<?php

namespace App\Console\Commands;

use App\Models\MailUser;
use Illuminate\Console\Command;

class UpdateMailboxStats extends Command
{
    protected $signature = 'mail:update-stats {--user=}';
    protected $description = 'Aktualisiert Mailquota und Nachrichtenzahl für alle Mailboxen (oder einen spezifischen Benutzer)';

    public function handle(): int
    {
        $query = MailUser::query()->where('is_active', true);

        if ($email = $this->option('user')) {
            $query->where('email', $email);
        }

        $users = $query->get();

        foreach ($users as $u) {
            $email = $u->email;
            $domain = explode('@', $email)[1];
            $local  = explode('@', $email)[0];
            $path   = "/var/mail/vhosts/{$domain}/{$local}";

            $usedBytes = 0;
            $messageCount = 0;

            if (is_dir($path)) {
                $usedBytes = (int) trim(shell_exec('du -sb '.escapeshellarg($path).' 2>/dev/null | cut -f1'));
            }

            $out = trim(shell_exec('doveadm mailbox status -u '.escapeshellarg($email).' messages INBOX 2>/dev/null'));
            if (preg_match('/messages=(\d+)/', $out, $m)) {
                $messageCount = (int) $m[1];
            }

            $u->update([
                'used_bytes' => $usedBytes,
                'message_count' => $messageCount,
                'stats_refreshed_at' => now(),
            ]);

            $this->info(sprintf("%-35s  %6.1f MiB  %4d Nachrichten", $email, $usedBytes / 1024 / 1024, $messageCount));
        }

        return Command::SUCCESS;
    }
}