const BASE_URL = process.env.NEXT_PUBLIC_APP_URL ?? 'https://www.cahootravel.com'

interface BreadcrumbItem {
  name: string
  path?: string // omit for the last item (current page, no link needed)
}

interface BreadcrumbJsonLdProps {
  items: BreadcrumbItem[]
}

export default function BreadcrumbJsonLd({ items }: BreadcrumbJsonLdProps) {
  const schema = {
    '@context': 'https://schema.org',
    '@type': 'BreadcrumbList',
    itemListElement: [
      { '@type': 'ListItem', position: 1, name: 'Home', item: BASE_URL },
      ...items.map((item, i) => ({
        '@type': 'ListItem',
        position: i + 2,
        name: item.name,
        ...(item.path ? { item: `${BASE_URL}${item.path}` } : {}),
      })),
    ],
  }

  return (
    <script
      type="application/ld+json"
      dangerouslySetInnerHTML={{ __html: JSON.stringify(schema) }}
    />
  )
}