ava/commands/play.ts

import { commandModule, CommandType } from '@sern/handler';
import { publish } from '../plugins/publish.js';
import {
	createAudioPlayer,
	createAudioResource,
	joinVoiceChannel,
} from '@discordjs/voice';
import {
	ApplicationCommandOptionType,
	EmbedBuilder,
	GuildMember,
} from 'discord.js';
import got from 'got';
import { radioResolver } from '../util/radioResolver.js';

export default commandModule({
	type: CommandType.Slash,
	plugins: [publish()],
	description: 'Play the radio you want',
	options: [
		{
			name: 'radio',
			description: 'The radio you want to play.',
			type: ApplicationCommandOptionType.String,
			required: true,
			autocomplete: true,
			command: {
				onEvent: [],
				execute: async (ctx) => {
					const focusedValue = ctx.options.getFocused();
					const choices = ['KNGI', 'Gensokyo Radio'];
					const filtered = choices.filter((choice) =>
						choice.startsWith(focusedValue)
					);
					await ctx.respond(
						filtered.map((choice) => ({
							name: choice,
							value: choice,
						}))
					);
				},
			},
		},
	],
	execute: async (ctx, options) => {
		const radioname = options[1].getString('radio', true);
		const fetchUser = (await (
			await ctx.client.guilds.fetch(ctx.guild!.id)
		).members.fetch(ctx.user.id)) as GuildMember;

		if (!fetchUser.voice.channel?.id)
			return await ctx.reply({
				content: 'You are not in a VC!',
				ephemeral: true,
			});
		if (!fetchUser.voice.channel!.joinable)
			return await ctx.reply({
				content: "I can't join that VC!",
				ephemeral: true,
			});

		const embed = new EmbedBuilder()
			.setAuthor({
				name: ctx.user.username,
				iconURL: ctx.user.displayAvatarURL(),
			})
			.setColor('Green')
			.setTitle(
				`Started playing ${radioname} in ${fetchUser.voice.channel?.name}`
			)
			.setDescription(
				`Go ahead and join <#${fetchUser.voice.channelId}> to listen ${radioname}!`
			);
		const embedNotFound = new EmbedBuilder()
			.setAuthor({
				name: ctx.user.username,
				iconURL: ctx.user.displayAvatarURL(),
			})
			.setColor('Red')
			.setTitle(`Radio not found.`)
			.setDescription(
				`Make sure you select the radio from the autocomplete!`
			);
		switch (radioname) {
			case 'KNGI':
				{
					const stream = got.stream(radioResolver(radioname));
					const connection = joinVoiceChannel({
						adapterCreator:
							ctx.interaction.guild!.voiceAdapterCreator,
						guildId: ctx.guild!.id,
						channelId: fetchUser.voice.channelId!,
					});
					const resource = createAudioResource(stream);
					const player = createAudioPlayer();
					connection.subscribe(player);
					player.play(resource);
					await ctx.reply({ embeds: [embed] });
				}
				break;
			case 'Gensokyo Radio':
				{
					const stream = got.stream(radioResolver(radioname));
					const connection = joinVoiceChannel({
						adapterCreator:
							ctx.interaction.guild!.voiceAdapterCreator,
						guildId: ctx.guild!.id,
						channelId: fetchUser.voice.channelId!,
					});
					const resource = createAudioResource(stream);
					const player = createAudioPlayer();
					connection.subscribe(player);
					player.play(resource);
					await ctx.reply({ embeds: [embed] });
				}
				break;
			default:
				{
					await ctx.reply({ embeds: [embedNotFound] });
				}
				break;
		}
	},
});