdown', page.content).value;
				res.render('page-edit', {
					id: page.metadata.id,
					uuid: page.metadata.uuid,
					title: 'Edit Page',
					welcome: 'Edit Page',
					page: page.metadata,
					date: moment(page.metadata.created).format('YYYY MMM DD'),
					rawDate: page.metadata.created,
					colored: pretty,
					feature: page.metadata.feature,
					status: [
						String(page.metadata.menu),
						String(page.metadata.featured),
						String(page.metadata.published)
					],
					edit: true
				});
			})
			.catch(err => {
				res.json({ type: err });
			});
	} else {
		res.redirect('/@/dashboard');
	}
});
module.exports = router;