tasko/components/ui/mode-toggle.tsx

'use client';

import { Moon, Sun } from 'lucide-react';
import { useTheme } from 'next-themes';

import { Button } from '@/components/ui/button';
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuTrigger,
} from '@/components/ui/dropdown-menu';

export function ModeToggle() {
  const { setTheme } = useTheme();

  return (
    <DropdownMenu>
      <DropdownMenuTrigger asChild>
        <Button variant='outline' size='icon'>
          <Sun className='h-4 w-4 rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0' />
          <Moon className='absolute h-4 w-4 rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100' />
          <span className='sr-only'>Toggle theme</span>
        </Button>
      </DropdownMenuTrigger>
      <DropdownMenuContent align='end'>
        <DropdownMenuItem onClick={() => setTheme('light')}>
          Light
        </DropdownMenuItem>
        <DropdownMenuItem onClick={() => setTheme('dark')}>
          Dark
        </DropdownMenuItem>
        <DropdownMenuItem onClick={() => setTheme('system')}>
          System
        </DropdownMenuItem>
      </DropdownMenuContent>
    </DropdownMenu>
  );
}