import { NavigationMenu as NavigationMenuPrimitive } from '@base-ui/react/navigation-menu';
import { cva } from 'class-variance-authority';

import { cn } from '@/lib/utils';
import { ChevronDownIcon } from 'lucide-react'

function NavigationMenu({
  align = 'start',
  className,
  children,
  ...props
}: NavigationMenuPrimitive.Root.Props & Pick<NavigationMenuPrimitive.Positioner.Props, 'align'>) {
  return (
    <NavigationMenuPrimitive.Root
      data-slot="navigation-menu"
      className={cn(
        'cn-navigation-menu group/navigation-menu relative flex max-w-max flex-1 items-center justify-center',
        className,
      )}
      {...props}
    >
      {children}
      <NavigationMenuPositioner align={align} />
    </NavigationMenuPrimitive.Root>
  );
}

function NavigationMenuList({
  className,
  ...props
}: React.ComponentPropsWithRef<typeof NavigationMenuPrimitive.List>) {
  return (
    <NavigationMenuPrimitive.List
      data-slot="navigation-menu-list"
      className={cn(
        'cn-navigation-menu-list group flex flex-1 list-none items-center justify-center',
        className,
      )}
      {...props}
    />
  );
}

function NavigationMenuItem({
  className,
  ...props
}: React.ComponentPropsWithRef<typeof NavigationMenuPrimitive.Item>) {
  return (
    <NavigationMenuPrimitive.Item
      data-slot="navigation-menu-item"
      className={cn('cn-navigation-menu-item relative', className)}
      {...props}
    />
  );
}

const navigationMenuTriggerStyle = cva(
  'cn-navigation-menu-trigger group/navigation-menu-trigger inline-flex h-9 w-max items-center justify-center disabled:pointer-events-none outline-none',
);

function NavigationMenuTrigger({
  className,
  children,
  ...props
}: NavigationMenuPrimitive.Trigger.Props) {
  return (
    <NavigationMenuPrimitive.Trigger
      data-slot="navigation-menu-trigger"
      className={cn(navigationMenuTriggerStyle(), 'group', className)}
      {...props}
    >
      {children}{' '}
      <ChevronDownIcon  className="cn-navigation-menu-trigger-icon" aria-hidden="true" />
    </NavigationMenuPrimitive.Trigger>
  );
}

function NavigationMenuContent({ className, ...props }: NavigationMenuPrimitive.Content.Props) {
  return (
    <NavigationMenuPrimitive.Content
      data-slot="navigation-menu-content"
      className={cn(
        'cn-navigation-menu-content data-ending-style:data-activation-direction=left:translate-x-[50%] data-ending-style:data-activation-direction=right:translate-x-[-50%] data-starting-style:data-activation-direction=left:translate-x-[-50%] data-starting-style:data-activation-direction=right:translate-x-[50%] h-full w-auto transition-[opacity,transform,translate] duration-[0.35s] data-ending-style:opacity-0 data-starting-style:opacity-0 **:data-[slot=navigation-menu-link]:focus:ring-0 **:data-[slot=navigation-menu-link]:focus:outline-none',
        className,
      )}
      {...props}
    />
  );
}

function NavigationMenuPositioner({
  className,
  side = 'bottom',
  sideOffset = 8,
  align = 'start',
  alignOffset = 0,
  ...props
}: NavigationMenuPrimitive.Positioner.Props) {
  return (
    <NavigationMenuPrimitive.Portal>
      <NavigationMenuPrimitive.Positioner
        side={side}
        sideOffset={sideOffset}
        align={align}
        alignOffset={alignOffset}
        className={cn(
          'cn-navigation-menu-positioner isolate z-50 h-(--positioner-height) w-(--positioner-width) max-w-(--available-width) transition-[top,left,right,bottom] duration-[0.35s] data-instant:transition-none',
          className,
        )}
        {...props}
      >
        <NavigationMenuPrimitive.Popup className="cn-navigation-menu-popup data-[ending-style]:easing-[ease] xs:w-(--popup-width) relative h-(--popup-height) w-(--popup-width) origin-(--transform-origin) transition-[opacity,transform,width,height,scale,translate] duration-[0.35s] ease-[cubic-bezier(0.22,1,0.36,1)]">
          <NavigationMenuPrimitive.Viewport className="relative size-full overflow-hidden" />
        </NavigationMenuPrimitive.Popup>
      </NavigationMenuPrimitive.Positioner>
    </NavigationMenuPrimitive.Portal>
  );
}

function NavigationMenuLink({ className, ...props }: NavigationMenuPrimitive.Link.Props) {
  return (
    <NavigationMenuPrimitive.Link
      data-slot="navigation-menu-link"
      className={cn('cn-navigation-menu-link', className)}
      {...props}
    />
  );
}

function NavigationMenuIndicator({
  className,
  ...props
}: React.ComponentPropsWithRef<typeof NavigationMenuPrimitive.Icon>) {
  return (
    <NavigationMenuPrimitive.Icon
      data-slot="navigation-menu-indicator"
      className={cn(
        'cn-navigation-menu-indicator top-full z-1 flex h-1.5 items-end justify-center overflow-hidden',
        className,
      )}
      {...props}
    >
      <div className="cn-navigation-menu-indicator-arrow relative top-[60%] h-2 w-2 rotate-45" />
    </NavigationMenuPrimitive.Icon>
  );
}

export {
  NavigationMenu,
  NavigationMenuContent,
  NavigationMenuIndicator,
  NavigationMenuItem,
  NavigationMenuLink,
  NavigationMenuList,
  NavigationMenuTrigger,
  navigationMenuTriggerStyle,
  NavigationMenuPositioner,
};
Navigation Menu

Installation

Usage
