'use strict';

const bhttp = require('bhttp');
const cheerio = require('cheerio');
const moment = require('moment');

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 date = moment
            .utc($(element).find('.sceneDate').text(), 'MM-DD-YYYY')
            .toDate();

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

        const [likes, dislikes] = $(element).find('.value')
            .toArray()
            .map(value => Number($(value).text()));

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

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

    const title = $('h1.title').text();
    const date = moment.utc($('.updatedDate').text(), 'MM-DD-YYYY').toDate();
    const actors = $('.sceneColActors a').map((actorIndex, actorElement) => $(actorElement).text()).toArray();
    const description = $('.sceneDesc').text().replace(/Video Description:/g, ' ').trim();
    const stars = $('.currentRating').text().split('/')[0] / 2;

    return {
        url,
        title,
        date,
        actors,
        description,
        rating: {
            stars,
        },
        site,
    };
}

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

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

async function fetchUpcoming(site) {
    const res = await bhttp.get(`${site.url}/en/videos/AllCategories/0/1/upcoming`);

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

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

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

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