'use strict';

const slugify = require('../utils/slugify');
const qu = require('../utils/qu');

async function getPhotos(albumUrl, channel) {
	const res = await qu.get(albumUrl);

	if (!res.ok) {
		return [];
	}

	const lastPhotoPage = res.item.query.urls('.pics-container .preview-image-container a').at(-1);
	const lastPhotoIndex = parseInt(lastPhotoPage.match(/\d+.jpg/)[0], 10);

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

		const extract = ({ query }) => query.img('.scenes-module img');

		return [
			{
				url: pageUrl,
				extract,
			},
			{
				url: networkPageUrl,
				extract,
			},
		];
	});

	return photoUrls;
}

function scrapeLatest(scenes, site, filter = true) {
	return scenes.reduce((acc, { query }) => {
		const release = {};

		const siteUrl = query.cnt('.recent-details-title .help-block, .model-details-title .site-name');

		release.url = query.url('.thumbnail, .preview-image-container > a', 'href', { origin: site.url });
		release.entryId = `${site.slug}_${new URL(release.url).pathname.split('/')[4]}`;

		release.title = query.cnt('.scene-title');
		// release.actors = release.title.split(/[,&]|\band\b/).map((actor) => actor.replace(/BTS/i, '').trim()); // the titles don't always list the actors, e.g. BarbCummings.com

		// release.poster = `https:${element.querySelector('img').src}`;
		release.poster = query.img();
		release.teaser = query.video('.thumbnail, .preview-thumbnail', 'data-preview_clip_url');

		release.channel = siteUrl?.match(/(.*).com/)?.[1].toLowerCase();

		if (filter && siteUrl && `www.${siteUrl.toLowerCase()}` !== new URL(site.url).host) {
			// different dogfart site
			return { ...acc, unextracted: [...acc.unextracted, release] };
		}

		return { ...acc, scenes: [...acc.scenes, release] };
	}, {
		scenes: [],
		unextracted: [],
	});
}

async function scrapeScene({ query }, url, channel, baseScene, parameters) {
	const release = {};
	const { origin, pathname } = new URL(url);

	release.channel = channel.type === 'channel' ? channel.slug : query.cnt('.site-name').split('.')[0].toLowerCase();
	release.entryId = `${release.channel}_${pathname.split('/').slice(-2)[0]}`;

	release.title = query.cnt('.description-title') || query.text('.scene-title');
	release.actors = query.all('.more-scenes a, .starring-list a').map((actorEl) => ({
		name: query.cnt(actorEl),
		url: query.url(actorEl, null, 'href', { origin: channel.url }),
	}));

	release.description = query.meta('meta[itemprop="description"]') || query.cnt('.description, [itemprop="description"]')?.replace(/[ \t\n]{2,}/g, ' ').replace('...read more', '').trim();

	release.date = query.date('meta[itemprop="uploadDate"]', null, null, 'content');
	release.duration = query.duration('.extra-info p:nth-child(2), .run-time-container');

	release.tags = query.exists('.scene-details .categories a') ? query.cnts('.scene-details .categories a') : query.text('.categories')?.split(/,\s+/);

	const trailer = query.video('.html5-video', 'data-trailer');
	const lastPhotosUrl = query.urls('.pagination a').at(-1);

	release.poster = query.poster('.html5-video', 'data-poster') || query.img('.trailer-image');

	if (trailer && !trailer?.includes('join')) {
		release.trailer = trailer;
	}

	if (lastPhotosUrl && parameters.includePhotos) {
		release.photos = await getPhotos(`${origin}${pathname}${lastPhotosUrl}`, channel, url);
	}

	release.stars = Number(((query.number('span[itemprop="average"], span[itemprop="ratingValue"]') || query.number('canvas[data-score]', null, 'data-score')) / 2).toFixed(2));

	return release;
}

async function fetchLatest(channel, page = 1, { parameters }) {
	const res = await qu.getAll(parameters.latest ? `${parameters.latest}/?p=${page}` : `${channel.url}/tour/scenes/?p=${page}`, '.recent-updates, .preview-image-container');

	if (res.ok) {
		return scrapeLatest(res.items, channel);
	}

	return res.status;
}

async function fetchProfile(baseActor, entity) {
	const slug = slugify(baseActor.name, '+');
	const url = `https://www.dogfartnetwork.com/tour/girls/${slug}/`;

	const res = await qu.getAll(url, '.recent-updates');

	if (res.ok) {
		const { scenes } = scrapeLatest(res.items, entity, false);

		// no bio available
		return { scenes };
	}

	return res.status;
}

module.exports = {
	fetchLatest,
	fetchProfile,
	scrapeScene,
};