import * as React from "react";
import { Slot } from "@radix-ui/react-slot";
import { cva, type VariantProps } from "class-variance-authority";
import { cn } from "@/lib/utils";

const buttonVariants = cva(
  "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-sm text-sm font-medium select-none transition-[color,background-color,box-shadow,transform,opacity] duration-[var(--motion-quick)] ease-[var(--ease-out)] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-accent/70 disabled:pointer-events-none disabled:opacity-40 active:not-disabled:scale-[0.96] [&_svg]:pointer-events-none [&_svg]:shrink-0",
  {
    variants: {
      variant: {
        default: "bg-accent text-accent-fg hover:bg-accent/90",
        ghost: "text-fg hover:bg-elevated",
        outline: "bg-surface text-fg shadow-[var(--shadow-border)] hover:shadow-[var(--shadow-border-hover)] hover:bg-elevated",
        subtle: "bg-elevated text-fg hover:bg-elevated/80",
        danger: "bg-danger text-fg hover:bg-danger/90",
      },
      size: {
        default: "h-10 px-3.5",
        sm: "h-8 px-2.5 text-xs",
        lg: "h-11 px-4",
        icon: "size-11 [&_svg]:size-5",
        iconSm: "size-9 [&_svg]:size-4",
      },
    },
    defaultVariants: {
      variant: "default",
      size: "default",
    },
  },
);

type ButtonProps = React.ComponentProps<"button"> &
  VariantProps<typeof buttonVariants> & {
    asChild?: boolean;
  };

const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
  ({ className, variant, size, asChild = false, ...props }, ref) => {
    const Comp = asChild ? Slot : "button";
    return (
      <Comp
        ref={ref}
        data-slot="button"
        className={cn(buttonVariants({ variant, size, className }))}
        {...props}
      />
    );
  },
);
Button.displayName = "Button";

export { Button, buttonVariants };