'use strict';
const VoiceBroadcast = require('./VoiceBroadcast');
const VoiceConnection = require('./VoiceConnection');
const { Error } = require('../../errors');
const Collection = require('../../util/Collection');
/**
* Manages voice connections for the client
*/
class ClientVoiceManager {
constructor(client) {
/**
* The client that instantiated this voice manager
* @type {Client}
* @readonly
* @name ClientVoiceManager#client
*/
Object.defineProperty(this, 'client', { value: client });
/**
* A collection mapping connection IDs to the Connection objects
* @type {Collection<Snowflake, VoiceConnection>}
*/
this.connections = new Collection();
/**
* Active voice broadcasts that have been created
* @type {VoiceBroadcast[]}
*/
this.broadcasts = [];
}
/**
* Creates a voice broadcast.
* @returns {VoiceBroadcast}
*/
createBroadcast() {
const broadcast = new VoiceBroadcast(this.client);
this.broadcasts.push(broadcast);
return broadcast;
}
onVoiceServer({ guild_id, token, endpoint }) {
this.client.emit('debug', `[VOICE] voiceServer guild: ${guild_id} token: ${token} endpoint: ${endpoint}`);
const connection = this.connections.get(guild_id);
if (connection) connection.setTokenAndEndpoint(token, endpoint);
}
onVoiceStateUpdate({ guild_id, session_id, channel_id }) {
const connection = this.connections.get(guild_id);
this.client.emit('debug', `[VOICE] connection? ${!!connection}, ${guild_id} ${session_id} ${channel_id}`);
if (!connection) return;
if (!channel_id) {
connection._disconnect();
this.connections.delete(guild_id);
return;
}
connection.channel = this.client.channels.cache.get(channel_id);
connection.setSessionID(session_id);
}
/**
* Sets up a request to join a voice channel.
* @param {VoiceChannel} channel The voice channel to join
* @returns {Promise<VoiceConnection>}
* @private
*/
joinChannel(channel) {
return new Promise((resolve, reject) => {
if (!channel.joinable) {
throw new Error('VOICE_JOIN_CHANNEL', channel.full);
}
let connection = this.connections.get(channel.guild.id);
if (connection) {
if (connection.channel.id !== channel.id) {
this.connections.get(channel.guild.id).updateChannel(channel);
}
resolve(connection);
return;
} else {
connection = new VoiceConnection(this, channel);
connection.on('debug', msg =>
this.client.emit('debug', `[VOICE (${channel.guild.id}:${connection.status})]: ${msg}`),
);
connection.authenticate();
this.connections.set(channel.guild.id, connection);
}
connection.once('failed', reason => {
this.connections.delete(channel.guild.id);
reject(reason);
});
connection.on('error', reject);
connection.once('authenticated', () => {
connection.once('ready', () => {
resolve(connection);
connection.removeListener('error', reject);
});
connection.once('disconnect', () => this.connections.delete(channel.guild.id));
});
});
}
}
module.exports = ClientVoiceManager;