import { siteConfig } from '@/data/site-config';

const SITE_URL = process.env.NEXT_PUBLIC_SITE_URL ?? 'http://localhost:3000';

export function organizationSchema() {
  return {
    '@context': 'https://schema.org',
    '@type': 'Organization',
    name: siteConfig.companyName,
    url: SITE_URL,
    // Only include fields once real data is provided in data/site-config.ts
    ...(siteConfig.email ? { email: siteConfig.email } : {}),
    ...(siteConfig.phone ? { telephone: siteConfig.phone } : {}),
    ...(siteConfig.address.street
      ? {
          address: {
            '@type': 'PostalAddress',
            streetAddress: siteConfig.address.street,
            addressLocality: siteConfig.address.city,
            addressCountry: siteConfig.address.country
          }
        }
      : {})
  };
}

export function localBusinessSchema() {
  // Use only if the business has a physical showroom/office to disclose.
  return {
    '@context': 'https://schema.org',
    '@type': 'LocalBusiness',
    name: siteConfig.companyName,
    url: SITE_URL,
    ...(siteConfig.address.street
      ? {
          address: {
            '@type': 'PostalAddress',
            streetAddress: siteConfig.address.street,
            addressLocality: siteConfig.address.city,
            addressCountry: siteConfig.address.country
          }
        }
      : {})
  };
}

export function breadcrumbSchema(items: { name: string; url: string }[]) {
  return {
    '@context': 'https://schema.org',
    '@type': 'BreadcrumbList',
    itemListElement: items.map((item, index) => ({
      '@type': 'ListItem',
      position: index + 1,
      name: item.name,
      item: item.url
    }))
  };
}

export function productSchema(product: {
  name: string;
  description: string;
  image?: string[];
  sku: string;
  price?: number | null;
  currency: string;
  available: boolean;
  url: string;
}) {
  return {
    '@context': 'https://schema.org',
    '@type': 'Product',
    name: product.name,
    description: product.description,
    image: product.image,
    sku: product.sku,
    offers: {
      '@type': 'Offer',
      url: product.url,
      priceCurrency: product.currency,
      ...(product.price != null ? { price: product.price } : {}),
      availability: product.available
        ? 'https://schema.org/InStock'
        : 'https://schema.org/OutOfStock'
    }
  };
}

export function articleSchema(article: {
  title: string;
  description: string;
  image?: string;
  authorName: string;
  publishedAt: string;
  updatedAt?: string;
  url: string;
}) {
  return {
    '@context': 'https://schema.org',
    '@type': 'Article',
    headline: article.title,
    description: article.description,
    image: article.image,
    author: { '@type': 'Person', name: article.authorName },
    datePublished: article.publishedAt,
    dateModified: article.updatedAt ?? article.publishedAt,
    mainEntityOfPage: article.url
  };
}

export function JsonLd({ data }: { data: object }) {
  return (
    <script
      type="application/ld+json"
      // eslint-disable-next-line react/no-danger
      dangerouslySetInnerHTML={{ __html: JSON.stringify(data) }}
    />
  );
}