'use strict';

const unprint = require('unprint');

const slugify = require('../utils/slugify');
const { stripQuery } = require('../utils/url');
const { convert } = require('../utils/convert');

const sizeRegex = /_lg|_xl|_tn/;

function resizeSrc(src) {
	if (!src) {
		return null;
	}

	return Array.from(new Set([
		src.replace(sizeRegex, '_1280'),
		src.replace(sizeRegex, '_800'),
		src.replace(sizeRegex, '_xl'),
		src,
	]));
}

function deriveDate(query) {
	const now = new Date();

	// Nov. 2025
	const dateMY = query.date('.i-date', 'MMM. YYYY', { match: /(\w+\.? \d{4})/ });

	if (dateMY) {
		return {
			date: dateMY,
			precision: 'month',
		};
	}

	// Nov. 12th
	const dateMDo = query.date('.i-date', 'MMM. Do', { match: /(\w+\.? \d{1,2}\w+)/ });

	if (dateMDo) {
		if (dateMDo > now) {
			dateMDo.setFullYear(now.getFullYear() - 1);
		}

		return {
			date: dateMDo,
			precision: 'day',
		};
	}

	// 8 Weeks Ago
	const dateAgo = query.dateAgo('.i-date');

	if (dateAgo) {
		return {
			date: dateAgo.date,
			precision: dateAgo.precision === 'week' // not much use for weekly precision
				? 'month'
				: dateAgo.precision,
		};
	}

	return {
		date: null,
		precision: null,
	};
}

function scrapeAll(scenes, channel, parameters) {
	return scenes.map(({ query }) => {
		const release = {};
		const poster = query.img('.item-img img');

		const url = stripQuery(query.url('a.i-title, .item-img a'));
		const { pathname, hostname } = new URL(url);

		release.title = query.content('a.i-title, h2.i-title');
		release.duration = query.duration('.time-ol');

		const { date, precision } = deriveDate(query);

		release.date = date;
		release.datePrecision = precision;

		release.actors = query.content('.i-model').split(',').map((actor) => actor.trim());

		if (hostname.includes('join.') || pathname.includes('/join') || pathname.length <= 1) {
			// no link available, attempt to reconstruct from poster URL
			const entryId = poster?.match(/posting_(\d+)/)?.[1];

			if (entryId) {
				// we can get deep data from this
				release.entryId = entryId;
				release.url = `${channel.origin}${parameters.path}/${slugify(release.actors[0], '-', { lower: false })}/${entryId}/`;
			} else {
				// lost cause, make up entryId to register shallow data
				release.entryId = slugify(release.title);
			}
		} else {
			release.url = url;
			release.entryId = pathname.match(/\/(\d+)\/?$/)[1];
		}

		if (poster) {
			const caps = Array.from(new Set(Array.from({ length: 6 }, (_src, index) => {
				const file = `${String(index + 1).padStart(2, '0')}_lg`;

				return poster.replace(/0\d_lg/, file);
			}))).map((src) => resizeSrc(src));

			release.poster = Array.from({ length: caps[0].length }).flatMap((_value, index) => caps.map((src) => src[index])); // try all the best sources first

			if (caps.length > 1) {
				release.caps = caps;
			}
		}

		release.photos = query.imgs('.thumbs img'); // cards layout

		release.teaser = [
			query.video('.preview-clip source[type="video/mp4"]'),
			query.video('.preview-clip source[type="video/webm"]'),
		].filter(Boolean);

		return release;
	});
}

async function fetchLatest(channel, page = 1, { parameters }) {
	const res = await unprint.get(`${channel.origin}${parameters.path}/?page=${page}`, {
		interface: 'request', // seemingly less prone to HTTPParserError: Response does not match the HTTP/1.1 protocol (Invalid character in chunk size)
		selectAll: '.videos .video, .video-wide', // video-wide for cards layout e.g. Big Boobs POV
	});

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

	return res.status;
}

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

	const info = Object.fromEntries(query.all('.stat').map((infoEl) => [
		slugify(unprint.query.content(infoEl, '.label')),
		unprint.query.content(infoEl, '.value'),
	]));

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

	release.title = query.content('.p-desc h2, #videos_page-page h1');
	release.description = query.text('.p-desc, .desc');

	release.date = unprint.extractDate(info.date, 'MMMM Do, YYYY', { match: /\w+ \d{1,2}\w+, \d{4}/ });
	release.duration = unprint.extractDuration(info.duration) || Number(info.duration) * 60 || null;

	release.actors = query.all('//span[contains(text(), "Featuring")]/following-sibling::span/a').map((actorEl) => ({
		name: unprint.query.content(actorEl),
		url: stripQuery(unprint.query.url(actorEl, null)),
	}));

	release.tags = query.contents('.p-desc a[href*="tag/"], .desc a[href*="tag/"]');

	const style = query.content('.vp style');
	const poster = query.img('#videos_page-page .item-img img') || style?.match(/background-image: url\('(http[\w.:/_-]+)'\);/)?.[1];
	const fallbackPoster = resizeSrc(query.img('meta[itemprop="image"]', { attribute: 'content' })); // usually a different image

	const photos = query.all('.gallery .thumb').map((imgEl) => {
		const link = unprint.query.url(imgEl, 'a');
		const img = unprint.query.img(imgEl, 'img');
		const isJoin = !link || link.includes('join.') || link.includes('/join');

		return Array.from(new Set([
			...isJoin ? [] : [link],
			img.replace('_tn', ''),
			img,
		]));
	});

	if (poster) {
		release.poster = resizeSrc(poster);

		if (fallbackPoster?.includes(poster)) {
			release.photos = [fallbackPoster, ...photos]; // fallback poster isn't usually in photoset, append
		} else {
			release.photos = photos;
		}
	} else {
		release.poster = fallbackPoster;
		release.photos = photos;
	}

	release.trailer = query.all('.vp video source').map((videoEl) => ({
		src: unprint.query.video(videoEl, null),
		quality: parseInt(unprint.query.attribute(videoEl, null, 'res'), 10) || null,
	}));

	return release;
}

async function fetchScene(url, channel, baseRelease) {
	const res = await unprint.get(url, {
		interface: 'request',
	});

	if (res.ok) {
		return scrapeScene(res.context, url, channel, baseRelease);
	}

	return res.status;
}

function scrapeProfile({ query }, url) {
	const profile = { url };
	const { pathname } = new URL(url);

	const bio = Object.fromEntries(query.all('.m-info .stat').map((bioEl) => [
		slugify(unprint.query.content(bioEl, '.label'), '_'),
		unprint.query.content(bioEl, '.value'),
	]));

	if (pathname.includes('big-boob-models')) {
		profile.gender = 'female';
	}

	if (pathname.includes('male-performer')) {
		profile.gender = 'male';
	}

	profile.avatar = query.img('.item-img a img:not([src*="posting"])');

	profile.placeOfResidence = bio.location;
	profile.ethnicity = bio.ethnicity;

	profile.height = convert(bio.height, 'cm');
	profile.weight = convert(bio.weight, 'lb', 'kg');

	if (bio.bra_size && bio.measurements) {
		profile.measurements = bio.measurements.replace(/^\d+-/, `${bio.bra_size}-`);
	} else {
		profile.measurements = bio.measurements || bio.bra_size;
	}

	profile.hairColor = bio.hair_color;

	const birthday = unprint.extractDate(bio.birthday, 'MMMM D', { match: /\w+.?\s+\d{1,2}/ });

	if (birthday) {
		birthday.setFullYear(0); // indicate birth year is unknown
		profile.dateOfBirth = birthday;
	}

	return profile;
}

async function getActorUrl(actor) {
	if (actor.url) {
		return actor.url;
	}

	const searchRes = await unprint.post('https://www.scoreland.com/search-es/', {
		keywords: actor.name,
		's_filters[site]': 'all',
		's_filters[type]': 'models',
	}, {
		interface: 'request',
		form: true,
		followRedirects: false,
	});

	const res = await unprint.get(searchRes.headers.location, {
		interface: 'request',
		cookies: {
			cisession: searchRes.cookies.cisession,
		},
		// followRedirects: false,
		selectAll: '.li-item.model',
	});

	if (res.ok) {
		const actorEl = res.context.find(({ query }) => slugify(query.content('.i-model')) === actor.slug);
		const url = actorEl?.query.url('.i-model');

		if (url) {
			// messy nats link pointing to unpredictable sites, all data seems to be available on scoreland
			const { pathname } = new URL(url);
			const actorPath = pathname.match(/\/[\w-]+\/\d+\/?$/);

			if (actorPath) {
				return `https://www.scoreland.com/big-boob-models${actorPath[0]}`;
			}
		}
	}

	return null;
}

async function fetchProfile(actor) {
	const url = await getActorUrl(actor);

	if (url) {
		const res = await unprint.get(url, {
			interface: 'request',
			select: '#model-page',
		});

		if (res.ok) {
			return scrapeProfile(res.context, url);
		}

		return res.status;
	}

	return null;
}

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