<?php

namespace App\Observers;

use App\Models\Document;
use App\Services\SiteRevalidationService;

class DocumentObserver
{
    private const RELEVANT_FIELDS = [
        'title',
        'document_number',
        'description',
        'document_category_id',
        'access_level',
        'status',
        'archived_at',
        'current_version_id',
        'version_count',
        'expires_at',
        'auto_archive_on_expiry',
        'expiry_notice',
        'deleted_at',
    ];

    public function created(Document $document): void
    {
        $this->revalidate($document);
    }

    public function updated(Document $document): void
    {
        if (! $document->wasChanged(self::RELEVANT_FIELDS)) {
            return;
        }

        $this->revalidate($document);
    }

    public function deleted(Document $document): void
    {
        $this->revalidate($document);
    }

    public function restored(Document $document): void
    {
        $this->revalidate($document);
    }

    private function revalidate(Document $document): void
    {
        SiteRevalidationService::revalidateDocument($document->public_uuid);
    }
}