'use strict';

const unprint = require('unprint');

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

		release.url = query.url('.item-thumb a, .item-info h4 a');
		release.entryId = new URL(release.url).pathname.match(/\/trailers\/(.*)\.html/)[1].toLowerCase();

		release.title = query.content('.item-info h4 a, .item-info a[title]');
		release.date = query.date('.date', 'YYYY-MM-DD');
		release.duration = query.duration('.time');

		release.photoCount = query.number('.time');

		const photoCount = query.number('.item-thumb img.mainThumb', { attribute: 'cnt' });

		if (photoCount) {
			[release.poster, ...release.photos] = Array.from({ length: photoCount }, (value, index) => [
				query.img('.item-thumb img.mainThumb', { attribute: `src${index}_2x` }),
				query.img('.item-thumb img.mainThumb', { attribute: `src${index}_3x` }), // 3x is too big and usually inflated, try 2x first
				query.img('.item-thumb img.mainThumb', { attribute: `src${index}_1x` }),
			]);
		}

		return release;
	});
}

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

	release.entryId = new URL(url).pathname.match(/\/trailers\/(.*)\.html/)[1].toLowerCase();

	release.title = query.content('.videoDetails h3');
	release.description = query.content('.videoDetails p');

	release.date = query.date('.videoInfo', 'MMMM D, YYYY');
	release.duration = query.duration('.videoInfo');

	release.actors = query.all('.update_models a').map((actorEl) => ({
		name: unprint.query.content(actorEl),
		url: unprint.query.url(actorEl, null),
	}));

	release.tags = query.contents('.featuring a[href*="categories/"]');
	release.photoCount = query.number('.videoInfo', { match: /(\d+) photos/i, matchIndex: 1 });

	release.trailer = unprint.prefixUrl(html.match(/src="(\/trailers\/.*\.mp4)"/)?.[1], entity.url);

	const posterUrl = unprint.prefixUrl(html.match(/poster="(\/content\/.*\.jpg)"/)?.[1], entity.url);

	const posterFallbacks = [
		posterUrl.replace('-1x', '-2x'),
		posterUrl.replace('-1x', '-3x'),
		posterUrl,
	];

	// scene page poster does not appear on update page
	if (baseRelease?.poster) {
		release.photos = [posterFallbacks, ...(baseRelease.photos || [])];
	} else {
		release.poster = posterFallbacks;
	}

	return release;
}

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

	profile.description = query.content('.profile-about') || null;

	profile.avatar = [
		query.img('.profile-pic img', { attribute: 'src0_1x' }),
		// too big, not desirable unless 1x fails
		query.img('.profile-pic img', { attribute: 'src0_2x' }),
		query.img('.profile-pic img', { attribute: 'src0_3x' }),
	];

	return profile;
}

async function fetchLatest(channel, page = 1) {
	const url = `${channel.url}/categories/movies/${page}/latest/`;
	const res = await unprint.get(url, { selectAll: '.items .item-video' });

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

	return res.status;
}

async function fetchProfile(actor, entity) {
	const url = actor.url || `${entity.url}/models/${actor.slug}.html`;
	const res = await unprint.get(url);

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

	return res.status;
}

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