import * as React from "react";
import { cva, type VariantProps } from "class-variance-authority";
import { Slot } from "radix-ui";

import { cn } from "../lib/cn";

const buttonVariants = cva(
  "inline-flex shrink-0 cursor-pointer items-center justify-center gap-2 rounded-md text-sm font-medium whitespace-nowrap transition-all outline-hidden focus-visible:ring-2 focus-visible:ring-ring/40 focus-visible:ring-offset-2 focus-visible:ring-offset-bg disabled:pointer-events-none disabled:opacity-50 aria-invalid:border-destructive aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
  {
    variants: {
      variant: {
        // The one filled action per region: the "teal wash" - a quiet tinted
        // fill, ink text and a 1px tinted edge, no shadow.
        default:
          "border border-primary-border bg-primary text-primary-foreground hover:bg-primary-hover",
        destructive:
          "bg-destructive-filled text-destructive-foreground hover:bg-destructive-filled/90 focus-visible:ring-destructive/40",
        outline: "border border-border bg-surface text-fg hover:bg-surface-2",
        secondary: "bg-secondary text-secondary-foreground hover:bg-surface-3 hover:text-fg",
        ghost: "hover:bg-hover hover:text-fg",
        link: "og-link",
      },
      size: {
        default: "h-9 px-4 py-2 has-[>svg]:px-3",
        xs: "h-6 gap-1 rounded-md px-2 text-xs has-[>svg]:px-1.5 [&_svg:not([class*='size-'])]:size-3",
        sm: "h-8 gap-1.5 rounded-md px-3 has-[>svg]:px-2.5",
        lg: "h-10 rounded-md px-6 has-[>svg]:px-4",
        icon: "size-9",
        "icon-xs": "size-6 rounded-md [&_svg:not([class*='size-'])]:size-3",
        "icon-sm": "size-8",
        "icon-lg": "size-10",
      },
    },
    defaultVariants: {
      variant: "default",
      size: "default",
    },
  },
);

function Button({
  className,
  variant = "default",
  size = "default",
  asChild = false,
  ...props
}: React.ComponentProps<"button"> &
  VariantProps<typeof buttonVariants> & {
    asChild?: boolean | undefined;
  }) {
  const Comp = asChild ? Slot.Root : "button";

  return (
    <Comp
      data-slot="button"
      data-variant={variant}
      data-size={size}
      className={cn(buttonVariants({ variant, size, className }))}
      {...props}
    />
  );
}

export { Button, buttonVariants };