import { SITE } from './consts';

export const personId = `${SITE.url}/#person`;
export const websiteId = `${SITE.url}/#website`;

// Canonical Person entity — referenced by @id from every other entity.
export const person = {
  '@type': 'Person',
  '@id': personId,
  name: 'Asger Geel Weirsøe',
  alternateName: 'Asger Weirsøe',
  url: `${SITE.url}/`,
  image: `${SITE.url}/asger.png`,
  jobTitle: ['Datalog', 'Technical Solution Architect'],
  hasOccupation: {
    '@type': 'Occupation',
    name: 'Datalog',
    occupationalCategory: '2512 Softwareudvikler',
  },
  hasCredential: [
    {
      '@type': 'EducationalOccupationalCredential',
      credentialCategory: 'degree',
      educationalLevel: "Master's degree",
      name: 'Cand.scient. i Datalogi',
      recognizedBy: { '@type': 'CollegeOrUniversity', name: 'Aalborg Universitet' },
    },
    {
      '@type': 'EducationalOccupationalCredential',
      credentialCategory: 'license',
      name: 'Radioamatørlicens, kategori B (kaldesignal OZ0AGW)',
      dateCreated: '2024-05-18',
    },
  ],
  // schema.org/callSign — kaldesignalet er en entydig identifikator på linje med
  // sameAs-profilerne og knytter OZ0AGW til personen.
  callSign: 'OZ0AGW',
  worksFor: { '@type': 'Organization', name: 'Digisense A/S' },
  alumniOf: { '@type': 'CollegeOrUniversity', name: 'Aalborg Universitet' },
  homeLocation: { '@type': 'Place', name: 'Nørresundby, Danmark' },
  nationality: { '@type': 'Country', name: 'Danmark' },
  knowsLanguage: ['da', 'en'],
  knowsAbout: [
    'Peppol', 'Peppol Access Point', 'Peppol BIS', 'Peppol eDelivery', 'Oxalis',
    'NemHandel', 'Elektronisk fakturering', 'E-faktura', 'Electronic invoicing',
    'OIOUBL', 'UBL', 'e-Delivery (AS4)', 'EN 16931', 'E-procurement', 'EDI',
    'Softwarearkitektur', 'Løsningsarkitektur', 'Forretningsforståelse',
    'Digitalisering af fakturaflows', 'Rådgivning', 'Kravspecifikation',
    'Proxmox', 'Selvhosting', 'Kunstig intelligens', 'Linux', 'DevOps',
    'OIDC', 'SSO', 'Fuld-stack udvikling', 'Docker',
    'Amatørradio', 'Radioamatør', 'Radiokommunikation',
  ],
  sameAs: [
    'https://www.linkedin.com/in/ag-weirs%C3%B8e/',
    'https://mastodon.social/@asgerweirsoee',
    'https://github.com/asger-weirsoee',
    'https://gitea.weircon.dk/agw',
    'https://arxiv.org/abs/2310.00999',
  ],
  description:
    'Asger Weirsøe er datalog (cand.scient. fra Aalborg Universitet) og Technical Solution Architect hos Digisense A/S. Han bygger bro mellem forretning og teknik og har en bred profil inden for elektronisk fakturering og e-procurement: Peppol (Access Point, eDelivery/AS4, Oxalis), NemHandel og OIOUBL, kombineret med forretningsforståelse, selvhosting, Proxmox og AI. Han er desuden licenseret radioamatør med B-licens og kaldesignalet OZ0AGW.',
};

export const website = {
  '@type': 'WebSite',
  '@id': websiteId,
  url: `${SITE.url}/`,
  name: SITE.name,
  description: SITE.description,
  inLanguage: 'da-DK',
  publisher: { '@id': personId },
};

// Default graph present on every page (Google de-dupes by @id).
export const baseGraph = { '@context': 'https://schema.org', '@graph': [website, person] };

// Marks the front page as a ProfilePage about the Person — a strong "this site is
// about this human" signal that helps Google build a knowledge-panel entity.
export const profilePage = {
  '@context': 'https://schema.org',
  '@type': 'ProfilePage',
  '@id': `${SITE.url}/#profilepage`,
  url: `${SITE.url}/`,
  name: 'Asger Weirsøe',
  mainEntity: { '@id': personId },
  about: { '@id': personId },
  inLanguage: 'da-DK',
};

// FAQ pairs — natural-language Q&A that search engines and LLMs can lift verbatim.
export function faqPage(items: { q: string; a: string }[]) {
  return {
    '@context': 'https://schema.org',
    '@type': 'FAQPage',
    inLanguage: 'da-DK',
    mainEntity: items.map((it) => ({
      '@type': 'Question',
      name: it.q,
      acceptedAnswer: { '@type': 'Answer', text: it.a },
    })),
  };
}

export function blogPosting(opts: {
  url: string; headline: string; description: string;
  datePublished: string; dateModified: string; tags: string[]; image: string;
  wordCount?: number; section?: string;
}) {
  return {
    '@context': 'https://schema.org',
    '@type': 'BlogPosting',
    headline: opts.headline,
    description: opts.description,
    url: opts.url,
    mainEntityOfPage: opts.url,
    datePublished: opts.datePublished,
    dateModified: opts.dateModified,
    inLanguage: 'da-DK',
    image: opts.image,
    keywords: opts.tags.join(', '),
    articleSection: opts.section || 'Blog',
    ...(opts.wordCount ? { wordCount: opts.wordCount } : {}),
    author: { '@id': personId },
    publisher: { '@id': personId },
    isPartOf: { '@id': websiteId },
  };
}

// BreadcrumbList — the highest-ROI rich result for content sites: a human-readable
// path (Forside › Blog › …) in the SERP instead of the raw URL. Needs ≥2 items.
export function breadcrumb(items: { name: string; url: string }[]) {
  return {
    '@context': 'https://schema.org',
    '@type': 'BreadcrumbList',
    itemListElement: items.map((it, i) => ({
      '@type': 'ListItem', position: i + 1, name: it.name, item: it.url,
    })),
  };
}

// CollectionPage — tells search/AI that a listing page (the blog index, a tag) is a
// curated set authored by the Person, not a thin/duplicate page.
export function collectionPage(opts: { url: string; name: string; description: string }) {
  return {
    '@context': 'https://schema.org',
    '@type': 'CollectionPage',
    '@id': opts.url,
    url: opts.url,
    name: opts.name,
    description: opts.description,
    inLanguage: 'da-DK',
    isPartOf: { '@id': websiteId },
    about: { '@id': personId },
  };
}