index.js

const { Client, Intents } = require('discord.js');

const { prefix, token } = require('./config.json');

const ytdl = require('ytdl-core');

const client = new Client({ intents: [Intents.FLAGS.GUILDS] });

const queue = new Map();


client.once('ready', () => {
    console.log('Ready');
});
client.once('reconnecting', () => {
    console.log('Reconnecting');
});
client.once('disconnect', () => {
    console.log('disconnect');
});

client.on('message', async message => {
    if (message.author.bot) return;

    if (!message.content.startsWith(prefix)) return;

    const serverQueue = queue.get(message.guild.id);

    if (message.content.startsWith('${prefix}play')) {
        execute(message, serverQueue);
        return;
    } else if (message.content.startsWith('${prefix}skip')) {
        skip(message, serverQueue);
        return;
    } else if (message.content.startsWith('${prefix}stop')) {
        stop(message, serverQueue);
        return;
    } else {
        message.channel.send("Please Enter a Valid Command !!!");
    }
});




async function execute(message, serverQueue) {

    const args = message.content.split(" ");
    const voicechannel = message.member.voice.channel;

    if (!voicechannel)
        return message.channel.send("You need to be in a voice channel to play music!");

    const permissions = voicechannel.permissionsFor(message.client.user);

    if (!permissions.has("CONNECT") || !permissions.has("SPEAK")) {
        return message.channel.send(
            "I need the permissions to join and speak in your voice channel!"
        );
    }


    const songInfo = await ytdl.getInfo(args[1]);
    const song = {
        title: songInfo.videoDetails.title,
        url: songInfo.videoDetails.video_url,
    };

    if (!serverQueue) {
        const queueContruct = {
            textChannel: message.channel,
            voiceChannel: voiceChannel,
            connection: null,
            songs: [],
            volume: 5,
            playing: true
        };

        queue.set(message.guild.id, queueContruct);

        queueContruct.songs.push(song);

        try {
            var connection = await voiceChannel.join();
            queueContruct.connection = connection;
            play(message.guild, queueContruct.songs[0]);
        } catch (err) {
            console.log(err);
            queue.delete(message.guild.id);
            return message.channel.send(err);
        }
    } else {
        serverQueue.songs.push(song);
        return message.channel.send(`${song.title} has been added to the queue!`);
    }
}

function skip(message, serverQueue) {
    if (!message.member.voice.channel)
        return message.channel.send(
            "You have to be in a voice channel to stop the music!"
        );
    if (!serverQueue)
        return message.channel.send("There is no song that I could skip!");
    serverQueue.connection.dispatcher.end();
}

function stop(message, serverQueue) {
    if (!message.member.voice.channel)
        return message.channel.send(
            "You have to be in a voice channel to stop the music!"
        );

    if (!serverQueue)
        return message.channel.send("There is no song that I could stop!");

    serverQueue.songs = [];
    serverQueue.connection.dispatcher.end();
}

function play(guild, song) {
    const serverQueue = queue.get(guild.id);
    if (!song) {
        serverQueue.voiceChannel.leave();
        queue.delete(guild.id);
        return;
    }

    const dispatcher = serverQueue.connection
        .play(ytdl(song.url))
        .on("finish", () => {
            serverQueue.songs.shift();
            play(guild, serverQueue.songs[0]);
        })
        .on("error", error => console.error(error));
    dispatcher.setVolumeLogarithmic(serverQueue.volume / 5);
    serverQueue.textChannel.send(`Start playing: **${song.title}**`);
}


client.login(token);