diff --git a/src/hooks/useProductDetail.ts b/src/hooks/useProductDetail.ts
index 1db5cee..dd0c4d7 100644
--- a/src/hooks/useProductDetail.ts
+++ b/src/hooks/useProductDetail.ts
@@ -1,37 +1,196 @@
-import { useState, useEffect } from "react";
+"use client";
 
-export interface Product {
-  id: string;
-  name: string;
-  price: number;
-  category: string;
-  description?: string;
+import { useState, useMemo, useCallback } from "react";
+import { useProduct } from "./useProduct";
+import type { Product } from "@/lib/api/product";
+import type { ProductVariant } from "@/components/ecommerce/productDetail/ProductDetailCard";
+import type { ExtendedCartItem } from "./useCart";
+
+interface ProductImage {
+    src: string;
+    alt: string;
 }
 
-export const useProductDetail = (productId: string | undefined) => {
-  const [product, setProduct] = useState<Product | null>(null);
-  const [isLoading, setIsLoading] = useState(true);
-  const [error, setError] = useState<string | null>(null);
+interface ProductMeta {
+    salePrice?: string;
+    ribbon?: string;
+    inventoryStatus?: string;
+    inventoryQuantity?: number;
+    sku?: string;
+}
 
-  useEffect(() => {
-    if (!productId) return;
+export function useProductDetail(productId: string) {
+    const { product, isLoading, error } = useProduct(productId);
+    const [selectedQuantity, setSelectedQuantity] = useState(1);
+    const [selectedVariants, setSelectedVariants] = useState<Record<string, string>>({});
 
-    const fetchProduct = async () => {
-      try {
-        setIsLoading(true);
-        // Simulate API call
-        await new Promise((resolve) => setTimeout(resolve, 500));
-        // Product would be fetched here
-        setProduct(null);
-      } catch (err) {
-        setError(err instanceof Error ? err.message : "Failed to load product");
-      } finally {
-        setIsLoading(false);
-      }
+    const images = useMemo<ProductImage[]>(() => {
+        if (!product) return [];
+
+        if (product.images && product.images.length > 0) {
+            return product.images.map((src, index) => ({
+                src,
+                alt: product.imageAlt || `${product.name} - Image ${index + 1}`,
+            }));
+        }
+        return [{
+            src: product.imageSrc,
+            alt: product.imageAlt || product.name,
+        }];
+    }, [product]);
+
+    const meta = useMemo<ProductMeta>(() => {
+        if (!product?.metadata) return {};
+
+        const metadata = product.metadata;
+
+        let salePrice: string | undefined;
+        const onSaleValue = metadata.onSale;
+        const onSale = String(onSaleValue) === "true" || onSaleValue === 1 || String(onSaleValue) === "1";
+        const salePriceValue = metadata.salePrice;
+
+        if (onSale && salePriceValue !== undefined && salePriceValue !== null) {
+            if (typeof salePriceValue === 'number') {
+                salePrice = `$${salePriceValue.toFixed(2)}`;
+            } else {
+                const salePriceStr = String(salePriceValue);
+                salePrice = salePriceStr.startsWith('$') ? salePriceStr : `$${salePriceStr}`;
+            }
+        }
+
+        let inventoryQuantity: number | undefined;
+        if (metadata.inventoryQuantity !== undefined) {
+            const qty = metadata.inventoryQuantity;
+            inventoryQuantity = typeof qty === 'number' ? qty : parseInt(String(qty), 10);
+        }
+
+        return {
+            salePrice,
+            ribbon: metadata.ribbon ? String(metadata.ribbon) : undefined,
+            inventoryStatus: metadata.inventoryStatus ? String(metadata.inventoryStatus) : undefined,
+            inventoryQuantity,
+            sku: metadata.sku ? String(metadata.sku) : undefined,
+        };
+    }, [product]);
+
+    const variants = useMemo<ProductVariant[]>(() => {
+        if (!product) return [];
+
+        const variantList: ProductVariant[] = [];
+
+        if (product.metadata?.variantOptions) {
+            try {
+                const variantOptionsStr = String(product.metadata.variantOptions);
+                const parsedOptions = JSON.parse(variantOptionsStr);
+
+                if (Array.isArray(parsedOptions)) {
+                    parsedOptions.forEach((option: any) => {
+                        if (option.name && option.values) {
+                            const values = typeof option.values === 'string'
+                                ? option.values.split(',').map((v: string) => v.trim())
+                                : Array.isArray(option.values)
+                                    ? option.values.map((v: any) => String(v).trim())
+                                    : [String(option.values)];
+
+                            if (values.length > 0) {
+                                const optionLabel = option.name;
+                                const currentSelected = selectedVariants[optionLabel] || values[0];
+
+                                variantList.push({
+                                    label: optionLabel,
+                                    options: values,
+                                    selected: currentSelected,
+                                    onChange: (value) => {
+                                        setSelectedVariants((prev) => ({
+                                            ...prev,
+                                            [optionLabel]: value,
+                                        }));
+                                    },
+                                });
+                            }
+                        }
+                    });
+                }
+            } catch (error) {
+                console.warn("Failed to parse variantOptions:", error);
+            }
+        }
+
+        if (variantList.length === 0 && product.brand) {
+            variantList.push({
+                label: "Brand",
+                options: [product.brand],
+                selected: product.brand,
+                onChange: () => { },
+            });
+        }
+
+        if (variantList.length === 0 && product.variant) {
+            const variantOptions = product.variant.includes('/')
+                ? product.variant.split('/').map(v => v.trim())
+                : [product.variant];
+
+            const variantLabel = "Variant";
+            const currentSelected = selectedVariants[variantLabel] || variantOptions[0];
+
+            variantList.push({
+                label: variantLabel,
+                options: variantOptions,
+                selected: currentSelected,
+                onChange: (value) => {
+                    setSelectedVariants((prev) => ({
+                        ...prev,
+                        [variantLabel]: value,
+                    }));
+                },
+            });
+        }
+
+        return variantList;
+    }, [product, selectedVariants]);
+
+    const quantityVariant = useMemo<ProductVariant>(() => ({
+        label: "Quantity",
+        options: Array.from({ length: 10 }, (_, i) => String(i + 1)),
+        selected: String(selectedQuantity),
+        onChange: (value) => setSelectedQuantity(parseInt(value, 10)),
+    }), [selectedQuantity]);
+
+    const createCartItem = useCallback((): ExtendedCartItem | null => {
+        if (!product) return null;
+
+        const variantStrings = Object.entries(selectedVariants).map(
+            ([label, value]) => `${label}: ${value}`
+        );
+
+        if (variantStrings.length === 0 && product.variant) {
+            variantStrings.push(`Variant: ${product.variant}`);
+        }
+
+        const variantId = Object.values(selectedVariants).join('-') || 'default';
+
+        return {
+            id: `${product.id}-${variantId}-${selectedQuantity}`,
+            productId: product.id,
+            name: product.name,
+            variants: variantStrings,
+            price: product.price,
+            quantity: selectedQuantity,
+            imageSrc: product.imageSrc,
+            imageAlt: product.imageAlt || product.name,
+        };
+    }, [product, selectedVariants, selectedQuantity]);
+
+    return {
+        product,
+        isLoading,
+        error,
+        images,
+        meta,
+        variants,
+        quantityVariant,
+        selectedQuantity,
+        selectedVariants,
+        createCartItem,
     };
-
-    fetchProduct();
-  }, [productId]);
-
-  return { product, isLoading, error };
-};
+}