<?php

namespace WPAdminify\Inc\Modules\PostDuplicator;

use WPAdminify\Inc\Utils;
// no direct access allowed
if (!defined('ABSPATH'))  exit;

/**
 * WP Adminify
 * @package Duplicate Post/Page/Custom Posts
 *
 * @author Jewel Theme <support@jeweltheme.com>
 */


if (!defined('ABSPATH')) exit; // If this file is called directly, abort.

class PostDuplicator
{

    public function __construct()
    {
        add_action('admin_action_adminify_duplicate', [$this, 'adminify_duplicate_post_as_draft']);
        add_filter('post_row_actions', [$this, 'jltma_duplicator_row_actions'], 10, 2);
        add_filter('page_row_actions', [$this, 'jltma_duplicator_row_actions'], 10, 2);
    }


    /*
	 * Add the duplicate link to action list for post_row_actions
	 */
    public function jltma_duplicator_row_actions($actions, $post)
    {
        if (current_user_can('edit_posts')) {

            $adminify_duplicate_link = admin_url('admin.php?action=adminify_duplicate&post=' . $post->ID);
            $adminify_duplicate_link = wp_nonce_url($adminify_duplicate_link, 'jltma_post_duplicator_nonce');

            $actions['adminify_duplicate'] = sprintf('<a href="%s" title="%s" rel="permalink">%s</a>', $adminify_duplicate_link,  __('Duplicate this item ' . $post->post_title, 'adminify'), esc_html__('Adminify Clone', 'adminify'));
        }
        return $actions;
    }


    /*
	 * Function creates post duplicate as a draft and redirects then to the edit post screen
	 */
    public function adminify_duplicate_post_as_draft()
    {

        global $wpdb;

        if (!(isset($_GET['post']) || isset($_POST['post'])  || (isset($_REQUEST['action']) && 'adminify_duplicate' == $_REQUEST['action']))) {
            wp_die('No post to duplicate has been supplied!');
        }

        /*
		 * Nonce verification
		 * Return if nonce is not valid
		 */
        if (!wp_verify_nonce($_REQUEST['_wpnonce'], 'jltma_post_duplicator_nonce')) {
            return;
        }

        /*
		 * get the original post id
		 */
        $post_id = (isset($_GET['post']) ? absint($_GET['post']) : absint($_POST['post']));
        /*
		 * and all the original post data then
		 */
        $post = get_post($post_id);

        /*
		 * if you don't want current user to be the new post author,
		 * then change next couple of lines to this: $new_post_author = $post->post_author;
		 */
        $current_user = wp_get_current_user();
        $new_post_author = $current_user->ID;

        /*
		 * if post data exists, create the post duplicate
		 */
        if (isset($post) && $post != null) {

            /*
			 * new post data array
			 */
            $args = array(
                'post_title'     => $post->post_title,
                'post_type'      => $post->post_type,
                'post_content'   => $post->post_content,
                'post_excerpt'   => $post->post_excerpt,
                'post_author'    => $new_post_author,
                'comment_status' => $post->comment_status,
                'ping_status'    => $post->ping_status,
                'post_name'      => $post->post_name,
                'post_parent'    => $post->post_parent,
                'post_password'  => $post->post_password,
                'post_status'    => 'draft',
                'to_ping'        => $post->to_ping,
                'menu_order'     => $post->menu_order
            );

            /*
			 * insert the post by wp_insert_post() function
			 */
            $new_post_id = wp_insert_post($args);

            /*
			 * get all current post terms ad set them to the new post draft
			 */
            $taxonomies = get_object_taxonomies($post->post_type); // returns array of taxonomy names for post type, ex array("category", "post_tag");
            foreach ($taxonomies as $taxonomy) {
                $post_terms = wp_get_object_terms($post_id, $taxonomy, array('fields' => 'slugs'));
                wp_set_object_terms($new_post_id, $post_terms, $taxonomy, false);
            }

            /*
			 * duplicate all post meta just in two SQL queries
			 */
            $post_meta_infos = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->postmeta WHERE post_id=$post_id");
            if (count($post_meta_infos) != 0) {
                $sql_query = "INSERT INTO $wpdb->postmeta (post_id, meta_key, meta_value) ";
                foreach ($post_meta_infos as $meta_info) {
                    $meta_key = $meta_info->meta_key;
                    if ($meta_key == '_wp_old_slug') continue;
                    if ($meta_key == \Elementor\Core\Files\CSS\Post::META_KEY) continue;
                    $meta_value = $meta_info->meta_value;
                    $sql_query_sel[] = $wpdb->prepare("SELECT %d, %s, %s", $new_post_id, $meta_key, $meta_value);
                }
                $sql_query .= implode(" UNION ALL ", $sql_query_sel);
                $wpdb->query($sql_query);
            }


            /*
			 * finally, redirect to the edit post screen for the new draft
			 */
            $redirect_url = admin_url('edit.php?post_type=' . $post->post_type);
            wp_safe_redirect($redirect_url);

            exit;
        } else {
            wp_die('Post creation failed, could not find original post: ' . $post_id);
        }
    }
}