<?php

$featured = $page->featured()->toPages()->first();

$mapArticle = function($article) {
  return [
    'title' => $article->title()->value(),
    'slug'  => $article->slug(),
    'date'  => $article->date()->toDate('d/m/Y'),
    'intro' => $article->intro()->excerpt(200),
    'cover' => $article->cover()->toFile()?->url(),
  ];
};

$articles = $page->children()->listed()->sortBy('date', 'desc');

$specificData = [
  'intro'    => $page->intro()->value(),
  'featured' => $featured ? $mapArticle($featured) : null,
  'articles' => ($featured ? $articles->not($featured) : $articles)
    ->map($mapArticle)
    ->values(),
];

$pageData = array_merge($genericData, $specificData);

header('Content-Type: application/json');
echo json_encode($pageData);