import { cva, type VariantProps } from 'class-variance-authority'
import { cn } from '@/lib/utils'
import { Spinner } from '@/components/common/Spinner'

const buttonVariants = cva(
  'inline-flex items-center justify-center gap-2 font-medium transition-all duration-200 focus-visible:outline-hidden focus-visible:ring-2 focus-visible:ring-primary/30 focus-visible:ring-offset-2 focus-visible:ring-offset-background disabled:pointer-events-none disabled:opacity-50 active:scale-[0.98]',
  {
    variants: {
      variant: {
        primary:
          'bg-primary text-white font-semibold hover:brightness-110',
        secondary:
          'bg-input border border-border text-foreground hover:border-border-hover hover:bg-border',
        destructive:
          'bg-red-400/10 text-red-400 border border-red-400/20 hover:bg-red-400/20',
        ghost:
          'text-muted-foreground hover:bg-accent hover:text-foreground',
        link:
          'text-primary underline-offset-4 hover:underline p-0 h-auto',
      },
      size: {
        sm: 'h-8 px-3 text-xs rounded-lg',
        md: 'h-9 px-4 text-sm rounded-lg',
        lg: 'h-10 px-6 text-sm rounded-lg',
        icon: 'size-9 rounded-lg',
        'icon-sm': 'size-8 rounded-lg',
      },
    },
    defaultVariants: {
      variant: 'primary',
      size: 'md',
    },
  }
)

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

export function Button({
  className,
  variant,
  size,
  loading,
  children,
  disabled,
  ...props
}: ButtonProps) {
  return (
    <button
      className={cn(buttonVariants({ variant, size, className }))}
      disabled={disabled || loading}
      {...props}
    >
      {loading && <Spinner size="sm" />}
      {children}
    </button>
  )
}

// eslint-disable-next-line react-refresh/only-export-components
export { buttonVariants }