<?php
/**
 * REST API Post Data Loader.
 *
 * Handles the retrieval of design data for the Addifect Studio.
 *
 * @package Addifect
 * @version 1.0.2
 */

defined( 'ABSPATH' ) || exit;

/**
 * Register the Post Data route.
 */
add_action(
	'rest_api_init',
	function () {
		register_rest_route(
			'addifect-client/v1',
			'/get-post-data',
			array(
				'methods'             => 'GET',
				'callback'            => 'addifect_get_post_data',
				'permission_callback' => 'addifect_load_post_permission_check',
				'args'                => array(
					'id' => array(
						'type'     => 'integer',
						'required' => true,
					),
				),
			)
		);
	}
);

/**
 * Load post design data via REST API.
 *
 * @param WP_REST_Request $request The request object.
 * @return WP_REST_Response The response object.
 */
function addifect_get_post_data( WP_REST_Request $request ) {
	$post_id = (int) $request->get_param( 'id' );
	$post    = get_post( $post_id );

	if ( ! $post ) {
		return new WP_Error(
			'post_not_found',
			'Post not found',
			array( 'status' => 404 )
		);
	}

	// Fetch the primary design JSON.
	$addifect_post_data = get_post_meta( $post_id, '_addifect_post_data', true );

	$addifect_design_post_data = '';

	if ( 'addifect_design' !== $post->post_type ) {
		$design_data = get_option( 'addifect_active_connection' );
		if ( $design_data && $design_data['design_id'] ) {
			$addifect_design_post_data = get_post_meta( (int) $design_data['design_id'], '_addifect_post_data', true );
		}
	}

	return new WP_REST_Response(
		array(
			'id'            => $post_id,
			'title'         => esc_html( $post->post_title ),
			'post_type'     => sanitize_key( $post->post_type ),
			'document_data' => $addifect_post_data,
			'design_data'   => $addifect_design_post_data,
		),
		200
	);
}