<?php

namespace Chill\DocGeneratorBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\HeaderUtils;
use Symfony\Component\Routing\Annotation\Route;
use ChampsLibres\AsyncUploaderBundle\TempUrl\TempUrlOpenstackGenerator;
use PhpOffice\PhpWord\TemplateProcessor;

/**
 * Class DocGeneratorController
 *
 * @package Chill\DocGenerator\Controller
 */
class DocGeneratorController extends AbstractController
{
    /**
     * @Route(
     *  "{_locale}/doc/gen/test",
     *  name="chill_docgenerator_test"
     * )
     *
     * @param Request $request
     * @return \Symfony\Component\HttpFoundation\Response
     */
    public function testAction()
    {
        return (new Response())
            ->setContent('Test');
    }

    /**
     * @Route(
     *  "{_locale}/doc/gen/test",
     *  name="chill_docgenerator_test"
     * )
     *
     * @param Request $request
     * @return \Symfony\Component\HttpFoundation\Response
     */
    public function getDoc(Request $request, TempUrlOpenstackGenerator $tempUrlGenerator)
    {
        $p = $tempUrlGenerator->generate(
                'GET',
                'FORMULAIRE_AEB.docx',
                $request->query->has('expires_delay') ? $request->query->getInt('expires_delay', 0) : null
                );

        $tmpfname = tempnam(sys_get_temp_dir(), 'DOC_TEMPLATE');
        file_put_contents($tmpfname, file_get_contents($p->{"url"}));

        $templateProcessor = new TemplateProcessor($tmpfname);
        $templateProcessor->setValues(array('firstname' => 'John', 'lastname' => 'Doe'));

        $tmpfname2 = tempnam(sys_get_temp_dir(), 'DOC_GENERATED');
        $templateProcessor->saveAs($tmpfname2);

        unlink($tmpfname);

        $fileContent = fopen($tmpfname2, 'r'); // the generated file content
        $response = new Response(fread($fileContent, filesize($tmpfname2)));

        $disposition = HeaderUtils::makeDisposition(
            HeaderUtils::DISPOSITION_ATTACHMENT,
            'foo.docx'
        );

        $response->headers->set('Content-Disposition', $disposition);
        unlink($tmpfname2);

        return $response;
    }
}