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import { useState, useId } from "react";
import { Icon } from "@/components/ui/icons";
import { Button } from "@/components/ui";
type ChildCategory = {
id: number;
name: string;
products: number;
isRefined?: boolean;
};
type Category = {
id: number;
name: string;
products: number;
children?: ChildCategory[];
};
interface CategoryItemProps {
category: Category;
onSelect: (categoryId: number) => void;
isExpanded: boolean;
onToggleExpand: (categoryId: number) => void;
selectedCategoryId: number | null;
}
const CategoryItem = ({
category,
onSelect,
isExpanded,
onToggleExpand,
selectedCategoryId}: CategoryItemProps) => {
const hasChildren = category.children && category.children.length > 0;
const isSelected = selectedCategoryId === category.id;
const childrenId = useId();
return (
<div role="group" aria-labelledby={`category-${category.id}`}>
<div className="flex items-center justify-between">
<Button
variant="ghost"
size="sm"
className={`${
isSelected && "text-blue"
} group justify-between flex-1 min-w-0`}
onClick={() => {
onSelect(category.id);
}}
aria-pressed={isSelected}
aria-label={`${category.name}, ${category.products} products${isSelected ? ', selected' : ''}`}
>
<div className="flex items-center gap-2 min-w-0 flex-1">
<div
className={`flex-shrink-0 flex items-center justify-center rounded w-4 h-4 border ${
isSelected ? "border-blue bg-blue" : "bg-white dark:bg-gray-700 border-gray-3 dark:border-gray-600"
}`}
aria-hidden="true"
>
{isSelected && <Icon name="check" size={10} className="text-white" />}
</div>
<span id={`category-${category.id}`} className="dark:text-gray-300 whitespace-nowrap">{category.name}</span>
</div>
<span
className={`${
isSelected ? "text-white bg-blue" : "bg-gray-2 dark:bg-gray-700 dark:text-gray-300"
} flex-shrink-0 inline-flex rounded-[30px] text-custom-xs px-2 ease-out duration-200 group-hover:text-white group-hover:bg-blue ml-2`}
aria-hidden="true"
>
{category.products}
</span>
</Button>
{hasChildren && (
<Button
variant="ghost"
size="sm"
onClick={() => onToggleExpand(category.id)}
className="text-gray-4 dark:text-gray-500 p-1 ml-1 min-h-0 hover:text-dark dark:hover:text-gray-300"
aria-expanded={isExpanded}
aria-controls={childrenId}
aria-label={`${isExpanded ? 'Collapse' : 'Expand'} ${category.name} subcategories`}
>
<Icon name="chevron-down" size={16} rotate={isExpanded ? 180 : 0} aria-hidden="true" />
</Button>
)}
</div>
{/* Child categories */}
{hasChildren && (
<div
id={childrenId}
className={`ml-6 mt-2 flex-col gap-3 border-l border-gray-2 dark:border-gray-700 pl-3 ${
isExpanded ? "flex" : "hidden"
}`}
role="group"
aria-label={`${category.name} subcategories`}
>
{category?.children?.map((child) => {
const isChildSelected = selectedCategoryId === child.id;
return (
<Button
key={child.id}
onClick={() => onSelect(child.id)}
variant="ghost"
size="sm"
className="group justify-between text-sm"
aria-pressed={isChildSelected}
aria-label={`${child.name}, ${child.products} products${isChildSelected ? ', selected' : ''}`}
>
<span className="dark:text-gray-300">{child.name}</span>
<span
className="bg-gray-2 dark:bg-gray-700 dark:text-gray-300 inline-flex rounded-[30px] text-custom-xs px-2 ease-out duration-200 group-hover:text-white group-hover:bg-blue"
aria-hidden="true"
>
{child.products}
</span>
</Button>
);
})}
</div>
)}
</div>
);
};
interface CategoryDropdownProps {
categories: Category[];
onCategorySelect?: (categoryId: number) => void;
expandedCategories?: Set<number>;
onToggleExpand?: (categoryId: number) => void;
selectedCategoryId?: number | null;
}
const CategoryDropdown = ({
categories,
onCategorySelect = () => {},
expandedCategories = new Set(),
onToggleExpand = () => {},
selectedCategoryId = null}: CategoryDropdownProps) => {
const [toggleDropdown, setToggleDropdown] = useState(true);
const contentId = useId();
return (
<div className="bg-white dark:bg-gray-800 shadow-1 rounded-lg">
<Button
variant="ghost"
onClick={() => setToggleDropdown(!toggleDropdown)}
aria-expanded={toggleDropdown}
aria-controls={contentId}
className={`w-full flex items-center justify-between py-3 pl-6 pr-5.5 rounded-none min-h-0 ${
toggleDropdown && "shadow-filter dark:shadow-none dark:border-b dark:border-gray-700"
}`}
>
<span className="text-dark dark:text-gray-100 font-medium">Category</span>
<Icon
name="chevron-down"
size={24}
rotate={toggleDropdown ? 180 : 0}
className="text-dark dark:text-gray-300"
aria-hidden="true"
/>
</Button>
{/* Category filter list */}
<div
id={contentId}
role="group"
aria-label="Category filters"
className={`flex-col gap-3 py-6 pl-6 pr-5.5 ${
toggleDropdown ? "flex" : "hidden"
}`}
>
{categories.map((category) => (
<CategoryItem
key={category.id}
category={category}
onSelect={onCategorySelect}
isExpanded={expandedCategories.has(category.id)}
onToggleExpand={onToggleExpand}
selectedCategoryId={selectedCategoryId}
/>
))}
</div>
</div>
);
};
export default CategoryDropdown;
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