<?php
if (!defined('ABSPATH')) exit;

return new class extends ATT_HC_Step {
    public function id(): string { return 'backup'; }
    public function title(): string { return 'Step 1 — Take a Full Backup'; }
    public function blurb(): string {
        return 'Before any work takes place, take a complete backup manually. Do not rely on the most recent automated backup.';
    }
    public function sub_items(): array {
        return [
            'Back up both the database and all files (wp-content, wp-config.php, .htaccess)',
            'Confirm the backup has completed and is accessible/downloadable',
            'Note the backup location and timestamp in the client record',
        ];
    }
    public function escalation(): ?string {
        return 'If the backup fails or cannot be confirmed, stop. Do not proceed until you have a verified backup.';
    }

    public function autocheck(array $session_state): array {
        if (!function_exists('get_plugins')) require_once ABSPATH . 'wp-admin/includes/plugin.php';
        $plugins = get_plugins();

        // Map known backup plugins: slug → friendly label.
        $known = [
            'updraftplus/updraftplus.php'                         => 'UpdraftPlus',
            'backwpup/backwpup.php'                               => 'BackWPup',
            'backup-backup/backup-backup.php'                     => 'Backup Migration',
            'duplicator/duplicator.php'                           => 'Duplicator',
            'wpvivid-backuprestore/wpvivid-backuprestore.php'     => 'WPvivid',
            'all-in-one-wp-migration/all-in-one-wp-migration.php' => 'All-in-One WP Migration',
            'blogvault-real-time-backup/blogvault.php'            => 'BlogVault',
            'jetpack/jetpack.php'                                 => 'Jetpack (VaultPress)',
            'solid-backups/backupbuddy.php'                       => 'Solid Backups',
            'backupbuddy/backupbuddy.php'                         => 'BackupBuddy',
            'wp-time-capsule/wp-time-capsule.php'                 => 'WP Time Capsule',
        ];

        $found = [];
        foreach ($known as $file => $label) {
            if (isset($plugins[$file])) {
                $found[$file] = [
                    'label'  => $label,
                    'active' => is_plugin_active($file),
                ];
            }
        }

        $f = [];
        if (empty($found)) {
            $f[] = $this->finding(
                'no_backup_plugin', 'bad',
                'No recognised backup plugin installed', '',
                'None of the common backup plugins were detected. Confirm host-side backups instead, or install one.'
            );
            return $f;
        }

        $any_active = false;
        foreach ($found as $file => $meta) {
            if ($meta['active']) $any_active = true;
            $f[] = $this->finding(
                'plugin_' . sanitize_key($file),
                $meta['active'] ? 'ok' : 'warn',
                $meta['label'],
                $meta['active'] ? 'active' : 'installed but inactive',
                ''
            );
        }
        if (!$any_active) {
            $f[] = $this->finding(
                'no_active', 'bad',
                'No backup plugin is active', '',
                'A backup plugin is installed but not active — activate before proceeding.'
            );
        }

        // UpdraftPlus — surface last backup timestamp if available.
        if (isset($found['updraftplus/updraftplus.php'])) {
            $last = get_option('updraft_last_backup');
            if (is_array($last) && !empty($last['backup_time'])) {
                $age_days = floor((time() - (int) $last['backup_time']) / DAY_IN_SECONDS);
                $level = $age_days > 7 ? 'warn' : 'ok';
                $f[] = $this->finding(
                    'updraft_last',
                    $level,
                    'UpdraftPlus — last backup',
                    date('Y-m-d H:i', (int) $last['backup_time']),
                    $age_days . ' day(s) ago' . (!empty($last['backup_nonce']) ? '. Nonce ' . substr((string) $last['backup_nonce'], 0, 8) : '')
                );
            }
        }

        return $f;
    }
};