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<?php
/**
 * Class for the custom WP hooks.
 *
 * @package Merlin WP
 */

// Exit if accessed directly.
if (! defined('ABSPATH')) {
    exit;
}

class Merlin_Hooks
{
    /**
     * The class constructor.
     */
    public function __construct()
    {
        add_action('merlin_widget_settings_array', array( $this, 'fix_custom_menu_widget_ids' ));
        add_action('import_start', array( $this, 'maybe_disable_creating_different_size_images_during_import' ));
    }

    /**
     * Change the menu IDs in the custom menu widgets in the widget import data.
     * This solves the issue with custom menu widgets not having the correct (new) menu ID, because they
     * have the old menu ID from the export site.
     *
     * @param array $widget The widget settings array.
     */
    public function fix_custom_menu_widget_ids($widget)
    {
        // Skip (no changes needed), if this is not a custom menu widget.
        if (! array_key_exists('nav_menu', $widget) || empty($widget['nav_menu']) || ! is_int($widget['nav_menu'])) {
            return $widget;
        }

        // Get import data, with new menu IDs.
        $importer = new ProteusThemes\WPContentImporter2\Importer(array( 'fetch_attachments' => true ), new ProteusThemes\WPContentImporter2\WPImporterLogger());
        $importer->restore_import_data_transient();

        $importer_mapping = $importer->get_mapping();
        $term_ids         = empty($importer_mapping['term_id']) ? array() : $importer_mapping['term_id'];

        // Set the new menu ID for the widget.
        $widget['nav_menu'] = empty($term_ids[ $widget['nav_menu'] ]) ? $widget['nav_menu'] : $term_ids[ $widget['nav_menu'] ];

        return $widget;
    }

    /**
     * Wrapper function for the after all import action hook.
     *
     * @param int $selected_import_index The selected demo import index.
     */
    public function after_all_import_action($selected_import_index)
    {
        do_action('merlin_after_all_import', $selected_import_index);

        return true;
    }

    /**
     * Maybe disables generation of multiple image sizes (thumbnails) in the content import step.
     */
    public function maybe_disable_creating_different_size_images_during_import()
    {
        if (! apply_filters('merlin_regenerate_thumbnails_in_content_import', true)) {
            add_filter('intermediate_image_sizes_advanced', '__return_null');
        }
    }
}