'use strict';

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

const logger = require('../logger')(__filename);
const slugify = require('../utils/slugify');
const http = require('../utils/http');
const qu = require('../utils/qu');
const args = require('../argv');

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

	return sceneElements.map((element) => {
		const release = {};

		const sceneLinkElement = $(element).find('.thmb_lnk');

		release.title = sceneLinkElement.attr('title');
		release.url = site.parameters?.legacy || !site.parent
			? `${site.url}${sceneLinkElement.attr('href')}`
			: `${site.parent.url}${sceneLinkElement.attr('href')}`;

		release.shootId = sceneLinkElement.attr('id') && sceneLinkElement.attr('id').split('-')[1];
		release.entryId = new URL(release.url).pathname.match(/video(\d+)/)?.[1];

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

		const photoElement = $(element).find('.rollover-image');
		const photosUrl = photoElement.attr('data-rollover-url');
		const photosMaxIndex = photoElement.attr('data-rollover-max-index');

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

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

		return release;
	});
}

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

		const pathname = query.url('.mainplayer a, .palyer a'); // sic
		release.url = `${site.url}${pathname}`;
		release.entryId = pathname.match(/video(\d+)/)?.[1];

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

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

		return release;
	});
}

function scrapeAllMembers(scenes, _channel) {
	return scenes.map(({ query, el }) => {
		const release = {};
		const data = JSON.parse(query.q(el, null, 'data-shoot'));

		release.entryId = data?.id || query.url('a.etLnk')?.match(/\d+$/)?.[0];
		release.shootId = data?.code;
		release.url = data.url ? qu.prefixUrl(data.url, 'https://members.bangbros.com') : query.url('a.etLnk');

		release.title = data?.title || query.cnt('.etl-hdd');
		release.description = data?.description || query.cnt('.etl-desc');

		release.date = query.date('.etl-dt', 'MMM DD, YYYY', /\w{3} \d{1,2}, \d{4}/);
		release.actors = data?.model.map((actor) => ({
			name: actor.name,
			url: qu.prefixUrl(actor.url, 'https://members.bangbros.com'),
		}));

		const rolloverUrl = query.q('.rollover-image', 'data-rollover-url');
		release.poster = data?.image || query.img('.rollover-image', 'data-initial-image-url');

		if (rolloverUrl) {
			release.photos = Array.from({ length: 15 }, (value, index) => `${rolloverUrl}${index + 1}.jpg`);
		}

		release.trailer = data?.trailer;
		release.tags = data?.tag.map((tag) => tag.name);

		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 { query } = qu.ex(html, '.playerSection');
	const release = {};

	const { pathname } = new URL(url);

	[release.shootId] = query.cnt('.vdoTags + .vdoCast')?.match(/\w+$/) || [];
	release.entryId = pathname.match(/video(\d+)/)?.[1];

	release.title = query.cnt('.ps-vdoHdd h1');
	release.description = query.cnt('.vdoDesc');

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

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

	const poster = query.img('img#player-overlay-image, img.playerPic');

	if (poster) {
		release.poster = [
			poster.replace('//big_trailer', '/big_trailer'),
			poster.replace(/\/?\/big_trailer/, '/members/450x340'), // load error fallback
		];
	}

	release.trailer = [
		query.video('video source[type="video/mp4"]'),
		query.video('video source[type="application/x-mpegURL"]'),
	];

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

	const [channel] = query.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({ query }, url) {
	const release = {};

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

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

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

	return release;
}

function scrapeSceneMembers({ query }, url) {
	const release = {};

	release.entryId = new URL(url).pathname.match(/(\d+)\/?$/)[1];
	release.shootId = query.img('.player img')?.match(/\/shoots\/(\w+)\//)?.[1];

	release.title = query.cnt('.vdo-hdd1');
	release.description = query.cnt('.ndcp');

	release.actors = query.all('.vdsc a[href*="/model"]').map((actorEl) => ({
		name: query.cnt(actorEl, 'span'),
		url: query.url(actorEl, null, 'href', { origin: 'https://members.bangbros.com' }),
		avatar: query.img(actorEl, 'img'),
	}));

	release.date = query.date('.ran:nth-child(2)', 'MMM DD, YYYY', /\w{3} \d{1,2}, \d{4}/);
	release.duration = query.duration('.ran:nth-child(3)');

	release.tags = query.cnts('.tag a[href*="/tags"]');
	release.channel = slugify(query.cnt('.tag a[href*="/site"]'), '');

	return release;
}

function scrapeProfile(html, scope) {
	const { query } = qu.ex(html);
	const profile = {};

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

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

	return profile;
}

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

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

async function fetchLatest(site, page = 1) {
	const res = await qu.get(`${site.parameters?.latest || site.url}/${page}`);

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

	return res.status;
}

async function fetchLatestMembers(channel, page = 1, { parameters }) {
	if (!parameters.product) {
		throw new Error(`No member area product ID known for '${channel.name}'`);
	}

	if (!args.cookie) {
		throw new Error(`Please specifiy --cookie "PHPSESSID=xxx" to access the '${channel.name}' members area.`);
	}

	const url = `https://members.bangbros.com/product/${parameters.product}/videos/latest/${page}`;

	const res = await qu.getAll(url, '.thumbHolder .echThumb', {
		cookie: args.cookie,
	});

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

	return res.status;
}

async function fetchLatestLegacy(site, page = 1) {
	const url = `${site.parameters?.latest || site.url}/videos/${page}`;
	const res = await qu.getAll(url, '.videoList');

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

	return res.status;
}

/*
async function fetchUpcoming(site) {
    const res = await http.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 qu.get(url);

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

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

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

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

async function fetchSceneMembers(url, baseRelease, channel, { parameters }) {
	if (!parameters.product) {
		throw new Error(`No member area product ID known for '${channel.name}'`);
	}

	if (!args.cookie) {
		throw new Error(`Please specifiy --cookie "PHPSESSID=xxx" to access the '${channel.name}' members area.`);
	}

	const res = await qu.get(url, null, {
		cookie: args.cookie,
	});

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

	return res.status;
}

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

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

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

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

	return null;
}

module.exports = {
	fetchLatest,
	fetchScene,
	fetchProfile,
	legacy: {
		fetchLatest: fetchLatestLegacy,
	},
	members: {
		fetchLatest: fetchLatestMembers,
		fetchScene: fetchSceneMembers,
	},
	// fetchUpcoming, no dates available
};