export const IMAGES = {
  moshell: 'ghcr.io/moshell-lang/moshell:master',
};

/**
 * Prepares a buffer to be sent to the runner.
 *
 * @param jobId The job unique identifier.
 * @param code The code to be executed.
 * @param image The image to be used.
 */
export function allocateBuffer(jobId: string, code: string, image: string): Buffer {
  let cur = 0;
  const buffer = Buffer.allocUnsafe(jobId.length + image.length + code.length + 9);
  cur = buffer.writeUInt8(0, cur);
  cur += buffer.write(jobId, cur);
  cur = buffer.writeUInt32BE(image.length, cur);
  cur = buffer.writeUInt32BE(code.length, cur);
  cur += buffer.write(image, cur);
  buffer.write(code, cur);
  return buffer;
}