import { browser } from "$app/environment";

export function initFormTracker() {
  if (!browser) return;

  if (window.__formTrackerInitialized__) {
    return;
  }

  window.__formTrackerInitialized__ = true;

  const handleInteraction = (e: Event) => {
    const target = e.target as HTMLElement;
    if (!['INPUT', 'TEXTAREA', 'SELECT'].includes(target.tagName)) return;

    window.isUserFillingForm = true;

    document.removeEventListener('focus', handleInteraction, { capture: true });
    document.removeEventListener('input', handleInteraction, { capture: true });
  };

  document.addEventListener('focus', handleInteraction, { capture: true });
  document.addEventListener('input', handleInteraction, { capture: true });
}