'use strict';

const bhttp = require('bhttp');
const cheerio = require('cheerio');
const { parse, startOfDay } = require('date-fns');

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

    return scenesElements.map((element) => {
        const sceneLinkElement = $(element).find('.sceneTitle a');
        const url = `${site.url}${sceneLinkElement.attr('href')}`;
        const title = sceneLinkElement.attr('title');

        const [likes, dislikes] = $(element).find('.value')
            .toArray()
            .map(value => Number($(value).text()));
        const stars = Math.floor(((likes * 5 + dislikes) / (likes + dislikes)) * 100) / 100;

        const actors = $(element).find('.sceneActors a')
            .map((actorIndex, actorElement) => $(actorElement).attr('title'))
            .toArray();

        const date = startOfDay(parse($(element).find('.sceneDate').text(), 'MM-DD-YYYY'));

        return {
            url,
            title,
            actors,
            date,
            rating: {
                likes,
                dislikes,
                stars,
            },
        };
    });
}

async function fetchReleases(site) {
    const [latestRes, upcomingRes] = await Promise.all([
        bhttp.get(`${site.url}/en/videos`),
        bhttp.get(`${site.url}/en/videos/AllCategories/0/1/upcoming`),
    ]);

    return {
        latest: scrape(latestRes.body.toString(), site),
        upcoming: scrape(upcomingRes.body.toString(), site),
    };
}

module.exports = fetchReleases;