/* ============================================================
   KIRI LUXURY — Homepage
   ============================================================ */

/* ---------------- HERO — 4-panel vertical collage, Ken Burns zoom ----------------
   Four equal, full-height portrait panels are swap points for the brand's real
   photos/videos. Each panel takes an `img` (Ken Burns zoom) and an optional
   `video` (autoplay/muted/loop, layered over the still) — drop a real clip in
   `video` when available and the still stays as the instant-paint fallback
   behind it. Headline copy overlays the collage on a dark scrim. */
const HERO_PANELS = [
  { img: (window.RB_IMGS || {})["HERO MASONRY · MEN 1"], video: (window.RB_VIDS || {})["HERO COLLAGE · 1"], alt: "Kiri Luxury look" },
  { img: (window.RB_IMGS || {})["HERO MASONRY · WOMEN 1"], video: (window.RB_VIDS || {})["HERO COLLAGE · 2"], alt: "Kiri Luxury look" },
  { img: (window.RB_IMGS || {})["HERO MASONRY · MEN 2"], video: (window.RB_VIDS || {})["HERO COLLAGE · 3"], alt: "Kiri Luxury look" },
  { img: (window.RB_IMGS || {})["HERO MASONRY · DETAIL"], video: (window.RB_VIDS || {})["HERO COLLAGE · 4"], alt: "Kiri Luxury look" },
];

function HeroCollageTile({ p, i }) {
  return (
    <div className="hmason-tile">
      <img className="hmason-img" src={p.img} alt={p.alt} loading={i < 2 ? "eager" : "lazy"} style={{ animationDelay: (i * 1400) + "ms", animationDuration: (16000 + i * 1300) + "ms" }} />
      {p.video && (
        <video className="hmason-img hmason-video" src={p.video} poster={p.img} autoPlay muted loop playsInline aria-hidden="true" />
      )}
    </div>
  );
}

function HeroCollage({ headline, sub, onNav }) {
  return (
    <section className="hero hmason-root" aria-label="Hero banner">
      <div className="hmason-grid">
        {HERO_PANELS.map((p, i) => <HeroCollageTile key={i} p={p} i={i} />)}
        <div className="hmason-scrim" aria-hidden="true"></div>
        <div className="hmason-content">
          <Eyebrow line style={{ color: "var(--accent-bright)" }}>{(window.BRAND && window.BRAND.igHandle) || "@kiri_luxury"}</Eyebrow>
          <h1 className="display hmason-h">{headline}</h1>
          <p className="lede hmason-sub">{sub}</p>
          <Btn onClick={() => onNav("shop", {})}>Shop the Collection</Btn>
        </div>
      </div>
    </section>
  );
}

function Hero(props) {
  return <HeroCollage {...props} />;
}

/* ---------------- TRUST BAR ---------------- */
function TrustBar() {
  const items = [
    { icon: "truck", t: "Worldwide shipping", s: "Rates shown at checkout" },
    { icon: "ruler", t: "Size guides", s: "On every product page" },
    { icon: "shield", t: "Secure checkout", s: "Card & bank transfer" },
  ];
  return (
    <div className="trustbar">
      <div className="wrap trustbar-inner">
        {items.map((it) => (
          <div className="trust-item" key={it.t}>
            <Icon name={it.icon} size={22} stroke={1.4} />
            <div><span className="trust-t">{it.t}</span><span className="trust-s">{it.s}</span></div>
          </div>
        ))}
      </div>
    </div>
  );
}

/* ---------------- CATEGORY STRIP ---------------- */
function CategoryStrip({ onNav }) {
  const cats = [
    { name: "Hoodie", disp: "Hoodies", label: "HOODIE", n: "01" },
    { name: "Jacket", disp: "Jackets", label: "JACKET", n: "02" },
    { name: "Dress", disp: "Dresses", label: "DRESS", n: "03" },
    { name: "Trousers", disp: "Trousers", label: "TROUSERS", n: "04" },
  ];
  return (
    <section className="section-pad-sm">
      <div className="wrap-wide">
        <Reveal className="section-head" style={{ marginBottom: 40 }}>
          <h2 className="serif">Shop by category</h2>
          <button className="link-arrow" onClick={() => onNav("shop", {})}>All products</button>
        </Reveal>
        <div className="cat-strip">
          {cats.map((c, i) => (
            <Reveal key={c.name} delay={(i % 4) + 1} className="cat-card zoomable">
              <button className="cat-card-btn" onClick={() => onNav("shop", { cat: c.name })}>
                <Ph label={c.label + " · SHOP"} ratio="portrait" />
                <div className="cat-card-cap">
                  <span className="mono">{c.n}</span>
                  <span className="serif">{c.disp}</span>
                </div>
              </button>
            </Reveal>
          ))}
        </div>
      </div>
    </section>
  );
}

/* ---------------- FEATURED PRODUCTS ---------------- */
function FeaturedRow({ title, eyebrow, products, onNav, link }) {
  const { addToCart, toggleWish, wishlist } = useContext(RBCtx);
  return (
    <section className="section-pad">
      <div className="wrap-wide">
        <Reveal className="section-head" style={{ marginBottom: 44 }}>
          <div>
            <Eyebrow>{eyebrow}</Eyebrow>
            <h2 className="serif" style={{ marginTop: 14 }}>{title}</h2>
          </div>
          <button className="link-arrow" onClick={() => onNav("shop", link || {})}>View all</button>
        </Reveal>
        <div className="product-grid">
          {products.map((p, i) => (
            <Reveal key={p.id} delay={(i % 4) + 1}>
              <ProductCard p={p} onNav={onNav} onAdd={addToCart} wished={wishlist.includes(p.id)} onWish={toggleWish} />
            </Reveal>
          ))}
        </div>
      </div>
    </section>
  );
}

/* ---------------- STORY ---------------- */
function StorySection({ onNav }) {
  return (
    <section className="section-pad story-sec">
      <div className="wrap-wide story-grid">
        <Reveal className="story-media zoomable"><Ph label="ABOUT · KIRI LUXURY" ratio="portrait" /></Reveal>
        <div className="story-body">
          <Reveal><Eyebrow line>About</Eyebrow></Reveal>
          <Reveal delay={1}><h2 className="serif story-h">Kiri Luxury</h2></Reveal>
          <Reveal delay={2}>
            <p className="lede" style={{ marginBottom: 22 }}>
              {(window.BRAND?.story.body) || "Kiri Luxury designs clothing for women and men."}
            </p>
          </Reveal>
          <Reveal delay={3} className="row" style={{ gap: 18, flexWrap: "wrap" }}>
            <Btn onClick={() => onNav("about", {})}>Read more</Btn>
          </Reveal>
        </div>
      </div>
    </section>
  );
}

/* ---------------- COLLECTIONS STRIP ---------------- */
function CollectionsSection({ onNav }) {
  return (
    <section className="section-pad occ-sec">
      <div className="wrap-wide">
        <Reveal className="section-head center-head">
          <div className="center" style={{ width: "100%" }}>
            <Eyebrow>Curated edits</Eyebrow>
            <h2 className="serif" style={{ margin: "14px auto 0", maxWidth: "none" }}>Shop by collection</h2>
          </div>
        </Reveal>
        <div className="occ-grid">
          {RB.COLLECTIONS.map((c, i) => (
            <Reveal key={c.id} delay={(i % 4) + 1} className="occ-card zoomable">
              <button className="occ-card-btn" onClick={() => onNav("shop", {})}>
                <Ph label={c.label} ratio={i % 2 === 0 ? "tall" : "portrait"} />
                <div className="occ-overlay" />
                <div className="occ-cap">
                  <span className="mono">{String(c.count).padStart(2, "0")} pieces</span>
                  <span className="serif occ-title">{c.title}</span>
                  <span className="occ-blurb">{c.blurb}</span>
                  <span className="link-arrow on-img">Explore</span>
                </div>
              </button>
            </Reveal>
          ))}
        </div>
      </div>
    </section>
  );
}

/* ---------------- FAQ ---------------- */
function FAQ() {
  const [open, setOpen] = useState(0);
  return (
    <section className="section-pad">
      <div className="wrap faq-grid">
        <div className="faq-head">
          <Eyebrow line>Good to know</Eyebrow>
          <h2 className="serif" style={{ fontSize: "clamp(32px,4vw,52px)", fontWeight: 500, marginTop: 16, lineHeight: 1.04 }}>Frequently asked questions</h2>
        </div>
        <div className="faq-list">
          {RB.FAQS.map((f, i) => (
            <div className={"faq-item" + (open === i ? " open" : "")} key={i}>
              <button className="faq-q" onClick={() => setOpen(open === i ? -1 : i)}>
                <span>{f.q}</span><Icon name={open === i ? "minus" : "plus"} size={20} />
              </button>
              <div className="faq-a"><p>{f.a}</p></div>
            </div>
          ))}
        </div>
      </div>
    </section>
  );
}

/* ---------------- INSTAGRAM STRIP ---------------- */
function CommunityStrip() {
  const handle = (window.BRAND && window.BRAND.igHandle) || "@kiri_luxury";
  const url = (window.BRAND && window.BRAND.igUrl) || "https://instagram.com/kiri_luxury";
  return (
    <section className="insta-sec">
      <div className="center" style={{ marginBottom: 32 }}>
        <Eyebrow>{handle}</Eyebrow>
        <h2 className="serif" style={{ fontSize: "clamp(28px,3.4vw,42px)", fontWeight: 500, marginTop: 10 }}>Follow along on Instagram</h2>
      </div>
      <div className="insta-row">
        {["@ · KIRI LUXURY 1", "@ · KIRI LUXURY 2", "@ · KIRI LUXURY 3", "@ · KIRI LUXURY 4"].map((label, i) => (
          <a key={i} className="insta-cell zoomable" href={url} target="_blank" rel="noopener" aria-label={"Instagram " + handle}>
            <Ph label={label} ratio="square" />
            <span className="insta-ic"><Icon name="ig" size={20} /></span>
          </a>
        ))}
      </div>
    </section>
  );
}

/* ---------------- PRODUCT CARD ---------------- */
function ProductCard({ p, onNav, onAdd, wished, onWish }) {
  return (
    <article className="pcard zoomable" onClick={() => onNav("product", { id: p.id })}>
      <div className="pcard-media">
        {p.badge && <span className="pcard-tag">{p.badge}</span>}
        <button className={"wish" + (wished ? " active" : "")} onClick={(e) => { e.stopPropagation(); onWish(p.id); }} aria-label="Wishlist">
          <Icon name={wished ? "star-f" : "heart"} size={17} />
        </button>
        <Ph label={p.label} ratio="portrait" />
        <button className="quick" onClick={(e) => { e.stopPropagation(); onAdd(p, { size: p.sizes[1] || p.sizes[0], color: p.colors[0].name }); }}>
          + Quick add
        </button>
      </div>
      <div className="pcard-body">
        <span className="pcard-cat">{p.cat} · {p.gender}</span>
        <span className="pcard-name">{p.name}</span>
        <span className="pcard-price"><Price ngn={p.price} old={p.oldPrice} /></span>
        <div className="swatches">{p.colors.slice(0, 4).map((c) => <span key={c.name} className="swatch" style={{ background: c.hex }} title={c.name} />)}</div>
      </div>
    </article>
  );
}

/* ---------------- HOME PAGE ---------------- */
function HomePage({ onNav, tweaks }) {
  const newArrivals = RB.PRODUCTS.filter((p) => p.badge === "New").slice(0, 4);
  const trending = RB.PRODUCTS.slice(4, 8);
  return (
    <div className="fade-page">
      <Hero headline={tweaks.heroHeadline} sub={tweaks.heroSub} onNav={onNav} />
      <TrustBar />
      <CategoryStrip onNav={onNav} />
      <FeaturedRow eyebrow="Just arrived" title="New this season" products={newArrivals} onNav={onNav} />
      <FeaturedRow eyebrow="Fan favourites" title="Trending now" products={trending} onNav={onNav} />
      <StorySection onNav={onNav} />
      <CollectionsSection onNav={onNav} />
      <FAQ />
      <CommunityStrip />
    </div>
  );
}

Object.assign(window, { HomePage, ProductCard, Hero, FAQ });