// example manager-options#nodes
nodes: [
    {
        identifier: "NODE", host: "localhost", port: 2333, password: "youshallnotpass",
        version: "v2", useVersionPath: false // IMPORTANT OPTIONS FOR YOUR LAVALINK V2 TO WORK
    } // V2 Lavalink Node
]

client.musicManager = new Manager(ManagerOptions)

client.musicManager = new Manager({
    ...ManagerOptions,
    nodes: [ { identifier: "MyNode1", host: "localhost", port: 2333, password: "youshallnotpass", version: "v3", useVersionPath: true, secure: false, } ]
})

client.musicManager.createNode({ identifier: "MyNode3", host: "localhost", port: 2333, password: "youshallnotpass", version: "v3", useVersionPath: true, secure: false });

{
    identifier: "default",
    host: "localhost",
    port: 2333,
    password: "youshallnotpass",
    secure: false,
    retryAmount: 5,
    retryDelay: 30e3,
    requestTimeout: 10e3,
    version: "v3",
    useVersionPath: true, // should be set on true, to use the latest rest api correctly!
}

const player = client.musicManager.create({
    guild: voiceChannel.guild.id,
    voiceChannel: voiceChannel.id,
    textChannel: message.channel.id,
    selfMute: false,
    selfDeafen: true,
    region: voiceChannel?.rtcRegion || undefined, // region
    instaUpdateFiltersFix: true, // to disable it (and save resources) set it to false
})

const nodes = [
  {
    identifier: "USA_NODE", host, password, port, version: "v3", useVersionPath: true,
    regions: ["us-east", "us-central", "us-south", "us-west", "brazil"],
  },
  {
    identifier: "GERMANY_NODE", host, password, port, version: "v3", useVersionPath: true,
    regions: ["rotterdam", "russia"],
  },
]

const { channel } = message.member.voice;
const player = client.musicManager.create({
  region: channel?.rtcRegion || undefined, // region
  guild: channel.guild.id,
  voiceChannel: channel.id,
  textChannel: message.channel.id,
  selfDeafen: true,
});

// searching tracks requires you to pass the node now!
client.musicManager.search(query, requester, player.node);


// or search via player, so you don't need to pass the node:
player.search(query, requester);

const source = "yt"; // "yt" / "ap" / "sp" / "sc" / "ytm" / "..."
// request possibility
client.musicManager.search({query, source}, requester, player.node);
// e.g. search on spotify
client.musicManager.search({
   query: "Adele - Hello",
   source: "spotify", // "sp"/ "spsearch" / "sprec" / etc. check out: SearchPlatforms on what you can all use!
   // or for deezer: source: "dz" / "deezer"
}, interaction.user, player.node);

const player = client.musicManager.create({
    ...PlayerOptions,
    instaUpdateFiltersFix: true, // to disable it (and save resources) set it to false
})

new Manager({
    ...ManagerOptions,
    position_update_interval: 150
})

player.filters.nightcore // READONLY - {Boolean|String} if it's enabled or not
player.filters.rotating // READONLY - {Boolean} if it's enabled or not
player.filters.tremolo // READONLY - {Boolean} if it's enabled or not
player.filters.vibrato // READONLY - {Boolean} if it's enabled or not
player.filters.lowPass // READONLY - {Boolean} if it's enabled or not
player.filters.karaoke // READONLY - {Boolean} if it's enabled or not
player.filters.audioOutput // READONLY - {"stereo"|"mono"|"right"|"left"} how the audio is getting outputted

// only available with lavalink-filter-plugin
player.filters.echo // READONLY - {Boolean} if it's enabled or not

player.toggleRotating(rotationHz = 0.2);
player.toggleVibrato(frequency = 2, depth = 0.5);
player.toggleTremolo(frequency = 2, depth = 0.5);
player.toggleLowPass(smoothing = 20);
player.toggleNightcore(speed = 1.2999999523162842, pitch = 1.2999999523162842, rate=1);
player.toggleKaraoke(level = 1, monoLevel = 1, filterBand = 220, filterWidth = 100);
// default: stereo, rightChannel is right 100% and left 0%, and leftChannel is invert of rightChannel
player.setAudioOutput("stereo"|"mono"|"right"|"left");

// reset all filters to default
player.resetFilters();

// only available with lavalink-filter-plugin
player.toggleEcho(delay = 1, decay = 0.5);

const Manager = new Manager({
    ...,
    validUnresolvedUris: ["spotify.com"]
})

const Manager = new Manager({
    ...,
    forceLoadPlugin: true,
})

new Manager({

  allowedLinksRegexes: [

    Manager.regex.YoutubeRegex,

    Manager.regex.YoutubeMusicRegex,

    Manager.regex.SoundCloudRegex,

    Manager.regex.SoundCloudMobileRegex,

    // Manager.regex.AllDeezerRegex,

    // Manager.regex.AllSpotifyRegex,

    Manager.regex.mp3Url,

    Manager.regex.m3uUrl,

    Manager.regex.m3u8Url,

    Manager.regex.mp4Url,

    Manager.regex.m4aUrl,

    Manager.regex.wavUrl,

  

    //Manager.regex.vimeo,

    //Manager.regex.TwitchTv,

    //Manager.regex.appleMusic,

    //Manager.regex.bandcamp,

    //Manager.regex.radiohost,

    //Manager.regex.yandexmusic,

  ] // these are the default Values with comments, are all available, you can add your custom regexes if you want like this: /regex/ or new RegExp("regex", "flags");

})

// or: accept all the provided regexes:

new Manager({

  ...,

  allowedLinksRegexes: Object.values(Manager.regex),

})

bot.musicManager = new Manager({
    volumeDecrementer: 0.75,
    position_update_interval: 100,
    nodes: [
        {
            identifier: `Node_1`,
            host: "localhost",
            port: 2333,
            password: "youshallnotpass"
        }
    ],

    // A send method to send data to the Discord WebSocket using your library.
    // Getting the shard for the guild and sending the data to the WebSocket.
    send(id, payload) {
        const shardId = bot.utils.calculateShardId(bot.gateway, BigInt(id));
        // somehow get the shard
        const shard = bot.gateway.shards.get(shardId);
        shard.send(payload);
        // if your rest is hosted seperately then just do your typical shard request(s)

    },

});


// in raw event
import { VoiceState, VoicePacket, VoiceServer } from "erela.js";
// code...
switch (data.t) {
  case "VOICE_SERVER_UPDATE":
  case "VOICE_STATE_UPDATE":
    bot.musicManager.updateVoiceState(data.d as VoiceState | VoiceServer | VoicePacket)
  break;
}
// code ...

const { Manager } = require("erela.js"); // npm i binary-blazer/erela.js
const Deezer = require("better-erela.js-deezer"); // npm i Tomato6966/better-erela.js-deezer
const BandCampSearch = require("erela.js-bandcamp-search"); // npm i Tomato6966/erela.js-bandcamp-search"
  

// creation

client.musicManager = new Manager({
    defaultSearchPlatform: "ytsearch", // "ytmsearch" / "ytsearch" / "deezer" / "scsearch" // etc. etc. deezer only valid if you have MY better-erela.js-deezer plugin installed!
    handleError: false, // if true, you have to handle what happens when an Error happens, if false it auto skips!
    handleStuck: false, // if true, you have to handle what happens when an track gets stucked happens, if false it auto skips!
    volumeDecrementer: 0.75, // instead of sending 100% it sends 75%
    position_update_interval: 100, // update the player.position every 100ms
    nodes: [
        {
            identifier: `Use_Node_1`,
            port: 2333,  host: "localhost", // ip.address. e.g. 127.0.0.1
            regions: ["us-east", "us-central", "us-south", "us-west", "brazil"], // example regions
            password: "youshallnotpass",
            retryAmount: 10,
            retryDelay: 7500,
            version: "v3",
            useVersionPath: true,
        },
        {
            identifier: `GERMANY_Node_1`,
            port: 2333, host: "localhost", // ip.address. e.g. 127.0.0.1
            regions: ["rotterdam", "russia"],
            password: "milrato_pass_3569",
            retryAmount: 10, retryDelay: 7500,
            version: "v2",
            useVersionPath: false,
        }
    ],
    // every base-url provided in here, will be resolved once the track is beeing tryed to play, aka fetched by lavalink.
    validUnresolvedUris: [
        "spotify.com",  // only if your lavalink has spotify plugin
        "twitch.com",
        "twitch.tv",
        "vimeo.com",
        "bandcamp.com",
        "music.apple.com", // only if your lavalink has apple music plugin
    ],
    plugins: [
        new Deezer(), // not needed if your lavalink has the deezer plugin
        new BandCampSearch({
            querySource: ["bandcamp", "bc"],
        }),
    ],
    shards: client.ws.totalShards || 1,
    clientName: client.user?.username,
    clientId: client.user?.id || client.id,
    send(id, payload) {
        const guild = client.guilds.cache.get(id);
        if(!guild) return;
        guild.shard.send(payload);
    },
});

// listen to the manager events:
client.musicManager
    .on("nodeCreate", (node) => {
        console.log(`Created the Node: ${node.options.identifier} on host: ${node.options.host}`);
    })
    .on("nodeConnect", (node) => {
        console.log(`Connection to the Node: ${node.options.identifier} on host: ${node.options.host} was successful`);
    })
    .on("nodeReconnect", (node) => {
        console.log(`The Node: ${node.options.identifier} on host: ${node.options.host} is now attempting a reconnect`);
    })
    .on("nodeDisconnect", (node) => {
        console.error(`Connection of the Node: ${node.options.identifier} on host: ${node.options.host}, disconnected`);
    })
    .on("nodeError", (node, error) => {
        console.error(`Node: ${node.options.identifier} on host: ${node.options.host} errored:`, error);
    })
    .on("nodeRaw", (payload) => {
        // don't do much with it, the lib handles it
    })
    .on("playerCreate", (player) => {
        const textChannel = client.channels.cache.get(player.textChannel);
        console.log(`Player got Created in: ${player.guild}`);
        if(textChannel) textChannel.send({ content: `Player Created!` });
    })
    .on("playerDestroy", (player) => {
        const textChannel = client.channels.cache.get(player.textChannel);
        console.log(`Player got Destroyed in: ${player.guild}`);
        if(textChannel) textChannel.send({ content: `Player Destroyed!` });
    })
    .on("queueEnd", (player, track, payload) => {
        const textChannel = client.channels.cache.get(player.textChannel);
        console.log(`Queue Ended in: ${player.guild}`);
        if(textChannel) textChannel.send({ content: `Queue Ended` });
    })
    .on("playerMove", (player, initChannel, newChannel) => {
        if(player.voiceChannel === newChannel) return;
        // all of the code should not be necessary, but sometimes it fixes a bug
        player.voiceChannel = newChannel; // overwride the voiceChannel with the newChannel
        if (player.paused) return; // if it's paused keep it 
        setTimeout(() => {
            player.pause(true); // else pause and unpause to continue playing
            setTimeout(() => player.pause(false), 150);
        }, 150);
    })
    .on("playerDisconnect", (player, channel) => {
        console.log("The player disconnected");
        player.destroy();
    })
    .on("trackStart", (player, track, payload) => {
        const textChannel = client.channels.cache.get(player.textChannel);
        console.log(`Track Started: ${player.guild}`);
        if(textChannel) textChannel.send({ content: `Now Playing **${track.title}**: ${track.uri}` });
    })
    .on("trackEnd", (player, track, payload) => {
        console.log(`Track Ended: ${player.guild}`);
    })
    .on("trackStuck", (player, track, payload) => {
        const textChannel = client.channels.cache.get(player.textChannel);
        console.log(`Track Stucked: ${player.guild}`);
        if(textChannel) textChannel.send({ content: `Track Stucked **${track.title}**: ${track.uri}` });
    })
    .on("trackError", (player, track, payload) => {
        const textChannel = client.channels.cache.get(player.textChannel);
        console.log(`Track Errored: ${player.guild}`);
        if(textChannel) textChannel.send({ content: `Track Errored **${track.title}**: ${track.uri}` });
        player.stop();
    })

// init the manager
client.on("ready", () => {
  client.musicManager.init(client.user.id, {
    shards: client.ws.totalShards,
    clientName: client.user.username,
    clientId: client.user.id,
  });
})

// send voicestate updates
client.on("raw", (data) => {
    switch(data.t) {
        case "VOICE_SERVER_UPDATE":
        case "VOICE_STATE_UPDATE":
            client.musicManager.updateVoiceState(data.d)
        break;
    }
});


client.on("interactionCreate", await (interaction) => {
    if(!interaction.isCommand() && interaction.commandName !== "play") return; // if it's a wrong command
    
    const query = interaction.getString("query"); // `eminem without me`
    if(!interaction.member.voice.channel) return interaction.reply({ content: "Please join a VC" });
    // example how to search with rtcRegion
    const player = client.musicManager.create({
      region: interaction.member.voice.channel?.rtcRegion || undefined,
      guild: interaction.guildId,
      voiceChannel: interaction.member.voice.channel.id, // message.member.voice.channel.id,
      textChannel: interaction.channel.id,
      selfDeafen: true,
    });

    // join vc
    if(!player.connected) {
        await player.connect();
        await player.stop();
    }
    // don't provide a source --> it searches on defaultSearchPlatform
    // the source you provide will be used as a search platform!
    const result = await player.search({ query, source: "soundcloud" }, interaction.user);
    // wanna search via manager?       const result = await client.musicManager.search({ query, source: "soundcloud" }, interaction.user, player.node); // PROVIDE THE PLAYERNODE

    if(!result.tracks[0]) return interaction.reply({ content: "Nothing found" });
    
    // play track or add song to queue
    if(!player?.queue?.totalSize || (!player.paused && !player.playing)) { 
        // add multiple tracks: player.queue.add([...result.tracks]);
        player.queue.add(result.tracks[0]); // add track
        player.play({
            pause: false,
            volume: 100,
            startTime: 0,
        }); 
        if (!player.paused && !player.playing) player.pause(false);
        interaction.reply({ content: `Now playing: **${player.queue.current.title}**: ${player.queue.current.uri}` });
    } else {
        player.queue.add(result.tracks[0]); // add track
        interaction.reply({ content: `Added the song the queue: **${result.tracks[0].title}**: ${result.tracks[0].uri}` });
    }
});
// recommended events to listen:
client.on("channelDelete", channel => {
    const player = client.musicManager.players.get(channel.guild.id);
    if(!player) return;
    if(channel.id === player.voiceChannel) player.destroy();
    if(channel.id === player.textChannel) player.textChannel = null;
});
// recommended events to listen:
client.on("guildRemove", guild => {
    const player = client.musicManager.players.get(guild.id);
    if(!player) return; 
    player.destroy();
});