import type { VariantProps } from 'class-variance-authority'
import type { ButtonHTMLAttributes, CSSProperties, ReactNode } from 'react'
import { cn } from '@langgenius/dify-ui/cn'
import { cva } from 'class-variance-authority'
import { Highlight } from '@/app/components/base/icons/src/public/common'

const PremiumBadgeVariants = cva('premium-badge', {
  variants: {
    size: {
      s: 'premium-badge-s',
      m: 'premium-badge-m',
      custom: '',
    },
    color: {
      blue: 'premium-badge-blue',
      indigo: 'premium-badge-indigo',
      gray: 'premium-badge-gray',
      orange: 'premium-badge-orange',
    },
    allowHover: {
      true: 'pb-allow-hover',
      false: '',
    },
  },
  defaultVariants: {
    size: 'm',
    color: 'blue',
    allowHover: false,
  },
})

type PremiumBadgeProps = {
  size?: 's' | 'm' | 'custom'
  color?: 'blue' | 'indigo' | 'gray' | 'orange'
  allowHover?: boolean
  styleCss?: CSSProperties
  className?: string
  children?: ReactNode
} & VariantProps<typeof PremiumBadgeVariants>

type PremiumBadgeButtonProps = Omit<ButtonHTMLAttributes<HTMLButtonElement>, 'color'> &
  Omit<PremiumBadgeProps, 'styleCss'> & {
    style?: CSSProperties
  }

function BadgeHighlight({ size }: { size?: PremiumBadgeProps['size'] }) {
  return (
    <Highlight
      aria-hidden="true"
      className={cn(
        'absolute top-0 right-1/2 translate-x-[20%] opacity-50 transition-[opacity,transform] duration-100 ease-out hover:translate-x-[30%] hover:opacity-80 motion-reduce:transition-none',
        size === 's' ? 'h-[18px] w-12' : 'h-6 w-12',
      )}
    />
  )
}

function PremiumBadge({
  className,
  size,
  color,
  allowHover,
  styleCss,
  children,
}: PremiumBadgeProps) {
  return (
    <span
      className={cn(
        PremiumBadgeVariants({ size, color, allowHover, className }),
        'relative text-nowrap',
      )}
      style={styleCss}
    >
      {children}
      <BadgeHighlight size={size} />
    </span>
  )
}

export function PremiumBadgeButton({
  className,
  size,
  color,
  allowHover = true,
  style,
  children,
  type = 'button',
  ...props
}: PremiumBadgeButtonProps) {
  return (
    <button
      type={type}
      className={cn(
        PremiumBadgeVariants({ size, color, allowHover, className }),
        'relative touch-manipulation text-nowrap focus-visible:ring-2 focus-visible:ring-state-accent-solid focus-visible:outline-hidden',
      )}
      style={style}
      {...props}
    >
      {children}
      <BadgeHighlight size={size} />
    </button>
  )
}

export default PremiumBadge
