"use client";

import { useTranslations } from "next-intl";
import { useEffect, useRef } from "react";

export default function ProblemSection() {
  const t = useTranslations("ProblemSection");
  const problems = t.raw("problems") as Array<{ problem: string; description: string }>;
  const sectionRef = useRef<HTMLElement>(null);

  useEffect(() => {
    const observer = new IntersectionObserver(
      (entries) => {
        entries.forEach((entry) => {
          if (entry.isIntersecting) {
            entry.target.classList.add("animate-visible");
            observer.unobserve(entry.target);
          }
        });
      },
      { threshold: 0.1 }
    );

    const animatedElements = sectionRef.current?.querySelectorAll(".animate-on-scroll");
    animatedElements?.forEach((el) => observer.observe(el));

    return () => observer.disconnect();
  }, []);

  return (
    <section ref={sectionRef} className="py-24 bg-gradient-to-b from-[#fefcfb] to-[#faf9f7]">
      <div className="container mx-auto px-4">
        <div className="max-w-3xl mx-auto text-center animate-on-scroll">
          <span className="text-xs uppercase tracking-[0.3em] text-[#c9a962] mb-4 block font-medium">
            {t("title")}
          </span>
          <h2 className="text-3xl md:text-4xl lg:text-5xl font-medium mb-6 leading-tight text-[#1a1a1a]">
            {t("subtitle")}
          </h2>
          <p className="text-[#666666] text-lg max-w-xl mx-auto">
            {t("description")}
          </p>
          <div className="w-16 h-1 bg-gradient-to-r from-[#c9a962] to-[#FFD700] mx-auto mt-8 rounded-full" />
        </div>

        <div className="grid grid-cols-1 md:grid-cols-3 gap-6 lg:gap-8 max-w-5xl mx-auto mt-16">
          {problems.map((item, index) => (
            <div
              key={index}
              className="relative text-center p-8 bg-white rounded-3xl shadow-lg border border-[#f0ede8] hover:shadow-2xl hover:border-[#c9a962]/30 transition-all duration-500 group animate-on-scroll"
              style={{ animationDelay: `${index * 100}ms` }}
            >
              <div className="absolute top-0 left-1/2 -translate-x-1/2 w-20 h-1 bg-gradient-to-r from-[#c9a962] to-[#FFD700] rounded-b-full opacity-0 group-hover:opacity-100 transition-opacity duration-300" />

              <div className="w-20 h-20 mx-auto mb-6 rounded-2xl bg-gradient-to-br from-[#faf9f7] to-[#f5f0e8] flex items-center justify-center shadow-md border border-[#e8e4dc] group-hover:border-[#c9a962]/50 transition-colors duration-300">
                {index === 0 && (
                  <svg className="w-10 h-10" viewBox="0 0 24 24" fill="none" strokeWidth="1.5">
                    <path stroke="#c9a962" strokeLinecap="round" strokeLinejoin="round" d="M9.172 16.172a4 4 0 015.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
                  </svg>
                )}
                {index === 1 && (
                  <svg className="w-10 h-10" viewBox="0 0 24 24" fill="none" strokeWidth="1.5">
                    <path stroke="#e8967a" strokeLinecap="round" strokeLinejoin="round" d="M12 8v4m0 4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
                  </svg>
                )}
                {index === 2 && (
                  <svg className="w-10 h-10" viewBox="0 0 24 24" fill="none" strokeWidth="1.5">
                    <path stroke="#7eb89e" strokeLinecap="round" strokeLinejoin="round" d="M18.364 18.364A9 9 0 005.636 5.636m12.728 12.728A9 9 0 015.636 5.636m12.728 12.728L5.636 5.636" />
                  </svg>
                )}
              </div>
              <h3 className="text-lg font-semibold text-[#1a1a1a] mb-3">{item.problem}</h3>
              <p className="text-sm text-[#666666] leading-relaxed">{item.description}</p>
            </div>
          ))}
        </div>
      </div>

      <style>{`
        @keyframes fadeInUp {
          from {
            opacity: 0;
            transform: translateY(20px);
          }
          to {
            opacity: 1;
            transform: translateY(0);
          }
        }
        .animate-on-scroll {
          opacity: 0;
        }
        .animate-on-scroll.animate-visible {
          animation: fadeInUp 0.5s ease-out forwards;
        }
      `}</style>
    </section>
  );
}