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<!DOCTYPE html>
<html>
<?php

namespace Elementor\Modules\EditorOne\Classes;

use Elementor\Core\Admin\EditorOneMenu\Menu\Legacy_Submenu_Item;
use Elementor\Core\Admin\EditorOneMenu\Menu\Legacy_Submenu_Item_Not_Mapped;
use Elementor\Core\Admin\EditorOneMenu\Menu\Third_Party_Pages_Menu;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

class Legacy_Submenu_Interceptor {

	private Menu_Data_Provider $menu_data_provider;

	private Slug_Normalizer $slug_normalizer;

	private bool $third_party_parent_menu_registered = false;

	public function __construct( Menu_Data_Provider $menu_data_provider, Slug_Normalizer $slug_normalizer ) {
		$this->menu_data_provider = $menu_data_provider;
		$this->slug_normalizer = $slug_normalizer;
	}

	public function intercept_all( bool $is_pro_module_enabled ): void {
		global $submenu;

		$this->intercept_elementor_menu_items(
			$submenu[ Menu_Config::ELEMENTOR_MENU_SLUG ] ?? [],
			$is_pro_module_enabled
		);

		if ( $is_pro_module_enabled ) {
			return;
		}

		$this->intercept_templates_menu_items(
			$submenu[ Menu_Config::LEGACY_TEMPLATES_SLUG ] ?? []
		);
	}

	public function intercept_elementor_menu_items( array $submenu_items, bool $is_pro_module_enabled ): array {
		if ( empty( $submenu_items ) ) {
			return $submenu_items;
		}

		$legacy_pro_mapping = Menu_Config::get_legacy_pro_mapping();
		$items_to_remove = [];

		foreach ( $submenu_items as $index => $submenu_item ) {
			$item_slug = $submenu_item[2] ?? '';

			if ( empty( $item_slug ) ) {
				continue;
			}

			if ( $this->menu_data_provider->is_item_already_registered( $item_slug ) ) {
				continue;
			}

			$mapping_key = $this->find_mapping_key( $item_slug, $legacy_pro_mapping );

			if ( null !== $mapping_key ) {
				if ( ! $is_pro_module_enabled ) {
					$this->register_mapped_item( $submenu_item, $mapping_key, $legacy_pro_mapping );
				}
			} else {
				$this->register_unmapped_item( $submenu_item );
			}

			$items_to_remove[] = $index;
		}

		foreach ( $items_to_remove as $index ) {
			unset( $submenu_items[ $index ] );
		}

		return $submenu_items;
	}

	public function intercept_templates_menu_items( array $submenu_items ): array {
		if ( empty( $submenu_items ) ) {
			return $submenu_items;
		}

		$items_to_remove = [];

		foreach ( $submenu_items as $index => $submenu_item ) {
			$item_slug = $submenu_item[2] ?? '';

			if ( empty( $item_slug ) ) {
				continue;
			}

			if ( $this->menu_data_provider->is_item_already_registered( $item_slug ) ) {
				$items_to_remove[] = $index;
				continue;
			}

			$submenu_item[4] = Menu_Config::TEMPLATES_GROUP_ID;
			$legacy_item = new Legacy_Submenu_Item( $submenu_item, Menu_Config::LEGACY_TEMPLATES_SLUG );

			$this->menu_data_provider->register_menu( $legacy_item );

			$items_to_remove[] = $index;
		}

		foreach ( $items_to_remove as $index ) {
			unset( $submenu_items[ $index ] );
		}

		return $submenu_items;
	}

	public function find_mapping_key( string $item_slug, array $mapping ): ?string {
		if ( isset( $mapping[ $item_slug ] ) ) {
			return $item_slug;
		}

		$decoded_slug = html_entity_decode( $item_slug );

		if ( isset( $mapping[ $decoded_slug ] ) ) {
			return $decoded_slug;
		}

		$normalized_slug = $this->slug_normalizer->normalize( $item_slug );

		foreach ( $mapping as $key => $value ) {
			$normalized_key = $this->slug_normalizer->normalize( $key );

			if ( $normalized_slug === $normalized_key ) {
				return $key;
			}
		}

		return null;
	}

	private function register_mapped_item( array $submenu_item, string $mapping_key, array $legacy_pro_mapping ): void {
		$item_slug = $submenu_item[2];

		if ( isset( $legacy_pro_mapping[ $mapping_key ]['label'] ) ) {
			$submenu_item[0] = $legacy_pro_mapping[ $mapping_key ]['label'];
		}

		$position = Menu_Config::get_attribute_mapping()[ $item_slug ]['position'] ?? 100;
		$group_id = $legacy_pro_mapping[ $mapping_key ]['group'];
		$submenu_item[4] = $group_id;

		$legacy_item = new Legacy_Submenu_Item( $submenu_item, Menu_Config::ELEMENTOR_MENU_SLUG, $position );

		$this->menu_data_provider->register_menu( $legacy_item );
	}

	private function register_unmapped_item( array $submenu_item ): void {
		$this->ensure_third_party_parent_registered();

		$item_slug = $submenu_item[2];
		$position = Menu_Config::get_attribute_mapping()[ $item_slug ]['position'] ?? 100;

		$legacy_item = new Legacy_Submenu_Item_Not_Mapped( $submenu_item, Menu_Config::ELEMENTOR_MENU_SLUG, $position );

		$this->menu_data_provider->register_menu( $legacy_item );
	}

	private function ensure_third_party_parent_registered(): void {
		if ( $this->third_party_parent_menu_registered ) {
			return;
		}

		$this->menu_data_provider->register_menu( new Third_Party_Pages_Menu() );
		$this->third_party_parent_menu_registered = true;
	}
}
