'use strict';

const config = require('config');
const fetch = require('node-fetch');

async function eroshareAlbum(host) {
    const res = await fetch(`https://web.archive.org/web/20170630040157im_/https://eroshare.com/${host.id}`);

    if (!res.ok) {
        throw new Error(`Unable to recover Eroshare album or item '${host.id}' :(`);
    }

    const html = await res.text();
    const data = JSON.parse(html.match(/var album = .*/)[0].slice(12, -1));
    const extract = config.library.extractSingleAlbumItem && data.items.length === 1;

    return {
        album: extract ? null : {
            id: data.slug,
            title: data.title,
            datetime: new Date(data.created_at),
        },
        items: data.items.map(item => ({
            extracted: extract,
            id: item.slug,
            url: item.type === 'Image' ? item.url_full_protocol : item.url_mp4,
            title: data.title,
            description: item.description,
            type: item.type === 'Image' ? 'image/jpeg' : 'video/mp4',
            datetime: new Date(data.created_at),
            width: data.width,
            height: data.height,
            original: item,
        })),
    };
}

module.exports = eroshareAlbum;