'use strict';

const Promise = require('bluebird');
const bhttp = require('bhttp');
const cheerio = require('cheerio');
const { JSDOM } = require('jsdom');
const moment = require('moment');

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

async function fetchPhotos(url) {
    const res = await bhttp.get(url);

    return res.body.toString();
}

function scrapePhotos(html) {
    const $ = cheerio.load(html, { normalizeWhitespace: true });

    const photos = $('.photo_gallery_thumbnail_wrapper .thumbs')
        .toArray()
        .map((photoElement) => {
            const src = $(photoElement).attr('src');

            // high res often available in alternative directories, but not always, provide original as fallback
            return [
                src.replace('thumbs/', 'photos/'),
                src.replace('thumbs/', '1024watermarked/'),
                src,
            ];
        });

    return photos;
}

async function getPhotos(entryId, site, page = 1) {
    const albumUrl = `https://www.julesjordan.com/trial/gallery.php?id=${entryId}&type=highres&page=${page}`;

    const html = await fetchPhotos(albumUrl);
    const $ = cheerio.load(html, { normalizeWhitespace: true });

    const photos = scrapePhotos(html);
    const pagesString = $('.page_totals').text().trim();
    const pages = pagesString.length > 0 ? Number($('.page_totals').text().trim().match(/\d+$/)[0]) : null;

    const otherPhotos = pages
        ? await Promise.map(Array.from({ length: pages - 1 }), async (val, index) => {
            const pageUrl = `https://www.julesjordan.com/trial/gallery.php?id=${entryId}&type=highres&page=${index + 2}`;
            const pageHtml = await fetchPhotos(pageUrl);

            return scrapePhotos(pageHtml);
        }, {
            concurrency: 2,
        })
        : [];

    return photos.concat(otherPhotos.flat());
}

function scrapeLatest(html, site) {
    const $ = cheerio.load(html, { normalizeWhitespace: true });
    const scenesElements = $('.update_details').toArray();

    return scenesElements.map((element) => {
        const photoElement = $(element).find('a img.thumbs');
        const photoCount = Number(photoElement.attr('cnt'));
        const [poster, ...photos] = Array.from({ length: photoCount }, (value, index) => {
            const src = photoElement.attr(`src${index}_1x`) || photoElement.attr(`src${index}`);

            if (!src) return null;
            if (src.match(/^http/)) return src;

            return `${site.url}${src}`;
        }).filter(photoUrl => photoUrl);

        const sceneLinkElement = $(element).children('a').eq(1);
        const url = sceneLinkElement.attr('href');
        const title = sceneLinkElement.text();

        const entryId = $(element).attr('data-setid');

        const date = moment
            .utc($(element).find('.update_date').text(), 'MM/DD/YYYY')
            .toDate();

        const actors = $(element).find('.update_models a')
            .map((actorIndex, actorElement) => $(actorElement).text())
            .toArray();

        return {
            url,
            entryId,
            title,
            actors,
            date,
            poster,
            photos,
            site,
        };
    });
}

function scrapeUpcoming(html, site) {
    const $ = cheerio.load(html, { normalizeWhitespace: true });
    const scenesElements = $('#coming_soon_carousel').find('.table').toArray();

    return scenesElements.map((element) => {
        const entryId = $(element).find('.upcoming_updates_thumb').attr('id').match(/\d+/)[0];

        const details = $(element).find('.update_details_comingsoon')
            .eq(1)
            .children()
            .remove();

        const title = details
            .end()
            .text()
            .trim();

        const actors = details
            .text()
            .trim()
            .split(', ');

        const date = moment
            .utc($(element).find('.update_date_comingsoon').text().slice(7), 'MM/DD/YYYY')
            .toDate();

        const photoElement = $(element).find('a img.thumbs');
        const posterPath = photoElement.attr('src');
        const poster = posterPath.match(/^http/) ? posterPath : `${site.url}${posterPath}`;

        const videoClass = $(element).find('.update_thumbnail div').attr('class');
        const videoScript = $(element).find(`script:contains(${videoClass})`).html();
        const trailer = videoScript.slice(videoScript.indexOf('https://'), videoScript.indexOf('.mp4') + 4);

        return {
            url: null,
            entryId,
            title,
            date,
            actors,
            poster,
            trailer: {
                src: trailer,
            },
            rating: null,
            site,
        };
    });
}

async function scrapeScene(html, url, site) {
    const $ = cheerio.load(html, { normalizeWhitespace: true });

    const title = $('.title_bar_hilite').text().trim();
    const entryId = $('.suggest_tags a').attr('href').match(/\d+/)[0];
    const date = moment
        .utc($('.update_date').text(), 'MM/DD/YYYY')
        .toDate();

    const actors = $('.backgroundcolor_info > .update_models a')
        .map((_actorIndex, actorElement) => $(actorElement).text())
        .toArray();

    const description = $('.update_description').text().trim();

    const stars = Number($('.avg_rating').text().trim().replace(/[\s|Avg Rating:]/g, ''));

    const infoLines = $('script:contains("useimage")')
        .html()
        .split('\n');

    const posterPath = infoLines.find(line => line.match('useimage')).replace('useimage = "', '').slice(0, -2);
    const poster = posterPath.match(/^http/) ? posterPath : `${site.url}${posterPath}`;

    const trailerLine = infoLines.find(line => line.match('movie["Trailer_720"]'));
    const trailer = trailerLine.slice(trailerLine.indexOf('path:"') + 6, trailerLine.indexOf('",movie'));

    const photos = await getPhotos(entryId, site);

    const tags = $('.update_tags a').map((tagIndex, tagElement) => $(tagElement).text()).toArray();
    const movie = $('.update_dvds a').attr('href');

    return {
        url,
        entryId,
        title,
        date,
        actors,
        description,
        poster,
        photos,
        movie,
        trailer: {
            src: trailer,
            quality: 720,
        },
        rating: {
            stars,
        },
        tags,
        site,
    };
}

function scrapeProfile(html, url, actorName) {
    const { document } = new JSDOM(html).window;

    const bio = document.querySelector('.model_bio').textContent;
    const avatarEl = document.querySelector('.model_bio_pic');

    const profile = {
        name: actorName,
    };

    const heightString = bio.match(/\d+ feet \d+ inches/);
    const ageString = bio.match(/Age:\s*\d{2}/);
    const measurementsString = bio.match(/\w+-\d+-\d+/);

    if (heightString) profile.height = heightToCm(heightString[0]);
    if (ageString) profile.age = Number(ageString[0].match(/\d{2}/)[0]);
    if (measurementsString) [profile.bust, profile.waist, profile.hip] = measurementsString[0].split('-');

    if (avatarEl) {
        const src = avatarEl.innerHTML.slice(avatarEl.innerHTML.indexOf('src') + 5, avatarEl.innerHTML.indexOf('set.jpg') + 7).trim();
        const src0 = avatarEl.innerHTML.slice(avatarEl.innerHTML.indexOf('src0') + 6, avatarEl.innerHTML.indexOf('set.jpg') + 7).trim();
        const src1 = avatarEl.innerHTML.slice(avatarEl.innerHTML.indexOf('src0_1x') + 9, avatarEl.innerHTML.indexOf('1x.jpg') + 6).trim();
        const src2 = avatarEl.innerHTML.slice(avatarEl.innerHTML.indexOf('src0_2x') + 9, avatarEl.innerHTML.indexOf('2x.jpg') + 6).trim();
        const src3 = avatarEl.innerHTML.slice(avatarEl.innerHTML.indexOf('src0_3x') + 9, avatarEl.innerHTML.indexOf('3x.jpg') + 6).trim();

        const avatar = src3 || src2 || src1 || src0 || src;

        if (avatar) profile.avatar = avatar;
    }

    profile.releases = Array.from(document.querySelectorAll('.category_listing_block .update_details > a:first-child'), el => el.href);

    return profile;
}

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

    return scrapeLatest(res.body.toString(), site);
}

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

    return scrapeUpcoming(res.body.toString(), site);
}

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

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

async function fetchProfile(actorName) {
    const actorSlugA = actorName.toLowerCase().replace(/\s+/g, '-');
    const actorSlugB = actorName.toLowerCase().replace(/\s+/g, '');

    const urlA = `https://julesjordan.com/trial/models/${actorSlugA}.html`;
    const urlB = `https://julesjordan.com/trial/models/${actorSlugB}.html`;

    const resA = await bhttp.get(urlA);

    if (resA.statusCode === 200) {
        const profile = scrapeProfile(resA.body.toString(), urlA, actorName);

        return profile;
    }

    const resB = await bhttp.get(urlB);

    if (resB.statusCode === 200) {
        const profile = scrapeProfile(resB.body.toString(), urlB, actorName);

        return profile;
    }

    return null;
}

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