/* eslint-disable @next/next/no-img-element */
"use client";
import React from "react";
import Link from "next/link";
import { Banner } from "../lib/types";

interface BannerPlacementProps {
  banners: Banner[];
  position: "home_middle" | "home_bottom" | "shop_top" | "category_top" | "product_sidebar";
  className?: string;
}

export default function BannerPlacement({
  banners,
  position,
  className = "",
}: BannerPlacementProps) {
  const filteredBanners = (banners || []).filter(
    (b) => b.position === position && b.isActive !== false && b.imageUrl
  );

  if (!filteredBanners || filteredBanners.length === 0) {
    return null;
  }

  // Multi-column layout for home_middle if 2 or more banners exist
  if (position === "home_middle") {
    return (
      <section className={`py-8 max-w-7xl mx-auto px-4 sm:px-6 font-vazir ${className}`}>
        <div
          className={`grid gap-6 ${
            filteredBanners.length > 1 ? "grid-cols-1 md:grid-cols-2" : "grid-cols-1"
          }`}
        >
          {filteredBanners.map((banner) => {
            const cardContent = (
              <div className="group relative rounded-3xl overflow-hidden shadow-lg hover:shadow-2xl transition-all duration-300 border border-medical-gray-100 bg-white">
                <div className="aspect-[16/7] sm:aspect-[16/6] md:aspect-[16/7] overflow-hidden bg-medical-gray-100 relative">
                  <img
                    src={banner.imageUrl}
                    alt={banner.title || "کنینا بنر"}
                    className="w-full h-full object-cover group-hover:scale-105 transition-transform duration-500"
                    loading="lazy"
                  />
                  {(banner.title || banner.subtitle) && (
                    <div className="absolute inset-0 bg-gradient-to-t from-black/80 via-black/30 to-transparent p-6 flex flex-col justify-end text-white text-right">
                      {banner.title && (
                        <h4 className="text-lg sm:text-xl font-black mb-1 leading-tight">
                          {banner.title}
                        </h4>
                      )}
                      {banner.subtitle && (
                        <p className="text-xs sm:text-sm text-medical-gray-200 font-bold opacity-90 line-clamp-2">
                          {banner.subtitle}
                        </p>
                      )}
                    </div>
                  )}
                </div>
              </div>
            );

            if (banner.linkUrl) {
              const isExternal = banner.linkUrl.startsWith("http");
              if (isExternal) {
                return (
                  <a
                    key={banner.id}
                    href={banner.linkUrl}
                    target="_blank"
                    rel="noopener noreferrer"
                    className="block"
                  >
                    {cardContent}
                  </a>
                );
              }
              return (
                <Link key={banner.id} href={banner.linkUrl} className="block">
                  {cardContent}
                </Link>
              );
            }

            return <div key={banner.id}>{cardContent}</div>;
          })}
        </div>
      </section>
    );
  }

  // Wide banner layout for home_bottom and shop_top
  if (position === "home_bottom" || position === "shop_top" || position === "category_top") {
    return (
      <section className={`py-6 max-w-7xl mx-auto px-4 sm:px-6 font-vazir ${className}`}>
        <div className="space-y-6">
          {filteredBanners.map((banner) => {
            const cardContent = (
              <div className="group relative rounded-3xl overflow-hidden shadow-xl hover:shadow-2xl transition-all duration-300 border border-medical-gray-200 bg-white">
                <div className="aspect-[21/6] sm:aspect-[21/5] min-h-[140px] sm:min-h-[180px] overflow-hidden bg-medical-gray-100 relative">
                  <img
                    src={banner.imageUrl}
                    alt={banner.title || "کنینا"}
                    className="w-full h-full object-cover group-hover:scale-103 transition-transform duration-500"
                    loading="lazy"
                  />
                  {(banner.title || banner.subtitle) && (
                    <div className="absolute inset-0 bg-gradient-to-l from-black/80 via-black/40 to-transparent p-6 sm:p-10 flex flex-col justify-center text-white text-right">
                      {banner.title && (
                        <h4 className="text-xl sm:text-3xl font-black mb-2 leading-tight">
                          {banner.title}
                        </h4>
                      )}
                      {banner.subtitle && (
                        <p className="text-xs sm:text-base text-medical-gray-200 font-bold max-w-xl">
                          {banner.subtitle}
                        </p>
                      )}
                    </div>
                  )}
                </div>
              </div>
            );

            if (banner.linkUrl) {
              const isExternal = banner.linkUrl.startsWith("http");
              if (isExternal) {
                return (
                  <a
                    key={banner.id}
                    href={banner.linkUrl}
                    target="_blank"
                    rel="noopener noreferrer"
                    className="block"
                  >
                    {cardContent}
                  </a>
                );
              }
              return (
                <Link key={banner.id} href={banner.linkUrl} className="block">
                  {cardContent}
                </Link>
              );
            }

            return <div key={banner.id}>{cardContent}</div>;
          })}
        </div>
      </section>
    );
  }

  // Sidebar Banner Layout
  return (
    <div className={`space-y-4 font-vazir ${className}`}>
      {filteredBanners.map((banner) => {
        const cardContent = (
          <div className="group relative rounded-2xl overflow-hidden shadow-md hover:shadow-xl transition-all duration-300 border border-medical-gray-200 bg-white">
            <div className="aspect-[4/3] overflow-hidden bg-medical-gray-100 relative">
              <img
                src={banner.imageUrl}
                alt={banner.title || "بنر کنینا"}
                className="w-full h-full object-cover group-hover:scale-105 transition-transform duration-500"
                loading="lazy"
              />
              {banner.title && (
                <div className="absolute inset-0 bg-gradient-to-t from-black/80 to-transparent p-4 flex flex-col justify-end text-white text-right">
                  <span className="text-xs font-black">{banner.title}</span>
                </div>
              )}
            </div>
          </div>
        );

        if (banner.linkUrl) {
          const isExternal = banner.linkUrl.startsWith("http");
          if (isExternal) {
            return (
              <a
                key={banner.id}
                href={banner.linkUrl}
                target="_blank"
                rel="noopener noreferrer"
                className="block"
              >
                {cardContent}
              </a>
            );
          }
          return (
            <Link key={banner.id} href={banner.linkUrl} className="block">
              {cardContent}
            </Link>
          );
        }

        return <div key={banner.id}>{cardContent}</div>;
      })}
    </div>
  );
}