import Book from '../../data/Book';
import * as DataEvent from '../../../src/com/events/DataEvent';
const express = require('express');
const router = express.Router();
const multer = require('multer');
const fs = require('fs-extra');
const moment = require('moment');
const jwt = require('jsonwebtoken');
const bCrypt = require('bcrypt-nodejs');
const book = new Book();
const _ = require('lodash');
const uploadPath =
	'./public/assets/images/blog/' + moment().format('YYYY') + '/' + moment().format('MM');
fs.ensureDir(uploadPath, () => {
	// dir has now been created, including the directory it is to be placed in
});
var storage = multer.diskStorage({
	destination: function(req, file, cb) {
		cb(null, uploadPath);
	},
	filename: function(req, file, cb) {
		var splice = file.originalname.split(':');
		cb(null, splice[0]);
	}
});

var feature_upload = multer({
	storage: storage
}).array('feature_image');
var post_upload = multer({
	storage: storage
}).array('post_image');

/***
    Retrieve Pages
*/
router.get('/', (req, res) => {
	book.getPage().then(result => {
		res.json(result);
	});
});

/***
    Update Page
*/
router.post('/write/:task?', feature_upload, (req, res) => {
	if (req.session.user) {
		//Get enctrypted hashed token from header request
		let hash = req.headers['x-access-token'];
		//Checks if token is a proper hash, if not reject
		if (!isTokenValid(req.session.token, hash)) {
			res.json({
				type: DataEvent.API_REQUEST_LAME,
				message: 'Invalid Token. Auth Blocked'
			});
		} else {
			//console.log('TOKEN IS GOOD');
			var member = req.session.user;
			jwt.verify(req.session.token, member.key, function(err, decoded) {
				if (err) {
					console('NOPE', err);
				}
				console.log('YUP', decoded);
			});
		}
	}

	var feature = '';
	if (req.files.length > 0) {
		var path = req.files[0].path;
		feature = '/' + path.substring(7, path.length);
	} else {
		var url = req.body.feature_image;
		url != null || url != undefined || url != ''
			? (feature = url.substring(21, url.length))
			: (feature = '');
	}

	var pageWrite =
		'---\n' +
		'id: ' +
		req.body.page_id +
		'\n' +
		'uuid: ' +
		req.body.page_uuid +
		'\n' +
		'title: ' +
		req.body.title +
		'\n' +
		'feature: ' +
		feature +
		'\n' +
		'layout: ' +
		'page' +
		'\n' +
		'tags: ' +
		req.body.tags +
		'\n' +
		'author: ' +
		req.session.user.handle +
		'\n' +
		'created: ' +
		moment(req.body.created).format() +
		'\n' +
		'updated: ' +
		moment(Date.now()).format() +
		'\n' +
		'menu: ' +
		req.body.pinToMenu +
		'\n' +
		'featured: ' +
		req.body.featureStatus +
		'\n' +
		'published: ' +
		req.body.publishedStatus +
		'\n' +
		'slug: ' +
		req.body.slug +
		'\n' +
		'---\n\n' +
		req.body.content;
	fs.writeFile('content/pages/' + req.body.slug + '.md', pageWrite, err => {
		// throws an error, you could also catch it here
		if (err) res.json({ type: DataEvent.PAGE_ERROR, message: err });

		// success case, the file was saved
		if (req.params.task === 'new') {
			// if new file, update settings index and page count
			fs.readJSON('site/settings.json').then(settings => {
				settings.library_stats.current_index = ++settings.library_stats.current_index;
				settings.library_stats.total_pages = ++settings.library_stats.total_pages;
				fs.writeJSON('site/settings.json', settings);
			});
			res.json({
				type: DataEvent.PAGE_ADDED,
				message: 'New Page Created',
				id: req.body.page_uuid
			});
		} else {
			res.json({ type: DataEvent.PAGE_UPDATED, message: 'Page saved, boss' });
		}
	});
});

router.post('/add-post-image', post_upload, function(req, res) {
	//console.log(req.body);
	var image = req.files[0].path;
	return res.json({
		type: DataEvent.POST_IMAGE_ADDED,
		message: 'Added Image',
		url: '/' + image.substr(7, image.length)
	});
});

module.exports = router;

function isTokenValid(token, hashedToken) {
	return bCrypt.compareSync(token, hashedToken);
}