"use client";
import { useState, useEffect, useMemo } from "react";
import { Product } from "../lib/data/products";
import { usePetStore } from "../lib/store/usePetStore";
import { productService } from "../lib/services/productService";
import { motion, AnimatePresence } from "motion/react";
import { Eye, ShoppingCart, ShieldCheck, Heart, AlertCircle, Sparkles } from "lucide-react";
import SafeImage from "./SafeImage";
import { ProductCardSkeleton } from "./Skeleton";
import Link from 'next/link';
import { useSettingsStore } from "../lib/store/settingsStore";

import { useCartStore } from "../lib/store/cartStore";

function ProductCard({ product, onClick }: { product: Product; key?: string | number; onClick: (p: Product) => void }) {
  const router = useRouter();
  const getText = useSettingsStore(state => state.getText);
  const { getActivePet } = usePetStore();
  const activePet = getActivePet();
  const { addItem } = useCartStore();

  const compatibility = useMemo(() => {
    if (!activePet) return null;
    const sameSpecies = product.suitableFor === activePet.type || product.suitableFor === "هر دو";
    const helpsSymptom = (activePet.medicalConditions || []).some(s => product.symptoms.includes(s));
    if (!sameSpecies) return { type: 'alert', text: `مخصوص ${product.suitableFor}` };
    if (helpsSymptom) return { type: 'success', text: `توصیه شده برای ${activePet.name}` };
    return { type: 'neutral', text: `مناسب برای ${activePet.name}` };
  }, [product, activePet]);

  return (
    <motion.div
      initial={{ opacity: 0, y: 30 }}
      whileInView={{ opacity: 1, y: 0 }}
      viewport={{ once: true }}
      transition={{ duration: 0.5 }}
      className="group bg-white rounded-3xl border border-medical-gray-200 overflow-hidden hover:shadow-2xl hover:shadow-canina-blue/10 transition-all duration-500 flex flex-col h-full cursor-pointer relative"
    >
      {/* Independent Category Tag at the absolute top-right of the card */}
      <div className="absolute top-4 right-4 z-30 px-3 py-1 bg-white/95 backdrop-blur-md rounded-full border border-medical-gray-200 text-[10px] font-bold text-medical-gray-600 uppercase tracking-widest shadow-sm">
        {product.category}
      </div>

      {compatibility && (
        <div className={`absolute top-16 right-4 z-10 text-[8px] font-black uppercase tracking-widest px-3 py-1 rounded-full shadow-md flex items-center gap-1 ${
          compatibility.type === 'alert' ? 'bg-amber-100 text-amber-700' : 
          compatibility.type === 'success' ? 'bg-green-100 text-green-700' : 'bg-medical-gray-100 text-medical-gray-600'
        }`}>
          {compatibility.type === 'alert' ? <AlertCircle className="w-2.5 h-2.5" /> : compatibility.type === 'success' ? <Heart className="w-2.5 h-2.5" /> : <Sparkles className="w-2.5 h-2.5" />}
          {compatibility.text}
        </div>
      )}
      {/* Product Image Area */}
      <div className="relative aspect-square bg-medical-gray-50 p-4 flex items-center justify-center overflow-hidden">
        <SafeImage 
          src={product.image} 
          alt={product.name}
          className="w-full h-full group-hover:scale-105 transition-transform duration-500"
          imgClassName="object-contain"
        />
        
        {/* Main PDP Link */}
        <Link href={`/shop/${product.slug || product.id}`} className="absolute inset-0 z-10" />

        {/* Hover Actions (z-20 to be clickable over the main PDP link) */}
        <div className="absolute inset-0 bg-canina-blue/60 opacity-0 group-hover:opacity-100 backdrop-blur-sm transition-all duration-300 flex items-center justify-center gap-4 z-20">
          <div 
            onClick={(e) => {
              e.stopPropagation();
              router.push(`/shop/${product.slug || product.id}`);
            }}
            className="w-12 h-12 rounded-full bg-white text-canina-blue flex items-center justify-center hover:scale-110 transition-transform shadow-lg cursor-pointer"
          >
            <Eye className="w-5 h-5" />
          </div>
          <div 
            onClick={(e) => {
              e.stopPropagation();
              addItem(product, 1);
              toast.success(`${product.name} به سبد خرید شما اضافه شد.`);
            }}
            className="w-12 h-12 rounded-full bg-canina-blue text-white flex items-center justify-center hover:scale-110 transition-transform shadow-lg border border-white/20 cursor-pointer"
          >
            <ShoppingCart className="w-5 h-5" />
          </div>
        </div>
      </div>

      {/* Content Area */}
      <Link href={`/shop/${product.slug || product.id}`} className="p-8 flex flex-col flex-1 block text-right">
        <div className="mb-3">
          <h3 dir="ltr" className="text-base md:text-lg font-black text-medical-gray-900 group-hover:text-canina-blue transition-colors leading-normal text-left line-clamp-2 min-h-[3.5rem] w-full">
            {product.name}
          </h3>
        </div>
        
        <p className="text-sm text-medical-gray-500 leading-relaxed mb-6 line-clamp-3 min-h-[4.5rem]">
          {product.shortDescription || product.description}
        </p>
 
        <div className="space-y-4 pt-4 border-t border-medical-gray-100 mt-auto">
          {product.benefits && (
            <div className="flex items-center gap-3">
              <div className="w-1.5 h-1.5 rounded-full bg-canina-blue" />
              <span className="text-xs font-semibold text-medical-gray-700 italic">{product.benefits}</span>
            </div>
          )}
          
          <div className="flex items-center justify-between">
            <div className="text-lg font-black text-medical-gray-900 font-vazir whitespace-nowrap">{product.price}</div>
            <span className="text-xs font-black text-canina-blue uppercase tracking-widest border-b-2 border-canina-blue pb-1 hover:text-medical-gray-900 hover:border-medical-gray-900 transition-all whitespace-nowrap">
              {getText('product_view_details', "مشاهده جزئیات")}
            </span>
          </div>
        </div>
      </Link>
    </motion.div>
  );
}

import { useRouter } from 'next/navigation';
import { toast } from 'sonner';

export default function FeaturedProducts() {
  const router = useRouter();
  const getText = useSettingsStore(state => state.getText);
  const [products, setProducts] = useState<Product[]>([]);
  const [isLoading, setIsLoading] = useState(true);

  useEffect(() => {
    const fetchFeatured = async () => {
      try {
        const data = await productService.getFeaturedProducts();
        setProducts(data);
      } catch (error) {
        console.error("Failed to fetch featured products:", error);
        toast.error("خطا در دریافت لیست محصولات از سرور. لطفاً صفحه را رفرش کنید.");
      } finally {
        setIsLoading(false);
      }
    };
    fetchFeatured();
  }, []);

  return (
    <section className="py-16 bg-medical-gray-50">
      <div className="max-w-7xl mx-auto px-4">
        {/* Header - Correct RTL alignment with primary and secondary elements */}
        <div className="flex items-center justify-between w-full mb-12 pb-6 border-b border-medical-gray-200">
          <div>
            <div className="text-canina-blue text-xs font-bold uppercase tracking-[0.2em] mb-2 font-vazir">{getText('featured_badge', "بیشترین انتخاب توسط دامپزشکان")}</div>
            <h2 className="text-2xl md:text-3xl lg:text-4xl font-black text-medical-gray-900 font-lalezar tracking-wide">
              {getText('featured_title_line1', "محصولات برگزیده و راهکارهای")} <span className="text-canina-blue">{getText('featured_title_line2', "درمان تخصصی")}</span>
            </h2>
          </div>
          <button 
            onClick={() => router.push('/shop')}
            className="inline-flex items-center gap-2 text-canina-blue font-black text-sm hover:translate-x-1 transition-all group font-vazir"
          >
            {getText('featured_view_all', "مشاهده تمامی محصولات")}
            <span className="text-lg group-hover:-translate-x-1 transition-transform">←</span>
          </button>
        </div>

        <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-10">
          {isLoading ? (
             Array.from({ length: 4 }).map((_, i) => <ProductCardSkeleton key={i} />)
          ) : products.length > 0 ? (
            products.map((p) => (
              <ProductCard key={p.id} onClick={(p) => router.push(`/shop/${p.slug || p.id}`)} product={p} />
            ))
          ) : (
            <div className="col-span-full py-16 px-8 flex flex-col items-center justify-center text-center bg-white rounded-[2.5rem] border border-medical-gray-200 shadow-xl max-w-lg mx-auto">
              <AlertCircle className="w-12 h-12 text-canina-teal mb-4" />
              <h3 className="text-xl font-black text-medical-gray-900 mb-2 font-vazir">{getText('featured_no_products_title', "هیچ محصولی یافت نشد")}</h3>
              <p className="text-sm text-medical-gray-500 font-medium font-vazir leading-relaxed">
                {getText('featured_no_products_desc', "در حال حاضر هیچ محصول برجسته‌ای برای نمایش وجود ندارد. لطفاً در پنل ادمین محصولات برگزیده را تنظیم کنید.")}
              </p>
            </div>
          )}
        </div>
      </div>
    </section>
  );
}