'use strict';

const format = require('template-format');

const { get, geta, initAll, formatDate } = require('../utils/qu');
const slugify = require('../utils/slugify');

const { feetInchesToCm } = require('../utils/convert');

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

		release.title = qu.q('h3 a', true);
		release.url = qu.url('h3 a');

		release.date = qu.date('.item-meta li', 'MMMM D, YYYY', /\w+ \d{1,2}, \d{4}/);
		release.duration = qu.dur('.item-meta li:nth-child(2)');
		release.description = qu.q('.description', true);

		release.actors = qu.all('a[href*="/models"]', true);
		if (/bts/i.test(release.title)) release.tags = ['behind the scenes'];

		[release.poster, ...release.photos] = qu.all('.item-thumbs img')
			.map((source) => [
				source.getAttribute('src0_3x'),
				source.getAttribute('src0_2x'),
				source.getAttribute('src0_1x'),
			]
				.filter(Boolean)
				.map((fallback) => (/^http/.test(fallback) ? fallback : `${site.url}${fallback}`)));

		release.entryId = `${formatDate(release.date, 'YYYY-MM-DD')}-${slugify(release.title)}`;

		return release;
	});
}

function scrapeScene({ html, qu }, url, site) {
	const release = { url };

	release.title = qu.q('.item-episode h4 a', true);
	release.date = qu.date('.item-meta li', 'MMMM D, YYYY', /\w+ \d{1,2}, \d{4}/);
	release.duration = qu.dur('.item-meta li:nth-child(2)');
	release.description = qu.q('.description', true);

	release.actors = qu.all('.item-episode a[href*="/models"]', true);
	if (/bts/i.test(release.title)) release.tags = ['behind the scenes'];

	const posterPath = html.match(/poster="(.*.jpg)"/)?.[1];
	const trailerPath = html.match(/video src="(.*.mp4)"/)?.[1];

	if (posterPath) {
		const poster = /^http/.test(posterPath) ? posterPath : `${site.url}${posterPath}`;
		release.poster = [
			poster.replace('-1x', '-3x'),
			poster.replace('-1x', '-2x'),
			poster,
		];
	}

	if (trailerPath) {
		const trailer = /^http/.test(trailerPath) ? trailerPath : `${site.url}${trailerPath}`;
		release.trailer = { src: trailer };
	}

	release.entryId = `${formatDate(release.date, 'YYYY-MM-DD')}-${slugify(release.title)}`;

	return release;
}

async function fetchActorReleases(actorId, site, page = 1, accScenes = []) {
	const url = site.parameters?.sets
		? `${site.parameters.sets}?id=${actorId}&page=${page}`
		: `${site.url}/sets.php?id=${actorId}&page=${page}`;

	const res = await get(url);

	if (!res.ok) return [];

	const quReleases = initAll(res.item.el, '.item-episode');
	const releases = scrapeAll(quReleases, site);

	const nextPage = res.item.qu.q(`a[href*="page=${page + 1}"]`);

	if (nextPage) {
		return fetchActorReleases(actorId, site, page + 1, accScenes.concat(releases));
	}

	return accScenes.concat(releases);
}

async function scrapeProfile({ qu }, site, withScenes) {
	if (!qu.exists('.content')) {
		// page probably returned a 404 with a 200 HTTP code
		return null;
	}

	const profile = {};

	const bio = qu.all('.stats li', true).reduce((acc, row) => {
		const [key, value] = row.split(':');
		return { ...acc, [slugify(key, '_')]: value.trim() };
	}, {});

	if (bio.height) profile.height = feetInchesToCm(bio.height);
	if (bio.measurements) {
		const [bust, waist, hip] = bio.measurements.split('-');

		if (bust) profile.bust = bust;
		if (waist) profile.waist = Number(waist);
		if (hip) profile.hip = Number(hip);
	}

	profile.avatar = [
		qu.q('.profile-pic img', 'src0_3x'),
		qu.q('.profile-pic img', 'src0_2x'),
		qu.q('.profile-pic img', 'src0_1x'),
	].filter(Boolean).map((source) => (/^http/.test(source) ? source : `${site.url}${source}`));

	if (withScenes) {
		const actorId = qu.q('.profile-pic img', 'id')?.match(/set-target-(\d+)/)?.[1];

		if (actorId) {
			profile.releases = await fetchActorReleases(actorId, site);
		}
	}

	return profile;
}

async function fetchLatest(site, page = 1) {
	const url = site.parameters?.latest
		? format(site.parameters.latest, { page })
		: `${site.url}/categories/movies/${page}/latest/`;
	const res = await geta(url, '.item-episode');

	return res.ok ? scrapeAll(res.items, site) : res.status;
}

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

	return res.ok ? scrapeScene(res.item, url, site) : res.status;
}

async function fetchMovies(channel, page) {
	console.log(channel, page);
}

async function fetchProfile({ name: actorName }, { site }, include) {
	const actorSlugA = slugify(actorName, '');
	const actorSlugB = slugify(actorName);

	const urlA = site.parameters?.profile
		? format(site.parameters.profile, { slug: actorSlugA })
		: `${site.url}/models/${actorSlugA}.html`;

	const urlB = site.parameters?.profile
		? format(site.parameters.profile, { slug: actorSlugB })
		: `${site.url}/models/${actorSlugB}.html`;

	const resA = await get(urlA);
	const res = resA.ok ? resA : await get(urlB);

	return res.ok ? scrapeProfile(res.item, site, include.scenes) : res.status;
}

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