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 { isValidElement, type ReactElement, type ReactNode } from "react";

import { cn } from "@/lib/utils";

const badgeVariants = cva(
	"inline-flex items-center justify-center rounded-full border border-transparent px-2 py-0.5 text-xs font-medium w-fit whitespace-nowrap shrink-0 [&>svg]:size-3 gap-1 [&>svg]:pointer-events-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive transition-[color,box-shadow] overflow-hidden",
	{
		variants: {
			variant: {
				default: "bg-primary text-primary-foreground [a&]:hover:bg-primary/90",
				secondary:
					"bg-secondary text-secondary-foreground [a&]:hover:bg-secondary/90",
				destructive:
					"bg-destructive text-white [a&]:hover:bg-destructive/90 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40 dark:bg-destructive/60",
				outline:
					"border-border text-foreground [a&]:hover:bg-accent [a&]:hover:text-accent-foreground",
				ghost: "[a&]:hover:bg-accent [a&]:hover:text-accent-foreground",
				link: "text-primary underline-offset-4 [a&]:hover:underline",
			},
		},
		defaultVariants: {
			variant: "default",
		},
	},
);

function Badge({
	className,
	variant = "default",
	asChild = false,
	render,
	children,
	...props
}: useRender.ComponentProps<"span"> &
	VariantProps<typeof badgeVariants> & {
		asChild?: boolean;
	}) {
	let resolvedRender = render;
	let resolvedChildren: ReactNode = children;

	if (!resolvedRender && asChild && isValidElement(children)) {
		resolvedRender = children as ReactElement;
		resolvedChildren = (children.props as { children?: ReactNode }).children;
	}

	return useRender({
		defaultTagName: "span",
		props: mergeProps<"span">(
			{
				className: cn(badgeVariants({ variant }), className),
				children: resolvedChildren,
			},
			props,
		),
		render: resolvedRender,
		state: {
			slot: "badge",
			variant,
		},
	});
}

export { Badge, badgeVariants };