import {joinVoiceChannel} from "@discordjs/voice";
import {replyToInteraction} from "../utilities/messageHandler.js";
import {createAudioInstance} from "../controllers/audioController.js";
import OpusEncoderPkg from "@discordjs/opus";

// Declare the encoder (module is incompatible modern import method)
const { OpusEncoder } = OpusEncoderPkg;
const encoder = new OpusEncoder(48000, 2);

/**
 * Join the specified voice channel
 *
 * @param interaction Message interaction from discord
 */
export default async function join(interaction){
    const voiceChannel = interaction.options.getChannel('voicechannel');
    const voiceConnection = joinVoiceChannel({
        channelId: voiceChannel.id,
        guildId: interaction.guildId,
        adapterCreator: interaction.guild.voiceAdapterCreator,
        selfMute: false,
        selfDeaf: false,
    });
    replyToInteraction(interaction, `Ok, Joining ${voiceChannel.name}`);

    const audioInstance = createAudioInstance();

    audioInstance.on('data', buffer => {
        buffer = Buffer.from(buffer);
        const encoded = encoder.encode(buffer);
        // TODO Add a function here to check the volume of either buffer and only play audio to discord when there is audio to be played
        voiceConnection.playOpusPacket(encoded);
    })

    audioInstance.start();
}