"use client";

import { useEffect, useState } from "react";
import { ChevronLeft, ChevronRight } from "lucide-react";
import { Container } from "@/components/Container";
import { SlotMedia } from "@/components/SlotMedia";
import { parseAspectRatio } from "@/lib/static-images";
import type { SlotMediaItem } from "@/lib/static-images";

type HeroProps = {
  slides: SlotMediaItem[];
  banners: SlotMediaItem[];
  sliderAspectRatio?: string;
  bannerAspectRatio?: string;
};

export function Hero({ slides = [], banners = [], sliderAspectRatio, bannerAspectRatio }: HeroProps) {
  const [index, setIndex] = useState(0);
  const sliderRatio = parseAspectRatio(sliderAspectRatio);

  useEffect(() => {
    if (slides.length <= 1) return;
    const timer = setInterval(() => {
      setIndex((current) => (current + 1) % slides.length);
    }, 5000);
    return () => clearInterval(timer);
  }, [slides.length]);

  const go = (direction: number) => {
    if (slides.length <= 1) return;
    setIndex((current) => (current + direction + slides.length) % slides.length);
  };

  return (
    <section className="pt-5">
      <Container>
        <div
          className={`relative overflow-hidden rounded-2xl bg-sky ${sliderRatio ? "" : "aspect-[16/6] sm:aspect-[16/5.2]"}`}
          style={sliderRatio ? { aspectRatio: sliderRatio } : undefined}
        >
          {slides.map((slide, i) => (
            <SlotMedia
              key={slide.id}
              fill
              src={slide.image}
              href={slide.href}
              fallbackSrc={slide.fallbackSrc}
              className={`transition-opacity duration-500 ${i === index ? "opacity-100" : "pointer-events-none opacity-0"}`}
            />
          ))}
          {slides.length > 1 ? (
            <>
              <button
                type="button"
                onClick={() => go(-1)}
                className="absolute top-1/2 right-3 z-10 grid size-9 -translate-y-1/2 place-items-center rounded-full bg-white/90 text-navy"
                aria-label="اسلاید قبلی"
              >
                <ChevronRight className="size-5" />
              </button>
              <button
                type="button"
                onClick={() => go(1)}
                className="absolute top-1/2 left-3 z-10 grid size-9 -translate-y-1/2 place-items-center rounded-full bg-white/90 text-navy"
                aria-label="اسلاید بعدی"
              >
                <ChevronLeft className="size-5" />
              </button>
              <div className="absolute bottom-3 left-1/2 z-10 flex -translate-x-1/2 gap-1.5">
                {slides.map((slide, i) => (
                  <button
                    key={slide.id}
                    type="button"
                    onClick={() => setIndex(i)}
                    className={`h-1.5 rounded-full transition-all ${i === index ? "w-6 bg-primary" : "w-2 bg-white/80"}`}
                    aria-label={`اسلاید ${i + 1}`}
                  />
                ))}
              </div>
            </>
          ) : null}
        </div>

        <div className="mt-3 grid grid-cols-1 gap-3 sm:grid-cols-2">
          {banners.map((banner) => (
            <SlotMedia
              key={banner.id}
              src={banner.image}
              href={banner.href}
              fallbackSrc={banner.fallbackSrc}
              aspectRatio={bannerAspectRatio}
              className={`overflow-hidden rounded-xl bg-sky ${!bannerAspectRatio ? "h-[92px] sm:h-[110px]" : ""}`}
            />
          ))}
        </div>
      </Container>
    </section>
  );
}