/* ============================================================
   STITCHES BY AIMEE — 5 alternate hero variants
   Variants: video · aghomi · luxsplit · typo · mosaic
   No real photography/video uploaded yet — every visual slot
   renders the on-brand Ph() placeholder block.
   ============================================================ */

/* ══════════════════════════════════════════════════════════
   1. CINEMATIC HERO
   ══════════════════════════════════════════════════════════ */
const HERO_STILL_LABELS = ["FOR STANDOUT WOMEN", "OCCASION EDIT", "DRESS · OFF-SHOULDER EVENING", "BEHIND THE SEAMS"];

function HeroVideo({ onNav }) {
  const [vi, setVi] = useState(0);

  useEffect(() => {
    const t = setInterval(() => setVi((i) => (i + 1) % HERO_STILL_LABELS.length), 6000);
    return () => clearInterval(t);
  }, []);

  return (
    <section className="hero hv-root" aria-label="Hero: Cinematic">
      <div className="hv-bg loaded ph" key={vi} style={{ position: "absolute", inset: 0 }}>
        <span className="ph-label" style={{ position: "absolute", bottom: 24, left: 24 }}>{HERO_STILL_LABELS[vi]}</span>
      </div>
      <div className="hv-vignette" aria-hidden="true" />
      <div className="hv-rule" aria-hidden="true" />

      <div className="hv-content wrap">
        <p className="hv-eyebrow mono">Ready to Wear &amp; Bespoke · Port Harcourt</p>
        <h1 className="display hv-h">
          <span className="hv-word">For</span>{" "}
          <span className="hv-word">Standout</span>{" "}
          <span className="hv-word hv-gold">Women.</span>
        </h1>
        <p className="hv-sub lede">
          Ready-to-wear dresses, sets and separates —<br />
          plus bespoke tailoring made entirely to you.
        </p>
        <div className="hv-cta">
          <Btn onClick={() => onNav("shop", {})}>Shop the Collection</Btn>
          <Btn variant="ghost" arrow={false} className="on-dark"
            onClick={() => onNav("custom", {})}>Start a Custom Order</Btn>
        </div>
      </div>

      <div className="hv-scroll" aria-hidden="true">
        <span className="mono hv-scroll-label">Scroll</span>
        <span className="hv-scroll-line" />
      </div>

      <div className="hv-corner mono" aria-hidden="true">
        Stitches by Aimee · 2026
      </div>
    </section>
  );
}

/* ══════════════════════════════════════════════════════════
   2. MINIMAL SLIDER
   ══════════════════════════════════════════════════════════ */
function HeroAghomi({ onNav }) {
  const DURATION = 5400;
  const SLIDES = [
    { label: "FOR STANDOUT WOMEN", eyebrow: "Ready to Wear", h1: "Crafted", h2: "With Purpose.", cta: "Shop Dresses", fn: () => onNav("shop", { cat: "Dress" }) },
    { label: "OCCASION EDIT", eyebrow: "Occasion Edit", h1: "Show Up,", h2: "Stand Out.", cta: "Occasion Edit", fn: () => onNav("shop", {}) },
    { label: "TOP · FLUTTER SLEEVE", eyebrow: "Everyday Edit", h1: "Ease,", h2: "Everyday.", cta: "Shop Tops", fn: () => onNav("shop", { cat: "Top" }) },
    { label: "BESPOKE TAILORING", eyebrow: "The Bespoke Line", h1: "Made for", h2: "You Alone.", cta: "Start a Custom Order", fn: () => onNav("custom", {}) },
  ];

  const [cur, setCur] = useState(0);
  const [rev, setRev] = useState(0);
  const pausedRef = useRef(false);
  const rootRef   = useRef(null);

  useEffect(() => {
    const t = setInterval(() => { if (!pausedRef.current) advance(1); }, DURATION);
    return () => clearInterval(t);
  }, [cur]);

  useEffect(() => {
    const el = rootRef.current;
    if (!el) return;
    let sx = 0;
    const ts = (e) => { sx = e.touches[0].clientX; };
    const te = (e) => {
      const dx = e.changedTouches[0].clientX - sx;
      if (Math.abs(dx) > 50) advance(dx < 0 ? 1 : -1);
    };
    el.addEventListener("touchstart", ts, { passive: true });
    el.addEventListener("touchend",   te, { passive: true });
    return () => { el.removeEventListener("touchstart", ts); el.removeEventListener("touchend", te); };
  }, [cur]);

  const advance = (dir) => { setCur(c => (c + dir + SLIDES.length) % SLIDES.length); setRev(r => r + 1); };
  const s = SLIDES[cur];

  return (
    <section
      ref={rootRef}
      className="hero ha-root"
      onMouseEnter={() => { pausedRef.current = true; }}
      onMouseLeave={() => { pausedRef.current = false; }}
      aria-label="Minimal hero slider"
    >
      {SLIDES.map((sl, i) => (
        <div key={i} className={"ha-bg ph" + (i === cur ? " active has-img" : "")}>
          {i === cur && <span className="ph-label" style={{ position: "absolute", bottom: 24, left: 24 }}>{sl.label}</span>}
        </div>
      ))}
      <div className="ha-overlay" aria-hidden="true" />

      <div className="ha-content" key={rev}>
        <p className="ha-eyebrow mono">{s.eyebrow}</p>
        <h1 className="display ha-h">
          <span className="ha-h-line">{s.h1}</span>
          <span className="ha-h-line ha-h-em">{s.h2}</span>
        </h1>
        <button className="ha-cta-link mono" onClick={s.fn}>
          {s.cta}
          <svg width="22" height="10" viewBox="0 0 22 10" fill="none" aria-hidden="true">
            <path d="M1 5h20M16 1l5 4-5 4" stroke="currentColor" strokeWidth="1.2" strokeLinecap="round" strokeLinejoin="round" />
          </svg>
        </button>
      </div>

      <div className="ha-counter" aria-hidden="true">
        <span className="mono">{String(cur + 1).padStart(2, "0")}</span>
        <span className="ha-count-bar" />
        <span className="mono ha-count-total">{String(SLIDES.length).padStart(2, "0")}</span>
      </div>

      <div className="ha-lines" role="tablist">
        {SLIDES.map((_, i) => (
          <button key={i} role="tab" aria-selected={i === cur} aria-label={"Slide " + (i + 1)}
            className="ha-line-btn" onClick={() => { setCur(i); setRev(r => r + 1); }}>
            <span className="ha-line-track">
              {i === cur && <span key={rev} className="ha-line-fill" style={{ "--ha-dur": DURATION + "ms" }} />}
            </span>
          </button>
        ))}
      </div>
    </section>
  );
}

/* ══════════════════════════════════════════════════════════
   3. LUXURY SPLIT HERO
   ══════════════════════════════════════════════════════════ */
function HeroLuxSplit({ headline, sub, onNav }) {
  return (
    <section className="hero hls-root">
      <div className="hls-panel">
        <div className="hls-panel-inner">
          <p className="hls-eyebrow mono">For Standout Women</p>
          <h1 className="display hls-h">{headline}</h1>
          <div className="hls-rule" aria-hidden="true" />
          <p className="lede hls-sub">{sub}</p>
          <div className="hls-cta">
            <Btn onClick={() => onNav("shop", {})}>Shop Collection</Btn>
            <Btn variant="ghost" arrow={false} className="on-dark"
              onClick={() => onNav("custom", {})}>Start a Custom Order</Btn>
          </div>
        </div>
        <div className="hls-vline" aria-hidden="true" />
      </div>

      <div className="hls-media">
        <div className="hls-main-img zoomable">
          <Ph label="FOR STANDOUT WOMEN" ratio="tall" />
        </div>
        <div className="hls-thumbs">
          <div className="hls-thumb zoomable"><Ph label="OCCASION EDIT" ratio="portrait" /></div>
          <div className="hls-thumb zoomable"><Ph label="TOP · FLUTTER SLEEVE" ratio="portrait" /></div>
        </div>
      </div>
    </section>
  );
}

/* ══════════════════════════════════════════════════════════
   4. MINIMAL TYPOGRAPHIC HERO
   ══════════════════════════════════════════════════════════ */
function HeroTypo({ headline, sub, onNav }) {
  const words = (headline || "For standout women.").split(" ");
  return (
    <section className="hero ht-root">
      <div className="ht-bg-wrap" aria-hidden="true">
        <Ph label="READY TO WEAR" ratio="portrait" />
      </div>
      <div className="ht-bg-fade" aria-hidden="true" />

      <div className="wrap ht-content">
        <div className="ht-badge">
          <span className="mono">RTW &amp; BESPOKE</span>
          <span className="ht-badge-line" />
          <span className="mono">Port Harcourt</span>
        </div>

        <h1 className="display ht-h" aria-label={headline}>
          {words.map((w, i) => (
            <span key={i} className="ht-word" style={{ animationDelay: `${i * 0.08}s` }}>
              {i % 4 === 3 ? <em>{w}</em> : w}
            </span>
          ))}
        </h1>

        <div className="ht-footer">
          <p className="ht-sub">{sub}</p>
          <div className="ht-foot-cta">
            <Btn onClick={() => onNav("shop", {})}>Shop Now</Btn>
            <Btn variant="ghost" arrow={false} onClick={() => onNav("shop", {})}>Shop Collection</Btn>
          </div>
        </div>
      </div>
    </section>
  );
}

/* ══════════════════════════════════════════════════════════
   5. MOSAIC / PARALLAX HERO
   ══════════════════════════════════════════════════════════ */
function HeroMosaic({ onNav }) {
  const rootRef = useRef(null);
  const rafRef  = useRef(null);
  const posRef  = useRef({ x: 0, y: 0 });
  const curRef  = useRef({ x: 0, y: 0 });

  useEffect(() => {
    const el = rootRef.current;
    if (!el) return;

    const onMove = (e) => {
      const r = el.getBoundingClientRect();
      posRef.current = {
        x: ((e.clientX - r.left) / r.width  - 0.5) * 2,
        y: ((e.clientY - r.top)  / r.height - 0.5) * 2,
      };
    };
    const onLeave = () => { posRef.current = { x: 0, y: 0 }; };

    const loop = () => {
      curRef.current.x += (posRef.current.x - curRef.current.x) * 0.06;
      curRef.current.y += (posRef.current.y - curRef.current.y) * 0.06;
      const { x, y } = curRef.current;
      el.querySelectorAll("[data-depth]").forEach((c) => {
        const d = parseFloat(c.dataset.depth);
        c.style.transform = `translate(${x * d * 22}px, ${y * d * 14}px)`;
      });
      rafRef.current = requestAnimationFrame(loop);
    };

    rafRef.current = requestAnimationFrame(loop);
    el.addEventListener("mousemove", onMove);
    el.addEventListener("mouseleave", onLeave);
    return () => {
      cancelAnimationFrame(rafRef.current);
      el.removeEventListener("mousemove", onMove);
      el.removeEventListener("mouseleave", onLeave);
    };
  }, []);

  return (
    <section className="hero hm-root" ref={rootRef} aria-label="Mosaic hero">
      <div className="hm-card hm-c1 ph" data-depth="0.7"><span className="ph-label">RTW</span></div>
      <div className="hm-card hm-c2 ph" data-depth="1.4"><span className="ph-label">BESPOKE</span></div>
      <div className="hm-card hm-c3 ph" data-depth="0.5"><span className="ph-label">STYLED</span></div>
      <div className="hm-card hm-c4 ph" data-depth="1.1"><span className="ph-label">STUDIO</span></div>

      <div className="hm-scrim" aria-hidden="true" />

      <div className="hm-content">
        <p className="mono hm-eyebrow">The New Collection</p>
        <h1 className="display hm-h">
          The New<br /><em>Collection.</em>
        </h1>
        <p className="hm-sub lede">Port Harcourt. Nationwide. Yours.</p>
        <div className="hm-cta">
          <Btn onClick={() => onNav("shop", {})}>Explore Now</Btn>
          <Btn variant="ghost" arrow={false} className="on-dark"
            onClick={() => onNav("shop", {})}>Shop Collection</Btn>
        </div>
      </div>

      <div className="hm-corner-tl mono" aria-hidden="true">Stitches by Aimee</div>
      <div className="hm-corner-br mono" aria-hidden="true">Port Harcourt Studio</div>
    </section>
  );
}

Object.assign(window, { HeroVideo, HeroAghomi, HeroLuxSplit, HeroTypo, HeroMosaic });
