"use client";

import React from "react";
import DOMPurify from "dompurify";
import SafeImage from "../SafeImage";
import { Product } from "../../lib/data/products";
import { X, ShieldCheck, CheckCircle2, Award, Stethoscope, Sparkles, Layers, Info } from "lucide-react";

interface ProductDetailModalProps {
  product: Product | null;
  categoryColor?: string;
  onClose: () => void;
}

export default function ProductDetailModal({ product, categoryColor = "#0284C7", onClose }: ProductDetailModalProps) {
  if (!product) return null;

  return (
    <div className="fixed inset-0 z-50 flex items-center justify-center p-4 bg-slate-900/70 backdrop-blur-md animate-fadeIn" dir="rtl">
      <div 
        className="bg-white w-full max-w-3xl max-h-[90vh] rounded-3xl shadow-2xl overflow-hidden flex flex-col border border-slate-200 relative animate-scaleUp"
        onClick={(e) => e.stopPropagation()}
      >
        {/* Modal Header */}
        <div 
          className="p-6 text-white flex items-start justify-between relative overflow-hidden"
          style={{ backgroundColor: categoryColor }}
        >
          <div className="absolute -left-10 -bottom-10 w-40 h-40 bg-white/10 rounded-full blur-2xl pointer-events-none" />
          
          <div className="relative z-10 space-y-1">
            <div className="flex items-center gap-2 text-xs font-bold bg-white/15 px-3 py-1 rounded-full w-fit backdrop-blur-sm border border-white/20">
              <Sparkles className="w-3.5 h-3.5" />
              <span>{product.category}</span>
              <span className="opacity-60">•</span>
              <span>کد کالا: {product.artNo}</span>
            </div>
            <h2 className="text-2xl md:text-3xl font-black font-lalezar mt-2 leading-tight">
              {product.name}
            </h2>
            {product.scientificTagline && (
              <p className="text-xs md:text-sm text-white/90 font-medium">
                {product.scientificTagline}
              </p>
            )}
          </div>

          <button
            onClick={onClose}
            className="p-2.5 rounded-full bg-white/10 hover:bg-white/20 text-white transition-colors relative z-10 cursor-pointer"
            aria-label="بستن"
          >
            <X className="w-5 h-5" />
          </button>
        </div>

        {/* Modal Content Scrollable Area */}
        <div className="p-6 md:p-8 overflow-y-auto space-y-6 sleek-scrollbar text-slate-800">
          
          {/* Image & Key Attributes Grid */}
          <div className="grid grid-cols-1 md:grid-cols-12 gap-6 items-center">
            <div className="md:col-span-5 bg-slate-50 border border-slate-200/80 rounded-2xl p-6 flex items-center justify-center aspect-square relative shadow-xs">
              <SafeImage
                src={product.image}
                alt={product.name}
                className="w-full h-full"
                imgClassName="object-contain max-h-52"
              />
              <div className="absolute bottom-3 right-3 bg-white/90 backdrop-blur-sm text-slate-700 text-[11px] font-black px-3 py-1 rounded-lg border border-slate-200/60 shadow-2xs">
                وزن/حجم: {product.unit}
              </div>
            </div>

            <div className="md:col-span-7 space-y-4">
              <div className="space-y-2">
                <span className="text-xs font-black text-slate-400 uppercase tracking-widest block">
                  شرح بالینی و عملکرد:
                </span>
                {/<[a-z][\s\S]*>/i.test(product.description || '') ? (
                  <div
                    dangerouslySetInnerHTML={{
                      __html: typeof window !== 'undefined'
                        ? DOMPurify.sanitize(product.description || '')
                        : product.description || '',
                    }}
                    className="text-sm text-slate-600 leading-relaxed font-medium space-y-2 [&>h1]:font-black [&>h2]:font-black [&>h3]:font-black [&>p]:leading-relaxed [&>ul]:list-disc [&>ul]:pr-4 [&>ol]:list-decimal [&>ol]:pr-4 text-justify"
                  />
                ) : (
                  <p className="text-sm text-slate-600 leading-relaxed font-medium text-justify">
                    {product.description}
                  </p>
                )}
              </div>

              {/* Species & Dosage badges */}
              <div className="flex flex-wrap gap-2 pt-2">
                <div className="bg-slate-100 border border-slate-200 rounded-xl px-3 py-1.5 text-xs font-bold text-slate-700 flex items-center gap-1.5">
                  <Award className="w-4 h-4 text-canina-blue" />
                  <span>مناسب: {product.suitableFor}</span>
                </div>
                <div className="bg-slate-100 border border-slate-200 rounded-xl px-3 py-1.5 text-xs font-bold text-slate-700 flex items-center gap-1.5">
                  <CheckCircle2 className="w-4 h-4 text-emerald-600" />
                  <span>گرید دارویی آلمان</span>
                </div>
              </div>
            </div>
          </div>

          {/* Active Ingredients Section */}
          {product.main_ingredients && product.main_ingredients.length > 0 && (
            <div className="bg-blue-50/50 border border-blue-100 rounded-2xl p-5 space-y-3">
              <div className="flex items-center gap-2 text-canina-blue font-black text-xs">
                <Layers className="w-4 h-4" />
                <span>ترکیبات فعال و مواد موثره دارویی:</span>
              </div>
              <div className="flex flex-wrap gap-2">
                {product.main_ingredients.map((ingredient, idx) => (
                  <span
                    key={idx}
                    className="bg-white text-slate-800 border border-blue-200 rounded-xl px-3 py-1.5 text-xs font-bold shadow-2xs"
                  >
                    {ingredient}
                  </span>
                ))}
              </div>
            </div>
          )}

          {/* Clinical Dosage Section */}
          {product.dosage_logic && (
            <div className="bg-amber-50/80 border border-amber-200/80 rounded-2xl p-5 space-y-2">
              <div className="flex items-center gap-2 text-amber-900 font-black text-xs">
                <ShieldCheck className="w-4.5 h-4.5 text-amber-600" />
                <span>دستور مصرف بالینی و دوز توصیه شده:</span>
              </div>
              <p className="text-xs md:text-sm text-amber-900 leading-relaxed font-bold">
                {product.dosage_logic}
              </p>
            </div>
          )}

          {/* Specialist Note */}
          {product.specialist && (
            <div className="bg-slate-50 border border-slate-200 rounded-2xl p-5 flex items-start gap-4">
              <SafeImage
                src={product.specialist.image}
                alt={product.specialist.name}
                className="w-12 h-12 rounded-full border-2 border-white shadow-xs shrink-0"
                imgClassName="object-cover"
              />
              <div className="space-y-1">
                <div className="flex items-center gap-2">
                  <Stethoscope className="w-4 h-4 text-canina-blue" />
                  <span className="text-xs font-black text-slate-900">{product.specialist.name}</span>
                  <span className="text-[11px] text-slate-500 font-medium">({product.specialist.title})</span>
                </div>
                <p className="text-xs text-slate-600 italic leading-relaxed">
                  «{product.specialist.message}»
                </p>
              </div>
            </div>
          )}

        </div>

        {/* Modal Footer */}
        <div className="p-4 bg-slate-50 border-t border-slate-200 flex items-center justify-between">
          <div className="flex items-center gap-2 text-xs text-slate-500 font-bold">
            <Info className="w-4 h-4 text-slate-400" />
            <span>راهنمای کاتالوگ رسمی دارویی Canina Pharma Germany</span>
          </div>
          <button
            onClick={onClose}
            className="px-6 py-2.5 bg-slate-900 text-white rounded-xl text-xs font-black hover:bg-slate-800 transition-colors cursor-pointer"
          >
            بستن جزئیات
          </button>
        </div>
      </div>
    </div>
  );
}