<?php

declare(strict_types=1);

namespace AetosSeo\Core;

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

class Deactivator
{
    /**
     * Unschedule all cron events registered by this plugin.
     *
     * We use wp_unschedule_hook when available (WP 5.1+), and fall back to
     * iterating the cron array to remove events with any args.
     */
    private static function unschedule_hook_all(string $hook): void
    {
        if (function_exists('wp_unschedule_hook')) {
            // Unschedule all events for this hook (regardless of args).
            wp_unschedule_hook($hook);
            return;
        }

        // Fallback for very old WP: iterate cron array and unschedule events.
        if (!function_exists('_get_cron_array') || !function_exists('wp_unschedule_event')) {
            return;
        }

        $crons = _get_cron_array();
        if (!is_array($crons)) {
            return;
        }

        foreach ($crons as $timestamp => $hooks) {
            if (!is_array($hooks) || empty($hooks[$hook]) || !is_array($hooks[$hook])) {
                continue;
            }
            foreach ($hooks[$hook] as $sig => $data) {
                $args = [];
                if (is_array($data) && isset($data['args']) && is_array($data['args'])) {
                    $args = $data['args'];
                }
                wp_unschedule_event((int) $timestamp, $hook, $args);
            }
        }
    }

    public static function deactivate(): void
    {
        // Clean up scheduled events.
        self::unschedule_hook_all('aetos_seo_run_audit_job');
        self::unschedule_hook_all('aetos_seo_run_crawl_batch_job');

        // Legacy hook names from earlier builds; safe no-op on current installs.
        self::unschedule_hook_all('aetos_seo_crawl_batch');
    }
}