import Image from "next/image";
import Link from "next/link";

type PromoVariant = "sale" | "discount" | "autumn";

export type PromoSlotOverride = {
  image?: string;
  nameFa?: string;
  nameEn?: string;
  subtext?: string;
  link?: string;
};

type PromoCardProps = {
  variant: PromoVariant;
  href?: string;
  className?: string;
  slot?: PromoSlotOverride | null;
};

const META: Record<
  PromoVariant,
  { href: string; labelFa: string }
> = {
  sale: { href: "/products?sale=1", labelFa: "" },
  discount: { href: "/products?sale=1", labelFa: "بهترین مانتوهای ما" },
  autumn: {
    href: "/products?collection=autumn",
    labelFa: "کالکشن پاییزه",
  },
};

const CARD_SHELL =
  "relative flex h-[491px] w-full flex-col overflow-hidden rounded-[19px] border border-[#8e8e8e]/30";

/** Full-bleed creative when Website Images provides a slot image. */
function FullImagePromo({
  href,
  image,
  alt,
  className,
}: {
  href: string;
  image: string;
  alt: string;
  className: string;
}) {
  return (
    <Link href={href} className={`${CARD_SHELL} bg-white ${className}`}>
      <Image
        src={image}
        alt={alt}
        fill
        sizes="(max-width: 768px) 50vw, 324px"
        className="object-cover object-center"
      />
    </Link>
  );
}

export default function PromoCard({
  variant,
  href,
  className = "",
  slot,
}: PromoCardProps) {
  const meta = META[variant];
  const to = slot?.link || href || meta.href;

  if (slot?.image) {
    return (
      <FullImagePromo
        href={to}
        image={slot.image}
        alt={slot.nameFa || slot.nameEn || slot.subtext || "promo"}
        className={className}
      />
    );
  }

  if (variant === "sale") {
    return (
      <Link href={to} dir="ltr" className={`${CARD_SHELL} bg-ink text-white ${className}`}>
        <div className="relative flex flex-1 items-center justify-center px-6 pt-10">
          <div className="relative h-[200px] w-[140px]">
            <Image
              src="/images/home/banners/sale-script.png"
              alt=""
              fill
              className="object-contain opacity-45"
              sizes="140px"
            />
            <div className="absolute inset-0 flex items-center justify-center">
              <Image
                src="/images/home/icons/sale-wordmark.svg"
                alt="Sale"
                width={200}
                height={100}
                unoptimized
                className="h-auto w-[170px] max-w-none"
              />
            </div>
          </div>
        </div>
        <div className="px-6 pb-8 text-center">
          <p className="whitespace-nowrap font-montserrat text-[15px] font-normal tracking-[0.2em] uppercase sm:text-lg">
            Our Season Finale
          </p>
          <p className="mt-1 whitespace-nowrap font-montserrat text-xl font-semibold tracking-[0.18em] uppercase sm:text-2xl">
            Up to 70% OFF
          </p>
        </div>
      </Link>
    );
  }

  if (variant === "discount") {
    return (
      <Link
        href={to}
        dir="ltr"
        className={`${CARD_SHELL} bg-white px-6 py-8 text-ink sm:px-8 sm:py-10 ${className}`}
      >
        <div className="flex flex-1 flex-col items-center justify-center text-center uppercase">
          <p className="whitespace-nowrap text-[24px] font-light tracking-[0.7em] sm:text-[30px] sm:tracking-[0.84em]">
            Up TO
          </p>
          <p className="-mt-1 font-montserrat text-[64px] font-medium leading-none tracking-[0.12em] sm:text-[80px] sm:tracking-[0.19em]">
            70%
          </p>
          <p className="-mt-1 whitespace-nowrap font-montserrat text-[24px] font-light tracking-[0.1em] sm:text-[30px] sm:tracking-[0.13em]">
            Discount
          </p>
        </div>
        <p className="text-center text-[18px] font-light sm:text-[23px]">
          {slot?.nameFa || meta.labelFa}
        </p>
      </Link>
    );
  }

  return (
    <Link
      href={to}
      dir="ltr"
      className={`${CARD_SHELL} bg-white px-6 py-8 sm:px-8 sm:py-10 ${className}`}
    >
      <div className="flex flex-1 items-center justify-center">
        <div className="relative size-[140px] sm:size-[160px]">
          <Image
            src="/images/home/banners/autumn-leaf.png"
            alt=""
            fill
            className="object-contain mix-blend-darken"
            sizes="160px"
          />
        </div>
      </div>
      <div className="flex flex-col items-center text-center uppercase">
        <p className="whitespace-nowrap font-montserrat text-[18px] font-light tracking-[0.04em]">
          i wanted it for
        </p>
        <p className="font-montserrat text-[32px] font-medium tracking-[0.2em]">
          Autumn
        </p>
        <p className="mt-3 text-[18px] font-light normal-case sm:text-[20px]">
          {slot?.nameFa || meta.labelFa}
        </p>
      </div>
    </Link>
  );
}