<?php

/*
 * This file is part of the Maestro Project.
 * Copyright (C) Compos Juliot
 */

namespace App\IU\Controller\Export;

use App\Application\Adapter\Query\Element\ElementGabValueQueryInterface;
use App\Application\Adapter\Query\Template\ReadQueryInterface;
use App\Application\Exception\SubException\UnprocessableEntityMaestroException;
use App\Application\View\Common\CommonIdView;
use App\Application\View\Page\PageElementsView;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\Security\Core\Security;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
use App\Application\Adapter\TemplateTwigExtensionInterface;

/**
 * @Route("/export/{id}/xml",
 *     name="export_xml",
 *     methods="GET",
 * )
 * @ParamConverter("get", class="App\Domain\Entity\Exports")
 */
final class ExportXMLAction
{
    /**
     * @throws UnprocessableEntityMaestroException
     */
    public function __invoke(
        Request $request,
        Security $security,
        ReadQueryInterface $templateReadQuery,
        ElementGabValueQueryInterface $elementGabValueQuery,
        TemplateTwigExtensionInterface $templateTwigExtension
    ): Response {
        $token = $request->headers->get('x-auth-token');

        $security->isGranted('MAESTRO_PROJECT_PROJECTS_READ', $token);

        $export = $request->attributes->get('get');

        $elementIds = [];

        foreach ($export->getTemplates() as $elementTypeTemplate) {
            $ids = $elementTypeTemplate->getElementsPIM() ?? [];

            foreach ($ids as $id) {
                $elementIds[] = $id;
            }
        }

        $view = new PageElementsView( // Not a 'real' PageElementsView since there is no pages in XML export
            null,
            $elementIds,
            $export->getId(),
            null
        );

        $elementsGabValues = $elementGabValueQuery->getElementsGabValues($view, $export);

        $templateId = $export->getTemplates()->first()->getDefaultTemplate();
        $templateView = new CommonIdView(
            $templateId
        );

        $exportContent = $templateReadQuery->getContent($elementsGabValues, $templateView, $export, null, []);

        $key = 'twig';
        $method = 'getContent';

        if (isset($exportContent['content'])) {
            if (!$templateTwigExtension->isHtml($exportContent['content'])) {
                $errors = $templateTwigExtension->validateContent($exportContent['content']);

                if (empty($errors)) {
                    return new Response($exportContent['content']); // JsonResponse will escape special chars
                } else {
                    $errorList = $templateTwigExtension->getValidationErrorList($errors);

                    throw new UnprocessableEntityMaestroException($errorList, $key, 'validateContent');
                }
            } else {
                throw new UnprocessableEntityMaestroException('(Found HTML instead of XML)', $key, 'validateStructure');
            }
        } else {
            throw new UnprocessableEntityMaestroException('Missing parameter ! No content provided !', $key, $method);
        }
    }
}