'use strict';

/* eslint-disable newline-per-chained-call */
const bhttp = require('bhttp');
const cheerio = require('cheerio');
const moment = require('moment');

const logger = require('../logger')(__filename);
const slugify = require('../utils/slugify');
const { get, getAll, ex } = require('../utils/q');

function scrape(html, site) {
	const $ = cheerio.load(html, { normalizeWhitespace: true });
	const sceneElements = $('.echThumb').toArray();

	return sceneElements.map((element) => {
		const sceneLinkElement = $(element).find('.thmb_lnk');
		const title = sceneLinkElement.attr('title');
		const url = site.parameters?.legacy
			? `https://${site.url}{sceneLinkElement.attr('href')}`
			: `https://bangbros.com${sceneLinkElement.attr('href')}`;
		const shootId = sceneLinkElement.attr('id') && sceneLinkElement.attr('id').split('-')[1];
		const entryId = url.split('/')[3].slice(5);

		const date = moment.utc($(element).find('.thmb_mr_2 span.faTxt').text(), 'MMM D, YYYY').toDate();
		const actors = $(element).find('.cast-wrapper a.cast').map((actorIndex, actorElement) => $(actorElement).text().trim()).toArray();

		const photoElement = $(element).find('.rollover-image');
		const poster = `https:${photoElement.attr('data-original')}`;

		const photosUrl = photoElement.attr('data-rollover-url');
		const photosMaxIndex = photoElement.attr('data-rollover-max-index');
		const photos = Array.from({ length: photosMaxIndex }, (val, index) => `https:${photosUrl}big${index + 1}.jpg`);

		const duration = moment.duration(`0:${$(element).find('.thmb_pic b.tTm').text()}`).asSeconds();
		const channel = $(element).find('a[href*="/websites"]').attr('href').split('/').slice(-1)[0];

		return {
			url,
			entryId,
			shootId,
			title,
			actors,
			date,
			duration,
			poster,
			photos,
			rating: null,
			site,
			channel,
		};
	});
}

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

		const pathname = qu.url('.mainplayer a, .palyer a'); // sic
		release.url = `${site.url}${pathname}`;
		release.entryId = pathname.match(/video\d+/)?.[0];

		release.title = qu.q('h2', true);
		release.date = qu.date('div:not(.videoDisc)', 'MMM DD, YYYY', /\w+ \d{1,2}, \d{4}/);
		release.description = qu.q('div + .videoDisc p', true);
		release.duration = qu.dur('.videoTag .title');

		release.poster = qu.img('.mainplayer img, .palyer img'); // sic
		release.photos = qu.imgs('article img').concat(qu.imgs('article img', 'data-original')).filter(Boolean);

		return release;
	});
}

/* no dates available, breaks database
function scrapeUpcoming(html, site) {
    const { document } = ex(html);

    return ctxa(document, 'a[id*="upcoming-videos"]').map(({ element, q }) => {
        const release = {};
        [release.shootId] = element.id.split('-').slice(-1);
        const siteCode = release.shootId.match(/[a-z]+/)[0];

        if (siteCode !== site.parameters.code) {
            return null;
        }

        const posterEl = q('img');

        [release.entryId] = element.href.split('/')[1].match(/\d+/);
        release.url = `https://bangbros.com${element.href}`;
        release.title = posterEl.alt;
        release.poster = `https:${posterEl.src}`;

        release.actors = q('.castName', true).split(/ in/g).slice(0, -1).map(actorName => actorName.trim());

        console.log(release);

        return release;
    }).filter(Boolean);
}
*/

function scrapeScene(html, url, _site) {
	const { qu } = ex(html, '.playerSection');
	const release = {};

	[release.shootId] = qu.q('.vdoTags + .vdoCast', true).match(/\w+$/);
	[release.entryId] = url.split('/')[3].match(/\d+$/);
	release.title = qu.q('.ps-vdoHdd h1', true);
	release.description = qu.q('.vdoDesc', true);

	release.actors = qu.all('a[href*="/model"]', true);
	release.tags = qu.all('.vdoTags a', true);

	release.stars = Number(qu.q('div[class*="like"]', true).match(/^\d+/)[0]) / 20;

	const poster = qu.img('img#player-overlay-image');
	release.poster = [
		poster,
		poster.replace('/big_trailer', '/members/450x340'), // load error fallback
	];

	release.trailer = { src: qu.trailer() };

	// all scenes seem to have 12 album photos available, not always included on the page
	const firstPhotoUrl = ex(html).qu.img('img[data-slider-index="1"]');
	release.photos = Array.from({ length: 12 }, (val, index) => firstPhotoUrl.replace(/big\d+/, `big${index + 1}`));

	const [channel] = qu.url('a[href*="/websites"]').match(/\w+$/);

	if (channel === 'bangcasting') release.channel = 'bangbroscasting';
	if (channel === 'remaster') release.channel = 'bangbrosremastered';
	else release.channel = channel;

	return release;
}

function scrapeSceneLegacy({ qu }, url) {
	const release = {};

	release.entryId = new URL(url).pathname.match(/video\d+/)?.[0];

	release.title = qu.q('h1', true);
	release.description = qu.q('.videoDetail', true);
	release.duration = qu.dur('.tags p span');

	release.poster = qu.img('#video_container + div img, .videoOverlay img');

	return release;
}

function scrapeProfile(html, scope) {
	const { q } = ex(html);
	const profile = {};

	const avatar = q('.profilePic img', 'src');
	if (avatar) profile.avatar = `https:${avatar}`;

	profile.releases = scrape(html, scope.network);

	return profile;
}

function scrapeProfileSearch(html, actorName) {
	const { qu } = ex(html);
	const actorLink = qu.url(`a[title="${actorName}" i][href*="model"]`);

	return actorLink ? `https://bangbros.com${actorLink}` : null;
}

async function fetchLatest(site, page = 1) {
	if (site.parameters?.legacy) {
		const url = `${site.url}/videos/${page}`;
		const res = await getAll(url, '.videoList');

		if (res.ok) {
			return scrapeLegacy(res.items, site);
		}

		return res.status;
	}

	const res = await get(`${site.url}/${page}`);

	if (res.ok) {
		return scrape(res.item.html, site);
	}

	return res.status;
}

/*
async function fetchUpcoming(site) {
    const res = await bhttp.get('https://www.bangbros.com');

    return scrapeUpcoming(res.body.toString(), site);
}
*/

async function fetchScene(url, site, release) {
	if (!release?.date) {
		logger.warn(`Scraping Bang Bros scene from URL without release date: ${url}`);
	}

	const { origin } = new URL(url);
	const res = await get(url);

	if (!res.ok) {
		return res.status;
	}

	if (site.parameters?.legacy) {
		return scrapeSceneLegacy(res.item, url, site);
	}

	if (!/https?:\/\/(www.)?bangbros.com\/?$/.test(origin)) {
		throw new Error('Cannot fetch from this URL. Please find the scene on https://bangbros.com and try again.');
	}

	return scrapeScene(res.item.html, url, site);
}

async function fetchProfile(actorName, scope) {
	const actorSlug = slugify(actorName);
	const url = `https://bangbros.com/search/${actorSlug}`;
	const res = await bhttp.get(url);

	if (res.statusCode === 200) {
		const actorUrl = scrapeProfileSearch(res.body.toString(), actorName);

		if (actorUrl) {
			const actorRes = await bhttp.get(actorUrl);

			if (actorRes.statusCode === 200) {
				return scrapeProfile(actorRes.body.toString(), scope);
			}
		}
	}

	return null;
}

module.exports = {
	fetchLatest,
	fetchScene,
	fetchProfile,
	// fetchUpcoming, no dates available
};