'use strict';

const unprint = require('unprint');

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

const slugUrlMap = {
	nubiles: 'https://www.nubiles.net',
	nubilesporn: 'https://www.nubiles-porn.com',
};

function stripQuery(link) {
	if (!link) {
		return null;
	}

	const url = new URL(link);

	return `${url.origin}${url.pathname}`;
}

async function getPhotos(albumUrl) {
	const res = await unprint.get(albumUrl, {
		selectAll: '.photo-thumb',
		interface: 'request',
	});

	return res.ok
		? res.context.map(({ query }) => unprint.prefixUrl(query.element('source').srcset))
		: [];
}

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

		release.title = query.content('.title a');
		release.url = stripQuery(unprint.prefixUrl(query.url('.title a'), entity.url));
		release.entryId = Number(new URL(release.url).pathname.match(/\/watch\/(\d+)/)[1]);

		release.date = query.date('.date', 'MMM D, YYYY');

		if (query.exists('.models a.model')) {
			release.actors = query.all('.models a.model').map((actorEl) => ({
				name: unprint.query.content(actorEl),
				url: unprint.prefixUrl(unprint.query.url(actorEl, null), entity.url),
			}));
		} else {
			// upcoming page has single string of actors, implicitly separated by a lot of whitespace
			release.actors = query.content('.models', { trim: false })?.trim().split(/\s{2,}/);
		}

		const poster = query.sourceSet('img', 'data-srcset')?.[0];

		release.poster = poster && [
			poster.replace('_640', '_1280'),
			poster,
		];

		release.stars = query.number('.rating');
		release.likes = query.number('.likes');

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

		return release;
	});
}

async function fetchLatest(site, page = 1) {
	const url = `${site.url}/video/gallery/${(page - 1) * 12}`; // /0 redirects back to /

	const res = await unprint.get(url, {
		interface: 'request',
		selectAll: '.content-grid-item',
	});

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

	return res.status;
}

async function fetchUpcoming(site) {
	if (site.parameters?.upcoming) {
		const url = `${site.url}/video/upcoming`;

		const res = await unprint.get(url, {
			selectAll: '.content-grid-item',
			interface: 'request',
		});

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

		return res.status;
	}

	return [];
}

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

	const { origin, pathname } = new URL(url);
	release.url = `${origin}${pathname}`;

	release.entryId = new URL(url).pathname.split('/')[3];
	release.title = query.content('.content-pane-title h2');
	release.description = query.content('.content-pane-column div');

	release.date = query.date('.date', 'MMM D, YYYY');

	release.actors = query.all('.content-pane-performers .model').map((actorEl) => ({
		name: unprint.query.content(actorEl),
		url: unprint.prefixUrl(unprint.query.url(actorEl, null), entity.url),
	}));

	release.tags = query.contents('.categories a');

	release.poster = query.poster() || query.img('.fake-video-player img');
	release.trailer = query.all('source').map((source) => ({
		src: source.src,
		quality: Number(source.getAttribute('res')),
	}));

	release.stars = query.number('.score');
	release.likes = query.number('#likecount');

	const albumLink = query.url('.content-pane-related-links a[href*="gallery"]');

	if (albumLink && include.photos) {
		release.photos = await getPhotos(unprint.prefixUrl(albumLink, new URL(entity.url).origin));
	}

	return release;
}

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

	if (res.ok) {
		return scrapeScene(res.context, { url, entity, include });
	}

	return res.status;
}

function scrapeProfile({ query }, avatar) {
	const profile = {};

	const keys = query.contents('.model-profile .model-profile-subheading');
	const values = query.contents('.model-profile .model-profile-subheading + p');

	const bio = keys.reduce((acc, key, index) => ({ ...acc, [slugify(key, '_')]: values[index] }), {});

	profile.age = Number(bio.age);
	profile.description = query.content('.model-bio');

	profile.residencePlace = bio.location;

	profile.height = heightToCm(bio.height);
	profile.measurements = bio.figure;

	const photo = query.img('.model-profile img');

	// avatar on profile page is different, index avatar preferred
	if (avatar?.length > 0) {
		profile.avatar = avatar;
		profile.photos = [photo];
	} else {
		profile.avatar = photo;
	}

	return profile;
}

async function findModel(actor, entity) {
	const firstLetter = actor.name.charAt(0).toLowerCase();
	const origin = slugUrlMap[entity.slug] || entity.url;

	const url = `${origin}/model/alpha/${firstLetter}`;

	const resModels = await unprint.get(url, {
		interface: 'request',
	});

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

	const modelEl = resModels.context.query.all('.content-grid-item').find((el) => slugify(unprint.query.content(el, 'a.title')) === slugify(actor.name));

	if (modelEl) {
		const modelUrl = `${origin}${unprint.query.url(modelEl, 'a.title')}`;
		const modelAvatar = unprint.query.sourceSet(modelEl, 'a picture img', 'data-srcset');

		return {
			url: modelUrl,
			avatar: modelAvatar,
		};
	}

	// try actor URL last in order to grab avatar
	if (actor.url) {
		return { url: actor.url };
	}

	return null;
}

async function fetchProfile(actor, { entity }) {
	const model = await findModel(actor, entity);

	if (model) {
		const resModel = await unprint.get(model.url, {
			interface: 'request',
		});

		if (resModel.ok) {
			return scrapeProfile(resModel.context, model.avatar);
		}

		return resModel.status;
	}

	return null;
}

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