import { forwardRef, type ButtonHTMLAttributes, type ReactNode } from 'react';

import { cn } from '@/utils/classNames';

export interface IconButtonProps extends ButtonHTMLAttributes<HTMLButtonElement> {
  readonly label: string;
  readonly icon: ReactNode;
  readonly size?: 'sm' | 'md' | 'lg';
  readonly variant?: 'solid' | 'ghost' | 'outline';
}

const sizeClasses = {
  sm: 'size-9 rounded-xl',
  md: 'size-10 rounded-xl',
  lg: 'size-12 rounded-2xl'
} as const;

const variantClasses = {
  solid: 'border-border/80 bg-elevated text-foreground hover:border-accent/45 hover:bg-accent/12',
  ghost: 'border-transparent bg-transparent text-muted hover:bg-elevated/75 hover:text-foreground',
  outline: 'border-border/80 bg-transparent text-foreground hover:border-accent/55 hover:bg-accent/10'
} as const;

export const IconButton = forwardRef<HTMLButtonElement, IconButtonProps>(function IconButton(
  { className, icon, label, size = 'md', type = 'button', variant = 'ghost', ...props },
  ref,
) {
  return (
    <button
      ref={ref}
      type={type}
      aria-label={label}
      className={cn(
        'interactive-ring inline-flex items-center justify-center border transition duration-200 disabled:cursor-not-allowed disabled:opacity-50',
        sizeClasses[size],
        variantClasses[variant],
        className,
      )}
      {...props}
    >
      {icon}
    </button>
  );
});