import { Post } from '@/lib/posts';

interface BlogPostStructuredDataProps {
  post: Post;
}

export function BlogPostStructuredData({ post }: BlogPostStructuredDataProps) {
  const baseUrl = process.env.NEXT_PUBLIC_BASE_URL || 'https://your-domain.com';
  
  const structuredData = {
    '@context': 'https://schema.org',
    '@type': 'BlogPosting',
    headline: post.title,
    description: post.excerpt || post.metaDescription,
    image: post.ogImage || `https://source.unsplash.com/1200x630?education,${post.tags[0] || 'blog'}`,
    author: {
      '@type': 'Person',
      name: post.author,
    },
    publisher: {
      '@type': 'Organization',
      name: 'Prejee',
      logo: {
        '@type': 'ImageObject',
        url: `${baseUrl}/logo.png`,
      },
    },
    datePublished: new Date(post.publishedAt).toISOString(),
    dateModified: new Date(post.publishedAt).toISOString(),
    mainEntityOfPage: {
      '@type': 'WebPage',
      '@id': `${baseUrl}/labs/${post.slug}`,
    },
    keywords: post.tags.join(', '),
    wordCount: post.content ? post.content.split(' ').length : undefined,
    timeRequired: post.readingTime ? `PT${post.readingTime}M` : undefined,
  };

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