'use strict';

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

async function redditVideo(host, post) {
    const res = await fetch(`${post.permalink}.json`);
    const [{ data }] = await res.json();

    const videoUrl = data.children[0].data.media.reddit_video.fallback_url;
    const audioUrl = `${videoUrl.split('/').slice(0, -1).join('/')}/audio`;

    const audioRes = await fetch(audioUrl, {
        method: 'HEAD',
    });

    const item = {
        album: null,
        items: [{
            id: post.host.id || post.id,
            url: videoUrl,
            title: post.title,
            datetime: post.datetime,
            type: 'video/mp4',
            original: post,
        }],
    };

    if (audioRes.status === 200) {
        item.items[0].mux = [audioUrl];
    }

    return item;
}

module.exports = redditVideo;