import { mergeProps } from '@base-ui/react/merge-props';
import { useRender } from '@base-ui/react/use-render';
import { cva, type VariantProps } from 'class-variance-authority';

import { cn } from '@/lib/utils';
import { Separator } from '@/components/ui/separator';

const buttonGroupVariants = cva(
  "has-[>[data-slot=button-group]]:gap-2 has-[select[aria-hidden=true]:last-child]:[&>[data-slot=select-trigger]:last-of-type]:rounded-r-lg flex w-fit items-stretch *:focus-visible:relative *:focus-visible:z-10 [&>[data-slot=select-trigger]:not([class*='w-'])]:w-fit [&>input]:flex-1",
  {
    variants: {
      orientation: {
        horizontal:
          '[&>[data-slot]:not(:has(~[data-slot]))]:rounded-r-lg! *:data-slot:rounded-r-none [&>[data-slot]~[data-slot]]:rounded-l-none [&>[data-slot]~[data-slot]]:border-l-0',
        vertical:
          '[&>[data-slot]:not(:has(~[data-slot]))]:rounded-b-lg! flex-col *:data-slot:rounded-b-none [&>[data-slot]~[data-slot]]:rounded-t-none [&>[data-slot]~[data-slot]]:border-t-0',
      },
    },
    defaultVariants: {
      orientation: 'horizontal',
    },
  },
);

function ButtonGroup({
  className,
  orientation,
  ...props
}: React.ComponentProps<'div'> & VariantProps<typeof buttonGroupVariants>) {
  return (
    <div
      role="group"
      data-slot="button-group"
      data-orientation={orientation}
      className={cn(buttonGroupVariants({ orientation }), className)}
      {...props}
    />
  );
}

function ButtonGroupText({
  className,
  render,
  ...props
}: useRender.ComponentProps<'div'>) {
  return useRender({
    defaultTagName: 'div',
    props: mergeProps<'div'>(
      {
        className: cn(
          "bg-muted gap-2 rounded-lg border px-2.5 text-sm font-medium [&_svg:not([class*='size-'])]:size-4 flex items-center [&_svg]:pointer-events-none",
          className,
        ),
      },
      props,
    ),
    render,
    state: {
      slot: 'button-group-text',
    },
  });
}

function ButtonGroupSeparator({
  className,
  orientation = 'vertical',
  ...props
}: React.ComponentProps<typeof Separator>) {
  return (
    <Separator
      data-slot="button-group-separator"
      orientation={orientation}
      className={cn(
        'bg-input relative self-stretch data-horizontal:mx-px data-horizontal:w-auto data-vertical:my-px data-vertical:h-auto',
        className,
      )}
      {...props}
    />
  );
}

export {
  ButtonGroup,
  ButtonGroupSeparator,
  ButtonGroupText,
  buttonGroupVariants,
};