Checkbox

"use client";

/*
 * The checkbox: the box fills and the check draws itself in.
 */

import { Checkbox as CheckboxPrimitive } from "@base-ui/react/checkbox";
import { motion, useReducedMotion } from "motion/react";

import { EASE_OUT } from "@showcase/components/ui/ai-motion";
import { cn } from "@showcase/lib/utils";

function Checkbox({ className, ...props }: CheckboxPrimitive.Root.Props) {
  const reduced = useReducedMotion() ?? false;

  return (
    <CheckboxPrimitive.Root
      data-slot="checkbox"
      className={cn(
        "peer relative flex size-4 shrink-0 items-center justify-center rounded-sm border border-input bg-card transition-[background-color,border-color,box-shadow,scale] duration-fast ease-standard outline-none group-has-disabled/field:opacity-50 group-has-[:focus-visible]/field-label:ring-0 group-has-[:focus-visible]/field-label:not-data-checked:border-input after:absolute after:-inset-x-3 after:-inset-y-2 hover:border-ring/60 focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/40 active:scale-92 disabled:cursor-not-allowed disabled:opacity-50 aria-invalid:border-destructive aria-invalid:ring-3 aria-invalid:ring-destructive/20 aria-invalid:aria-checked:border-primary data-checked:border-primary data-checked:bg-primary data-checked:text-primary-foreground data-indeterminate:border-primary data-indeterminate:bg-primary data-indeterminate:text-primary-foreground group-has-[:focus-visible]/field-label:data-checked:border-primary",
        className
      )}
      {...props}
    >
      <CheckboxPrimitive.Indicator
        data-slot="checkbox-indicator"
        keepMounted
        className="group/checkbox-indicator grid place-content-center text-current"
        render={(indicatorProps, state) => (
          <span {...indicatorProps}>
            <svg
              viewBox="0 0 24 24"
              fill="none"
              stroke="currentColor"
              strokeWidth={3}
              strokeLinecap="round"
              strokeLinejoin="round"
              aria-hidden
              className="size-3.5"
            >
              {/* The tick draws itself in; the dash grows from the centre. */}
              <motion.path
                d="M5 13l4 4L19 7"
                initial={false}
                animate={{
                  pathLength: state.checked && !state.indeterminate ? 1 : 0,
                  opacity: state.checked && !state.indeterminate ? 1 : 0,
                }}
                transition={
                  reduced ? { duration: 0 } : { duration: 0.24, ease: EASE_OUT }
                }
              />
              <motion.path
                d="M6 12h12"
                initial={false}
                animate={{
                  scaleX: state.indeterminate ? 1 : 0,
                  opacity: state.indeterminate ? 1 : 0,
                }}
                transition={
                  reduced ? { duration: 0 } : { duration: 0.2, ease: EASE_OUT }
                }
              />
            </svg>
          </span>
        )}
      />
    </CheckboxPrimitive.Root>
  );
}

export { Checkbox };