import { Button } from './ui'
import { t } from '@/lib/i18n'

interface NotificationBadgeButtonProps {
  unreadCount: number
  onClick: () => void
}

export function NotificationBadgeButton({ unreadCount, onClick }: NotificationBadgeButtonProps): React.ReactElement {
  const ariaLabel = unreadCount > 0
    ? `${unreadCount} ${unreadCount === 1 ? t('notifications.badge.unread.singular') : t('notifications.badge.unread.plural')}`
    : t('notifications.badge.noUnread')

  return (
    <Button
      type="button"
      variant="ghost"
      onClick={onClick}
      className="relative p-2 text-gray-600 hover:text-gray-900"
      aria-label={ariaLabel}
    >
      <svg
        xmlns="http://www.w3.org/2000/svg"
        className="h-6 w-6"
        fill="none"
        viewBox="0 0 24 24"
        stroke="currentColor"
      >
        <path
          strokeLinecap="round"
          strokeLinejoin="round"
          strokeWidth={2}
          d="M15 17h5l-1.405-1.405A2.032 2.032 0 0118 14.158V11a6.002 6.002 0 00-4-5.659V5a2 2 0 10-4 0v.341C7.67 6.165 6 8.388 6 11v3.159c0 .538-.214 1.055-.595 1.436L4 17h5m6 0v1a3 3 0 11-6 0v-1m6 0H9"
        />
      </svg>
      {unreadCount > 0 && (
        <>
          <span className="absolute top-0 right-0 w-2 h-2 bg-orange-500 rounded-full transform translate-x-1/2 -translate-y-1/2" />
          <span className="absolute top-0 right-0 inline-flex items-center justify-center px-2 py-1 text-xs font-bold leading-none text-white transform translate-x-1/2 -translate-y-1/2 bg-red-600 rounded-full">
            {unreadCount > 99 ? '99+' : unreadCount}
          </span>
        </>
      )}
    </Button>
  )
}