'use strict';

/* eslint-disable newline-per-chained-call */
// const Promise = require('bluebird');
const bhttp = require('bhttp');
const { JSDOM } = require('jsdom');
const moment = require('moment');

async function getPhotos(albumUrl) {
	const res = await bhttp.get(albumUrl);
	const html = res.body.toString();
	const { document } = new JSDOM(html).window;

	const lastPhotoPage = Array.from(document.querySelectorAll('.preview-image-container a')).slice(-1)[0].href;
	const lastPhotoIndex = parseInt(lastPhotoPage.match(/\d+.jpg/)[0], 10);

	const photoUrls = Array.from({ length: lastPhotoIndex }, (value, index) => {
		const pageUrl = `https://blacksonblondes.com${lastPhotoPage.replace(/\d+.jpg/, `${(index + 1).toString().padStart(3, '0')}.jpg`)}`;

		return {
			url: pageUrl,
			extract: ({ qu }) => qu.q('.scenes-module img', 'src'),
		};
	});

	return photoUrls;
}

function scrapeLatest(html, site) {
	const { document } = new JSDOM(html).window;
	const sceneElements = Array.from(document.querySelectorAll('.recent-updates'));

	return sceneElements.reduce((acc, element) => {
		const siteUrl = element.querySelector('.help-block').textContent;

		if (`www.${siteUrl.toLowerCase()}` !== new URL(site.url).host) {
			// different dogfart site
			return acc;
		}

		const sceneLinkElement = element.querySelector('.thumbnail');
		const url = `https://dogfartnetwork.com${sceneLinkElement.href}`;
		const { pathname } = new URL(url);
		const entryId = `${site.slug}_${pathname.split('/')[4]}`;

		const title = element.querySelector('.scene-title').textContent;
		const actors = title.split(/[,&]|\band\b/).map(actor => actor.trim());

		const poster = `https:${element.querySelector('img').src}`;
		const teaser = sceneLinkElement.dataset.preview_clip_url;

		return [
			...acc,
			{
				url,
				entryId,
				title,
				actors,
				poster,
				teaser: {
					src: teaser,
				},
				site,
			},
		];
	}, []);
}

async function scrapeScene(html, url, site) {
	const { document } = new JSDOM(html).window;

	const title = document.querySelector('.description-title').textContent;
	const actors = Array.from(document.querySelectorAll('.more-scenes a')).map(({ textContent }) => textContent);
	const metaDescription = document.querySelector('meta[itemprop="description"]').content;
	const description = metaDescription
		? metaDescription.content
		: document.querySelector('.description')
			.textContent
			.replace(/[ \t\n]{2,}/g, ' ')
			.replace('...read more', '')
			.trim();

	const channel = document.querySelector('.site-name').textContent.split('.')[0].toLowerCase();
	const { origin, pathname } = new URL(url);
	const entryId = `${channel}_${pathname.split('/').slice(-2)[0]}`;

	const date = new Date(document.querySelector('meta[itemprop="uploadDate"]').content);
	const duration = moment
		.duration(`00:${document
			.querySelectorAll('.extra-info p')[1]
			.textContent
			.match(/\d+:\d+$/)[0]}`)
		.asSeconds();

	const trailerElement = document.querySelector('.html5-video');
	const poster = `https:${trailerElement.dataset.poster}`;
	const { trailer } = trailerElement.dataset;

	const lastPhotosUrl = Array.from(document.querySelectorAll('.pagination a')).slice(-1)[0].href;
	const photos = await getPhotos(`${origin}${pathname}${lastPhotosUrl}`, site, url);

	const stars = Math.floor(Number(document.querySelector('span[itemprop="average"]')?.textContent || document.querySelector('span[itemprop="ratingValue"]')?.textContent) / 2);
	const tags = Array.from(document.querySelectorAll('.scene-details .categories a')).map(({ textContent }) => textContent);

	return {
		entryId,
		url: `${origin}${pathname}`,
		title,
		description,
		actors,
		date,
		duration,
		poster,
		photos,
		trailer: {
			src: trailer,
		},
		tags,
		rating: {
			stars,
		},
		site,
		channel,
	};
}

async function fetchLatest(site, page = 1) {
	const res = await bhttp.get(`https://dogfartnetwork.com/tour/scenes/?p=${page}`);

	return scrapeLatest(res.body.toString(), site);
}

async function fetchScene(url, site) {
	const res = await bhttp.get(url);

	return scrapeScene(res.body.toString(), url, site);
}

module.exports = {
	fetchLatest,
	fetchScene,
};