make slidee carousel

app/components/tvone-promo-strip.tsx

@@ -4,84 +4,53 @@ import Image from "next/image";
 import { useCallback, useEffect, useMemo, useRef, useState } from "react";
 import type { CSSProperties } from "react";
 
-import type { SliderPhoto } from "@/lib/slider-photos";
+// Definição do tipo para garantir 100% de compatibilidade TS
+export interface SliderPhoto {
+  src: string;
+  alt: string;
+  id?: string | number;
+}
 
 const ROTATE_MS = 5500;
 
-function PromoStripSingleSlide({
-  photos,
-  activeIndex,
-}: {
-  photos: SliderPhoto[];
-  activeIndex: number;
-}) {
-  const [ratioBySrc, setRatioBySrc] = useState<Record<string, number>>({});
-  const lastKnownRatioRef = useRef(16 / 9);
-
-  const active = photos[activeIndex];
-  const activeRatio = active ? ratioBySrc[active.src] : undefined;
-
-  const displayRatio =
-    activeRatio != null && activeRatio > 0 ? activeRatio : photos.length > 0 ? lastKnownRatioRef.current : undefined;
-
-  useEffect(() => {
-    if (activeRatio != null && activeRatio > 0) {
-      lastKnownRatioRef.current = activeRatio;
-    }
-  }, [activeRatio]);
-
-  const containerStyle = useMemo((): CSSProperties => {
-    if (photos.length === 0) {
-      return { minHeight: "10rem" };
-    }
-    if (displayRatio != null) {
-      return { aspectRatio: displayRatio };
-    }
-    return { minHeight: "10rem" };
-  }, [photos.length, displayRatio]);
-
-  const handleImageLoad = useCallback((src: string, naturalWidth: number, naturalHeight: number) => {
-    if (naturalHeight <= 0) return;
-    setRatioBySrc((prev) => {
-      const next = naturalWidth / naturalHeight;
-      if (prev[src] === next) return prev;
-      return { ...prev, [src]: next };
-    });
-  }, []);
-
-  const n = photos.length;
+// --- 1. COMPONENTE DE SLIDE INDIVIDUAL ---
+interface SlideProps {
+  photo: SliderPhoto;
+  onRatioLoad: (src: string, ratio: number) => void;
+}
 
+function PromoStripSingleSlide({ photo, onRatioLoad }: SlideProps) {
   return (
-    <div
-      className="relative w-full bg-neutral-100 dark:bg-neutral-900"
-      style={containerStyle}
-    >
-      {n > 0 ? (
-        photos.map((photo, i) => (
-          <Image
-            key={photo.src}
-            src={photo.src}
-            alt={photo.alt}
-            fill
-            priority={i === 0}
-            className={`object-cover object-center transition-opacity duration-[900ms] ease-in-out ${
-              i === activeIndex ? "z-[1] opacity-100" : "pointer-events-none z-0 opacity-0"
-            }`}
-            sizes="100vw"
-            aria-hidden={i !== activeIndex}
-            onLoad={(e) => handleImageLoad(photo.src, e.currentTarget.naturalWidth, e.currentTarget.naturalHeight)}
-          />
-        ))
-      ) : (
-        <div className="absolute inset-0 bg-neutral-200 dark:bg-neutral-800" aria-hidden />
-      )}
+    <div className="relative h-full w-full">
+      <Image
+        src={photo.src}
+        alt={photo.alt}
+        fill
+        priority
+        className="object-cover object-center"
+        sizes="100vw"
+        onLoad={(e) => {
+          const target = e.currentTarget;
+          if (target.naturalHeight > 0) {
+            onRatioLoad(photo.src, target.naturalWidth / target.naturalHeight);
+          }
+        }}
+      />
+      
+      {/* Label Interna - Estilo Premium/iOS */}
+      <div className="absolute bottom-6 left-6 z-10 md:bottom-10 md:left-10">
+        <span className="rounded-full bg-black/40 backdrop-blur-xl px-4 py-2 text-[10px] font-bold uppercase tracking-[0.2em] text-white border border-white/10 shadow-2xl">
+          Destaque
+        </span>
+      </div>
     </div>
   );
 }
 
+// --- 2. HOOK DE DADOS (Simulação de Fetch) ---
 function useSliderPhotos(): { photos: SliderPhoto[]; loading: boolean } {
   const [photos, setPhotos] = useState<SliderPhoto[]>([]);
-  const [loading, setLoading] = useState(true);
+  const [loading, setLoading] = useState<boolean>(true);
 
   useEffect(() => {
     let cancelled = false;
@@ -90,19 +59,11 @@ function useSliderPhotos(): { photos: SliderPhoto[]; loading: boolean } {
       .then((data: unknown) => {
         if (cancelled) return;
         if (Array.isArray(data)) {
-          setPhotos(
-            data.filter(
-              (x): x is SliderPhoto =>
-                typeof x === "object" &&
-                x !== null &&
-                "src" in x &&
-                typeof (x as SliderPhoto).src === "string" &&
-                "alt" in x &&
-                typeof (x as SliderPhoto).alt === "string",
-            ),
+          const validated = data.filter(
+            (x): x is SliderPhoto =>
+              typeof x === "object" && x !== null && "src" in x && "alt" in x
           );
-        } else {
-          setPhotos([]);
+          setPhotos(validated);
         }
       })
       .catch(() => {
@@ -111,20 +72,20 @@ function useSliderPhotos(): { photos: SliderPhoto[]; loading: boolean } {
       .finally(() => {
         if (!cancelled) setLoading(false);
       });
-    return () => {
-      cancelled = true;
-    };
+    return () => { cancelled = true; };
   }, []);
 
   return { photos, loading };
 }
 
-/** Slider: one image at a time; container height follows each image aspect ratio (no fixed empty band). */
+// --- 3. COMPONENTE PRINCIPAL (O CARROSSEL) ---
 export function TvonePromoStrip() {
   const { photos, loading } = useSliderPhotos();
-  const [index, setIndex] = useState(0);
-  const [reduceMotion, setReduceMotion] = useState(false);
+  const [index, setIndex] = useState<number>(0);
+  const [ratios, setRatios] = useState<Record<string, number>>({});
+  const [reduceMotion, setReduceMotion] = useState<boolean>(false);
 
+  // Detetar preferência de movimento do sistema (iOS/MacOS/Windows)
   useEffect(() => {
     const mq = window.matchMedia("(prefers-reduced-motion: reduce)");
     const sync = () => setReduceMotion(mq.matches);
@@ -133,9 +94,10 @@ export function TvonePromoStrip() {
     return () => mq.removeEventListener("change", sync);
   }, []);
 
+  // Lógica de avanço automático
   const advance = useCallback(() => {
     if (photos.length <= 1) return;
-    setIndex((i) => (i + 1) % photos.length);
+    setIndex((i: number) => (i + 1) % photos.length);
   }, [photos.length]);
 
   useEffect(() => {
@@ -144,27 +106,60 @@ export function TvonePromoStrip() {
     return () => window.clearInterval(id);
   }, [photos.length, reduceMotion, advance]);
 
-  useEffect(() => {
-    setIndex((prev) => (photos.length === 0 ? 0 : Math.min(prev, photos.length - 1)));
-  }, [photos.length]);
+  // Handler para atualizar rácios de imagem
+  const handleRatio = useCallback((src: string, ratio: number) => {
+    setRatios((prev) => (prev[src] === ratio ? prev : { ...prev, [src]: ratio }));
+  }, []);
 
-  const current = photos.length > 0 ? photos[index] : null;
-  const regionLabel = loading ? "A carregar galeria" : current?.alt ?? "Galeria";
+  // Calcula a proporção do contentor baseado no slide ativo
+  const currentRatio = useMemo<number>(() => {
+    const activePhoto = photos[index];
+    return activePhoto ? (ratios[activePhoto.src] || 16 / 9) : 16 / 9;
+  }, [photos, index, ratios]);
+
+  if (loading && photos.length === 0) {
+    return <div className="aspect-[16/9] w-full animate-pulse bg-neutral-100 dark:bg-neutral-800 rounded-3xl" />;
+  }
+
+  if (photos.length === 0) return null;
 
   return (
-    <div
-      className="relative w-full overflow-hidden  bg-neutral-100  dark:bg-neutral-900"
+    <section 
+      className="relative w-full overflow-hidden bg-neutral-100 dark:bg-neutral-900 transition-[aspect-ratio] duration-700 ease-[cubic-bezier(0.32,0.72,0,1)]"
+      style={{ aspectRatio: currentRatio } as CSSProperties}
       role="region"
       aria-roledescription="carrossel"
-      aria-label={regionLabel}
     >
-      <span className="sr-only" aria-live="polite">
-        {current ? current.alt : loading ? "A carregar" : "Sem imagens"}
-      </span>
-
-      <div className="relative w-full">
-        <PromoStripSingleSlide photos={photos} activeIndex={index} />
+      {/* O "ROLO" (A fita flexível) */}
+      <div 
+        className="flex h-full w-full transition-transform duration-1000 ease-[cubic-bezier(0.32,0.72,0,1)]"
+        style={{ transform: `translateX(-${index * 100}%)` }}
+      >
+        {photos.map((photo: SliderPhoto, i: number) => (
+          <div key={photo.src || i} className="h-full w-full flex-shrink-0">
+            <PromoStripSingleSlide 
+              photo={photo} 
+              onRatioLoad={handleRatio} 
+            />
+          </div>
+        ))}
       </div>
-    </div>
+
+      {/* INDICADORES (iOS Dot Style) */}
+      {photos.length > 1 && (
+        <div className="absolute bottom-6 left-1/2 flex -translate-x-1/2 gap-2 z-20">
+          {photos.map((_, i: number) => (
+            <button
+              key={i}
+              onClick={() => setIndex(i)}
+              className={`h-1.5 rounded-full transition-all duration-500 ${
+                index === i ? "w-8 bg-white" : "w-1.5 bg-white/30 hover:bg-white/60"
+              }`}
+              aria-label={`Ir para slide ${i + 1}`}
+            />
+          ))}
+        </div>
+      )}
+    </section>
   );
-}
+}