feat: implement wishlist feature with admin toggle

- Add WishlistController with full CRUD API
- Create wishlist page in My Account
- Add heart icon to all product card layouts (always visible)
- Implement useWishlist hook for state management
- Add wishlist toggle in admin Settings > Customer
- Fix wishlist menu visibility based on admin settings
- Fix double navigation in wishlist page
- Fix variable product navigation to use React Router
- Add TypeScript type casting fix for addresses

admin-spa/src/routes/Settings/Customers.tsx

@@ -13,6 +13,7 @@ import { formatMoney, getStoreCurrency } from '@/lib/currency';
 interface CustomerSettings {
   auto_register_members: boolean;
   multiple_addresses_enabled: boolean;
+  wishlist_enabled: boolean;
   vip_min_spent: number;
   vip_min_orders: number;
   vip_timeframe: 'all' | '30' | '90' | '365';
@@ -24,6 +25,7 @@ export default function CustomersSettings() {
   const [settings, setSettings] = useState<CustomerSettings>({
     auto_register_members: false,
     multiple_addresses_enabled: true,
+    wishlist_enabled: true,
     vip_min_spent: 1000,
     vip_min_orders: 10,
     vip_timeframe: 'all',
@@ -137,6 +139,14 @@ export default function CustomersSettings() {
             checked={settings.multiple_addresses_enabled}
             onCheckedChange={(checked) => setSettings({ ...settings, multiple_addresses_enabled: checked })}
           />
+          
+          <ToggleField
+            id="wishlist_enabled"
+            label={__('Enable wishlist')}
+            description={__('Allow customers to save products to their wishlist for later purchase. Customers can add products to wishlist from product cards and manage them in their account.')}
+            checked={settings.wishlist_enabled}
+            onCheckedChange={(checked) => setSettings({ ...settings, wishlist_enabled: checked })}
+          />
         </div>
       </SettingsCard>
 

customer-spa/src/components/ProductCard.tsx

@@ -1,10 +1,11 @@
 import React from 'react';
-import { Link } from 'react-router-dom';
+import { Link, useNavigate } from 'react-router-dom';
 import { ShoppingCart, Heart } from 'lucide-react';
 import { formatPrice, formatDiscount } from '@/lib/currency';
 import { Button } from './ui/button';
 import { useLayout } from '@/contexts/ThemeContext';
 import { useShopSettings } from '@/hooks/useAppearanceSettings';
+import { useWishlist } from '@/hooks/useWishlist';
 
 interface ProductCardProps {
   product: {
@@ -23,8 +24,18 @@ interface ProductCardProps {
 }
 
 export function ProductCard({ product, onAddToCart }: ProductCardProps) {
+  const navigate = useNavigate();
   const { isClassic, isModern, isBoutique, isLaunch } = useLayout();
   const { layout, elements, addToCart, saleBadge, isLoading } = useShopSettings();
+  const { isEnabled: wishlistEnabled, isInWishlist, toggleWishlist } = useWishlist();
+  
+  const inWishlist = wishlistEnabled && isInWishlist(product.id);
+  
+  const handleWishlistClick = async (e: React.MouseEvent) => {
+    e.preventDefault();
+    e.stopPropagation();
+    await toggleWishlist(product.id);
+  };
   
   // Aspect ratio classes
   const aspectRatioClass = {
@@ -41,7 +52,7 @@ export function ProductCard({ product, onAddToCart }: ProductCardProps) {
     
     // Variable products need to go to product page for attribute selection
     if (isVariable) {
-      window.location.href = `/product/${product.slug}`;
+      navigate(`/product/${product.slug}`);
       return;
     }
     
@@ -130,12 +141,22 @@ export function ProductCard({ product, onAddToCart }: ProductCardProps) {
               </div>
             )}
             
-            {/* Quick Actions */}
+            {/* Wishlist Button */}
-            <div className="absolute top-2 left-2 opacity-0 group-hover:opacity-100 transition-opacity">
+            {wishlistEnabled && (
-              <button className="font-[inherit] p-2 bg-white rounded-full shadow-md hover:bg-gray-50 flex items-center justify-center">
+              <div className="absolute top-2 left-2 z-10">
-                <Heart className="w-4 h-4 block" />
+                <button 
+                  onClick={handleWishlistClick}
+                  className={`font-[inherit] p-2 rounded-full shadow-md hover:bg-gray-50 flex items-center justify-center transition-all ${
+                    inWishlist ? 'bg-red-50' : 'bg-white'
+                  }`}
+                  title={inWishlist ? 'Remove from wishlist' : 'Add to wishlist'}
+                >
+                  <Heart className={`w-4 h-4 block transition-all ${
+                    inWishlist ? 'fill-red-500 text-red-500' : ''
+                  }`} />
                 </button>
               </div>
+            )}
             
             {/* Hover/Overlay Button */}
             {showButtonOnHover && (
@@ -224,6 +245,23 @@ export function ProductCard({ product, onAddToCart }: ProductCardProps) {
               </div>
             )}
             
+            {/* Wishlist Button */}
+            {wishlistEnabled && (
+              <div className="absolute top-4 right-4 z-10">
+                <button 
+                  onClick={handleWishlistClick}
+                  className={`font-[inherit] p-2 rounded-full shadow-md hover:bg-gray-50 flex items-center justify-center transition-all ${
+                    inWishlist ? 'bg-red-50' : 'bg-white'
+                  }`}
+                  title={inWishlist ? 'Remove from wishlist' : 'Add to wishlist'}
+                >
+                  <Heart className={`w-4 h-4 block transition-all ${
+                    inWishlist ? 'fill-red-500 text-red-500' : ''
+                  }`} />
+                </button>
+              </div>
+            )}
+            
             {/* Hover Overlay - Only show if position is hover/overlay */}
             {showButtonOnHover && (
               <div className="absolute inset-0 bg-black bg-opacity-0 group-hover:bg-opacity-10 transition-all duration-300 flex items-center justify-center">
@@ -326,6 +364,23 @@ export function ProductCard({ product, onAddToCart }: ProductCardProps) {
                 {discount}
               </div>
             )}
+            
+            {/* Wishlist Button */}
+            {wishlistEnabled && (
+              <div className="absolute top-6 left-6 z-10">
+                <button 
+                  onClick={handleWishlistClick}
+                  className={`font-[inherit] p-2 rounded-full shadow-md hover:bg-gray-50 flex items-center justify-center transition-all ${
+                    inWishlist ? 'bg-red-50' : 'bg-white'
+                  }`}
+                  title={inWishlist ? 'Remove from wishlist' : 'Add to wishlist'}
+                >
+                  <Heart className={`w-4 h-4 block transition-all ${
+                    inWishlist ? 'fill-red-500 text-red-500' : ''
+                  }`} />
+                </button>
+              </div>
+            )}
           </div>
           
           {/* Content */}
@@ -383,6 +438,23 @@ export function ProductCard({ product, onAddToCart }: ProductCardProps) {
               No Image
             </div>
           )}
+          
+          {/* Wishlist Button */}
+          {wishlistEnabled && (
+            <div className="absolute top-3 right-3 z-10">
+              <button 
+                onClick={handleWishlistClick}
+                className={`font-[inherit] p-2 rounded-full shadow-md hover:bg-gray-50 flex items-center justify-center transition-all ${
+                  inWishlist ? 'bg-red-50' : 'bg-white'
+                }`}
+                title={inWishlist ? 'Remove from wishlist' : 'Add to wishlist'}
+              >
+                <Heart className={`w-4 h-4 block transition-all ${
+                  inWishlist ? 'fill-red-500 text-red-500' : ''
+                }`} />
+              </button>
+            </div>
+          )}
         </div>
         
         <div className="p-4 text-center">

customer-spa/src/hooks/useWishlist.ts

@@ -0,0 +1,111 @@
+import { useState, useEffect, useCallback } from 'react';
+import { api } from '@/lib/api/client';
+import { toast } from 'sonner';
+
+interface WishlistItem {
+  product_id: number;
+  name: string;
+  slug: string;
+  price: string;
+  regular_price?: string;
+  sale_price?: string;
+  image?: string;
+  on_sale?: boolean;
+  stock_status?: string;
+  type?: string;
+  added_at: string;
+}
+
+export function useWishlist() {
+  const [items, setItems] = useState<WishlistItem[]>([]);
+  const [isLoading, setIsLoading] = useState(false);
+  const [productIds, setProductIds] = useState<Set<number>>(new Set());
+  
+  // Check if wishlist is enabled
+  const isEnabled = (window as any).woonoowCustomer?.settings?.wishlist_enabled !== false;
+  const isLoggedIn = (window as any).woonoowCustomer?.user?.isLoggedIn;
+
+  // Load wishlist on mount
+  useEffect(() => {
+    if (isEnabled && isLoggedIn) {
+      loadWishlist();
+    }
+  }, [isEnabled, isLoggedIn]);
+
+  const loadWishlist = useCallback(async () => {
+    if (!isLoggedIn) return;
+    
+    try {
+      setIsLoading(true);
+      const data = await api.get<WishlistItem[]>('/account/wishlist');
+      setItems(data);
+      setProductIds(new Set(data.map(item => item.product_id)));
+    } catch (error) {
+      console.error('Failed to load wishlist:', error);
+    } finally {
+      setIsLoading(false);
+    }
+  }, [isLoggedIn]);
+
+  const addToWishlist = useCallback(async (productId: number) => {
+    if (!isLoggedIn) {
+      toast.error('Please login to add items to wishlist');
+      return false;
+    }
+
+    try {
+      await api.post('/account/wishlist', { product_id: productId });
+      await loadWishlist(); // Reload to get full product details
+      toast.success('Added to wishlist');
+      return true;
+    } catch (error: any) {
+      const message = error?.message || 'Failed to add to wishlist';
+      toast.error(message);
+      return false;
+    }
+  }, [isLoggedIn, loadWishlist]);
+
+  const removeFromWishlist = useCallback(async (productId: number) => {
+    if (!isLoggedIn) return false;
+
+    try {
+      await api.delete(`/account/wishlist/${productId}`);
+      setItems(items.filter(item => item.product_id !== productId));
+      setProductIds(prev => {
+        const newSet = new Set(prev);
+        newSet.delete(productId);
+        return newSet;
+      });
+      toast.success('Removed from wishlist');
+      return true;
+    } catch (error) {
+      toast.error('Failed to remove from wishlist');
+      return false;
+    }
+  }, [isLoggedIn, items]);
+
+  const toggleWishlist = useCallback(async (productId: number) => {
+    if (productIds.has(productId)) {
+      return await removeFromWishlist(productId);
+    } else {
+      return await addToWishlist(productId);
+    }
+  }, [productIds, addToWishlist, removeFromWishlist]);
+
+  const isInWishlist = useCallback((productId: number) => {
+    return productIds.has(productId);
+  }, [productIds]);
+
+  return {
+    items,
+    isLoading,
+    isEnabled,
+    isLoggedIn,
+    count: items.length,
+    addToWishlist,
+    removeFromWishlist,
+    toggleWishlist,
+    isInWishlist,
+    refresh: loadWishlist,
+  };
+}

customer-spa/src/pages/Account/Wishlist.tsx

@@ -0,0 +1,213 @@
+import React, { useState, useEffect } from 'react';
+import { useNavigate } from 'react-router-dom';
+import { Heart, ShoppingCart, Trash2, X } from 'lucide-react';
+import { api } from '@/lib/api/client';
+import { useCartStore } from '@/lib/cart/store';
+import { Button } from '@/components/ui/button';
+import { formatPrice } from '@/lib/currency';
+import { toast } from 'sonner';
+
+interface WishlistItem {
+  product_id: number;
+  name: string;
+  slug: string;
+  price: string;
+  regular_price?: string;
+  sale_price?: string;
+  image?: string;
+  on_sale?: boolean;
+  stock_status?: string;
+  type?: string;
+  added_at: string;
+}
+
+export default function Wishlist() {
+  const navigate = useNavigate();
+  const { addItem } = useCartStore();
+  const [items, setItems] = useState<WishlistItem[]>([]);
+  const [loading, setLoading] = useState(true);
+
+  useEffect(() => {
+    loadWishlist();
+  }, []);
+
+  const loadWishlist = async () => {
+    try {
+      const data = await api.get<WishlistItem[]>('/account/wishlist');
+      setItems(data);
+    } catch (error) {
+      console.error('Failed to load wishlist:', error);
+      toast.error('Failed to load wishlist');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleRemove = async (productId: number) => {
+    try {
+      await api.delete(`/account/wishlist/${productId}`);
+      setItems(items.filter(item => item.product_id !== productId));
+      toast.success('Removed from wishlist');
+    } catch (error) {
+      console.error('Failed to remove from wishlist:', error);
+      toast.error('Failed to remove from wishlist');
+    }
+  };
+
+  const handleAddToCart = async (item: WishlistItem) => {
+    if (item.type === 'variable') {
+      navigate(`/product/${item.slug}`);
+      return;
+    }
+
+    try {
+      const response = await api.post('/cart/add', {
+        product_id: item.product_id,
+        quantity: 1,
+      });
+      toast.success('Added to cart');
+    } catch (error) {
+      console.error('Failed to add to cart:', error);
+      toast.error('Failed to add to cart');
+    }
+  };
+
+  const handleClearAll = async () => {
+    if (!confirm('Are you sure you want to clear your entire wishlist?')) {
+      return;
+    }
+
+    try {
+      await api.post('/account/wishlist/clear', {});
+      setItems([]);
+      toast.success('Wishlist cleared');
+    } catch (error) {
+      console.error('Failed to clear wishlist:', error);
+      toast.error('Failed to clear wishlist');
+    }
+  };
+
+  if (loading) {
+    return (
+      <div className="flex items-center justify-center py-12">
+        <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-primary"></div>
+      </div>
+    );
+  }
+
+  return (
+    <div>
+      {/* Header */}
+      <div className="flex items-center justify-between mb-6">
+          <div>
+            <h1 className="text-2xl font-bold">My Wishlist</h1>
+            <p className="text-gray-600 text-sm mt-1">
+              {items.length} {items.length === 1 ? 'item' : 'items'}
+            </p>
+          </div>
+          {items.length > 0 && (
+            <Button
+              variant="outline"
+              size="sm"
+              onClick={handleClearAll}
+              className="text-red-600 hover:text-red-700 hover:border-red-600"
+            >
+              <Trash2 className="w-4 h-4 mr-2" />
+              Clear All
+            </Button>
+          )}
+        </div>
+
+        {/* Empty State */}
+        {items.length === 0 ? (
+          <div className="text-center py-16 bg-white border rounded-lg">
+            <Heart className="w-16 h-16 mx-auto text-gray-300 mb-4" />
+            <h2 className="text-xl font-semibold mb-2">Your wishlist is empty</h2>
+            <p className="text-gray-600 mb-6">
+              Save your favorite products to buy them later
+            </p>
+            <Button onClick={() => navigate('/shop')}>
+              Browse Products
+            </Button>
+          </div>
+        ) : (
+          /* Wishlist Grid */
+          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
+            {items.map((item) => (
+              <div
+                key={item.product_id}
+                className="bg-white border rounded-lg overflow-hidden hover:shadow-lg transition-shadow group"
+              >
+                {/* Image */}
+                <div className="relative aspect-square bg-gray-100">
+                  <button
+                    onClick={() => handleRemove(item.product_id)}
+                    className="absolute top-3 right-3 z-10 p-2 bg-white rounded-full shadow-md hover:bg-red-50 transition-colors"
+                    title="Remove from wishlist"
+                  >
+                    <X className="w-4 h-4 text-red-600" />
+                  </button>
+                  
+                  <img
+                    src={item.image || '/placeholder.png'}
+                    alt={item.name}
+                    className="w-full h-full object-cover cursor-pointer"
+                    onClick={() => navigate(`/product/${item.slug}`)}
+                  />
+                  
+                  {item.on_sale && (
+                    <div className="absolute top-3 left-3 bg-red-600 text-white text-xs font-bold px-2 py-1 rounded">
+                      SALE
+                    </div>
+                  )}
+                </div>
+
+                {/* Content */}
+                <div className="p-4">
+                  <h3
+                    className="font-medium text-gray-900 mb-2 line-clamp-2 cursor-pointer hover:text-primary transition-colors"
+                    onClick={() => navigate(`/product/${item.slug}`)}
+                  >
+                    {item.name}
+                  </h3>
+
+                  {/* Price */}
+                  <div className="flex items-center gap-2 mb-4">
+                    {item.on_sale && item.regular_price ? (
+                      <>
+                        <span className="text-lg font-bold text-primary">
+                          {formatPrice(item.sale_price || item.price)}
+                        </span>
+                        <span className="text-sm text-gray-500 line-through">
+                          {formatPrice(item.regular_price)}
+                        </span>
+                      </>
+                    ) : (
+                      <span className="text-lg font-bold text-gray-900">
+                        {formatPrice(item.price)}
+                      </span>
+                    )}
+                  </div>
+
+                  {/* Actions */}
+                  <Button
+                    onClick={() => handleAddToCart(item)}
+                    disabled={item.stock_status === 'outofstock'}
+                    className="w-full"
+                    size="sm"
+                  >
+                    <ShoppingCart className="w-4 h-4 mr-2" />
+                    {item.stock_status === 'outofstock'
+                      ? 'Out of Stock'
+                      : item.type === 'variable'
+                      ? 'Select Options'
+                      : 'Add to Cart'}
+                  </Button>
+                </div>
+              </div>
+            ))}
+          </div>
+        )}
+    </div>
+  );
+}

customer-spa/src/pages/Account/components/AccountLayout.tsx

@@ -1,6 +1,6 @@
 import React, { ReactNode } from 'react';
 import { Link, useLocation } from 'react-router-dom';
-import { LayoutDashboard, ShoppingBag, Download, MapPin, User, LogOut } from 'lucide-react';
+import { LayoutDashboard, ShoppingBag, Download, MapPin, Heart, User, LogOut } from 'lucide-react';
 
 interface AccountLayoutProps {
   children: ReactNode;
@@ -9,15 +9,22 @@ interface AccountLayoutProps {
 export function AccountLayout({ children }: AccountLayoutProps) {
   const location = useLocation();
   const user = (window as any).woonoowCustomer?.user;
+  const wishlistEnabled = (window as any).woonoowCustomer?.settings?.wishlist_enabled !== false;
   
-  const menuItems = [
+  const allMenuItems = [
     { id: 'dashboard', label: 'Dashboard', path: '/my-account', icon: LayoutDashboard },
     { id: 'orders', label: 'Orders', path: '/my-account/orders', icon: ShoppingBag },
     { id: 'downloads', label: 'Downloads', path: '/my-account/downloads', icon: Download },
     { id: 'addresses', label: 'Addresses', path: '/my-account/addresses', icon: MapPin },
+    { id: 'wishlist', label: 'Wishlist', path: '/my-account/wishlist', icon: Heart },
     { id: 'account-details', label: 'Account Details', path: '/my-account/account-details', icon: User },
   ];
   
+  // Filter out wishlist if disabled
+  const menuItems = allMenuItems.filter(item => 
+    item.id !== 'wishlist' || wishlistEnabled
+  );
+
   const handleLogout = () => {
     window.location.href = '/wp-login.php?action=logout';
   };

customer-spa/src/pages/Account/index.tsx

@@ -7,6 +7,7 @@ import Orders from './Orders';
 import OrderDetails from './OrderDetails';
 import Downloads from './Downloads';
 import Addresses from './Addresses';
+import Wishlist from './Wishlist';
 import AccountDetails from './AccountDetails';
 
 export default function Account() {
@@ -27,6 +28,7 @@ export default function Account() {
           <Route path="orders/:orderId" element={<OrderDetails />} />
           <Route path="downloads" element={<Downloads />} />
           <Route path="addresses" element={<Addresses />} />
+          <Route path="wishlist" element={<Wishlist />} />
           <Route path="account-details" element={<AccountDetails />} />
           <Route path="*" element={<Navigate to="/my-account" replace />} />
         </Routes>

includes/Api/Routes.php

@@ -25,6 +25,7 @@ use WooNooW\Frontend\ShopController;
 use WooNooW\Frontend\CartController as FrontendCartController;
 use WooNooW\Frontend\AccountController;
 use WooNooW\Frontend\AddressController;
+use WooNooW\Frontend\WishlistController;
 use WooNooW\Frontend\HookBridge;
 use WooNooW\Api\Controllers\SettingsController;
 use WooNooW\Api\Controllers\CartController as ApiCartController;
@@ -127,6 +128,7 @@ class Routes {
             FrontendCartController::register_routes();
             AccountController::register_routes();
             AddressController::register_routes();
+            WishlistController::register_routes();
             HookBridge::register_routes();
         });
     }

includes/Compat/CustomerSettingsProvider.php

@@ -21,6 +21,7 @@ class CustomerSettingsProvider {
 			// General
 			'auto_register_members' => get_option('woonoow_auto_register_members', 'no') === 'yes',
 			'multiple_addresses_enabled' => get_option('woonoow_multiple_addresses_enabled', 'yes') === 'yes',
+			'wishlist_enabled' => get_option('woonoow_wishlist_enabled', 'yes') === 'yes',
 			
 			// VIP Customer Qualification
 			'vip_min_spent' => floatval(get_option('woonoow_vip_min_spent', 1000)),
@@ -49,6 +50,10 @@ class CustomerSettingsProvider {
 			$updated = $updated && update_option('woonoow_multiple_addresses_enabled', $settings['multiple_addresses_enabled'] ? 'yes' : 'no');
 		}
 		
+		if (isset($settings['wishlist_enabled'])) {
+			$updated = $updated && update_option('woonoow_wishlist_enabled', $settings['wishlist_enabled'] ? 'yes' : 'no');
+		}
+		
 		// VIP settings
 		if (isset($settings['vip_min_spent'])) {
 			$updated = $updated && update_option('woonoow_vip_min_spent', floatval($settings['vip_min_spent']));

includes/Frontend/WishlistController.php

@@ -0,0 +1,176 @@
+<?php
+namespace WooNooW\Frontend;
+
+use WP_REST_Request;
+use WP_REST_Response;
+use WP_Error;
+
+class WishlistController {
+    
+    /**
+     * Register REST API routes
+     */
+    public static function register_routes() {
+        $namespace = 'woonoow/v1';
+        
+        // Get wishlist
+        register_rest_route($namespace, '/account/wishlist', [
+            'methods'             => 'GET',
+            'callback'            => [__CLASS__, 'get_wishlist'],
+            'permission_callback' => [__CLASS__, 'check_permission'],
+        ]);
+        
+        // Add to wishlist
+        register_rest_route($namespace, '/account/wishlist', [
+            'methods'             => 'POST',
+            'callback'            => [__CLASS__, 'add_to_wishlist'],
+            'permission_callback' => [__CLASS__, 'check_permission'],
+            'args'                => [
+                'product_id' => [
+                    'required'          => true,
+                    'type'              => 'integer',
+                    'sanitize_callback' => 'absint',
+                ],
+            ],
+        ]);
+        
+        // Remove from wishlist
+        register_rest_route($namespace, '/account/wishlist/(?P<product_id>\d+)', [
+            'methods'             => 'DELETE',
+            'callback'            => [__CLASS__, 'remove_from_wishlist'],
+            'permission_callback' => [__CLASS__, 'check_permission'],
+        ]);
+        
+        // Clear wishlist
+        register_rest_route($namespace, '/account/wishlist/clear', [
+            'methods'             => 'POST',
+            'callback'            => [__CLASS__, 'clear_wishlist'],
+            'permission_callback' => [__CLASS__, 'check_permission'],
+        ]);
+    }
+    
+    /**
+     * Check if user is logged in
+     */
+    public static function check_permission() {
+        return is_user_logged_in();
+    }
+    
+    /**
+     * Get wishlist items with product details
+     */
+    public static function get_wishlist(WP_REST_Request $request) {
+        $user_id = get_current_user_id();
+        $wishlist = get_user_meta($user_id, 'woonoow_wishlist', true);
+        
+        if (!$wishlist || !is_array($wishlist)) {
+            return new WP_REST_Response([], 200);
+        }
+        
+        $items = [];
+        foreach ($wishlist as $item) {
+            $product_id = $item['product_id'];
+            $product = wc_get_product($product_id);
+            
+            if (!$product) {
+                continue; // Skip if product doesn't exist
+            }
+            
+            $items[] = [
+                'product_id'   => $product_id,
+                'name'         => $product->get_name(),
+                'slug'         => $product->get_slug(),
+                'price'        => $product->get_price(),
+                'regular_price'=> $product->get_regular_price(),
+                'sale_price'   => $product->get_sale_price(),
+                'image'        => wp_get_attachment_url($product->get_image_id()),
+                'on_sale'      => $product->is_on_sale(),
+                'stock_status' => $product->get_stock_status(),
+                'type'         => $product->get_type(),
+                'added_at'     => $item['added_at'],
+            ];
+        }
+        
+        return new WP_REST_Response($items, 200);
+    }
+    
+    /**
+     * Add product to wishlist
+     */
+    public static function add_to_wishlist(WP_REST_Request $request) {
+        $user_id = get_current_user_id();
+        $product_id = $request->get_param('product_id');
+        
+        // Validate product exists
+        $product = wc_get_product($product_id);
+        if (!$product) {
+            return new WP_Error('invalid_product', 'Product not found', ['status' => 404]);
+        }
+        
+        $wishlist = get_user_meta($user_id, 'woonoow_wishlist', true);
+        if (!is_array($wishlist)) {
+            $wishlist = [];
+        }
+        
+        // Check if already in wishlist
+        foreach ($wishlist as $item) {
+            if ($item['product_id'] === $product_id) {
+                return new WP_Error('already_in_wishlist', 'Product already in wishlist', ['status' => 400]);
+            }
+        }
+        
+        // Add to wishlist
+        $wishlist[] = [
+            'product_id' => $product_id,
+            'added_at'   => current_time('mysql'),
+        ];
+        
+        update_user_meta($user_id, 'woonoow_wishlist', $wishlist);
+        
+        return new WP_REST_Response([
+            'message' => 'Product added to wishlist',
+            'count'   => count($wishlist),
+        ], 200);
+    }
+    
+    /**
+     * Remove product from wishlist
+     */
+    public static function remove_from_wishlist(WP_REST_Request $request) {
+        $user_id = get_current_user_id();
+        $product_id = (int) $request->get_param('product_id');
+        
+        $wishlist = get_user_meta($user_id, 'woonoow_wishlist', true);
+        if (!is_array($wishlist)) {
+            return new WP_Error('empty_wishlist', 'Wishlist is empty', ['status' => 400]);
+        }
+        
+        // Remove product from wishlist
+        $wishlist = array_filter($wishlist, function($item) use ($product_id) {
+            return $item['product_id'] !== $product_id;
+        });
+        
+        // Re-index array
+        $wishlist = array_values($wishlist);
+        
+        update_user_meta($user_id, 'woonoow_wishlist', $wishlist);
+        
+        return new WP_REST_Response([
+            'message' => 'Product removed from wishlist',
+            'count'   => count($wishlist),
+        ], 200);
+    }
+    
+    /**
+     * Clear entire wishlist
+     */
+    public static function clear_wishlist(WP_REST_Request $request) {
+        $user_id = get_current_user_id();
+        delete_user_meta($user_id, 'woonoow_wishlist');
+        
+        return new WP_REST_Response([
+            'message' => 'Wishlist cleared',
+            'count'   => 0,
+        ], 200);
+    }
+}