/**
 * @factory/ui — Checkbox (Radix `@radix-ui/react-checkbox` wrapper).
 * Radix handles checked/indeterminate state, keyboard (Space) and ARIA.
 * The check/dash glyph swaps via the root's `data-state` (Tailwind group-data).
 */
import * as React from "react";
import * as RadixCheckbox from "@radix-ui/react-checkbox";
import { clsx } from "clsx";

export const Checkbox = React.forwardRef<
  React.ElementRef<typeof RadixCheckbox.Root>,
  React.ComponentPropsWithoutRef<typeof RadixCheckbox.Root>
>(({ className, ...props }, ref) => (
  <RadixCheckbox.Root
    ref={ref}
    className={clsx(
      "group h-4 w-4 shrink-0 rounded-sm border border-input",
      "flex cursor-pointer items-center justify-center",
      "focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-ring",
      "disabled:cursor-not-allowed disabled:opacity-50",
      "data-[state=checked]:bg-primary data-[state=checked]:border-primary data-[state=checked]:text-primary-foreground",
      "data-[state=indeterminate]:bg-primary data-[state=indeterminate]:border-primary data-[state=indeterminate]:text-primary-foreground",
      className,
    )}
    {...props}
  >
    <RadixCheckbox.Indicator>
      <span className="text-[10px] leading-none group-data-[state=indeterminate]:hidden">✓</span>
      <span className="hidden text-[10px] leading-none group-data-[state=indeterminate]:block">
        –
      </span>
    </RadixCheckbox.Indicator>
  </RadixCheckbox.Root>
));
Checkbox.displayName = "Checkbox";