// View shaping for SSR payloads. Pages run API rows through these in
// useAsyncData's transform, so the serialized payload carries only what the
// page renders: no raw `content` source and no `translations`. The post
// page's view, which sanitizes the body, is in postView.ts, so list pages and
// cards that import this file do not load the sanitizer.

import type { JournalPost } from './types.ts'

/** A post row as a list or card renders it: without body, source or translations. */
export function toListPost(post: JournalPost): JournalPost {
  return { ...post, content: null, content_html: null, translations: null }
}

/**
 * Formats an API timestamp as a long date for `language` (a BCP 47 tag such
 * as "pl-PL"). UTC on both server and browser, so hydration matches. Returns
 * "" for a missing or invalid value.
 */
export function formatJournalDate(iso: string | null | undefined, language: string): string {
  if (!iso) return ''
  const d = new Date(iso)
  if (Number.isNaN(d.getTime())) return ''
  try {
    return new Intl.DateTimeFormat(language || 'en', { dateStyle: 'long', timeZone: 'UTC' }).format(d)
  } catch {
    return new Intl.DateTimeFormat('en', { dateStyle: 'long', timeZone: 'UTC' }).format(d)
  }
}