<?php

namespace App\Livewire\Ui\System;

use Carbon\Carbon;
use Livewire\Component;

class BackupStatusCard extends Component
{
    public string $lastAt = '–';
    public string $lastSize = '–';
    public string $lastDuration = '–';
    public string $statusText = 'unbekannt';
    public string $statusColor = 'text-white/60 border-white/20 bg-white/5';

    public string $progressText = '';
    public string $progressPercent = '0';
    public string $progressVisibleClass = 'hidden'; // <- Sichtbarkeit

    protected string $statusFile = '/var/lib/mailwolt/backup.status';

    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 &');
        // UI sofort auf "läuft" setzen
        $this->progressText = 'Vorbereitung läuft...';
        $this->progressPercent = '1';
        $this->progressVisibleClass = 'block';
    }

    protected function load(bool $force = false): void
    {
        $kv = [];
        if (is_file($this->statusFile)) {
            foreach (@file($this->statusFile, FILE_IGNORE_NEW_LINES) ?: [] as $ln) {
                $p = strpos($ln, '='); if ($p !== false) $kv[substr($ln,0,$p)] = substr($ln,$p+1);
            }
        }

        $state   = $kv['state'] ?? null;         // running | done | failed
        $step    = $kv['step'] ?? null;
        $percent = isset($kv['percent']) ? (int)$kv['percent'] : 0;
        $ok      = isset($kv['ok']) ? ((int)$kv['ok'] === 1) : null;

        // Anzeigeformatierungen wie gehabt …
        // (deine bestehenden formatBytes/formatDuration/Timezone-Logik)

        $this->progressPercent = (string)max(0, min(100, $percent));
        $this->progressText    = $this->mapStep($step);

        // Sichtbarkeit steuern – KEINE Blade-Logik nötig
        if ($state === 'running') {
            $this->progressVisibleClass = 'block';
        } else {
            // bei done/failed: Balken verstecken und auf 100% / finalen Text setzen
            $this->progressVisibleClass = 'hidden';
            if ($percent >= 100 || $step === 'done') {
                $this->progressPercent = '100';
                $this->progressText = 'Backup abgeschlossen.';
            }
        }

        // Status-Badge (wie gehabt)
        if ($ok === true) {
            $this->statusText = 'erfolgreich';
            $this->statusColor = 'text-emerald-300 border-emerald-400/30 bg-emerald-500/10';
        } elseif ($ok === false) {
            $this->statusText = 'fehlgeschlagen';
            $this->statusColor = 'text-rose-300 border-rose-400/30 bg-rose-500/10';
        } else {
            $this->statusText = 'unbekannt';
            $this->statusColor = 'text-white/60 border-white/20 bg-white/5';
        }
    }

    private function mapStep(?string $step): string
    {
        return match($step) {
            'mysqldump' => 'Datenbank wird gesichert...',
            'maildir'   => 'Mail-Verzeichnis wird archiviert...',
            'app'       => 'Anwendungsdaten werden gesichert...',
            'configs'   => 'Konfigurationen werden gesichert...',
            'compress'  => 'Backup wird komprimiert...',
            'retention' => 'Alte Backups werden gelöscht...',
            'done'      => 'Backup abgeschlossen.',
            default     => 'Vorbereitung läuft...',
        };
    }
}

//
//class BackupStatusCard extends Component
//{
//    public string $lastAt = '–';
//    public string $lastSize = '–';
//    public string $lastDuration = '–';
//    public string $statusText = 'unbekannt';
//    public string $statusColor = 'text-white/60 border-white/20 bg-white/5';
//    public string $progressText = '';
//    public string $progressPercent = '0';
//    public bool $running = false;
//    protected string $statusFile = '/var/lib/mailwolt/backup.status';
//
//    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->running = true;
//        $this->progressText = 'Starte Backup...';
//        $this->progressPercent = '1';
//    }
//
//    protected function load(bool $force = false): void
//    {
//        if (!is_file($this->statusFile)) {
//            $this->running = false;
//            return;
//        }
//
//        $kv = [];
//        foreach (@file($this->statusFile, FILE_IGNORE_NEW_LINES) ?: [] as $ln) {
//            $p = strpos($ln, '=');
//            if ($p !== false) {
//                $kv[substr($ln, 0, $p)] = substr($ln, $p + 1);
//            }
//        }
//
//        $state = $kv['state'] ?? null;
//        $step = $kv['step'] ?? null;
//        $percent = isset($kv['percent']) ? (int)$kv['percent'] : 0;
//        $ok = isset($kv['ok']) ? ((int)$kv['ok'] === 1) : null;
//
//        // Formatierung
//        $tz = config('app.timezone', 'Europe/Berlin');
//        $finished = $kv['finished_at'] ?? $kv['start_at'] ?? null;
//        $this->lastAt = $finished
//            ? Carbon::parse($finished)->setTimezone($tz)->format('d.m.Y H:i:s')
//            : '–';
//
//        $this->lastSize = isset($kv['size'])
//            ? $this->formatBytes((int)$kv['size'])
//            : '–';
//
//        $this->lastDuration = isset($kv['duration'])
//            ? $this->formatDuration((int)$kv['duration'])
//            : '–';
//
//        // Fortschritt
//        $this->progressPercent = (string)$percent;
//        $this->progressText = $this->mapStep($step);
//
//        // Status
//        $this->running = ($state === 'running');
//
//        if ($ok === true) {
//            $this->statusText = 'erfolgreich';
//            $this->statusColor = 'text-emerald-300 border-emerald-400/30 bg-emerald-500/10';
//        } elseif ($ok === false) {
//            $this->statusText = 'fehlgeschlagen';
//            $this->statusColor = 'text-rose-300 border-rose-400/30 bg-rose-500/10';
//        } else {
//            $this->statusText = 'unbekannt';
//            $this->statusColor = 'text-white/60 border-white/20 bg-white/5';
//        }
//    }
//
//    private function formatBytes(int $b): string
//    {
//        if ($b >= 1024 * 1024 * 1024) return number_format($b / (1024 * 1024 * 1024), 1) . ' GB';
//        if ($b >= 1024 * 1024) return number_format($b / (1024 * 1024), 1) . ' MB';
//        if ($b >= 1024) return number_format($b / 1024, 0) . ' KB';
//        return $b . ' B';
//    }
//
//    private function formatDuration(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 = $m % 60;
//        return sprintf('%dh %02dm %02ds', $h, $m, $r);
//    }
//
//    private function mapStep(?string $step): string
//    {
//        return match ($step) {
//            'mysqldump' => 'Datenbank wird gesichert...',
//            'maildir' => 'Mail-Verzeichnis wird archiviert...',
//            'app' => 'Anwendungsdaten werden gesichert...',
//            'configs' => 'Konfigurationen werden gesichert...',
//            'compress' => 'Backup wird komprimiert...',
//            'retention' => 'Alte Backups werden gelöscht...',
//            'done' => 'Backup abgeschlossen.',
//            default => 'Vorbereitung läuft...',
//        };
//    }
//}
//
////
////
////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');
////////            }
////////        }
////////    }
////////}