<?php
add_action('init', function () {
  register_block_type('mi-tema/recent-posts-compact', [
    'attributes' => [
      'postsToShow' => [
        'type' => 'number',
        'default' => 4,
      ],
    ],
    'render_callback' => function ($attributes) {
      $limit = isset($attributes['postsToShow']) ? (int) $attributes['postsToShow'] : 4;
      $limit = max(1, min(12, $limit));

      $q = new WP_Query([
        'post_type' => 'post',
        'posts_per_page' => $limit,
        'no_found_rows' => true,
      ]);

      if (!$q->have_posts()) {
        return '<p>' . esc_html__('No hay entradas recientes.', 'mi-tema-bloques') . '</p>';
      }

      ob_start();
      echo '<ul class="recent-posts-compact">';
      while ($q->have_posts()) {
        $q->the_post();
        echo '<li><a href="' . esc_url(get_permalink()) . '">' . esc_html(get_the_title()) . '</a></li>';
      }
      echo '</ul>';
      wp_reset_postdata();

      return ob_get_clean();
    },
  ]);
});