"use client";

import { motion, type Variants, useReducedMotion } from "framer-motion";
import { usePortfolioData } from "@/lib/usePortfolioData";
import { Section } from "./Section";
import { DrawLine } from "./animations/DrawLine";
import { CounterValue } from "./animations/CounterValue";
import { SectionLoading } from "./SectionLoading";

export default function Skills() {
  const { data, loading, error } = usePortfolioData();
  const shouldReduceMotion = useReducedMotion();

  if (loading) {
    return <SectionLoading dark message="Loading skill registry" />;
  }

  if (error || !data) {
    return <div className="ds-error">Error loading skill registry</div>;
  }

  const gridVariants: Variants = {
    hidden: {},
    visible: {
      transition: {
        delayChildren: 0.06,
        staggerChildren: 0.08,
      },
    },
  };

  const cardVariants: Variants = {
    hidden: shouldReduceMotion
      ? { opacity: 0 }
      : { opacity: 0, y: 20, clipPath: "inset(100% 0 0 0)" },
    visible: {
      opacity: 1,
      y: 0,
      clipPath: "inset(0% 0 0 0)",
      transition: shouldReduceMotion
        ? { duration: 0.25 }
        : { duration: 0.8, ease: [0.16, 1, 0.3, 1] },
    },
  };

  return (
    <Section
      id="skills"
      eyebrow="MODULE_REGISTRY.lib"
      title="Stack modular para produto, operacao e escala"
      description="Ferramentas escolhidas por previsibilidade operacional, velocidade de entrega e facilidade de manutencao."
      dark
      disableChildrenAnimation
    >
      <motion.div
        className="ds-grid-2"
        initial="hidden"
        whileInView="visible"
        viewport={{ once: true, amount: 0.2 }}
        variants={gridVariants}
      >
        {data.skills.technical.map((category, index) => (
          <motion.article
            key={category.category}
            className="ds-card h-full"
            variants={cardVariants}
            whileHover={
              shouldReduceMotion
                ? undefined
                : {
                    y: -4,
                    boxShadow: "0 20px 40px rgba(0, 0, 0, 0.35)",
                  }
            }
            whileTap={shouldReduceMotion ? undefined : { scale: 0.99 }}
            transition={{ type: "spring", stiffness: 180, damping: 18 }}
          >
            <div className="flex items-center justify-between gap-sp-4">
              <div className="ds-kicker">ID_0{index + 1}X</div>
              <div className="ds-metric">
                <CounterValue value={category.skills.length} suffix=" items" />
              </div>
            </div>
            <DrawLine delay={0.05} />
            <h3 className="ds-card-title mb-sp-8">{category.category}</h3>
            <ul className="ds-tags">
              {category.skills.map((skill) => (
                <li key={skill} className="ds-tag">
                  {skill}
                </li>
              ))}
            </ul>
          </motion.article>
        ))}
      </motion.div>
    </Section>
  );
}