// eslint-disable-next-line @typescript-eslint/no-var-requires
const portAudio = require('naudiodon');
// eslint-disable-next-line @typescript-eslint/no-var-requires

let audio: string;
let audioInput: string[] = [];

export function initRecorder() {

    let ia = new portAudio.AudioIO({
      inOptions: {
        channelCount: 1,
        sampleFormat: 16,
        sampleRate: 16000,
        deviceId: -1,
        closeOnError: false,
      }
    });

    ia.setEncoding('base64');
    ia.start();
    ia.pause();
    ia.on('error', (e: Error) => {
        console.log('error recording audio', + e);
    });
    ia.on('data', (chunk: string) => {
      audioInput.push(chunk);
      console.log('Got %d characters of string data:', chunk.length);
    });
}

async function processData(chunks: string[]): Buffer | Error {
    audio = '';
    chunks.forEach(s => {
        audio += s;
    })
    const buffer = Buffer.from(audio, "base64");
    audioInput = [];
    return buffer;
}