<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName

if ( ! defined( 'ABSPATH' ) ) {
	exit( 0 );
}

/**
 * Get post backup endpoint class.
 *
 * /sites/%s/posts/%d/backup -> $blog_id, $post_id
 *
 * @phan-constructor-used-for-side-effects
 */
class Jetpack_JSON_API_Get_Post_Backup_Endpoint extends Jetpack_JSON_API_Endpoint {

	/**
	 * Needed capabilities.
	 *
	 * @var array
	 */
	protected $needed_capabilities = array(); // This endpoint is only accessible using a site token

	/**
	 * The post ID.
	 *
	 * @var int
	 */
	protected $post_id;

	/**
	 * Validate the input.
	 *
	 * @param int $post_id - the post ID.
	 */
	public function validate_input( $post_id ) {
		if ( empty( $post_id ) || ! is_numeric( $post_id ) ) {
			return new WP_Error( 'post_id_not_specified', __( 'You must specify a Post ID', 'jetpack' ), 400 );
		}

		$this->post_id = (int) $post_id;

		return true;
	}

	/**
	 * The result.
	 *
	 * @return array|WP_Error
	 */
	protected function result() {
		global $wpdb;

		// Disable Sync as this is a read-only operation and triggered by sync activity.
		\Automattic\Jetpack\Sync\Actions::mark_sync_read_only();

		$post = get_post( $this->post_id );
		if ( empty( $post ) ) {
			return new WP_Error( 'post_not_found', __( 'Post not found', 'jetpack' ), 404 );
		}

		// Fetch terms associated with this post object
		$terms = $wpdb->get_results(
			$wpdb->prepare(
				"SELECT term_taxonomy_id, term_order FROM {$wpdb->term_relationships} WHERE object_id = %d;",
				$post->ID
			)
		);

		return array(
			'post'  => (array) $post,
			'meta'  => get_post_meta( $post->ID ),
			'terms' => (array) $terms,
		);
	}
}
