<?php

declare(strict_types=1);

namespace LIT\MCP\Tests\Unit\Integrations\Divi\Release;

use LIT\MCP\Integrations\Divi\BlockTree\Block;
use LIT\MCP\Integrations\Divi\BlockTree\Parser;
use LIT\MCP\Integrations\Divi\Release\FormatCheck;
use PHPUnit\Framework\TestCase;

final class FormatCheckTest extends TestCase
{
    /** parse_blocks() as WordPress would answer for well-formed Divi markup: the same names and nesting. */
    private static function wordPress(): \Closure
    {
        $convert = static function (array $blocks) use (&$convert): array {
            return array_map(static fn (Block $block): array => [
                'blockName' => $block->name(),
                'innerBlocks' => $convert($block->children()),
            ], $blocks);
        };

        return static fn (string $content): array => $convert((new Parser())->parse($content)->children());
    }

    public function testTheShippedReferenceRoundTripsAndMatchesWordPress(): void
    {
        self::assertSame([], (new FormatCheck(null, self::wordPress()))->problems());
        self::assertFileEquals(
            dirname(__DIR__, 5) . '/tests/Fixtures/divi/converted-landing.html',
            FormatCheck::REFERENCE
        );
    }

    public function testADifferentStructureInWordPressIsReported(): void
    {
        $check = new FormatCheck(null, static fn (): array => [['blockName' => 'divi/section', 'innerBlocks' => []]]);

        self::assertSame(['WordPress liest eine andere Blockstruktur als LIT MCP.'], $check->problems());
    }

    public function testAMissingReferenceIsReported(): void
    {
        self::assertSame(
            ['Der Referenzinhalt der Prüfung fehlt im Plugin.'],
            (new FormatCheck('/nonexistent/reference.html', self::wordPress()))->problems()
        );
    }
}