'use strict';

const { get, geta, ctxa } = require('../utils/q');

function extractActors(actorString) {
	return actorString
        ?.replace(/.*:|\(.*\)|\d+(-|\s)year(-|\s)old|nurses?|tangled/ig, '') // remove Patient:, (date) and other nonsense
        .split(/\band\b|\bvs\b|\/|,|&/ig)
        .map(actor => actor.trim())
        .filter(actor => !!actor && !/\banal\b|\bschool\b|\bgamer\b|\breturn\b|\bfor\b|\bare\b|\bpart\b|realdoll|bimbo|p\d+/ig.test(actor))
        || [];
}

function matchActors(actorString, models) {
	if (!actorString) {
		return [];
	}

	return models.filter(model => new RegExp(model.name, 'i').test(actorString));
}

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

		const pathname = qu.url('a.itemimg').slice(1);
		[release.entryId] = pathname.split('/').slice(-1);
		release.url = `${site.url}${pathname}`;

		release.title = qu.q('.itemimg img', 'alt') || qu.q('h4 a', true);
		release.description = qu.q('.mas_longdescription', true);
		release.date = qu.date('.movie_info2', 'MM/DD/YY', /\d{2}\/\d{2}\/\d{2}/);

		const actorString = qu.q('.mas_description', true);
		const actors = matchActors(actorString, models);
		if (actors.length > 0) release.actors = actors;
		else release.actors = extractActors(actorString);

		const posterPath = qu.img('.itemimg img');
		release.poster = `${site.url}/${posterPath}`;

		return release;
	});
}

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

	[release.entryId] = url.split('/').slice(-1);
	release.title = qu.q('.mas_title', true);
	release.description = qu.q('.mas_longdescription', true);
	release.date = qu.date('.mas_description', 'MMMM DD, YYYY', /\w+ \d{1,2}, \d{4}/);

	const actorString = qu.q('.mas_description', true).replace(/\w+ \d{1,2}, \d{4}/, '');
	const actors = matchActors(actorString, models);
	if (actors.length > 0) release.actors = actors;
	else release.actors = extractActors(actorString);

	release.tags = qu.all('.tags a', true);

	release.photos = qu.imgs('.stills img').map(photoPath => `${site.url}/${photoPath}`);

	const posterIndex = 'splash:';
	const poster = html.slice(html.indexOf('faceimages/', posterIndex), html.indexOf('.jpg', posterIndex) + 4);
	if (poster) release.poster = `${site.url}/${poster}`;

	const trailerIndex = html.indexOf('video/mp4');
	const trailer = html.slice(html.indexOf('/content', trailerIndex), html.indexOf('.mp4', trailerIndex) + 4);
	if (trailer) release.trailer = { src: `${site.url}${trailer}` };

	return release;
}

function extractModels({ el }, site) {
	const models = ctxa(el, '.item');

	return models.map(({ qu }) => {
		const actor = { gender: 'female' };

		const avatar = qu.q('.itemimg img');
		actor.avatar = `${site.url}/${avatar.src}`;
		actor.name = avatar.alt
			.split(':').slice(-1)[0]
			.replace(/xtreme girl|nurse/ig, '')
			.trim();

		const actorPath = qu.url('.itemimg');
		actor.url = `${site.url}${actorPath.slice(1)}`;

		return actor;
	});
}

async function fetchModels(site, page = 1, accModels = []) {
	const url = `${site.url}/?models/${page}`;
	const res = await get(url);

	if (res.ok) {
		const models = extractModels(res.item, site);
		const nextPage = res.item.qa('.pagenumbers', true)
			.map(pageX => Number(pageX))
			.filter(Boolean) // remove << and >>
			.includes(page + 1);

		if (nextPage) {
			return fetchModels(site, page + 1, accModels.concat(models));
		}

		return accModels.concat(models, { name: 'Dr. Gray' });
	}

	return [];
}

async function fetchLatest(site, page = 1, models) {
	const url = `${site.url}/show.php?a=${site.parameters.a}_${page}`;
	const res = await geta(url, '.item');

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

async function fetchScene(url, site, release, beforeFetchLatest) {
	const models = beforeFetchLatest || await fetchModels(site);
	const res = await get(url);

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

module.exports = {
	fetchLatest,
	fetchScene,
	beforeFetchLatest: fetchModels,
};