<?php

namespace App\Tests\Storyline;

use App\Controller\StorylineController;
use PHPUnit\Framework\Attributes\DataProvider;
use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
use Twig\Environment;

/**
 * Renders every storyline chapter partial on its own (no HTTP, no DB) so a
 * broken variable, filter or path() call in the hand-written content fails
 * loudly instead of only at request time.
 */
class ChapterTemplatesTest extends KernelTestCase
{
    /**
     * @return iterable<string, array{string, string, string}>
     */
    public static function chapters(): iterable
    {
        yield 'overview' => [
            'storyline/chapters/overview.html.twig',
            'Sir Aldren was one of the five heroes',
            'Kyuss leaking out',
        ];
        yield 'prologue' => [
            'storyline/chapters/prologue-the-long-road.html.twig',
            'The Crooked Goose',
            'Tell them the blood is no longer enough',
        ];
        yield 'session 1' => [
            'storyline/chapters/session-1-outside-blood.html.twig',
            'Are you Thorns?',
            'The Hearth &amp; Hound',
        ];
    }

    #[DataProvider('chapters')]
    public function testChapterPartialRenders(string $template, string $needle1, string $needle2): void
    {
        self::bootKernel();
        /** @var Environment $twig */
        $twig = self::getContainer()->get('twig');

        $html = $twig->render($template);

        self::assertStringContainsString($needle1, $html);
        self::assertStringContainsString($needle2, $html);
    }

    public function testEveryRegisteredChapterHasATemplateFile(): void
    {
        $ref = new \ReflectionClass(StorylineController::class);
        /** @var array<string, array{template: string}> $chapters */
        $chapters = $ref->getConstant('CHAPTERS');

        self::assertNotEmpty($chapters);
        foreach ($chapters as $slug => $chapter) {
            $path = \dirname(__DIR__, 2).'/templates/'.$chapter['template'];
            self::assertFileExists($path, sprintf('Chapter "%s" points at a missing template.', $slug));
        }
    }
}