import path from "path";
import { Worker } from 'worker_threads';
import {Logger} from "../logging/logger.js";

function launchWorker({templatePath, avatarURL, username}) {
    return new Promise((resolve, reject) => {
        const workerFile = path.resolve('./wwwroot/core/namecards/nameCardWorker.js');
        const worker = new Worker(workerFile);

        worker.postMessage({templatePath, avatarURL, username});

        worker.on('message', (result) => {
            resolve(result);
            worker.terminate()
                .catch(err => Logger.error("Unable to terminate worker", err.message));
        });

        worker.on('error', (err) => {
            reject(err);
            worker.terminate()
                .catch(err => Logger.error("Unable to terminate worker", err.message));
        });

        worker.on('exit', (code) => {
            if (code !== 0) reject(new Error(`Worker stopped with code ${code}`));
        });
    });
}

export {launchWorker}