/**
 * Typed, validated access to src/data/*.json.
 * A schema mismatch throws at import time, so `astro build` fails loudly.
 */
import { z } from 'astro/zod';
import siteJson from '../data/site.json';
import socialJson from '../data/social.json';

const link = z.object({ label: z.string().min(1), href: z.string().min(1) });

const siteSchema = z.object({
  name: z.string(),
  title: z.string(),
  description: z.string().max(160),
  url: z.url(),
  lang: z.string(),
  locale: z.string(),
  titleSeparator: z.string(),
  author: z.object({ name: z.string(), callsign: z.string(), locator: z.string() }),
  postsPerPage: z.number().int().positive(),
  nav: z.array(link).min(1),
  footer: z.object({
    about: z.string(),
    quickLinksTitle: z.string(),
    legalTitle: z.string(),
    socialTitle: z.string(),
    rss: link,
    legal: z.array(link),
    license: z.string(),
    signoff: z.string(),
  }),
  ui: z.object({
    skipToContent: z.string(),
    mainNav: z.string(),
    footerNav: z.string(),
    menuOpen: z.string(),
    menuClose: z.string(),
    themeToggle: z.string(),
    newTab: z.string(),
    home: z.string(),
  }),
});

const socialSchema = z.array(
  z.object({
    id: z.string(),
    label: z.string(),
    // Empty string = account not set → hidden in the UI.
    href: z.union([z.url(), z.literal('')]),
    icon: z.string().startsWith('tabler:'),
    handle: z.string().optional(),
  }),
);

function parse<T>(name: string, schema: z.ZodType<T>, data: unknown): T {
  const result = schema.safeParse(data);
  if (!result.success) {
    throw new Error(`src/data/${name} is invalid:\n${z.prettifyError(result.error)}`);
  }
  return result.data;
}

export const site = parse('site.json', siteSchema, siteJson);
export const social = parse('social.json', socialSchema, socialJson).filter((s) => s.href);

export type Site = z.infer<typeof siteSchema>;
export type SocialLink = (typeof social)[number];