"use client";

import Link from "next/link";
import { useEffect, useState } from "react";
import type { Product } from "@/lib/catalog";
import { slotImages, type StaticImageSlot } from "@/lib/static-images";
import { Carousel } from "./Carousel";
import { ProductCard } from "./ProductCard";
import { SectionHeading } from "./SectionHeading";
import { SlotImage } from "./SlotImage";

type Props = {
  id?: string;
  english: string;
  title: string;
  products: Product[];
  countdown?: boolean;
  leadBanner?: boolean;
  bannerSlot?: StaticImageSlot;
  href?: string;
};

export function ProductCarousel({
  id,
  english,
  title,
  products,
  countdown,
  leadBanner,
  bannerSlot,
  href,
}: Props) {
  const saleBanner = slotImages(bannerSlot)[0];
  if (!products.length && !leadBanner) return null;

  return (
    <section id={id} className="container-nn py-8">
      <SectionHeading english={english} title={title}>
        {countdown ? <SaleTimer /> : null}
        {href ? (
          <Link href={href} className="text-sm font-bold text-purple-700 hover:text-purple-800">
            مشاهده همه
          </Link>
        ) : null}
      </SectionHeading>
      <Carousel>
        {leadBanner ? (
          <div
            data-card
            className="flex w-[280px] min-h-[320px] shrink-0 snap-start self-stretch overflow-hidden rounded-3xl sm:w-[300px]"
            aria-label="بنر فروش ویژه"
          >
            <SlotImage
              image={saleBanner}
              fallbackSrc="/images/sale-banner.png"
              fallbackAlt="فروش ویژه"
              aspectRatio={bannerSlot?.aspectRatio}
              width={240}
              height={400}
              rounded="rounded-3xl"
              fill
              className="h-full w-full"
              fallbackHref="/special-sale"
            />
          </div>
        ) : null}
        {products.map((product) => (
          <ProductCard key={product.id} product={product} />
        ))}
      </Carousel>
    </section>
  );
}

function SaleTimer() {
  const [left, setLeft] = useState({ h: 11, m: 42, s: 18 });

  useEffect(() => {
    const timer = window.setInterval(() => {
      setLeft((current) => {
        let { h, m, s } = current;
        if (s > 0) s -= 1;
        else if (m > 0) {
          s = 59;
          m -= 1;
        } else if (h > 0) {
          s = 59;
          m = 59;
          h -= 1;
        } else {
          h = 11;
          m = 59;
          s = 59;
        }
        return { h, m, s };
      });
    }, 1000);
    return () => window.clearInterval(timer);
  }, []);

  const cells = [
    { label: "ساعت", value: left.h },
    { label: "دقیقه", value: left.m },
    { label: "ثانیه", value: left.s },
  ];

  return (
    <div className="flex items-end gap-1.5">
      {cells.map((cell, index) => (
        <div key={cell.label} className="flex items-end gap-1.5">
          {index > 0 ? (
            <span className="font-display mb-5 text-xl leading-none text-rose-400">:</span>
          ) : null}
          <div className="min-w-[3.25rem] rounded-2xl bg-linear-to-b from-rose-100 to-rose-50 px-2.5 py-2 text-center shadow-[inset_0_1px_0_rgb(255_255_255_/_0.8)]">
            <p
              dir="ltr"
              lang="en"
              className="font-display text-[1.65rem] font-semibold leading-none tracking-tight text-rose-600"
            >
              {String(cell.value).padStart(2, "0")}
            </p>
            <p className="mt-1 text-[10px] font-medium text-rose-400">{cell.label}</p>
          </div>
        </div>
      ))}
    </div>
  );
}