<?php

namespace App\Livewire\Ui\Mail;

use Livewire\Component;

class BounceCard extends Component
{
    public int $bounces24h = 0;
    public array $topCodes = []; // [['code'=>'550', 'count'=>12], ...]

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

    protected function load(bool $force=false): void
    {
        // Parse last 2000 lines of mail log for status=bounced / defer / reject
        $log = @shell_exec('tail -n 2000 /var/log/mail.log 2>/dev/null') ?? '';
        $this->bounces24h = preg_match_all('/status=bounced/i', $log);

        $counts = [];
        if ($log) {
            if (preg_match_all('/\s([45]\d\d)\s/m', $log, $m)) {
                foreach ($m[1] as $c) $counts[$c] = ($counts[$c] ?? 0) + 1;
            }
        }
        arsort($counts);
        $this->topCodes = collect($counts)->take(5)->map(fn($v,$k)=>['code'=>$k,'count'=>$v])->values()->all();
    }
}