<?php
/**
 * WordPress core lifecycle observation.
 *
 * @package Px320\SiteAudit
 */

declare(strict_types=1);

namespace Px320\SiteAudit\Checks\WordPress;

use Px320\SiteAudit\Checks\Checker;
use Px320\SiteAudit\Checks\FindingFactory;

final class CoreChecker implements Checker {
	private FindingFactory $findings;

	public function __construct( FindingFactory $findings ) {
		$this->findings = $findings;
	}

	public function id(): string {
		// phpcs:ignore WordPress.WP.CapitalPDangit.MisspelledInText -- Stable registry machine ID.
		return 'wordpress.core';
	}

	/**
	 * @return array<string, mixed>
	 */
	public function execute( string $timestamp ): array {
		$version = get_bloginfo( 'version' );

		if ( 1 !== preg_match( '/^[0-9]+\.[0-9]+(?:\.[0-9]+)?(?:[-+][0-9A-Za-z.-]+)?$/', $version ) ) {
			$status        = 'not_tested';
			$support_state = 'version_unavailable';
			$observed      = 0;
			$coverage      = 'none';
		} elseif ( version_compare( $version, '7.2', '>=' ) ) {
			$status        = 'not_tested';
			$support_state = 'outside_reviewed_rule_pack';
			$observed      = 0;
			$coverage      = 'none';
		} elseif ( version_compare( $version, '6.4', '<' ) ) {
			$status        = 'fail';
			$support_state = 'below_plugin_runtime_floor';
			$observed      = 1;
			$coverage      = 'complete';
		} elseif ( version_compare( $version, '7.1', '<' ) ) {
			$status        = 'warning';
			$support_state = 'compatible_legacy';
			$observed      = 1;
			$coverage      = 'complete';
		} else {
			$status        = 'pass';
			$support_state = 'reviewed_current';
			$observed      = 1;
			$coverage      = 'complete';
		}

		return $this->findings->build(
			$this->id(),
			$status,
			array(
				'installed_version'   => 'WordPress ' . ( '' === $version ? 'unavailable' : $version ),
				'recommended_version' => 'WordPress 7.1',
				'support_state'       => $support_state,
				'source_date'         => '2026-08-22',
			),
			$observed,
			1,
			$coverage,
			$timestamp
		);
	}
}