<?php

declare(strict_types=1);

namespace DigiComp\AttachmentViewUtility\Tests\Functional;

use DigiComp\AttachmentViewUtility\Tests\Functional\Fixtures\SimpleAttachmentTemplateView;
use Neos\Eel\Context;
use Neos\Flow\SignalSlot\Dispatcher;
use Neos\Flow\Tests\FunctionalTestCase;
use Psr\Http\Message\ResponseInterface;

class AttachmentViewTraitTest extends FunctionalTestCase
{
    /**
     * @test
     */
    public function itCreatesAttachmentResponses(): void
    {
        $view = new SimpleAttachmentTemplateView([
            'templateSource' => 'TollesTemplate! {testVar}',
            'filenameEelExpression' => 'testVar + ".txt"',
            'attachmentCharset' => 'iso-8859-1'
        ]);
        $view->assign('testVar', '£ and € rates');

        $result = $view->render();
        static::assertInstanceOf(ResponseInterface::class, $result);
        static::assertEquals(
            'attachment; filename="£ and ? rates.txt"; filename*=UTF-8\'\'%C2%A3%20and%20%E2%82%AC%20rates.txt',
            $result->getHeaderLine('Content-Disposition')
        );
        static::assertEquals('text/plain; charset=iso-8859-1', $result->getHeaderLine('Content-Type'));
        static::assertEquals('TollesTemplate! £ and € rates', (string)$result->getBody());
    }

    /**
     * @test
     */
    public function itIsPossibleToSuppressCharset(): void
    {
        $view = new SimpleAttachmentTemplateView([
            'templateSource' => 'TollesTemplate! {testVar}',
            'filenameEelExpression' => 'testVar + ".txt"',
            'attachmentCharset' => false
        ]);
        $view->assign('testVar', 'WORLD');
        $result = $view->render();
        static::assertEquals('text/plain', $result->getHeaderLine('Content-Type'));
    }

    /**
     * @test
     */
    public function itIsPossibleToExtendTheContextBySignalSlot(): void
    {
        $view = new SimpleAttachmentTemplateView([
            'templateSource' => 'TollesTemplate! {testVar}',
            'filenameEelExpression' => 'greet(testVar) + ".txt"',
            'attachmentCharset' => false
        ]);
        $view->assign('testVar', 'WORLD');
        $dispatcher = $this->objectManager->get(Dispatcher::class);
        $dispatcher->connect(
            SimpleAttachmentTemplateView::class,
            'filenameEelExpressionContext',
            function (Context $eelContext) {
                $eelContext->push(
                    function ($name) {
                        return 'Hello ' . $name;
                    },
                    'greet'
                );
            }
        );
        $result = $view->render();
        static::assertEquals(
            'attachment; filename="Hello WORLD.txt"',
            $result->getHeaderLine('Content-Disposition')
        );
    }
}