import { useState } from "react";
import { motion, AnimatePresence } from "motion/react";
import { Plus } from "lucide-react";
import ScrollReveal from "@/components/ui/ScrollReveal";
import Button from "@/components/ui/Button";
import TextAnimation from "@/components/ui/TextAnimation";
import ImageOrVideo from "@/components/ui/ImageOrVideo";
import { cls } from "@/lib/utils";

type FaqItem = {
  question: string;
  answer: string;
};

type FaqSplitMediaProps = {
  tag: string;
  title: string;
  description: string;
  primaryButton?: { text: string; href: string };
  secondaryButton?: { text: string; href: string };
  items: FaqItem[];
} & ({ imageSrc: string; videoSrc?: never } | { videoSrc: string; imageSrc?: never });

const FaqSplitMedia = ({
  tag,
  title,
  description,
  primaryButton,
  secondaryButton,
  items,
  imageSrc,
  videoSrc,
}: FaqSplitMediaProps) => {
  const [activeIndex, setActiveIndex] = useState<number | null>(null);

  const handleToggle = (index: number) => {
    setActiveIndex(activeIndex === index ? null : index);
  };

  return (
    <section aria-label="FAQ section" className="py-20">
      <div className="w-content-width mx-auto flex flex-col gap-8 md:gap-10">
        <div className="flex flex-col items-center gap-2">
          <div className="px-3 py-1 mb-1 text-sm card rounded w-fit">
            <p>{tag}</p>
          </div>

          <TextAnimation
            text={title}
            variant="slide-up"
            gradientText={true}
            tag="h2"
            className="md:max-w-8/10 text-6xl 2xl:text-7xl leading-[1.15] font-semibold text-center text-balance"
          />

          <TextAnimation
            text={description}
            variant="slide-up"
            gradientText={false}
            tag="p"
            className="md:max-w-7/10 text-lg md:text-xl leading-snug text-center text-balance"
          />

          {(primaryButton || secondaryButton) && (
            <div className="flex flex-wrap justify-center gap-3 mt-2 md:mt-3">
              {primaryButton && <Button text={primaryButton.text} href={primaryButton.href} variant="primary"/>}
              {secondaryButton && <Button text={secondaryButton.text} href={secondaryButton.href} variant="secondary"animationDelay={0.1} />}
            </div>
          )}
        </div>

        <div className="grid grid-cols-1 md:grid-cols-5 gap-5">
          <ScrollReveal variant="slide-up" className="card relative md:col-span-2 h-80 md:h-auto rounded overflow-hidden">
            <ImageOrVideo
              imageSrc={imageSrc}
              videoSrc={videoSrc}
              className="absolute inset-0 size-full object-cover"
            />
          </ScrollReveal>

          <ScrollReveal variant="slide-up" delay={0.1} className="md:col-span-3 flex flex-col gap-3 xl:gap-3.5 2xl:gap-4">
            {items.map((item, index) => (
              <div
                key={index}
                onClick={() => handleToggle(index)}
                className="p-3 xl:p-3.5 2xl:p-4 rounded card cursor-pointer select-none"
              >
                <div className="flex items-center justify-between gap-3 xl:gap-3.5 2xl:gap-4">
                  <h3 className="text-lg md:text-xl font-medium leading-snug">{item.question}</h3>
                  <div className="flex shrink-0 items-center justify-center size-8 md:size-9 rounded primary-button">
                    <Plus
                      className={cls(
                        "size-3.5 md:size-4 text-primary-cta-text transition-transform duration-300",
                        activeIndex === index && "rotate-45"
                      )}
                      strokeWidth={2}
                    />
                  </div>
                </div>
                <AnimatePresence initial={false}>
                  {activeIndex === index && (
                    <motion.div
                      initial={{ height: 0, opacity: 0 }}
                      animate={{ height: "auto", opacity: 1 }}
                      exit={{ height: 0, opacity: 0 }}
                      transition={{ duration: 0.3, ease: "easeOut" }}
                      className="overflow-hidden"
                    >
                      <p className="pt-1 text-base leading-snug">{item.answer}</p>
                    </motion.div>
                  )}
                </AnimatePresence>
              </div>
            ))}
          </ScrollReveal>
        </div>
      </div>
    </section>
  );
};

export default FaqSplitMedia;
