<?php


namespace App\Livewire\Ui\System;

use Carbon\CarbonImmutable;
use Livewire\Component;

class BackupStatusCard extends Component
{
    public ?string $lastAt = null;       // finale Zeit
    public ?string $lastSize = null;     // menschenlesbar
    public ?string $lastDuration = null; // menschenlesbar
    public ?bool $ok = null;

    // Live-Status
    public bool $running = false;
    public ?string $step = null;
    public int $percent = 0;

    public function mount(): void
    {
        $this->load();
    }

    public function render()
    {
        return view('livewire.ui.system.backup-status-card');
    }

    public function refresh(): void
    {
        $this->load(true);
    }

    public function runNow(): void
    {
        // Script asynchron starten (sudoers muss gesetzt sein)
        @shell_exec('nohup sudo -n /usr/local/sbin/mailwolt-backup >/dev/null 2>&1 &');
        // Sofort UI auf "läuft" stellen – Poll holt echten Status nach
        $this->running = true;
        $this->step = 'start';
        $this->percent = 1;
    }

    protected function load(bool $force = false): void
    {
        $f = '/var/lib/mailwolt/backup.status';
        if (!is_file($f)) {
            return;
        }

        $data = [];
        foreach (@file($f, FILE_IGNORE_NEW_LINES) ?: [] as $ln) {
            if (strpos($ln, '=') !== false) {
                [$k, $v] = explode('=', $ln, 2);
                $data[$k] = $v;
            }
        }

        $state = $data['state'] ?? null;
        $this->running = ($state === 'running');

        // Progress
        $this->step = $data['step'] ?? null;
        $this->percent = (int)($data['percent'] ?? 0);

        // Finale Werte
        if ($state === 'done' || $state === 'failed') {
            $this->ok = ($data['ok'] ?? '') === '1';
            $ts = $data['finished_at'] ?? $data['start_at'] ?? null;
            $this->lastAt = $ts ? $this->fmtTs($ts) : null;

            $bytes = (int)($data['size'] ?? 0);
            $this->lastSize = $bytes ? $this->fmtBytes($bytes) : null;

            $dur = (int)($data['duration'] ?? 0);
            $this->lastDuration = $dur ? $this->fmtDuration($dur) : null;
        }
    }

    protected function fmtTs(string $iso): string
    {
        return CarbonImmutable::parse($iso)->tz(config('app.timezone'))
            ->format('d.m.Y H:i:s');
    }

    protected function fmtBytes(int $b): string
    {
        $u = ['B', 'KB', 'MB', 'GB', 'TB'];
        $i = 0;
        while ($b >= 1024 && $i < count($u) - 1) {
            $b /= 1024;
            $i++;
        }
        return sprintf('%.1f %s', $b, $u[$i]);
    }

    protected function fmtDuration(int $s): string
    {
        if ($s < 60) return $s . 's';
        $m = intdiv($s, 60);
        $r = $s % 60;
        if ($m < 60) return sprintf('%dm %02ds', $m, $r);
        $h = intdiv($m, 60);
        $m %= 60;
        return sprintf('%dh %02dm', $h, $m);
    }
}

//
//namespace App\Livewire\Ui\System;
//
//use Carbon\CarbonImmutable;
//use Illuminate\Support\Str;
//use Livewire\Component;
//
//class BackupStatusCard extends Component
//{
//    public ?string $lastAt = null;        // formatierte Zeit
//    public ?string $lastSize = null;      // human readable
//    public ?string $lastDuration = null;  // human readable
//    public ?bool $ok = null;
//
//    // Laufzeit/Progress
//    public string $state = 'idle';         // idle|running|done|error
//    public string $step = '';             // aktueller Schritt
//    public array $steps = [
//        'mysqldump' => 'Datenbank sichern',
//        'maildir' => 'Maildir kopieren',
//        'app' => 'App sichern',
//        'configs' => 'Configs sichern',
//        'archive' => 'Archiv erstellen',
//        'compress' => 'Komprimieren',
//        'retention' => 'Aufräumen',
//        'finish' => 'Abschluss',
//    ];
//
//    protected string $statusFile = '/var/lib/mailwolt/backup.status';
//
//    public function mount(): void
//    {
//        $this->load(true);
//    }
//
//    public function render()
//    {
//        return view('livewire.ui.system.backup-status-card');
//    }
//
//    public function refresh(): void
//    {
//        $this->load(true);
//    }
//
//    public function runNow(): void
//    {
//        @shell_exec('nohup sudo -n /usr/local/sbin/mailwolt-backup >/dev/null 2>&1 &');
//        // Sofort in "running" gehen – Poll übernimmt dann
//        $this->state = 'running';
//        $this->step = 'mysqldump';
//    }
//
//    public function load(bool $force = false): void
//    {
//        $raw = $this->readStatus();
//        $this->state = $raw['state'] ?? 'idle';
//        $this->step = $raw['step'] ?? '';
//
//        // Datum/Zeit hübsch
//        if (!empty($raw['time'])) {
//            $this->lastAt = $this->fmtTime($raw['time']);
//        } else {
//            $this->lastAt = null;
//        }
//
//        // Größe/Dauer hübsch
//        $bytes = isset($raw['size_bytes']) ? (int)$raw['size_bytes'] : null;
//        $secs = isset($raw['dur_seconds']) ? (int)$raw['dur_seconds'] : null;
//
//        $this->lastSize = $bytes !== null ? $this->humanBytes($bytes) : null;
//        $this->lastDuration = $secs !== null ? $this->humanDuration($secs) : null;
//        $this->ok = isset($raw['ok']) ? ((string)$raw['ok'] === '1') : null;
//    }
//
//    protected function readStatus(): array
//    {
//        if (!is_file($this->statusFile)) return [];
//        $out = [];
//        foreach (@file($this->statusFile, FILE_IGNORE_NEW_LINES) ?: [] as $ln) {
//            if (!str_contains($ln, '=')) continue;
//            [$k, $v] = array_map('trim', explode('=', $ln, 2));
//            $out[$k] = $v;
//        }
//
//        // Backward compatibility (alte Keys)
//        if (isset($out['size']) && !isset($out['size_bytes'])) {
//            $out['size_bytes'] = (int)$out['size'];
//        }
//        if (isset($out['dur']) && !isset($out['dur_seconds'])) {
//            $out['dur_seconds'] = (int)$out['dur'];
//        }
//
//        return $out;
//    }
//
//    protected function fmtTime(string $iso): string
//    {
//        try {
//            $tz = config('app.timezone', 'UTC');
//            // ISO aus Script ist idealerweise UTC (Z)
//            $dt = CarbonImmutable::parse($iso)->timezone($tz);
//            // z.B. 27.10.2025, 16:48:02 (CET)
//            return $dt->isoFormat('L, LTS') . ' ' . $dt->format('T');
//        } catch (\Throwable) {
//            return $iso;
//        }
//    }
//
//    protected function humanBytes(int $bytes): string
//    {
//        $units = ['B', 'KB', 'MB', 'GB', 'TB'];
//        $i = 0;
//        while ($bytes >= 1024 && $i < count($units) - 1) {
//            $bytes /= 1024;
//            $i++;
//        }
//        return number_format($bytes, $i === 0 ? 0 : 1, ',', '.') . ' ' . $units[$i];
//    }
//
//    protected function humanDuration(int $secs): string
//    {
//        if ($secs < 60) return $secs . ' s';
//        $m = intdiv($secs, 60);
//        $s = $secs % 60;
//        if ($m < 60) return sprintf('%d min %02d s', $m, $s);
//        $h = intdiv($m, 60);
//        $m = $m % 60;
//        return sprintf('%d h %02d min', $h, $m);
//    }
//}
//
////
////namespace App\Livewire\Ui\System;
////
////use Livewire\Component;
////
////class BackupStatusCard extends Component
////{
////    public ?string $lastAt = null;
////    public ?string $lastSize = null;
////    public ?string $lastDuration = null;
////    public ?bool $ok = null;
////
////    public function mount(): void { $this->load(); }
////    public function render() { return view('livewire.ui.system.backup-status-card'); }
////    public function refresh(): void { $this->load(true); }
////
////    public function runNow(): void
////    {
////        @shell_exec('nohup sudo -n /usr/local/sbin/mailwolt-backup >/dev/null 2>&1 &');
//////        $this->dispatch('toast', type:'info', title:'Backup gestartet');
////    }
////
////    protected function load(bool $force=false): void
////    {
////        // Example: parse a tiny status file your backup script writes.
////        $f = '/var/lib/mailwolt/backup.status';
////        if (is_file($f)) {
////            $lines = @file($f, FILE_IGNORE_NEW_LINES) ?: [];
////            foreach ($lines as $ln) {
////                if (str_starts_with($ln,'time=')) $this->lastAt = substr($ln,5);
////                if (str_starts_with($ln,'size=')) $this->lastSize = substr($ln,5);
////                if (str_starts_with($ln,'dur='))  $this->lastDuration = substr($ln,4);
////                if (str_starts_with($ln,'ok='))   $this->ok = (substr($ln,3) === '1');
////            }
////        }
////    }
////}