<?php

namespace App\Forms\Components;

use Closure;
use Filament\Forms\Components\Field;
use Spatie\MediaLibrary\MediaCollections\Models\Collections\MediaCollection;
use Spatie\MediaLibrary\MediaCollections\Models\Media;
use Str;
use Carbon\Carbon;
use Log;
use Storage;
use Symfony\Component\HttpFoundation\StreamedResponse;
use Livewire\Attributes\On;

class DocumentViewer extends Field
{


    protected string $view = 'forms.components.document-viewer';


    protected Closure|Media $document;

    public function document(Closure|Media $document): static
    {
        $this->document = $document;

        return $this;
    }

    public function getUrl(): ?string
    {
        $media = $this->evaluate($this->document);
        if ($media instanceof MediaCollection) {
            /** @var Media $document */
            $document = $media->first();

            return $document->getTemporaryUrl(Carbon::now()->addMinutes(5));
        }

        return null;
    }

    #[On('download-document')]
    public function downloadFile()
    {
        $media = $this->evaluate($this->document);
        if ($media instanceof MediaCollection) {
            /** @var Media $document */
            $stream = Storage::disk('s3')->readStream($media->first()->getPath());
            $response = new StreamedResponse(function () use ($stream) {
                fpassthru($stream);
            });
            dd($response);

            $response->headers->set('Content-Type', $this->getType());
            $response->headers->set('Content-Disposition', 'attachment; filename="' . basename('document') . '"');

            return $response;
        }

        return null;
    }

    public function getType(): ?string
    {
        $media = $this->evaluate($this->document);
        if ($media instanceof MediaCollection) {
            /** @var Media $document */
            $document = $media->first();

            return $document->getTypeFromMime();
        }

        return null;
    }

    public function getDocumentId(): string
    {
        return 'document-' . Str::random(12);
    }
}