"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';

function ProductCard({ product, onClick }: { product: Product; key?: string | number; onClick: (p: Product) => void }) {
  const { getActivePet } = usePetStore();
  const activePet = getActivePet();

  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 }}
      onClick={() => onClick(product)}
      className="group bg-white rounded-3xl border border-medical-gray-200 overflow-hidden hover:shadow-2xl hover:shadow-canino-blue/10 transition-all duration-500 flex flex-col h-full cursor-pointer relative"
    >
      {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-10 flex items-center justify-center overflow-hidden">
        <SafeImage 
          src={product.image} 
          alt={product.name}
          className="w-full h-full object-contain group-hover:scale-105 transition-transform duration-500 drop-shadow-2xl"
        />
        <div className="absolute top-4 right-4 px-3 py-1 bg-white/80 backdrop-blur-md rounded-full border border-medical-gray-200 text-[10px] font-bold text-medical-gray-500 uppercase tracking-widest">
          {product.category}
        </div>
        
        {/* Hover Actions */}
        <Link href={`/shop/${product.slug || product.id}`} className="absolute inset-0 z-10" />
        <div className="absolute inset-0 bg-canino-blue/60 opacity-0 group-hover:opacity-100 backdrop-blur-sm transition-all duration-300 flex items-center justify-center gap-4">
          <div className="w-12 h-12 rounded-full bg-white text-canino-blue flex items-center justify-center hover:scale-110 transition-transform shadow-lg">
            <Eye className="w-5 h-5" />
          </div>
          <div className="w-12 h-12 rounded-full bg-canino-blue text-white flex items-center justify-center hover:scale-110 transition-transform shadow-lg border border-white/20">
            <ShoppingCart className="w-5 h-5" />
          </div>
        </div>
      </div>

      {/* Content Area */}
      <div className="p-8 flex flex-col flex-1">
        <div className="flex items-start justify-between mb-4 gap-2">
          <h3 className="text-xl font-black text-medical-gray-900 group-hover:text-canino-blue transition-colors leading-tight">
            {product.name}
          </h3>
          <ShieldCheck className="w-6 h-6 text-canino-blue flex-shrink-0" />
        </div>
        
        <p className="text-sm text-medical-gray-500 leading-relaxed mb-6 flex-1">
          {product.description}
        </p>

        <div className="space-y-4 pt-4 border-t border-medical-gray-100">
          <div className="flex items-center gap-3">
            <div className="w-1 h-1 rounded-full bg-canino-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-xl font-black text-medical-gray-900 font-vazir">{product.price}</div>
            <button className="text-xs font-black text-canino-blue uppercase tracking-widest border-b-2 border-canino-blue pb-1 hover:text-medical-gray-900 hover:border-medical-gray-900 transition-all">
              مشاهده جزییات
            </button>
          </div>
        </div>
      </div>
    </motion.div>
  );
}

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

export default function FeaturedProducts() {
  const router = useRouter();
  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-24 bg-medical-gray-50">
      <div className="max-w-7xl mx-auto px-4">
        <div className="flex flex-col lg:flex-row items-end justify-between mb-16 gap-6">
          <div className="lg:w-2/3">
            <div className="text-canino-blue text-xs font-bold uppercase tracking-[0.2em] mb-4 font-vazir">بیشترین انتخاب توسط دامپزشکان</div>
            <h2 className="text-3xl lg:text-5xl font-black text-medical-gray-900 leading-[1.2]">
              محصولات برگزیده و راهکارهای <br />
              <span className="italic text-canino-blue">درمان تخصصی</span>
            </h2>
          </div>
          <div className="lg:w-1/3 text-left lg:text-right">
            <p className="text-medical-gray-500 text-sm leading-relaxed mb-4">
              محصولات دارویی کانینو با استفاده از دانش پیشرفته بیوتکنولوژی و مواد اولیه ارگانیک نایاب فرآوری شده‌اند.
            </p>
            <button 
              onClick={() => router.push('/shop')}
              className="inline-flex items-center gap-2 text-canino-blue font-bold text-sm hover:translate-x-1 transition-transform rtl:hover:-translate-x-1"
            >
              مشاهده تمامی محصولات
              <span className="text-lg">←</span>
            </button>
          </div>
        </div>

        <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-10">
          {isLoading ? (
             Array.from({ length: 3 }).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-canino-teal mb-4" />
              <h3 className="text-xl font-black text-medical-gray-900 mb-2 font-vazir">هیچ محصولی یافت نشد</h3>
              <p className="text-sm text-medical-gray-500 font-medium font-vazir leading-relaxed">
                در حال حاضر هیچ محصول برجسته‌ای برای نمایش وجود ندارد. لطفاً در پنل ادمین محصولات برگزیده را تنظیم کنید.
              </p>
            </div>
          )}
        </div>
      </div>
    </section>
  );
}