/** Indicador de pasos sin conocimiento del formulario o de sus datos. */
export function FormProgress({
  step,
  labels,
  label,
  progress,
  completedLabel,
  description,
}: {
  step: number;
  labels: readonly string[];
  label: string;
  progress: string;
  completedLabel: string;
  description: string;
}) {
  return (
    <div className="space-y-5">
      <ol aria-label={label} className="flex gap-3 border-b border-border/60 pb-5">
        {labels.map((title, index) => {
          const current = step === index + 1;
          const completed = step > index + 1;

          return (
            <li
              aria-current={current ? "step" : undefined}
              className="flex min-w-0 flex-1 flex-col items-start gap-2 sm:flex-row sm:items-center sm:gap-3"
              key={title}
            >
              <span
                aria-hidden="true"
                className={`flex size-8 shrink-0 items-center justify-center rounded-full border text-sm font-semibold ${current ? "border-primary bg-primary text-primary-foreground" : completed ? "border-primary/30 bg-primary/10 text-primary" : "border-border bg-muted/50 text-muted-foreground"}`}
              >
                {completed ? "✓" : index + 1}
              </span>
              <span
                className={`text-xs leading-snug sm:text-sm ${current ? "font-semibold text-foreground" : "text-muted-foreground"}`}
              >
                {title}
                {completed && <span className="sr-only">{completedLabel}</span>}
              </span>
            </li>
          );
        })}
      </ol>
      <div className="space-y-2">
        <div className="flex flex-wrap items-baseline justify-between gap-x-4 gap-y-1">
          <h2 className="text-base font-semibold">{labels[step - 1]}</h2>
          <p
            aria-live="polite"
            className="text-xs text-muted-foreground focus-visible:rounded-sm focus-visible:outline-2 focus-visible:outline-ring"
            key={step}
            ref={focusStep}
            role="status"
            tabIndex={-1}
          >
            {progress}
          </p>
        </div>
        <p className="text-sm leading-relaxed text-muted-foreground">{description}</p>
      </div>
    </div>
  );
}

function focusStep(element: HTMLParagraphElement | null) {
  element?.focus();
}