------- play.js ---------
const ytdl = require('ytdl-core');
const ytSearch = require('yt-search');

module.exports = {
    name: 'play',
    description: 'Joins and plays a video from youtube',
    async execute(message, args) {
        const voiceChannel = message.member.voice.channel;

        if (!voiceChannel) return message.channel.send('You need to be in a voice channel to use this command.');
        const permissions = voiceChannel.permissionsFor(message.client.user);
        if (!permissions.has('CONNECT')) return message.channel.send('You do not have permission to use this command.');
        if (!permissions.has('SPEAK')) return message.channel.send('You do not have permission to use this command.');
        if (!args.length) return message.channel.send('You need to send another argument.');

        const validURL = (str) =>{
            var regex = /(http|https):\/\/(\w+:{0,1}\w*)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%!\-\/]))?/;
            if(!regex.test(str)){
                return false;
            } else {
                return true;
            }
        }

        if(validURL(args[0])){

            const  connection = await voiceChannel.join();
            const stream  = ytdl(args[0], {filter: 'audioonly'});

            connection.play(stream, {seek: 0, volume: 1})
            .on('finish', () =>{
                voiceChannel.leave();
                message.channel.send('leaving channel');
            });

            await message.reply(`Now Playing ***Your Link!***`)

            return
        }


        const  connection = await voiceChannel.join();

        const videoFinder = async (query) => {
            const videoResult = await ytSearch(query);

            return (videoResult.videos.length > 1) ? videoResult.videos[0] : null;

        }

        const video = await videoFinder(args.join(' '));

        if(video){
            const stream  = ytdl(video.url, {filter: 'audioonly'});
            connection.play(stream, {seek: 0, volume: 1})
            .on('finish', () =>{
                voiceChannel.leave();
            });

            await message.reply(`Now Playing ***${video.title}***`)
        } else {
            message.channel.send('No video results found');
        }
    }
}

------ leave.js --------
module.exports = {
    name: 'leave',
    description: 'stop the bot and leave the channel',
    async execute(message, args) {
        const voiceChannel = message.member.voice.channel;

        if(!voiceChannel) return message.channel.send("Music needs to be playing in a voice channel to use this command.");
        await voiceChannel.leave();
        await message.channel.send('Leaving channel')

    }
}