'use strict';

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

const knex = require('../knex');
const { matchTags } = require('../tags');

function scrape(html, site, upcoming) {
    const $ = cheerio.load(html, { normalizeWhitespace: true });
    const sceneElements = $('.release-card.scene').toArray();

    return sceneElements.reduce((acc, element) => {
        const isUpcoming = $(element).find('.icon-upcoming.active').length === 1;

        if ((upcoming && !isUpcoming) || (!upcoming && isUpcoming)) {
            return acc;
        }

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

        const url = `https://www.brazzers.com${sceneLinkElement.attr('href')}`;
        const title = sceneLinkElement.attr('title');
        const shootId = url.split('/').slice(-3, -2)[0];

        const date = moment.utc($(element).find('time').text(), 'MMMM DD, YYYY').toDate();
        const actors = $(element).find('.model-names a').map((actorIndex, actorElement) => $(actorElement).attr('title')).toArray();

        const likes = Number($(element).find('.label-rating .like-amount').text());
        const dislikes = Number($(element).find('.label-rating .dislike-amount').text());

        const poster = `https:${$(element).find('.card-main-img').attr('data-src')}`;
        const photos = $(element).find('.card-overlay .image-under').map((photoIndex, photoElement) => `https:${$(photoElement).attr('data-src')}`).toArray();

        return acc.concat({
            url,
            shootId,
            title,
            actors,
            date,
            poster,
            photos,
            rating: {
                likes,
                dislikes,
            },
            site,
        });
    }, []);
}

async function scrapeScene(html, url, site) {
    const $ = cheerio.load(html, { normalizeWhitespace: true });
    const videoJson = $('script:contains("window.videoUiOptions")').html();
    const videoData = JSON.parse(videoJson.slice(videoJson.indexOf('{"stream_info":'), videoJson.lastIndexOf('"},') + 2));

    const shootId = url.split('/').slice(-3, -2)[0];
    const title = $('.scene-title[itemprop="name"]').text();

    const description = $('#scene-description p[itemprop="description"]')
        .contents()
        .first()
        .text()
        .trim();

    const date = moment.utc($('.more-scene-info .scene-date').text(), 'MMMM DD, YYYY').toDate();
    const actors = $('.related-model a').map((actorIndex, actorElement) => $(actorElement).text()).toArray();
    const duration = Number($('.scene-length[itemprop="duration"]').attr('content').slice(1, -1)) * 60;

    const likes = Number($('.label-rating .like').text());
    const dislikes = Number($('.label-rating .dislike').text());

    const siteElement = $('.niche-site-logo');
    const siteUrl = `https://www.brazzers.com${siteElement.attr('href').slice(0, -1)}`;
    const siteName = siteElement.attr('title');

    const rawTags = $('.tag-card-container a').map((tagIndex, tagElement) => $(tagElement).text()).toArray();

    const poster = `https:${videoData.poster}`;
    const trailer = `https:${videoData.stream_info.http.paths.mp4_480_1500}`;
    const photos = $('.carousel-thumb a').map((photoIndex, photoElement) => `https:${$(photoElement).attr('href')}`).toArray();

    const [tags, channelSite] = await Promise.all([
        matchTags(rawTags),
        knex('sites')
            .where({ url: siteUrl })
            .orWhere({ name: siteName })
            .first(),
    ]);

    return {
        url,
        shootId,
        title,
        description,
        actors,
        date,
        poster,
        photos,
        trailer: {
            src: trailer,
            quality: 480,
        },
        duration,
        rating: {
            likes,
            dislikes,
        },
        tags,
        site: channelSite || site,
    };
}

async function fetchLatest(site, page = 1) {
    const res = await bhttp.get(`${site.url}/page/${page}/`);

    return scrape(res.body.toString(), site, false);
}

async function fetchUpcoming(site) {
    const res = await bhttp.get(`${site.url}/`);

    return scrape(res.body.toString(), site, true);
}

async function fetchScene(url, site) {
    const res = await bhttp.get(url);

    return scrapeScene(res.body.toString(), url, site);
}

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