'use strict';

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

async function imgurImage(post) {
    const res = await fetch(`https://imgur.com/${post.host.id}`);
    const html = await res.text();

    if (res.status !== 200) {
        throw new Error(`Could not fetch info for imgur image '${post.host.id}': '${res.statusText}'`);
    }

    const dataString = html.replace(/\s+/g, ' ').match(/}}, item:(.*)}; var PREBID_TIMEOUT/)[1];
    const data = JSON.parse(dataString);

    return {
        album: null,
        items: [{
            id: data.hash,
            url: data.animated ? `https://i.imgur.com/${post.host.id}.mp4` : `https://i.imgur.com/${post.host.id}${data.ext}`,
            title: data.title,
            description: data.description,
            type: data.animated ? 'video/mp4' : data.mimetype,
            datetime: new Date(data.timestamp || data.datetime),
        }],
    };
}

module.exports = imgurImage;