"use client";

import { ArrowLeft, ArrowRight } from "lucide-react";
import { startTransition, useEffect, useState } from "react";

import { Button } from "@/components/ui/button";
import {
  Carousel,
  CarouselContent,
  CarouselItem,
  type CarouselApi,
} from "@/components/ui/carousel";
import { cn } from "@/lib/utils";

const IMAGES = [
  {
    src: "/block-media/shadcnblocks/block/placeholder-dark-1.svg",
    alt: "تصویر گالری ۱",
  },
  {
    src: "/block-media/shadcnblocks/block/placeholder-dark-2.svg",
    alt: "تصویر گالری ۲",
  },
  {
    src: "/block-media/shadcnblocks/block/placeholder-dark-3.svg",
    alt: "تصویر گالری ۳",
  },
  {
    src: "/block-media/shadcnblocks/block/placeholder-dark-4.svg",
    alt: "تصویر گالری ۴",
  },
  {
    src: "/block-media/shadcnblocks/block/placeholder-dark-5.svg",
    alt: "تصویر گالری ۵",
  },
  {
    src: "/block-media/shadcnblocks/block/placeholder-dark-1.svg",
    alt: "تصویر گالری ۶",
  },
  {
    src: "/block-media/shadcnblocks/block/placeholder-dark-2.svg",
    alt: "تصویر گالری ۷",
  },
  {
    src: "/block-media/shadcnblocks/block/placeholder-dark-3.svg",
    alt: "تصویر گالری ۸",
  },
  {
    src: "/block-media/shadcnblocks/block/placeholder-dark-4.svg",
    alt: "تصویر گالری ۹",
  },
  {
    src: "/block-media/shadcnblocks/block/placeholder-dark-5.svg",
    alt: "تصویر گالری ۱۰",
  },
];

interface Gallery17Props {
  className?: string;
}

const Gallery17 = ({ className }: Gallery17Props) => {
  const [api, setApi] = useState<CarouselApi>();
  const [current, setCurrent] = useState(0);
  const [count, setCount] = useState(0);
  const [canScrollPrev, setCanScrollPrev] = useState(false);
  const [canScrollNext, setCanScrollNext] = useState(false);

  useEffect(() => {
    if (!api) {
      return;
    }

    const updateSelection = () => {
      startTransition(() => {
        setCount(api.scrollSnapList().length);
        setCurrent(api.selectedScrollSnap() + 1);
        setCanScrollPrev(api.canScrollPrev());
        setCanScrollNext(api.canScrollNext());
      });
    };

    updateSelection();
    api.on("select", updateSelection);

    return () => {
      api.off("select", updateSelection);
    };
  }, [api]);

  useEffect(() => {
    if (!api) {
      return;
    }
    api.reInit();
  }, [api]);

  return (
    <section
      dir="rtl"
      lang="fa"
      className={cn("overflow-hidden py-32", className)}
    >
      <div className="container md:px-45">
        <Carousel
          dir="rtl"
          className="mx-auto w-full max-w-[50rem] [&>div:nth-child(1)]:md:overflow-visible"
          setApi={setApi}
          opts={{
            startIndex: 1,
            direction: "rtl",
          }}
        >
          <CarouselContent className="-ms-4 me-0">
            {IMAGES.map((img, index) => (
              <CarouselItem
                key={`carousel-img-${index}`}
                className="basis-full ps-4 pe-0"
              >
                <div
                  className={cn(
                    "aspect-[1.333333333] max-w-[50rem] overflow-hidden rounded-[0.75rem] transition-all duration-300",
                    current === index + 1
                      ? "scale-100 opacity-100"
                      : "scale-70 opacity-40",
                  )}
                >
                  <img
                    className="block size-full object-cover object-center"
                    src={img.src}
                    alt={img.alt}
                  />
                </div>
              </CarouselItem>
            ))}
          </CarouselContent>
          <div className="mt-4 hidden md:block">
            <Button
              type="button"
              size="icon"
              variant="default"
              className="absolute top-1/2 size-10 -translate-y-1/2 max-[767px]:static max-[767px]:translate-y-0 md:end-[-6.25rem] md:size-14 lg:end-[-9.9375rem] lg:size-14 [&>svg]:size-6!"
              disabled={!canScrollPrev}
              onClick={() => api?.scrollPrev()}
            >
              <ArrowRight className="size-6" />
              <span className="sr-only">اسلاید قبلی</span>
            </Button>
            <Button
              type="button"
              size="icon"
              variant="default"
              className="absolute top-1/2 size-10 -translate-y-1/2 max-[767px]:static max-[767px]:translate-y-0 md:start-[-6.25rem] md:size-14 lg:start-[-9.9375rem] lg:size-14 [&>svg]:size-6!"
              disabled={!canScrollNext}
              onClick={() => api?.scrollNext()}
            >
              <ArrowLeft className="size-6" />
              <span className="sr-only">اسلاید بعدی</span>
            </Button>
          </div>
        </Carousel>
        <div className="mx-auto mt-10 flex w-full max-w-[33.9375rem] items-center justify-center">
          {Array.from({ length: count }).map((_, index) => (
            <button
              type="button"
              aria-label={`رفتن به اسلاید ${(index + 1).toLocaleString("fa-IR")}`}
              key={`carousel-dot-btn-${index}`}
              className="p-2"
              onClick={() => {
                api?.scrollTo(index);
              }}
            >
              <div
                className={cn(
                  "size-3 rounded-full",
                  current === index + 1 ? "bg-black" : "bg-black/10",
                )}
              />
            </button>
          ))}
        </div>
      </div>
    </section>
  );
};

export { Gallery17 };