<?php

namespace App\Livewire\Ui\System;

use Livewire\Component;
use Illuminate\Support\Facades\Cache;

class AlertsCard extends Component
{
    /** Example structure you can fill from your scheduler/commands */
    public array $alerts = []; // [['level'=>'warn|error','msg'=>'text','when'=>'...'], ...]

    public function mount(): void { $this->load(); }
    public function render() { return view('livewire.ui.system.alerts-card'); }
    public function refresh(): void { $this->load(true); }

    protected function load(bool $force=false): void
    {
        $this->alerts = Cache::remember('dash.alerts', $force ? 1 : 60, function () {
            $a = [];

            // examples: push items based on simple heuristics/files you already have
            if (is_file('/var/lib/mailwolt/update/state') && trim(@file_get_contents('/var/lib/mailwolt/update/state')) === 'running') {
                $a[] = ['level'=>'info','msg'=>'Update läuft …','when'=>date('H:i')];
            }
            $cert = '/etc/ssl/ui/fullchain.pem';
            if (is_file($cert)) {
                $end = trim(@shell_exec("openssl x509 -enddate -noout -in ".escapeshellarg($cert)." 2>/dev/null") ?? '');
                if (preg_match('/notAfter=(.+)/', $end, $m)) {
                    $ts = strtotime($m[1] ?? '');
                    if ($ts && $ts - time() < 14*86400) {
                        $days = max(0, floor(($ts-time())/86400));
                        $a[] = ['level'=>'warn','msg'=>"UI-Zertifikat läuft in {$days} Tagen ab",'when'=>date('H:i')];
                    }
                }
            }

            return $a;
        });
    }
}