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-md text-[13px] font-medium tracking-tight shadow-sm transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-zinc-900/20 focus-visible:ring-offset-2 dark:focus-visible:ring-white/20 disabled:pointer-events-none disabled:opacity-50',
  {
    variants: {
      variant: {
        default:
          'bg-zinc-900 text-white hover:bg-zinc-800 dark:bg-white dark:text-zinc-900 dark:hover:bg-zinc-100 dark:shadow-none',
        secondary:
          'border border-zinc-200 bg-white text-zinc-900 shadow-sm hover:bg-zinc-50 dark:border-zinc-700 dark:bg-zinc-900 dark:text-zinc-100 dark:hover:bg-zinc-800',
        destructive: 'bg-red-600 text-white hover:bg-red-700 shadow-sm dark:shadow-none',
        ghost: 'text-zinc-700 shadow-none hover:bg-zinc-100 dark:text-zinc-300 dark:hover:bg-zinc-800/80',
        link: 'text-brand-600 shadow-none underline-offset-4 hover:underline dark:text-brand-400',
      },
      size: {
        default: 'h-9 px-4 py-2',
        sm: 'h-8 px-3 text-xs',
        lg: 'h-10 px-5',
        icon: 'h-9 w-9',
      },
    },
    defaultVariants: {
      variant: 'default',
      size: 'default',
    },
  },
);

export interface ButtonProps
  extends React.ButtonHTMLAttributes<HTMLButtonElement>,
    VariantProps<typeof buttonVariants> {
  asChild?: boolean;
}

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

export { Button, buttonVariants };