import React, { useState, useRef, useLayoutEffect } from 'react';
import { motion, AnimatePresence } from 'framer-motion';
import gsap from 'gsap';
import { ScrollTrigger } from 'gsap/ScrollTrigger';

gsap.registerPlugin(ScrollTrigger);

const servicesData = [
  {
    id: 1,
    category: 'IT Infrastructure',
    title: 'Windows 11 Transition',
    description: 'Seamless upgrades for your entire fleet. We handle compatibility checks, data backup, and deployment so your workflow never stutters.',
    icon: 'desktop_windows',
    image: 'https://lh3.googleusercontent.com/aida-public/AB6AXuBMpd_cFINnFibfNErBs8OVAAyDQYTRXix88YH91QImuGi11XGwlY_QUB2R9htcC1h_fTXUeftdEieGT-oi5p5TBjpAyW-86mSsXu-rqhRTBsJlAGuE37bxJES4DUayktXIToEcF-M4PyXdyyTPIYtpYrxK18b2-sPwMzuzCL0LpgJwd5EoYxAkrJQ7W4eBrIG2e9Cw9sY0dJpXJy-TRgwBG0nk-S7W4Y0s3U9w--AzE4fcUimeGMqWwdCncU5tnETmkrkDNFiCyKSA'
  },
  {
    id: 2,
    category: 'Security',
    title: 'Web Services & Security',
    description: 'From hosting to rigorous penetration testing. Secure your digital storefront with enterprise-grade protection and 99.9% uptime.',
    icon: 'security',
    image: 'https://lh3.googleusercontent.com/aida-public/AB6AXuCxibXNCB5mU7MdWE5znMWnQUc9-d2ZoYF7LXK1CMssnvaFz2ZsGzyxXMbqDmely-UfxapqILD5-Exeo1wlQZKg8T2MK4vjlyAMaehoJoqTy2hHh8rxj46i8CKb4-ILL2JswBc98nJt_Fo1DfcDH0dHH5Zz6H4R2Jm1deViSW8Sp2zNp1sTc4eRHy1URiSRQFcr1C8rca6dKiuNDuyDiUmmesqHobXGItaBeFjJC-0OatWpKbr0zF-Y5qvk9Yl5FY2KUcDY9AcTfelu'
  },
  {
    id: 3,
    category: 'Consulting',
    title: 'Performance Upgrades',
    description: 'Is your hardware holding you back? We analyze bottlenecks and implement strategic upgrades to memory, storage, and networks.',
    icon: 'speed',
    image: 'https://lh3.googleusercontent.com/aida-public/AB6AXuBs2fGGwp4EkMarA9Uvy7IOqyW0Pzxzt-94Bsr8Tkbem4uHPq-vMEmGgKuEmds2zKwPrw2nVcvL3MjjKYWieLSLh5pVUbbK6T9aDxt2xhvo4trARZobhzoQCJfI-r6aGW_aqfwC5XxOr9VA3YdnNnYEgkfW_TWrUWYa6mD8X0KdVG3sLimA8p7qWxIqUzFFV82twn60rP4OwLdIsc6t1OGnJzjemxL1Aw05aDo6Ckfr0a1oZ2kD4xKeTkG--zUhezvXB9I03l6f3b46'
  }
];

const categories = ['All', 'IT Infrastructure', 'Web Development', 'Consulting', 'Security'];

const Services: React.FC = () => {
  const [activeCategory, setActiveCategory] = useState('All');
  const containerRef = useRef<HTMLDivElement>(null);
  const imagesRef = useRef<(HTMLDivElement | null)[]>([]);

  // Reset refs on render to handle filtering updates
  imagesRef.current = [];

  const filteredServices = activeCategory === 'All' 
    ? servicesData 
    : servicesData.filter(s => s.category === activeCategory || (activeCategory === 'Web Development' && s.category === 'Security'));

  useLayoutEffect(() => {
    const ctx = gsap.context(() => {
      imagesRef.current.forEach((imgWrapper) => {
        if (!imgWrapper) return;
        
        gsap.to(imgWrapper, {
          yPercent: 30,
          ease: "none",
          scrollTrigger: {
            trigger: imgWrapper.closest('.group'),
            start: "top bottom",
            end: "bottom top",
            scrub: true
          }
        });
      });
    }, containerRef);

    return () => ctx.revert();
  }, [filteredServices]);

  return (
    <motion.section 
      ref={containerRef}
      id="services" 
      initial={{ opacity: 0, y: 50 }}
      whileInView={{ opacity: 1, y: 0 }}
      viewport={{ once: true, margin: "-100px" }}
      transition={{ duration: 0.8, ease: "easeOut" }}
      className="py-24 bg-white dark:bg-[#0f0f0f] border-t border-gray-100 dark:border-white/5"
    >
      <div className="max-w-7xl mx-auto px-6">
        <div className="mb-16">
          <span className="text-xs font-semibold uppercase tracking-widest text-gray-500 dark:text-gray-500 mb-2 block">Core Offerings</span>
          <h2 className="font-display text-3xl md:text-4xl text-gray-900 dark:text-white">
            Different paths to explore <span className="text-gray-400 dark:text-gray-600">all guided by one expert team.</span>
          </h2>
        </div>

        <div className="flex gap-6 mb-12 border-b border-gray-200 dark:border-white/10 text-sm font-medium overflow-x-auto pb-2 no-scrollbar">
          {categories.map((cat) => (
            <button
              key={cat}
              onClick={() => setActiveCategory(cat)}
              className={`pb-2 whitespace-nowrap transition-colors relative ${
                activeCategory === cat 
                  ? 'text-gray-900 dark:text-white' 
                  : 'text-gray-500 dark:text-gray-500 hover:text-gray-800 dark:hover:text-gray-300'
              }`}
            >
              {cat}
              {activeCategory === cat && (
                <motion.div 
                  layoutId="activeTab"
                  className="absolute bottom-0 left-0 right-0 h-0.5 bg-black dark:bg-white"
                />
              )}
            </button>
          ))}
        </div>

        <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
          <AnimatePresence mode="popLayout">
            {filteredServices.map((service) => (
              <motion.div
                key={service.id}
                layout
                initial={{ opacity: 0, scale: 0.9 }}
                animate={{ opacity: 1, scale: 1 }}
                exit={{ opacity: 0, scale: 0.9 }}
                whileHover={{ y: -10, transition: { duration: 0.3 } }}
                className="group relative bg-gray-50 dark:bg-white/5 border border-gray-200 dark:border-white/10 rounded-xl overflow-hidden hover:border-blue-500/50 dark:hover:border-blue-500/50 hover:shadow-2xl transition-all duration-300"
              >
                {/* Image Container */}
                <div className="h-48 bg-gray-200 dark:bg-black/40 overflow-hidden relative">
                  {/* Parallax Wrapper */}
                  <div 
                    ref={el => { if (el) imagesRef.current.push(el); }}
                    className="w-full h-[140%] -mt-[20%]"
                  >
                    <img 
                      src={service.image} 
                      alt={service.title} 
                      className="w-full h-full object-cover transition-transform duration-700 group-hover:scale-110 opacity-80 group-hover:opacity-100"
                    />
                  </div>
                  <div className="absolute inset-0 bg-gradient-to-t from-gray-50 dark:from-[#161616] to-transparent pointer-events-none"></div>
                </div>
                
                <div className="p-6 relative">
                  <motion.div 
                    className="w-10 h-10 rounded-full bg-white dark:bg-white/10 flex items-center justify-center mb-4 border border-gray-200 dark:border-white/10"
                    whileHover={{ rotate: 360, backgroundColor: "#3b82f6", color: "white", borderColor: "#3b82f6" }}
                    transition={{ duration: 0.5 }}
                  >
                    <span className="material-symbols-outlined text-sm text-gray-900 dark:text-white group-hover:text-white">{service.icon}</span>
                  </motion.div>
                  <h3 className="font-display text-xl font-bold text-gray-900 dark:text-white mb-2">{service.title}</h3>
                  <p className="text-sm text-gray-600 dark:text-gray-400 leading-relaxed mb-4">
                    {service.description}
                  </p>
                  <a href="#" className="inline-flex items-center text-xs font-bold uppercase tracking-wide text-gray-900 dark:text-white group-hover:text-blue-500 transition-colors">
                    Learn More <motion.span 
                      className="material-symbols-outlined text-xs ml-1"
                      animate={{ x: [0, 5, 0] }}
                      transition={{ repeat: Infinity, duration: 1.5, ease: "easeInOut", repeatDelay: 1 }}
                    >arrow_forward</motion.span>
                  </a>
                </div>
              </motion.div>
            ))}
          </AnimatePresence>
        </div>
      </div>
    </motion.section>
  );
};

export default Services;