const progressDefaultColor = typeof chalk !== 'undefined' ? chalk.magenta : (x) => x;
const progressErrorColor = typeof chalk !== 'undefined' ? chalk.red : (x) => x;
function formatProgress(startTime, queuedCount, finishedCount, errorsCount) {
  const progressPercent = (100 * finishedCount) / queuedCount;
  const errorsPercent = (100 * errorsCount) / queuedCount;
  const elapsedTimeSeconds = (Date.now() - startTime) / 1000;
  const estimatedTimeSeconds = progressPercent > 0 ? 100 * (elapsedTimeSeconds / progressPercent) : 0;
  const itemsPerSecond = finishedCount / elapsedTimeSeconds;
  return (
    progressDefaultColor(
      `${finishedCount} of ${queuedCount} (${progressPercent.toFixed(2)}%, ${itemsPerSecond.toFixed(2)}/sec) `,
    ) +
    (errorsCount > 0 ? progressErrorColor(`${errorsCount} with errors (${errorsPercent.toFixed(2)}%) `) : '') +
    progressDefaultColor(`${elapsedTimeSeconds.toFixed(0)}sec elapsed, ${estimatedTimeSeconds.toFixed(0)}sec estimated`)
  );
}