import {
  ADMIN_WELCOME_BASE_PATH,
  ADMIN_WELCOME_EVENT_PATH,
  ADMIN_WELCOME_SUMMARY_PATH,
} from '../../constants';

type OnboardingRedirectInput = {
  hasEvents: boolean;
  hasActivePackage: boolean;
  selectedPackageId?: number | null;
  pathname: string;
  isWelcomePath: boolean;
  isBillingPath: boolean;
  isOnboardingDismissed?: boolean;
  isOnboardingCompleted?: boolean;
};

export function resolveOnboardingRedirect({
  hasEvents,
  hasActivePackage,
  selectedPackageId,
  pathname,
  isWelcomePath,
  isBillingPath,
  isOnboardingDismissed,
  isOnboardingCompleted,
}: OnboardingRedirectInput): string | null {
  if (hasEvents) {
    return null;
  }

  if (isOnboardingDismissed || isOnboardingCompleted) {
    return null;
  }

  if (isWelcomePath || isBillingPath) {
    return null;
  }

  const shouldContinueSummary = Boolean(selectedPackageId && selectedPackageId > 0);
  const target = hasActivePackage
    ? ADMIN_WELCOME_EVENT_PATH
    : shouldContinueSummary
      ? ADMIN_WELCOME_SUMMARY_PATH
      : ADMIN_WELCOME_BASE_PATH;

  if (pathname === target) {
    return null;
  }

  return target;
}