<?php

declare( strict_types=1 );

namespace AcezSeo\Location;

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

/**
 * Enumerates page templates available for location rules — both classic PHP
 * templates and block theme (FSE) templates. Matching (which template a given
 * post uses) is a single core API for both kinds: get_page_template_slug().
 */
final class PageTemplates
{
	/**
	 * @return array<string, string> slug => label
	 */
	public static function all( string $post_type = 'page' ): array
	{
		$templates = array();

		foreach ( get_page_templates( null, $post_type ) as $label => $slug )
		{
			$templates[ $slug ] = $label;
		}

		if ( function_exists( 'get_block_templates' ) )
		{
			foreach ( get_block_templates( array(), 'wp_template' ) as $block_template )
			{
				$slug  = (string) $block_template->slug;
				$title = '' !== (string) $block_template->title ? (string) $block_template->title : $slug;

				if ( '' !== $slug )
				{
					$templates[ $slug ] = $title;
				}
			}
		}

		/**
		 * Filters the list of page templates available for location rules.
		 *
		 * @param array<string, string> $templates
		 */
		return (array) apply_filters( 'acez_seo_page_templates', $templates );
	}

	public static function current_slug( \WP_Post $post ): string
	{
		$slug = get_page_template_slug( $post->ID );

		return is_string( $slug ) ? $slug : '';
	}
}