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/* eslint-disable complexity */
import {ChatInputCommandInteraction, GuildMember} from 'discord.js';
import {inject, injectable} from 'inversify';
import shuffle from 'array-shuffle';
import {TYPES} from '../types.js';
import GetSongs from '../services/get-songs.js';
import {MediaSource, SongMetadata, STATUS} from './player.js';
import PlayerManager from '../managers/player.js';
import {buildPlayingMessageEmbed} from '../utils/build-embed.js';
import {getMemberVoiceChannel, getMostPopularVoiceChannel} from '../utils/channels.js';
import {getGuildSettings} from '../utils/get-guild-settings.js';
import {SponsorBlock} from 'sponsorblock-api';
import Config from './config.js';
import KeyValueCacheProvider from './key-value-cache.js';
import {ONE_HOUR_IN_SECONDS} from '../utils/constants.js';
@injectable()
export default class AddQueryToQueue {
private readonly sponsorBlock?: SponsorBlock;
private sponsorBlockDisabledUntil?: Date;
private readonly sponsorBlockTimeoutDelay;
private readonly cache: KeyValueCacheProvider;
constructor(@inject(TYPES.Services.GetSongs) private readonly getSongs: GetSongs,
@inject(TYPES.Managers.Player) private readonly playerManager: PlayerManager,
@inject(TYPES.Config) private readonly config: Config,
@inject(TYPES.KeyValueCache) cache: KeyValueCacheProvider) {
this.sponsorBlockTimeoutDelay = config.SPONSORBLOCK_TIMEOUT;
this.sponsorBlock = config.ENABLE_SPONSORBLOCK
? new SponsorBlock('muse-sb-integration') // UserID matters only for submissions
: undefined;
this.cache = cache;
}
public async addToQueue({
query,
addToFrontOfQueue,
shuffleAdditions,
shouldSplitChapters,
skipCurrentTrack,
interaction,
}: {
query: string;
addToFrontOfQueue: boolean;
shuffleAdditions: boolean;
shouldSplitChapters: boolean;
skipCurrentTrack: boolean;
interaction: ChatInputCommandInteraction;
}): Promise<void> {
const guildId = interaction.guild!.id;
const player = this.playerManager.get(guildId);
const wasPlayingSong = player.getCurrent() !== null;
const [targetVoiceChannel] = getMemberVoiceChannel(interaction.member as GuildMember) ?? getMostPopularVoiceChannel(interaction.guild!);
const settings = await getGuildSettings(guildId);
const {playlistLimit, queueAddResponseEphemeral} = settings;
await interaction.deferReply({ephemeral: queueAddResponseEphemeral});
let [newSongs, extraMsg] = await this.getSongs.getSongs(query, playlistLimit, shouldSplitChapters);
if (newSongs.length === 0) {
throw new Error('no songs found');
}
if (shuffleAdditions) {
newSongs = shuffle(newSongs);
}
if (this.config.ENABLE_SPONSORBLOCK) {
newSongs = await Promise.all(newSongs.map(this.skipNonMusicSegments.bind(this)));
}
newSongs.forEach(song => {
player.add({
...song,
addedInChannelId: interaction.channel!.id,
requestedBy: interaction.member!.user.id,
}, {immediate: addToFrontOfQueue ?? false});
});
const firstSong = newSongs[0];
let statusMsg = '';
if (player.voiceConnection === null) {
await player.connect(targetVoiceChannel);
// Resume / start playback
await player.play();
if (wasPlayingSong) {
statusMsg = 'resuming playback';
}
await interaction.editReply({
embeds: [buildPlayingMessageEmbed(player)],
});
} else if (player.status === STATUS.IDLE) {
// Player is idle, start playback instead
await player.play();
}
if (skipCurrentTrack) {
try {
await player.forward(1);
} catch (_: unknown) {
throw new Error('no song to skip to');
}
}
// Build response message
if (statusMsg !== '') {
if (extraMsg === '') {
extraMsg = statusMsg;
} else {
extraMsg = `${statusMsg}, ${extraMsg}`;
}
}
if (extraMsg !== '') {
extraMsg = ` (${extraMsg})`;
}
if (newSongs.length === 1) {
await interaction.editReply(`u betcha, **${firstSong.title}** added to the${addToFrontOfQueue ? ' front of the' : ''} queue${skipCurrentTrack ? 'and current track skipped' : ''}${extraMsg}`);
} else {
await interaction.editReply(`u betcha, **${firstSong.title}** and ${newSongs.length - 1} other songs were added to the queue${skipCurrentTrack ? 'and current track skipped' : ''}${extraMsg}`);
}
}
private async skipNonMusicSegments(song: SongMetadata) {
if (!this.sponsorBlock
|| (this.sponsorBlockDisabledUntil && new Date() < this.sponsorBlockDisabledUntil)
|| song.source !== MediaSource.Youtube
|| !song.url) {
return song;
}
try {
const segments = await this.cache.wrap(
async () => this.sponsorBlock?.getSegments(song.url, ['music_offtopic']),
{
key: song.url, // Value is too short for hashing
expiresIn: ONE_HOUR_IN_SECONDS,
},
) ?? [];
const skipSegments = segments
.sort((a, b) => a.startTime - b.startTime)
.reduce((acc: Array<{startTime: number; endTime: number}>, {startTime, endTime}) => {
const previousSegment = acc[acc.length - 1];
// If segments overlap merge
if (previousSegment && previousSegment.endTime > startTime) {
acc[acc.length - 1].endTime = endTime;
} else {
acc.push({startTime, endTime});
}
return acc;
}, []);
const intro = skipSegments[0];
const outro = skipSegments.at(-1);
if (outro && outro?.endTime >= song.length - 2) {
song.length -= outro.endTime - outro.startTime;
}
if (intro?.startTime <= 2) {
song.offset = Math.floor(intro.endTime);
song.length -= song.offset;
}
return song;
} catch (e) {
if (!(e instanceof Error)) {
console.error('Unexpected event occurred while fetching skip segments : ', e);
return song;
}
if (!e.message.includes('404')) {
// Don't log 404 response, it just means that there are no segments for given video
console.warn(`Could not fetch skip segments for "${song.url}" :`, e);
}
if (e.message.includes('504')) {
// Stop fetching SponsorBlock data when servers are down
this.sponsorBlockDisabledUntil = new Date(new Date().getTime() + (this.sponsorBlockTimeoutDelay * 60_000));
}
return song;
}
}
}
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