import { useEffect, useRef, useState } from "react";

import agricultureBio from "&/images/certifications/agriculture-biologique.png";
import agricultureBioWebp from "&/images/certifications/agriculture-biologique.webp";
import bienEtre from "&/images/certifications/bien-etre-animal.png";
import bienEtreWebp from "&/images/certifications/bien-etre-animal.webp";
import conformite from "&/images/certifications/conformite-certifiee.jpg";
import conformiteWebp from "&/images/certifications/conformite-certifiee.webp";
import labelRouge from "&/images/certifications/label-rouge.png";
import labelRougeWebp from "&/images/certifications/label-rouge.webp";
import origineGeo from "&/images/certifications/origine-geographique.png";
import origineGeoWebp from "&/images/certifications/origine-geographique.webp";
import impact from "&/images/certifications/planet-scrore.png";
import impactWebp from "&/images/certifications/planet-scrore.webp";
import { GetTranslation } from "@/lib/utils";

const CERTIFICATIONS = [
  {
    webp: labelRougeWebp,
    fallback: labelRouge,
    label: "front.certifications.quality.text",
    alt: "front.certifications.quality.alt",
    title: "front.certifications.quality.title",
  },
  {
    webp: origineGeoWebp,
    fallback: origineGeo,
    label: "front.certifications.origin.text",
    alt: "front.certifications.origin.alt",
    title: "front.certifications.origin.title",
  },
  {
    webp: agricultureBioWebp,
    fallback: agricultureBio,
    label: "front.certifications.organic.text",
    alt: "front.certifications.organic.alt",
    title: "front.certifications.organic.title",
  },
  {
    webp: conformiteWebp,
    fallback: conformite,
    label: "front.certifications.product_cerf.text",
    alt: "front.certifications.product_cerf.alt",
    title: "front.certifications.product_cerf.title",
  },
  {
    webp: bienEtreWebp,
    fallback: bienEtre,
    label: "front.certifications.animalWelfare.text",
    alt: "front.certifications.animalWelfare.alt",
    title: "front.certifications.animalWelfare.title",
  },
  {
    webp: impactWebp,
    fallback: impact,
    label: "front.certifications.environmentalImpact.text",
    alt: "front.certifications.environmentalImpact.text",
    title: "front.certifications.environmentalImpact.title",
  },
];

export default function CertificationsSection() {
  const scrollerRef = useRef<HTMLDivElement>(null);
  const [thumb, setThumb] = useState({ width: 200, left: 0 });

  useEffect(() => {
    const scroller = scrollerRef.current;
    if (!scroller) return;

    const updateThumb = () => {
      const { scrollLeft, scrollWidth, clientWidth } = scroller;
      const thumbWidth = (clientWidth / scrollWidth) * 100;
      const maxScroll = scrollWidth - clientWidth;
      const scrollRatio = maxScroll > 0 ? scrollLeft / maxScroll : 0;
      const thumbLeft = scrollRatio * (100 - thumbWidth);

      setThumb({ width: thumbWidth, left: thumbLeft });
    };

    updateThumb();
    scroller.addEventListener("scroll", updateThumb, { passive: true });
    window.addEventListener("resize", updateThumb);
    return () => {
      scroller.removeEventListener("scroll", updateThumb);
      window.removeEventListener("resize", updateThumb);
    };
  }, []);
  return (
    <section className="relative w-full overflow-hidden px-8 py-14 md:px-12 lg:px-[60px]">
      <div className="mx-auto max-w-[1320px] text-start lg:text-center">
        <h2 className="font-sans text-[26px] lg:text-[32px] font-extrabold text-neutral-800 whitespace-nowrap">
          {GetTranslation("front.certifications.title")}
        </h2>
        <p className="mx-auto mt-3 max-w-[820px] font-sans text-[18px] leading-relaxed text-neutral-700 ">
          {GetTranslation("front.certifications.subtitle")}
        </p>

        {/* Mobile */}
        <div
          ref={scrollerRef}
          className="no-scrollbar mt-10 -mx-8 flex snap-x snap-mandatory gap-8 overflow-x-auto px-8 pb-4 md:hidden"
        >
          {CERTIFICATIONS.map((cert) => (
            <div
              key={cert.label}
              className="flex w-[160px] flex-none snap-center flex-col items-center gap-3"
            >
              <picture>
                <source srcSet={cert.webp} type="image/webp" />
                <img
                  src={cert.fallback}
                  title={GetTranslation(cert.title)}
                  alt={GetTranslation(cert.alt)}
                  className="h-[90px] w-auto object-contain"
                />
              </picture>
              <p className="font-sans text-[14px] font-normal uppercase text-neutral-700 text-center">
                {GetTranslation(cert.label)}
              </p>
            </div>
          ))}
        </div>

        {/* Custom progress Bar */}
        <div className="relative mt-2 h-2.5 w-full max-w-[300px] bg-[#eeede7] md:hidden">
          <div
            className="absolute top-0 h-full rounded-full bg-[#D9D9D9] transition-[left,width] duration-150 ease-out"
            style={{
              width: `${thumb.width.toString()}%`,
              left: `${thumb.left.toString()}%`,
            }}
          />
        </div>
        {/* Desktop */}
        <div className="mt-10 hidden items-start justify-between gap-6 md:flex">
          {CERTIFICATIONS.map((cert) => (
            <div
              key={cert.label}
              className="flex flex-1 flex-col items-center gap-3"
            >
              <picture>
                <source srcSet={cert.webp} type="image/webp" />
                <img
                  src={cert.fallback}
                  alt={GetTranslation(cert.alt)}
                  title={GetTranslation(cert.title)}
                  className="h-[90px] w-auto object-contain"
                />
              </picture>
              <p className="font-sans text-[14px] font-normal uppercase text-neutral-700">
                {GetTranslation(cert.label)}
              </p>
            </div>
          ))}
        </div>
      </div>
    </section>
  );
}