update carousel

src/widgets/categories/ui/CategoryAccordion.tsx

@@ -0,0 +1,358 @@
+'use client';
+
+import { CategoryResult } from '@/shared/config/api/category/type';
+import { product_api } from '@/shared/config/api/product/api';
+import { useRouter } from '@/shared/config/i18n/navigation';
+import { cn } from '@/shared/lib/utils';
+import { Button } from '@/shared/ui/button';
+import {
+  Carousel,
+  CarouselContent,
+  CarouselItem,
+  type CarouselApi,
+} from '@/shared/ui/carousel';
+import { ProductCard } from '@/widgets/categories/ui/product-card';
+import { useQuery } from '@tanstack/react-query';
+import { ChevronDown, ChevronLeft, ChevronRight, Package } from 'lucide-react';
+import { memo, useCallback, useEffect, useRef, useState } from 'react';
+
+interface CategoryAccordionProps {
+  category: CategoryResult;
+}
+
+const CategoryAccordion = memo(function CategoryAccordion({
+  category,
+}: CategoryAccordionProps) {
+  const router = useRouter();
+  const [isOpen, setIsOpen] = useState(false);
+  const [carousels, setCarousels] = useState<Map<string, CarouselApi>>(
+    new Map(),
+  );
+  const [scrollStates, setScrollStates] = useState<
+    Map<string, { prev: boolean; next: boolean }>
+  >(new Map());
+
+  // Ref to track if event listeners are already attached
+  const listenersAttached = useRef<Set<string>>(new Set());
+
+  const toggle = useCallback(() => setIsOpen((prev) => !prev), []);
+
+  // Separate effect to handle carousel listeners
+  useEffect(() => {
+    if (carousels.size === 0) return;
+
+    const updateScrollState = (subId: string, api: CarouselApi) => {
+      if (!api) return; // Guard clause
+
+      setScrollStates((prev) => {
+        const newMap = new Map(prev);
+        newMap.set(subId, {
+          prev: api.canScrollPrev(),
+          next: api.canScrollNext(),
+        });
+        return newMap;
+      });
+    };
+
+    const cleanupFunctions: (() => void)[] = [];
+
+    carousels.forEach((api, subId) => {
+      // Skip if api is undefined or listeners already attached
+      if (!api || listenersAttached.current.has(subId)) return;
+
+      const handleUpdate = () => updateScrollState(subId, api);
+
+      // Initial update
+      handleUpdate();
+
+      // Attach listeners
+      api.on('select', handleUpdate);
+      api.on('reInit', handleUpdate);
+
+      // Mark as attached
+      listenersAttached.current.add(subId);
+
+      // Cleanup function
+      cleanupFunctions.push(() => {
+        api.off('select', handleUpdate);
+        api.off('reInit', handleUpdate);
+        listenersAttached.current.delete(subId);
+      });
+    });
+
+    return () => {
+      cleanupFunctions.forEach((cleanup) => cleanup());
+    };
+  }, [carousels]);
+
+  const handleSetApi = useCallback(
+    (subId: string, api: CarouselApi | undefined) => {
+      if (!api) return;
+
+      setCarousels((prev) => {
+        // Only update if this is a new or different API
+        const existing = prev.get(subId);
+        if (existing === api) return prev;
+
+        const newMap = new Map(prev);
+        newMap.set(subId, api);
+        return newMap;
+      });
+    },
+    [],
+  );
+
+  const scrollPrev = useCallback(
+    (subId: string) => {
+      const api = carousels.get(subId);
+      if (api) {
+        api.scrollPrev();
+      }
+    },
+    [carousels],
+  );
+
+  const scrollNext = useCallback(
+    (subId: string) => {
+      const api = carousels.get(subId);
+      if (api) {
+        api.scrollNext();
+      }
+    },
+    [carousels],
+  );
+
+  const { data: productsData, isLoading } = useQuery({
+    queryKey: ['category_products', category.id],
+    queryFn: async () => {
+      const results = await Promise.all(
+        category.product_types.map((sub) =>
+          product_api.list({ page: 1, page_size: 16, product_type_id: sub.id }),
+        ),
+      );
+      return results.map((r, i) => ({
+        subCategory: category.product_types[i],
+        products: r.data.results.filter((p) => p.state === 'A'),
+      }));
+    },
+    enabled: isOpen,
+    staleTime: 5 * 60 * 1000,
+  });
+
+  return (
+    <section className="custom-container mt-8 mb-6">
+      {/* Header */}
+      <div
+        className={cn(
+          'group relative overflow-hidden cursor-pointer',
+          'bg-gradient-to-br from-white via-blue-50 to-indigo-50',
+          'hover:from-blue-50 hover:via-blue-100 hover:to-indigo-100',
+          'border border-slate-200 rounded-2xl transition-all duration-500 ease-in-out',
+          'shadow-sm hover:shadow-lg',
+          isOpen &&
+            'border-blue-400 shadow-xl bg-gradient-to-br from-blue-50 to-indigo-50',
+        )}
+        onClick={toggle}
+      >
+        <div className="flex justify-between items-center p-6 sm:p-8">
+          <div className="flex items-center gap-4">
+            <div
+              className={cn(
+                'p-3.5 rounded-xl transition-all duration-500 transform',
+                'bg-white shadow-md',
+                'group-hover:bg-gradient-to-br group-hover:from-blue-100 group-hover:to-indigo-100 group-hover:shadow-lg group-hover:scale-110',
+                isOpen &&
+                  'bg-gradient-to-br from-blue-200 to-indigo-200 shadow-lg scale-110',
+              )}
+            >
+              <Package
+                className={cn(
+                  'size-6 transition-all duration-500',
+                  'text-slate-700',
+                  'group-hover:text-blue-700',
+                  isOpen && 'text-blue-700',
+                )}
+              />
+            </div>
+            <div className="flex-1">
+              <h2
+                className={cn(
+                  'text-xl sm:text-3xl font-bold transition-all duration-300',
+                  'text-slate-900',
+                  'group-hover:text-blue-800',
+                  isOpen && 'text-blue-800',
+                )}
+              >
+                {category.name}
+              </h2>
+              <div className="flex items-center gap-2 mt-1">
+                <span className="inline-flex items-center gap-1 px-3 py-1 rounded-full bg-slate-100 group-hover:bg-blue-100 transition-colors">
+                  <span className="text-xs sm:text-sm font-semibold text-slate-700 group-hover:text-blue-700">
+                    {category.product_types.length}
+                  </span>
+                  <span className="text-xs sm:text-sm text-slate-600 group-hover:text-blue-600">
+                    kategoriya
+                  </span>
+                </span>
+              </div>
+            </div>
+          </div>
+
+          <div
+            className={cn(
+              'p-3 rounded-full transition-all duration-500 transform',
+              'bg-white shadow-md',
+              'group-hover:bg-blue-100 group-hover:shadow-lg group-hover:scale-125',
+              isOpen && 'bg-blue-200 shadow-lg scale-125',
+            )}
+          >
+            <ChevronDown
+              className={cn(
+                'size-6 transition-all duration-500',
+                'text-slate-700',
+                'group-hover:text-blue-700',
+                isOpen ? 'rotate-180 text-blue-700' : 'rotate-0',
+              )}
+            />
+          </div>
+        </div>
+
+        <div
+          className={cn(
+            'h-1.5 bg-gradient-to-r from-blue-600 via-indigo-600 to-purple-600 transition-all duration-500',
+            'scale-x-0 group-hover:scale-x-100',
+            isOpen && 'scale-x-100',
+          )}
+        />
+      </div>
+
+      {/* Content */}
+      <div
+        className={cn(
+          'overflow-hidden transition-all duration-700 ease-in-out',
+          isOpen ? 'max-h-[10000px] opacity-100 mt-6' : 'max-h-0 opacity-0',
+        )}
+      >
+        {isLoading ? (
+          <div className="space-y-8">
+            {Array.from({ length: 2 }).map((_, idx) => (
+              <div key={idx} className="space-y-4">
+                <div className="h-7 w-56 bg-gradient-to-r from-slate-200 to-slate-100 rounded-lg animate-pulse" />
+                <div className="flex gap-4 overflow-hidden">
+                  {Array.from({ length: 6 }).map((_, i) => (
+                    <div
+                      key={i}
+                      className="flex-shrink-0 w-44 h-72 bg-gradient-to-br from-slate-100 to-slate-50 rounded-2xl animate-pulse"
+                    />
+                  ))}
+                </div>
+              </div>
+            ))}
+          </div>
+        ) : (
+          <div className="space-y-10 pb-8">
+            {productsData?.map((sub) => {
+              if (!sub.products.length) return null;
+
+              const subId = sub.subCategory.id.toString();
+              const scrollState = scrollStates.get(subId) || {
+                prev: false,
+                next: false,
+              };
+
+              return (
+                <div
+                  key={sub.subCategory.id}
+                  className="bg-gradient-to-br from-white to-slate-50 rounded-2xl border border-slate-200 p-6 sm:p-8 shadow-md hover:shadow-xl transition-all duration-300"
+                >
+                  {/* Subcategory Header */}
+                  <div className="flex items-center justify-between mb-6 pb-4 border-b border-slate-200">
+                    <div
+                      className="flex items-center gap-3 group/title cursor-pointer flex-1"
+                      onClick={() =>
+                        router.push(
+                          `/category/${category.id}/${sub.subCategory.id}/`,
+                        )
+                      }
+                    >
+                      <div className="w-1.5 h-8 bg-gradient-to-b from-blue-600 to-indigo-600 rounded-full"></div>
+                      <h3 className="text-xl sm:text-2xl font-bold text-slate-900 group-hover/title:text-blue-700 transition-all duration-300">
+                        {sub.subCategory.name}
+                      </h3>
+                      <div className="p-2 bg-slate-100 rounded-lg group-hover/title:bg-blue-100 transition-all duration-300 ml-auto sm:ml-0">
+                        <ChevronRight className="size-5 text-slate-600 group-hover/title:text-blue-600 group-hover/title:translate-x-1 transition-all duration-300" />
+                      </div>
+                    </div>
+                    <span className="inline-flex items-center gap-2 px-4 py-2 bg-blue-50 rounded-full border border-blue-200 ml-4">
+                      <span className="text-sm font-bold text-blue-700">
+                        {sub.products.length}
+                      </span>
+                      <span className="text-sm text-blue-600">mahsulot</span>
+                    </span>
+                  </div>
+
+                  {/* Carousel */}
+                  <div className="relative">
+                    <Carousel
+                      className="w-full"
+                      setApi={(api) => handleSetApi(subId, api)}
+                    >
+                      <CarouselContent className="pr-[12%] sm:pr-0 -ml-3">
+                        {sub.products.map((product) => (
+                          <CarouselItem
+                            key={product.id}
+                            className="pl-3 basis-1/2 sm:basis-1/3 md:basis-1/4 lg:basis-1/5 xl:basis-1/6"
+                          >
+                            <ProductCard product={product} />
+                          </CarouselItem>
+                        ))}
+                      </CarouselContent>
+                    </Carousel>
+
+                    {/* Navigation Buttons */}
+                    <Button
+                      onClick={(e) => {
+                        e.stopPropagation();
+                        scrollNext(subId);
+                      }}
+                      className={cn(
+                        'absolute -top-16 right-4 max-lg:hidden text-white shadow-xl transition-all duration-300 transform hover:scale-110 active:scale-95',
+                        scrollState.next
+                          ? 'bg-gradient-to-br from-blue-600 to-indigo-600 hover:from-blue-700 hover:to-indigo-700'
+                          : 'bg-slate-300 cursor-not-allowed opacity-40',
+                      )}
+                      disabled={!scrollState.next}
+                      size="icon"
+                      aria-label="next products"
+                    >
+                      <ChevronRight className="size-6" />
+                    </Button>
+                    <Button
+                      onClick={(e) => {
+                        e.stopPropagation();
+                        scrollPrev(subId);
+                      }}
+                      className={cn(
+                        'absolute -top-16 right-16 max-lg:hidden text-white shadow-xl transition-all duration-300 transform hover:scale-110 active:scale-95',
+                        scrollState.prev
+                          ? 'bg-gradient-to-br from-blue-600 to-indigo-600 hover:from-blue-700 hover:to-indigo-700'
+                          : 'bg-slate-300 cursor-not-allowed opacity-40',
+                      )}
+                      disabled={!scrollState.prev}
+                      size="icon"
+                      aria-label="previous products"
+                    >
+                      <ChevronLeft className="size-6" />
+                    </Button>
+                  </div>
+                </div>
+              );
+            })}
+          </div>
+        )}
+      </div>
+    </section>
+  );
+});
+
+export default CategoryAccordion;

src/widgets/categories/ui/category-carousel.tsx

@@ -7,16 +7,25 @@ import { cn } from '@/shared/lib/utils';
 import { Button } from '@/shared/ui/button';
 import {
   Carousel,
-  CarouselApi,
   CarouselContent,
   CarouselItem,
+  type CarouselApi,
 } from '@/shared/ui/carousel';
+import { ProductCard } from '@/widgets/categories/ui/product-card';
 import { useQuery } from '@tanstack/react-query';
 import { ChevronLeft, ChevronRight } from 'lucide-react';
-import { useEffect, useRef, useState } from 'react';
+import { memo, useEffect, useRef, useState } from 'react';
-import { ProductCard } from './product-card';
 
-export function CategoryCarousel({ category }: { category: ProductTypes }) {
+//////////////////////////
+/// CategoryCarousel optimized
+//////////////////////////
+interface CategoryCarouselProps {
+  category: ProductTypes;
+}
+
+const CategoryCarousel = memo(function CategoryCarousel({
+  category,
+}: CategoryCarouselProps) {
   const router = useRouter();
   const [api, setApi] = useState<CarouselApi>();
   const [canScrollPrev, setCanScrollPrev] = useState(false);
@@ -24,76 +33,59 @@ export function CategoryCarousel({ category }: { category: ProductTypes }) {
   const [isVisible, setIsVisible] = useState(false);
   const sectionRef = useRef<HTMLElement>(null);
 
-  // Intersection Observer - faqat ko'ringan kategoriyalar uchun API so'rov yuborish
+  // Intersection Observer
   useEffect(() => {
+    if (!sectionRef.current) return;
+
     const observer = new IntersectionObserver(
       (entries) => {
         entries.forEach((entry) => {
           if (entry.isIntersecting) {
             setIsVisible(true);
-            observer.disconnect(); // Bir marta ko'ringandan keyin observer ni o'chirish
+            observer.disconnect();
           }
         });
       },
-      {
+      { rootMargin: '100px', threshold: 0.1 },
-        rootMargin: '100px', // Sahifa 100px yaqinlashganda yuklash
-        threshold: 0.1,
-      },
     );
 
-    if (sectionRef.current) {
     observer.observe(sectionRef.current);
-    }
-
     return () => observer.disconnect();
   }, []);
 
+  // Carousel buttons
   useEffect(() => {
     if (!api) return;
-
     const updateButtons = () => {
       setCanScrollPrev(api.canScrollPrev());
       setCanScrollNext(api.canScrollNext());
     };
-
     updateButtons();
     api.on('select', updateButtons);
     api.on('reInit', updateButtons);
-
     return () => {
       api.off('select', updateButtons);
       api.off('reInit', updateButtons);
     };
   }, [api]);
 
-  const scrollPrev = () => {
+  const scrollPrev = () => api?.scrollPrev();
-    if (api) {
+  const scrollNext = () => api?.scrollNext();
-      api?.scrollPrev();
-    }
-  };
 
-  const scrollNext = () => {
+  // React Query
-    if (api) {
-      api?.scrollNext();
-    }
-  };
-
-  // Faqat ko'ringanda API so'rov yuborish
   const { data: product, isLoading } = useQuery({
     queryKey: ['product_list', category.id],
     queryFn: () =>
       product_api.list({
         page: 1,
         page_size: 16,
-        product_type_id: category.id,
+        category_id: category.id,
       }),
-    select(data) {
+    select: (data) => data.data,
-      return data.data;
+    enabled: isVisible,
-    },
-    enabled: isVisible, // Faqat ko'ringanda ishga tushadi
   });
 
-  // Agar hali ko'rinmagan bo'lsa, bo'sh div qaytarish (scroll uchun joy)
+  // Shartli renderlar
   if (!isVisible) {
     return (
       <section
@@ -103,22 +95,12 @@ export function CategoryCarousel({ category }: { category: ProductTypes }) {
     );
   }
 
-  // Agar loading bo'lmasa va mahsulotlar bo'lmasa, hech narsa ko'rsatmaymiz
+  if (!isLoading && (!product || product.results.length === 0)) return null;
-  if (!isLoading && (!product || product.results.length === 0)) {
-    return null;
-  }
 
-  // Agar loading bo'lmasa va faqat "active" mahsulotlar bo'lmasa ham ko'rsatmaymiz
+  const activeProducts = product?.results.filter((p) => p.state === 'A') ?? [];
-  if (!isLoading && product) {
+  if (!isLoading && activeProducts.length === 0) return null;
-    const activeProducts = product.results.filter((p) => p.state === 'A');
-    if (activeProducts.length === 0) {
-      return null;
-    }
-  }
 
-  if (isLoading) {
+  if (isLoading) return null;
-    return null;
-  }
 
   return (
     <section
@@ -141,11 +123,7 @@ export function CategoryCarousel({ category }: { category: ProductTypes }) {
 
       <Carousel className="w-full mt-2" setApi={setApi}>
         <CarouselContent className="pr-[12%] sm:pr-0">
-          {product &&
+          {activeProducts.map((product) => (
-            !isLoading &&
-            product.results
-              .filter((product) => product.state === 'A')
-              .map((product) => (
             <CarouselItem
               key={product.id}
               className="basis-1/2 sm:basis-1/3 md:basis-1/4 lg:basis-1/5 xl:basis-1/6 pb-2"
@@ -155,6 +133,7 @@ export function CategoryCarousel({ category }: { category: ProductTypes }) {
           ))}
         </CarouselContent>
       </Carousel>
+
       <Button
         onClick={scrollNext}
         className={cn(
@@ -177,7 +156,6 @@ export function CategoryCarousel({ category }: { category: ProductTypes }) {
             ? 'bg-green-600 hover:bg-green-600/70'
             : 'bg-green-600/50 cursor-not-allowed',
         )}
-        aria-label="prev images"
         disabled={!canScrollPrev}
         size="icon"
       >
@@ -185,4 +163,6 @@ export function CategoryCarousel({ category }: { category: ProductTypes }) {
       </Button>
     </section>
   );
-}
+});
+
+export default CategoryCarousel;

src/widgets/welcome/ui/index.tsx

@@ -16,7 +16,7 @@ import {
   type CarouselApi,
 } from '@/shared/ui/carousel';
 import { Skeleton } from '@/shared/ui/skeleton';
-import { CategoryCarousel } from '@/widgets/categories/ui/category-carousel';
+import CategoryCarousel from '@/widgets/categories/ui/category-carousel';
 import { ProductCard } from '@/widgets/categories/ui/product-card';
 import { useQuery } from '@tanstack/react-query';
 import { AlertCircle, ChevronLeft, ChevronRight } from 'lucide-react';
@@ -241,7 +241,7 @@ const Welcome = () => {
                   </CarouselItem>
                 ))}
           </CarouselContent>
-        </Carousel>{' '}
+        </Carousel>
         <Button
           onClick={scrollNextPro}
           className={cn(
@@ -273,11 +273,7 @@ const Welcome = () => {
       </section>
 
       {category &&
-        category.map((e) =>
+        category.map((e) => <CategoryCarousel category={e} key={e.id} />)}
-          e.product_types.map((c) => (
-            <CategoryCarousel category={c} key={c.id} />
-          )),
-        )}
     </>
   );
 };