<?php

declare( strict_types=1 );

namespace AcezSeo\Data;

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

/**
 * Thin wrapper around WordPress post meta, scoped to fields defined in MetaFields.
 */
final class PostMetaRepository implements PostMetaRepositoryInterface
{
	public function get( int $post_id, string $meta_key ): mixed
	{
		$definitions = MetaFields::definitions();

		if ( ! isset( $definitions[ $meta_key ] ) )
		{
			return null;
		}

		if ( ! $this->has( $post_id, $meta_key ) )
		{
			return $definitions[ $meta_key ]['default'];
		}

		return get_post_meta( $post_id, $meta_key, true );
	}

	public function has( int $post_id, string $meta_key ): bool
	{
		return metadata_exists( 'post', $post_id, $meta_key );
	}

	public function update( int $post_id, string $meta_key, mixed $value ): bool
	{
		if ( ! isset( MetaFields::definitions()[ $meta_key ] ) )
		{
			return false;
		}

		return (bool) update_post_meta( $post_id, $meta_key, $value );
	}

	public function delete( int $post_id, string $meta_key ): bool
	{
		return delete_post_meta( $post_id, $meta_key );
	}
}