<?php
/**
 * Page Importer.
 *
 * @since 2.0.0
 */

namespace KraftPlugins\DemoImporterPlus;

use Demo_Importer_Plus;

class PageImporter extends Importer {

	/**
	 * Demo ID.
	 *
	 * @var int
	 */
	protected int $demo_id;

	/**
	 * Page ID.
	 *
	 * @var int
	 */
	protected int $page_id;

	/**
	 * New Page ID.
	 *
	 * @var int
	 */
	protected int $new_page_id;

	/**
	 * Constructor.
	 */
	public function __construct( int $page_id, int $demo_id ) {
		parent::__construct();
		$this->page_id = $page_id;
		$this->demo_id = $demo_id;
	}

	/**
	 * Import Page.
	 *
	 * @return array
	 * @since 2.0.0
	 */
	public function import() {
		$default_page_builder = Demo_Importer_Plus::get_instance()->get_setting( 'page_builder' );

		$server    = new DemoServer();
		$page_data = $server->fetch_page( $this->page_id, $this->demo_id );

		$content = $page_data[ 'original_content' ] ?? $page_data[ 'content' ][ 'rendered' ] ?? '';

		if ( 'elementor' === $default_page_builder ) {
			if ( isset( $page_data[ 'options-data' ][ 'elementor_load_fa4_shim' ] ) ) {
				update_option( 'elementor_load_fa4_shim', wp_kses_post( $page_data[ 'options-data' ][ 'elementor_load_fa4_shim' ] ) );
			}
		}

		$post_args = array(
			'post_type'    => 'page',
			'post_status'  => 'draft',
			'post_title'   => sanitize_text_field( $page_data[ 'title' ][ 'rendered' ] ?? '' ),
			'post_content' => wp_kses_post( $content ),
			'post_excerpt' => wp_kses_post( $page_data[ 'excerpt' ][ 'rendered' ] ),
		);

		$this->new_page_id = wp_insert_post( $post_args );

		// TODO: Look for use of this meta.
		update_post_meta( $this->new_page_id, '_demo_importer_enable_for_batch', true );

		$post_metas = $page_data[ 'post-meta' ] ?? array();
		$this->import_post_meta( is_array( $post_metas ) ? $post_metas : array() );

		$options = $page_data[ 'options-data' ] ?? array();
		$this->import_options( is_array( $options ) ? $options : array() );

		do_action( 'demo_importer_plus_process_single', $this->new_page_id, $this );

		return array(
			'remove-page-id' => $this->page_id,
			'id'             => $this->new_page_id,
			'link'           => get_permalink( $this->new_page_id ),
		);
	}

	/**
	 * Import Post Meta.
	 *
	 * @param array $meta Meta Data.
	 */
	protected function import_post_meta( array $meta ) {
		foreach ( $meta as $meta_key => $meta_value ) {
			if ( '_elementor_data' === $meta_key ) {

				$meta_value = json_decode( $meta_value, true );

				if ( is_array( $meta_value ) ) {
					$meta_value = wp_slash( wp_json_encode( $meta_value ) );
				}
			} else if ( is_serialized( $meta_value, true ) ) {
				$meta_value = maybe_unserialize( stripslashes( $meta_value ) );
			}

			update_post_meta( $this->new_page_id, $meta_key, $meta_value );
		}
	}

	/**
	 * Import Options Data.
	 *
	 * @param array $options_data Options Data.
	 * TODO: Requires validation.
	 */
	protected function import_options( array $options_data ) {
		foreach ( $options_data as $option => $value ) {
			update_option( $option, sanitize_text_field( $value ) );
		}
	}
}