<?php
/**
 * Resolve only the default WordPress custom-code roots approved by policy.
 *
 * @package Px320\SiteAudit
 */

declare(strict_types=1);

namespace Px320\SiteAudit\Code;

use Px320\SiteAudit\Filesystem\WordPressPathProvider;

final class WordPressCodeScopeProvider {
	private WordPressPathProvider $paths;

	public function __construct( ?WordPressPathProvider $paths = null ) {
		$this->paths = $paths ?? new WordPressPathProvider();
	}

	/**
	 * @return list<array{scope:string,path:string,type:string}>
	 */
	public function seeds(): array {
		$seeds      = array();
		$stylesheet = get_stylesheet_directory();
		$template   = get_template_directory();
		if ( is_string( $stylesheet ) && '' !== $stylesheet ) {
			$seeds[] = array(
				'scope' => 'active_theme',
				'path'  => $stylesheet,
				'type'  => 'directory',
			);
		}
		if ( is_string( $template ) && '' !== $template && $template !== $stylesheet ) {
			$seeds[] = array(
				'scope' => 'parent_theme',
				'path'  => $template,
				'type'  => 'directory',
			);
		}

		$mu_root = $this->paths->mu_plugins_root();
		if ( '' !== $mu_root && is_dir( $mu_root ) ) {
			$seeds[] = array(
				'scope' => 'mu_plugins',
				'path'  => $mu_root,
				'type'  => 'directory',
			);
		}

		foreach ( array( 'advanced-cache.php', 'db.php', 'db-error.php', 'install.php', 'maintenance.php', 'object-cache.php', 'php-error.php', 'sunrise.php' ) as $drop_in ) {
			$path = $this->paths->content_file( $drop_in );
			if ( is_file( $path ) ) {
				$seeds[] = array(
					'scope' => 'drop_ins',
					'path'  => $path,
					'type'  => 'file',
				);
			}
		}

		return $seeds;
	}
}