const {
    exec
} = require('child_process');

var install = {};





install.init = (cb) => {
    var url = [
        ['ffmpeg', 'https://johnvansickle.com/ffmpeg/builds/ffmpeg-git-64bit-static.tar.xz'],
        ['youtube-dl', 'https://yt-dl.org/downloads/latest/youtube-dl']
    ]
    var download = (i) => {
        install.download(url[i], function(path) {
            switch (i) {
                case 0:
                    shell.
                    break;
                default:

            }


            if (i < url.length - 1) {
                download(i++);
            } else {
                cb();
            }
        })
    };
    download(0)
}
install.download = (url, cb) => {
    var r = request(url);
    var actual = 1;
    var full = 100;
    var perc = 0;
    r.on('data', function(chunk) {
        actual += chunk.length;
        perc = actual / full * 100;
        console.log(perc);
        libs.listen.sender.send('progress', {
            percent: Math.floor(perc)
        });
    });
    r.on('response', function(res) {
        var path = global.dir + '/tmp/' + url.split('/')[url.split('/').length - 1];
        res.pipe(fs.createWriteStream(path));
        full = res.headers['content-length'];
        res.on('end', function() {
            cb(path);
        })
    });
}