<?php

namespace App\Models;

use Namu\WireChat\Models\Attachment;

/**
 * Extends the WireChat Attachment model to override URL generation.
 *
 * The vendor model calls Storage::disk('local')->url() which throws because
 * the local disk has no web-accessible URL. We store files on the local disk
 * intentionally — access is gated through WireChatAttachmentController which
 * verifies the requester is a conversation participant before streaming the file.
 */
class WireChatAttachment extends Attachment
{
    protected function generateUrl(?string $path): ?string
    {
        if (! $path) {
            return null;
        }

        // Return the authenticated secure route instead of a direct storage URL.
        // The controller enforces participant-only access.
        $attachment = static::where('file_path', $path)->first();

        if (! $attachment) {
            return null;
        }

        return route('wirechat.attachment.serve', ['attachment' => $attachment->id]);
    }
}