<?php

namespace App\Livewire\Ui\Nx\Mail\Modal;

use LivewireUI\Modal\ModalComponent;

class QueueMessageModal extends ModalComponent
{
    public string $queueId;
    public array  $message = [];

    public function mount(string $queueId): void
    {
        $this->queueId = $queueId;
        $this->message = $this->fetchMessage($queueId);
    }

    public function delete(): void
    {
        @shell_exec('sudo postsuper -d ' . escapeshellarg($this->queueId) . ' 2>&1');
        $this->dispatch('toast', type: 'success', title: 'Nachricht gelöscht');
        $this->dispatch('queue:updated');
        $this->dispatch('closeModal');
    }

    public function hold(): void
    {
        @shell_exec('sudo postsuper -h ' . escapeshellarg($this->queueId) . ' 2>&1');
        $this->message['queue'] = 'hold';
        $this->dispatch('toast', type: 'info', title: 'Nachricht zurückgestellt');
        $this->dispatch('queue:updated');
        $this->dispatch('closeModal');
    }

    public function release(): void
    {
        @shell_exec('sudo postsuper -H ' . escapeshellarg($this->queueId) . ' 2>&1');
        $this->dispatch('toast', type: 'success', title: 'Nachricht freigegeben');
        $this->dispatch('queue:updated');
        $this->dispatch('closeModal');
    }

    public function render()
    {
        return view('livewire.ui.nx.mail.modal.queue-message-modal');
    }

    private function fetchMessage(string $id): array
    {
        // Get queue details from postqueue -j
        $out = trim(@shell_exec('postqueue -j 2>/dev/null') ?? '');
        foreach (explode("\n", $out) as $line) {
            $line = trim($line);
            if ($line === '') continue;
            $m = json_decode($line, true);
            if (!is_array($m) || ($m['queue_id'] ?? '') !== $id) continue;

            $recipients = $m['recipients'] ?? [];
            $rcptList   = array_map(fn($r) => [
                'address' => $r['address'] ?? '',
                'reason'  => $r['delay_reason'] ?? '',
            ], $recipients);

            // Try to get message headers
            $header = trim(@shell_exec('sudo postcat -hq ' . escapeshellarg($id) . ' 2>/dev/null') ?? '');

            return [
                'id'         => $id,
                'queue'      => $m['queue_name'] ?? 'deferred',
                'sender'     => $m['sender'] ?? '—',
                'recipients' => $rcptList,
                'size'       => (int)($m['message_size'] ?? 0),
                'arrival'    => (int)($m['arrival_time'] ?? 0),
                'header'     => mb_substr($header, 0, 3000),
            ];
        }

        return ['id' => $id, 'queue' => '—', 'sender' => '—', 'recipients' => [], 'size' => 0, 'arrival' => 0, 'header' => ''];
    }
}