<?php

declare(strict_types=1);

namespace App\Tests\Twig;

use App\Twig\AppRuntime;
use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\RequestStack;

class ForwardedReturnUrlTest extends KernelTestCase
{
    private RequestStack $requestStack;
    private AppRuntime $appRuntime;

    protected function setUp(): void
    {
        self::bootKernel();

        $this->requestStack = self::getContainer()->get(RequestStack::class);
        $this->appRuntime = self::getContainer()->get(AppRuntime::class);
    }

    public function testTheReturnUrlIsPassedOnUntouched(): void
    {
        $encoded = rawurlencode('/administrative/assignment?page=3');
        $this->requestStack->push(Request::create('/administrative/assignment/detail/abc?r='.$encoded));

        // The raw query value, handed straight back to the url generator, which
        // re-encodes it. No decoding of its own, that stays the consumer's job.
        self::assertSame('/administrative/assignment?page=3', $this->appRuntime->getForwardedReturnUrl());
    }

    /**
     * Null rather than an empty string, so the url generator drops the parameter
     * instead of emitting "r=".
     */
    public function testNothingIsPassedOnWithoutAReturnUrl(): void
    {
        $this->requestStack->push(Request::create('/administrative/assignment/detail/abc'));

        self::assertNull($this->appRuntime->getForwardedReturnUrl());
    }

    public function testNothingIsPassedOnForAnEmptyReturnUrl(): void
    {
        $this->requestStack->push(Request::create('/administrative/assignment/detail/abc?r='));

        self::assertNull($this->appRuntime->getForwardedReturnUrl());
    }
}