'use strict';

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

function scrapeAll(scenes, channel) {
	return scenes.map(({ query }) => {
		const release = {};

		release.url = query.url('.scene-update-details, .feature-update-details', 'href', { origin: channel.url });
		release.entryId = new URL(release.url).pathname.match(/\/(\d+)/)[1];

		release.title = query.q('.scene-img-wrapper img', 'alt').replace(/\s*image$/i, '');

		release.date = query.date('.scene-update-stats span, .feature-update-details span', 'MMM DD, YYYY');
		release.actors = query.cnt('.scene-update-details h3, .feature-update-details h2')?.split(/\s*\|\s*/).map(actor => actor.trim());

		const poster = query.img('.scene-img-wrapper img');
		release.poster = [
			poster.replace(/\/res\/\d+/, '/res/1920'),
			poster.replace(/\/res\/\d+/, '/res/1600'),
			poster,
		];

		release.trailer = { src: query.video('.scene-img-wrapper source') };

		return release;
	});
}

function scrapeMovieScenes(scenes) {
	return scenes.map(({ query }) => {
		const release = {};

		release.title = query.cnt('.scene-title a');
		release.url = query.url('.scene-title a', 'href', { origin: 'https://www.elegantangel.com' });
		release.entryId = new URL(release.url).pathname.match(/\/(\d+)/)[1];

		release.duration = query.number('.scene-length') * 60;
		release.actors = query.cnts('.scene-cast-list a');

		release.poster = query.img('a img');

		return release;
	});
}

async function scrapeRelease({ query, html }, url, channel, baseRelease, type = 'scene') {
	const release = {};

	release.entryId = new URL(url).pathname.match(/\/(\d+)/)[1];

	release.title = query.cnt('.scene-page .description, .video-page .description');
	release.date = query.date('.release-date:first-child', 'MMM DD, YYYY', /\w{3} \d{2}, \d{4}/);

	release.actors = query.all('.video-performer').map((el) => {
		const avatar = qu.query.img(el, 'img', 'data-bgsrc');

		return {
			name: qu.query.cnt(el, 'span'),
			avatar: [
				avatar.replace(/\/actor\/\d+/, '/actor/1600'),
				avatar,
			],
		};
	});

	release.tags = query.cnts('.tags a, .categories a');
	release.studio = slugify(query.cnt('.studio span:last-child'), '');

	if (type === 'scene') {
		release.director = query.text('.director');
		release.duration = query.number('.release-date:last-child') * 60;
		release.poster = baseRelease?.poster || query.url('link[rel="image_src"]') || query.meta('property="og:image"');
	}

	if (type === 'movie') {
		release.director = query.cnt('.director a');
		release.covers = query.imgs('.carousel-item > img');

		release.scenes = scrapeMovieScenes(qu.initAll(query.all('#scenes .grid-item')), channel);
	}

	release.photos = query.imgs('#dv_frames a > img').map(photo => [
		photo.replace(/(\/p\/\d+\/)\d+/, (match, path) => `${path}1920`),
		photo.replace(/(\/p\/\d+\/)\d+/, (match, path) => `${path}1600`),
		photo,
	]);

	const trailerId = html.match(/item: (\d+),/)?.[1];

	if (trailerId) {
		const trailerUrl = `https://www.adultempire.com/videoEmbed/${trailerId}?type=preview`;
		const trailerRes = await qu.get(trailerUrl);

		if (trailerRes.ok) {
			const stream = trailerRes.item.query.video();

			release.trailer = { stream };
		}
	}

	return release;
}

function scrapeMovies(movies, channel) {
	return movies.map(({ query }) => {
		const release = {};

		release.url = query.url('.boxcover', 'href', { origin: channel.url });
		release.entryId = new URL(release.url).pathname.match(/\/(\d+)/)[1];

		release.title = query.cnt('span');

		const cover = query.img('picture img');

		release.covers = [
			// filename is ignored, back-cover has suffix after media ID
			cover.replace('_sq.jpg', '/front.jpg').replace(/\/product\/\d+/, '/product/500'),
			cover.replace('_sq.jpg', 'b/back.jpg').replace(/\/product\/\d+/, '/product/500'),
		];

		return release;
	});
}

async function fetchLatest(channel, page = 1) {
	const url = `${channel.url}/tour?page=${page}`;
	const res = await qu.getAll(url, '.scene-update', null, {
		// invalid certificate
		rejectUnauthorized: false,
	});

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

	return res.status;
}

async function fetchScene(url, channel, baseRelease) {
	const res = await qu.get(url, null, null, {
		// invalid certificate
		rejectUnauthorized: false,
	});

	if (res.ok) {
		return scrapeRelease(res.item, url, channel, baseRelease);
	}

	return res.status;
}

async function fetchMovie(url, channel, baseRelease) {
	const res = await qu.get(url, null, null, {
		// invalid certificate
		rejectUnauthorized: false,
	});

	if (res.ok) {
		return scrapeRelease(res.item, url, channel, baseRelease, 'movie');
	}

	return res.status;
}

async function fetchMovies(channel, page = 1) {
	const res = await qu.getAll(`https://www.elegantangel.com/streaming-elegant-angel-dvds-on-video.html?page=${page}`, '.grid-item', null, {
		// invalid certificate
		rejectUnauthorized: false,
	});

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

	return res.status;
}

module.exports = {
	fetchLatest,
	fetchScene,
	fetchMovies,
	fetchMovie,
};