import { clsx } from 'clsx';
import { GlowBg } from '@/components/shared/ui/glow-bg';

export interface FaqItem {
  question: string;
  answer: string;
}

/**
 * A component meant to be used in the landing page.
 * It displays a list of frequently asked questions and their answers.
 */
export const LandingFaqSection = ({
  className,
  title,
  titleComponent,
  description,
  descriptionComponent,
  faqItems,
  withBackground = false,
  withBackgroundGlow = false,
  variant = 'primary',
  backgroundGlowVariant = 'primary',
}: {
  className?: string;
  title?: string | React.ReactNode;
  titleComponent?: React.ReactNode;
  description?: string | React.ReactNode;
  descriptionComponent?: React.ReactNode;
  faqItems: FaqItem[];
  withBackground?: boolean;
  withBackgroundGlow?: boolean;
  variant?: 'primary' | 'secondary';
  backgroundGlowVariant?: 'primary' | 'secondary';
}) => {
  return (
    <section
      className={clsx(
        'relative w-full flex flex-col justify-center items-center gap-8 py-12 lg:py-16',
        withBackground && variant === 'primary'
          ? 'bg-primary-100/20 dark:bg-primary-900/10'
          : '',
        withBackground && variant === 'secondary'
          ? 'bg-secondary-100/20 dark:bg-secondary-900/10'
          : '',
        withBackgroundGlow ? 'relative overflow-hidden' : '',
        className,
      )}
    >
      {withBackgroundGlow ? (
        <div className="hidden lg:flex justify-center w-full h-full absolute -bottom-1/2 pointer-events-none">
          <GlowBg
            className={clsx('w-full lg:w-2/3 h-auto z-0')}
            variant={backgroundGlowVariant}
          />
        </div>
      ) : null}

      <div className={clsx(className, 'w-full p-6 max-w-full container-wide')}>
        {title ? (
          <h2 className="text-3xl font-semibold leading-tight max-w-xs sm:max-w-none md:text-4xl lg:text-5xl fancyHeading">
            {title}
          </h2>
        ) : (
          titleComponent
        )}

        {description ? (
          <p className="mt-6 md:text-xl">{description}</p>
        ) : (
          descriptionComponent
        )}

        <ul
          className={clsx(
            'grid md:grid-cols-2 gap-8 md:gap-12 lg:gap-16 mt-12 lg:mt-16 faq',
            className,
          )}
        >
          {faqItems.map((faqItem, index) => (
            <li key={index}>
              <h3>{faqItem.question}</h3>
              <p>{faqItem.answer}</p>
            </li>
          ))}
        </ul>
      </div>
    </section>
  );
};