import type { Metadata } from "next";

export const SITE_URL = "https://niosus-digital.itsbetr.chatgpt.site";
export const SITE_NAME = "NIOSUS";
export const SOCIAL_IMAGE = "/og.jpg";

type PageMetadata = {
  title: string;
  description: string;
  path: string;
  imageAlt?: string;
  noIndex?: boolean;
};

export function createMetadata({ title, description, path, imageAlt = `${title} — NIOSUS`, noIndex = false }: PageMetadata): Metadata {
  return {
    title,
    description,
    alternates: { canonical: path },
    robots: { index: !noIndex, follow: !noIndex },
    openGraph: {
      title,
      description,
      url: path,
      siteName: SITE_NAME,
      type: "website",
      images: [{ url: SOCIAL_IMAGE, width: 1200, height: 630, alt: imageAlt }],
    },
    twitter: {
      card: "summary_large_image",
      title,
      description,
      images: [SOCIAL_IMAGE],
    },
  };
}

export function JsonLd({ data }: { data: Record<string, unknown> | Array<Record<string, unknown>> }) {
  return <script type="application/ld+json" dangerouslySetInnerHTML={{ __html: JSON.stringify(data).replace(/</g, "\\u003c") }} />;
}

export const organizationSchema = {
  "@context": "https://schema.org",
  "@type": "Organization",
  "@id": `${SITE_URL}/#organization`,
  name: SITE_NAME,
  url: SITE_URL,
  logo: `${SITE_URL}/favicon.svg`,
  email: "hello@niosus.com",
  description: "NIOSUS connects intelligence, software, infrastructure and media to build useful technology systems.",
};

export const websiteSchema = {
  "@context": "https://schema.org",
  "@type": "WebSite",
  "@id": `${SITE_URL}/#website`,
  url: SITE_URL,
  name: SITE_NAME,
  publisher: { "@id": `${SITE_URL}/#organization` },
  inLanguage: "en",
};

export function webPageSchema(path: string, name: string, description: string, type = "WebPage") {
  return {
    "@context": "https://schema.org",
    "@type": type,
    "@id": `${SITE_URL}${path}#webpage`,
    url: `${SITE_URL}${path}`,
    name,
    description,
    isPartOf: { "@id": `${SITE_URL}/#website` },
    about: { "@id": `${SITE_URL}/#organization` },
    inLanguage: "en",
  };
}

export function breadcrumbSchema(items: Array<[string, string]>) {
  return {
    "@context": "https://schema.org",
    "@type": "BreadcrumbList",
    itemListElement: items.map(([name, path], index) => ({
      "@type": "ListItem",
      position: index + 1,
      name,
      item: `${SITE_URL}${path}`,
    })),
  };
}

export function serviceSchema(name: string, description: string, path: string) {
  return {
    "@context": "https://schema.org",
    "@type": "Service",
    name,
    description,
    url: `${SITE_URL}${path}`,
    provider: { "@id": `${SITE_URL}/#organization` },
  };
}

export function faqSchema(items: Array<[string, string]>) {
  return {
    "@context": "https://schema.org",
    "@type": "FAQPage",
    mainEntity: items.map(([name, text]) => ({
      "@type": "Question",
      name,
      acceptedAnswer: { "@type": "Answer", text },
    })),
  };
}

export function softwareApplicationSchema(name: string, description: string, path: string, status: string) {
  if (!["Testing", "Beta", "Live"].includes(status)) return null;
  return {
    "@context": "https://schema.org",
    "@type": "SoftwareApplication",
    name,
    description,
    url: `${SITE_URL}${path}`,
    applicationCategory: "BusinessApplication",
    creator: { "@id": `${SITE_URL}/#organization` },
  };
}