<?php

/*
 * This file is part of the Wakaloka\Winden package.
 *
 * (c) Joshua Gugun Siagian <suabahasa@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
declare (strict_types=1);
namespace Yabe\AcssPurger\Builder;

use WP_Query;
use Yabe\AcssPurger\Core\Cache;
/**
 * Oxygen Builder' worker integration
 *
 * @author Joshua Gugun Siagian <suabahasa@gmail.com>
 */
class Oxygen
{
    public function __construct()
    {
        \add_filter('f!yabe/acsspurger/builder/oxygen:loop_content', fn(array $extracted, int $post_id): array => $this->loop_content($extracted, $post_id), -1, 2);
        \add_action('plugins_loaded', fn() => $this->plugins_loaded(), 1000001);
    }
    public function plugins_loaded()
    {
        if (\defined('CT_PLUGIN_MAIN_FILE')) {
            \add_filter('f!yabe/acsspurger/core/cache:selectors', fn(array $selectors): array => $this->scan_contents($selectors), 10);
            \add_filter('f!yabe/acsspurger/core/runtime:is_inside_editor', fn($is) => $this->is_inside_editor($is));
            \add_action('update_post_meta', fn($_1, $_2, $meta_key) => $this->schedule_purge($meta_key), 1000001, 3);
        }
    }
    public function schedule_purge($meta_key)
    {
        if ($meta_key === 'ct_builder_json' || $meta_key === 'ct_builder_shortcodes') {
            Cache::schedule_cache(20);
        }
    }
    /**
     * @param bool $is
     * @return bool
     */
    public function is_inside_editor($is)
    {
        // iframe canvas
        if ((bool) \filter_input(\INPUT_GET, 'ct_builder')) {
            return \true;
        }
        // editor page
        if ((bool) \filter_input(\INPUT_GET, 'oxygen_iframe')) {
            return \true;
        }
        return $is;
    }
    /**
     * Scan the data to catch all selectors being used
     *
     * @param array $selectors The selectors
     * @return array
     */
    public function scan_contents($selectors)
    {
        $posts = [];
        $ignoredPostTypes = ['attachment', 'revision', 'nav_menu_item', 'custom_css', 'customize_changeset', 'oembed_cache'];
        $postTypes = \get_post_types();
        if (\is_array($ignoredPostTypes) && \is_array($postTypes)) {
            $postTypes = \array_diff($postTypes, $ignoredPostTypes);
        }
        $postTypes = \array_filter($postTypes, static fn($val) => \get_option('oxygen_vsb_ignore_post_type_' . $val, \false) !== 'true');
        /**
         * @see oxygen_css_cache_generation_script()
         */
        $wpQuery = new WP_Query(['posts_per_page' => -1, 'fields' => 'ids', 'post_type' => $postTypes, 'meta_query' => ['relation' => 'OR', ['key' => 'ct_builder_shortcodes', 'value' => '', 'compare' => '!='], ['key' => 'ct_builder_json', 'value' => '', 'compare' => '!=']]]);
        foreach ($wpQuery->posts as $post_id) {
            $posts[] = $post_id;
        }
        $extracted = [];
        foreach ($posts as $post) {
            /**
             * Produce the content of the markup from a single post
             *
             * @param array $extracted The content of the markup
             * @param int $post_id The ID of the post
             * @return array
             */
            $extracted = \apply_filters('f!yabe/acsspurger/builder/oxygen:loop_content', $extracted, $post);
        }
        // filter duplicates
        $extracted = \array_unique($extracted);
        /**
         * extract the classes from the content of the posts
         *
         * @param array $extracted The content of the markup
         * @param array $post_id The array of post IDs
         * @return array
         */
        return \apply_filters('f!yabe/acsspurger/builder/oxygen:content_of_posts', \array_merge($selectors, $extracted), $posts);
    }
    /**
     * @param array $extracted The extracted classes
     * @param int $post_id The ID of the post
     * @return array
     */
    public function loop_content($extracted, $post_id)
    {
        $shortcode = \get_post_meta($post_id, 'ct_builder_json', \true);
        $shortcode = \json_decode($shortcode, \true, 512, \JSON_THROW_ON_ERROR);
        if (!$shortcode) {
            $shortcode = \get_post_meta($post_id, 'ct_builder_shortcodes', \true);
        }
        if (!\is_array($shortcode)) {
            $shortcode = \json_decode(\oxygen_safe_convert_old_shortcodes_to_json($shortcode), \true, 512, \JSON_THROW_ON_ERROR);
            // exit if the shortcode is not an array
            if (!\is_array($shortcode)) {
                return $extracted;
            }
        }
        return $this->extract_shortcode($shortcode, $extracted);
    }
    /**
     * Extract the classes from a parsed shortcode
     *
     * @param array $shortcode The parsed shortcode
     * @param array $extracted The array of classes
     * @return array
     */
    public function extract_shortcode($shortcode, $extracted)
    {
        if (\array_key_exists('children', $shortcode)) {
            foreach ($shortcode['children'] as $child) {
                $extracted = $this->extract_shortcode($child, $extracted);
            }
        }
        if (\array_key_exists('options', $shortcode)) {
            if (\array_key_exists('plain_classes', $shortcode['options'])) {
                $plain_classes = $shortcode['options']['plain_classes'];
                // replace whitespaces into a whitespace
                $plain_classes = \preg_replace('#\\s+#', ' ', $plain_classes);
                // trim whitespace from begining and end
                $plain_classes = \trim($plain_classes);
                // split into array
                $plain_classes = \explode(' ', $plain_classes);
                // remove empty values
                $filtered = \array_filter($plain_classes, static fn($item) => !empty(\trim($item)));
                $extracted = \array_merge($extracted, $filtered);
            }
            if (\array_key_exists('classes', $shortcode['options'])) {
                $extracted = \array_merge($extracted, $shortcode['options']['classes']);
            }
        }
        return $extracted;
    }
}