var router = require("express").Router();
const fs = require('fs');
const ytdl = require('ytdl-core');
const YouTube = require("youtube-sr").default;
const {exec}= require('child_process');

let vid=0;
let aud=0;

//ここまで変数の定義とか

router.get("/", (req, res) => {
    res.status(500).send("");
});

router.get("/:videoId", async (req, res) => {
    const  info = await YouTube.getVideo(`https://youtube.com/watch?v=${req.params.videoId}`);
    const  videoid = req.params.videoId;

    video_title=info.title;
    video_views=info.views;
    video_uploadat=info.uploadedAt;
    video_description=info.description;

    channel_id=info.channel.id;
    channel_icon=info.channel.icon.url;
    channel_name=info.channel.name;
    channel_verified=info.channel.verified;
    channel_subscribers=info.channel.subscribers;

    console.log(__dirname +"/../")
    //---------------------------------------------------------------
    if( fs.existsSync(`videos/${req.params.videoId}.mp4`) ){
        res.render('watch/index.ejs',{video_id: videoid, video_title: video_title, video_views: video_views, video_uploadat: video_uploadat, channel_id: channel_id, channel_icon: channel_icon, channel_name: channel_name, channel_verified: channel_verified, channel_subscribers: channel_subscribers}); //ファイルが存在していたらなにもせずにレスポンスを返す
    }else{

        const url = `https://www.youtube.com/watch?v=${videoid}`;
        const video = ytdl(url, { filter: 'videoonly', quality: 'highestvideo' });
        const audio = ytdl(url, { filter: 'audioonly', quality: 'highestaudio' });
        //音声のダウンロード
        video.pipe(fs.createWriteStream(`videos/${videoid}_noaudio.mp4`));
        //動画のダウンロード
        audio.pipe(fs.createWriteStream(`videos/${videoid}.mp3`));


        video.on('end', () => {

            vid=1;
            if (vid==1 && aud==1){
                convert(videoid);
                res.render('watch/index.ejs',{video_id: videoid, video_title: video_title, video_views: video_views, video_uploadat: video_uploadat, channel_id: channel_id, channel_icon: channel_icon, channel_name: channel_name, channel_verified: channel_verified, channel_subscribers: channel_subscribers},{async: true});
            }
        });

        audio.on('end', () => {
            aud=1;
            if (vid==1 && aud==1){
                convert(videoid);
                res.render('watch/index.ejs',{video_id: videoid, video_title: video_title, video_views: video_views, video_uploadat: video_uploadat, channel_id: channel_id, channel_icon: channel_icon, channel_name: channel_name, channel_verified: channel_verified, channel_subscribers: channel_subscribers},{async: true});
            }
        });


    
    }


});

//--------音声と動画の結合作業----------
function convert(videoid){
    console.log(videoid);
        exec(`ffmpeg -i videos/${videoid}_noaudio.mp4 -i videos/${videoid}.mp3 -c copy videos/${videoid}.mp4`);
    }

module.exports = router;

抜いてる時に心拍数が高すぎます！って言われてもそりゃそうやろとしかならんよね

恋人のこと殺して自分も死にたいって思っちゃうのって愛が重いの？？？