<?php

add_action('rest_api_init', function () {

    register_rest_route('my/v1', '/news-top', [
        'methods'             => WP_REST_Server::READABLE,
        'callback'            => 'my_api_news_top',
        'permission_callback' => '__return_true', // при необходимости замените на проверку доступа
        'args'                => [
            'per_page' => [
                'required'          => false,
                'default'           => 20,
                'sanitize_callback' => 'absint',
            ],
        ],
    ]);

});

function my_api_news_top(WP_REST_Request $request) {

    $per_page = (int) $request->get_param('per_page');
    if ($per_page <= 0) {
        $per_page = 20;
    }
    if ($per_page > 100) {
        $per_page = 100; // защита от слишком тяжелых запросов
    }

    // 1) news_query
    $news_query = new WP_Query([
        'post_type'           => ['anew', 'yellow'],
        'ignore_sticky_posts' => true,
        'posts_per_page'      => $per_page,
        'order'               => 'DESC',
        'orderby'             => 'post_date',
    ]);

    // 2) top_query (ids берём из опции ppp_options)
    $top_raw = get_option('ppp_options');
    $top     = json_decode($top_raw);

    $ids = [];
    if (is_array($top)) {
        $ids = array_values(array_filter(array_map(static function ($item) {
            return isset($item->id) ? absint($item->id) : 0;
        }, $top)));
    }

    $top_query = null;
    $top_items = [];

    if (!empty($ids)) {
        $top_query = new WP_Query([
            'post_type'           => ['anew', 'yellow'],
            'ignore_sticky_posts' => true,
            'post__in'            => $ids,
            'posts_per_page'      => -1,
            'order'               => 'DESC',
            'orderby'             => 'post_date',
        ]);

        $top_items = array_map('my_api_map_post', $top_query->posts);
    }

    $news_items = array_map('my_api_map_post', $news_query->posts);

    return rest_ensure_response([
        'news' => [
            'found' => (int) $news_query->found_posts,
            'items' => $news_items,
        ],
        'top'  => [
            'ids'   => $ids,
            'found' => $top_query ? (int) $top_query->found_posts : 0,
            'items' => $top_items,
        ],
    ]);
}

/**
 * Приводим WP_Post к простому массиву.
 */
function my_api_map_post($post) {
    return [
        'id'    => (int) $post->ID,
        'type'  => $post->post_type,
        'title' => get_the_title($post),
        'date'  => get_the_date('c', $post),
        'uri'   => wp_parse_url(get_permalink($post), PHP_URL_PATH),
        'link'  => get_permalink($post),
    ];
}