<?php

namespace App\UI\FakturaDetail;

use App\Model\Faktura\FakturaPdf;
use App\UI\BasePresenter;
use App\Model\Facade\FakturaFacade;
use Nette\Application\Responses\CallbackResponse;

class FakturaDetailPresenter extends BasePresenter
{
    public function __construct(
        private FakturaFacade $fakturaFacade,
        private FakturaPdf $fakturaPdf,
    ) {
        parent::__construct();
    }

    public function actionPdf(int $id, bool $tisk = false): void
    {
        $faktura = $this->fakturaFacade->getById($id);
        if (!$faktura) {
            $this->error('Faktura nebyla nalezena.', 404);
        }

        $pdf = $this->fakturaPdf->render($faktura, $this->fakturaFacade->getPolozky($id), $tisk);
        $fileName = FakturaPdf::fileName((string) $faktura->CISLO);
        $disposition = $tisk ? 'inline' : 'attachment';

        $this->sendResponse(new CallbackResponse(function ($httpRequest, $httpResponse) use ($pdf, $fileName, $disposition): void {
            $httpResponse->setContentType('application/pdf');
            $httpResponse->setHeader(
                'Content-Disposition',
                $disposition . '; filename="' . $fileName . '"'
            );
            echo $pdf;
        }));
    }

    public function renderDefault(int $id): void
    {
        $faktura = $this->fakturaFacade->getById($id);

        if (!$faktura) {
            $this->flashMessage('Faktura nebyla nalezena.', 'danger');
            $this->redirect('Faktura:default');
        }

        $polozky = $this->fakturaFacade->getPolozky($id);

        // Výpočet celkové částky
        $celkem = 0;
        foreach ($polozky as $p) {
            $celkem += (float) $p->CENA;
        }

        $this->template->faktura = $faktura;
        $this->template->polozky = $polozky;
        $this->template->celkem = $celkem;
    }
}