import { getCollection } from "astro:content";

const siteUrl = (
  import.meta.env.SITE_URL ||
  import.meta.env.PUBLIC_SITE_URL ||
  "https://quietpages-eta.vercel.app"
).replace(/\/$/, "");

export const authors = [
  {
    slug: "carlos-arias",
    name: "Carlos Arias",
    bio: "AI engineer and digital strategist with 25+ years building software and AI systems; founder of CarlosArias&Co and engineer behind Medellín.co.",
    longBio:
      "Carlos Arias is an AI engineer and strategist with over two decades across software engineering, digital marketing, and AI. He is the founder of CarlosArias&Co and Snoopi.io, and an engineer and strategist behind the Medellín.co city guide. Based between South Florida and Latin America, he builds AI-driven systems for local visibility and revenue-tracked growth. Comiida's articles are researched from public sources and AI-assisted under his editorial oversight.",
    avatar: "https://carlosarias.com/wp-content/uploads/2023/02/cropped-clos.jpg",
    jobTitle: "Founder & Editor, Comiida",
    knowsAbout: [
      "Medellín restaurants",
      "Colombian cuisine",
      "dining guides",
      "local SEO",
    ],
    sameAs: [
      "https://x.com/hicarlosarias",
      "https://www.linkedin.com/in/hicarlosarias/",
      "https://www.instagram.com/carlosarias.co",
      "https://www.facebook.com/hicarlosarias",
      "https://carlosarias.com",
    ],
  },
];

export const categories = [
  { slug: "guides", name: "Guides" },
  { slug: "news", name: "News" },
  { slug: "reviews", name: "Reviews" },
  { slug: "neighborhoods", name: "Neighborhoods" },
];

export const tags = [
  { slug: "food-guide", name: "Food Guide" },
  { slug: "ciudad-del-rio", name: "Ciudad Del Rio" },
  { slug: "things-to-do", name: "Things To Do" },
  { slug: "terminal-del-sur", name: "Terminal Del Sur" },
  { slug: "specialty-coffee", name: "Specialty Coffee" },
  { slug: "craft-beer", name: "Craft Beer" },
  { slug: "rionegro", name: "Rionegro" },
  { slug: "antioquia", name: "Antioquia" },
  { slug: "day-trip", name: "Day Trip" },
  { slug: "oriente-antioqueno", name: "Oriente Antioqueno" },
  { slug: "food-festival", name: "Food Festival" },
  { slug: "marinilla", name: "Marinilla" },
  { slug: "wake-medellin", name: "Wake Medellin" },
  { slug: "peruvian-cuisine", name: "Peruvian Cuisine" },
  { slug: "steakhouse", name: "Steakhouse" },
  { slug: "gastronomy", name: "Gastronomy" },
  { slug: "time-out", name: "Time Out" },
  { slug: "food-ranking", name: "Food Ranking" },
  { slug: "chef", name: "Chef" },
  { slug: "colombian-cuisine", name: "Colombian Cuisine" },
  { slug: "new-restaurant", name: "New Restaurant" },
  { slug: "legal-news", name: "Legal News" },
  { slug: "fine-dining", name: "Fine Dining" },
  { slug: "hidden-kitchen", name: "Hidden Kitchen" },
  { slug: "chefs-table", name: "Chefs Table" },
  { slug: "tasting-menu", name: "Tasting Menu" },
  { slug: "new-openings", name: "New Openings" },
  { slug: "restaurant-news", name: "Restaurant News" },
  { slug: "restaurants", name: "Restaurants" },
  { slug: "coffee", name: "Coffee" },
  { slug: "el-poblado", name: "El Poblado" },
  { slug: "brunch", name: "Brunch" },
  { slug: "expats", name: "Expats" },
  { slug: "food-safety", name: "Food Safety" },
  { slug: "street-food", name: "Street Food" },
  { slug: "medellin", name: "Medellín" },
  { slug: "travel", name: "Travel" },
];

export const imageSrc = (image) => (typeof image === "string" ? image : image?.src);

// Keep the FULL ISO timestamp (not date-only) so posts published on the same day order by
// their real publish time, and so Article schema / sitemap / RSS get precise datePublished.
export const normalizePost = (entry) => ({
  slug: entry.id,
  ...entry.data,
  date: entry.data.date?.toISOString(),
  updated: entry.data.updated?.toISOString(),
});

export const posts = async () => (await getCollection("blog")).map(normalizePost);

export const getPost = async (slug) => (await posts()).find((post) => post.slug === slug);
export const getAuthor = (slug) => authors.find((author) => author.slug === slug);
export const getCategory = (slug) => categories.find((category) => category.slug === slug);
export const getTag = (slug) => tags.find((tag) => tag.slug === slug);
export const postsByCategory = async (slug) =>
  (await sortedPosts()).filter((post) => post.category === slug);
export const postsByTag = async (slug) =>
  (await sortedPosts()).filter((post) => post.tags.includes(slug));
export const postsByAuthor = async (slug) =>
  (await sortedPosts()).filter((post) => post.author === slug);
export const sortedPosts = async () =>
  [...(await posts())].sort((a, b) => {
    const diff = new Date(b.date) - new Date(a.date); // newest first
    return diff !== 0 ? diff : a.slug.localeCompare(b.slug); // stable tiebreaker
  });
export const featuredPost = async () => {
  const sorted = await sortedPosts();
  return sorted.find((post) => post.featured) ?? sorted[0];
};
export const popularPosts = async () => (await sortedPosts()).slice(0, 4);
export const relatedPosts = async (post, n = 3) =>
  (await sortedPosts())
    .filter((candidate) => candidate.slug !== post.slug)
    .sort((a, b) => {
      const score = (candidate) =>
        (candidate.category === post.category ? 2 : 0) +
        candidate.tags.filter((tag) => post.tags.includes(tag)).length;
      return score(b) - score(a);
    })
    .slice(0, n);

export const adjacentPosts = async (post) => {
  const sorted = await sortedPosts();
  const index = sorted.findIndex((candidate) => candidate.slug === post.slug);
  return { prev: sorted[index + 1], next: sorted[index - 1] };
};

export const formatDate = (iso) =>
  new Date(iso).toLocaleDateString("en-US", {
    year: "numeric",
    month: "long",
    day: "numeric",
  });

export const SITE = {
  name: "Comiida",
  description:
    "Medellín's restaurant scene for English-speaking expats, nomads, and travelers — guides, news, and data-driven dining picks.",
  url: siteUrl,
};

// ---- JSON-LD schema builders (no @context — nest these, or add @context at the top level) ----
export const organizationSchema = () => ({
  "@type": "Organization",
  "@id": `${SITE.url}/#organization`,
  name: SITE.name,
  url: `${SITE.url}/`,
  description: SITE.description,
  logo: `${SITE.url}/favicon.svg`,
});

export const websiteSchema = () => ({
  "@type": "WebSite",
  "@id": `${SITE.url}/#website`,
  name: SITE.name,
  url: `${SITE.url}/`,
  description: SITE.description,
  inLanguage: "en",
  publisher: { "@id": `${SITE.url}/#organization` },
});

export const personSchema = (author) =>
  author && {
    "@type": "Person",
    "@id": `${SITE.url}/authors/${author.slug}#person`,
    name: author.name,
    url: `${SITE.url}/authors/${author.slug}`,
    image: author.avatar,
    description: author.longBio || author.bio,
    ...(author.jobTitle ? { jobTitle: author.jobTitle } : {}),
    ...(author.knowsAbout ? { knowsAbout: author.knowsAbout } : {}),
    ...(author.sameAs ? { sameAs: author.sameAs } : {}),
  };