<?php

declare(strict_types=1);

namespace Tests\Architecture;

use PHPUnit\Framework\TestCase;
use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;
use SplFileInfo;

final class Phase2BoundaryArchitectureTest extends TestCase
{
    public function test_school_core_does_not_import_extension_namespace(): void
    {
        $violations = $this->scan(app_path('Domain/SchoolCore'), ['App\\Domain\\IslamicSundaySchool']);
        $this->assertSame([], $violations);
    }

    public function test_domain_services_do_not_accept_raw_request_or_call_auth(): void
    {
        $violations = $this->scan(app_path('Domain'), ['Illuminate\\Http\\Request', 'auth()']);
        $violations = array_values(array_filter($violations, fn (string $path): bool => ! str_contains($path, 'SchoolContextResolver.php')));
        $this->assertSame([], $violations);
    }

    public function test_core_contracts_keep_neutral_vocabulary(): void
    {
        $violations = $this->scan(app_path('Domain/SchoolCore/Contracts'), ['masjid', 'ministry', 'bible', 'servant', 'service_day']);
        $this->assertSame([], $violations);
    }

    /** @param array<int, string> $needles @return array<int, string> */
    private function scan(string $root, array $needles): array
    {
        if (! is_dir($root)) {
            return [];
        }

        $violations = [];
        foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($root)) as $file) {
            if (! $file instanceof SplFileInfo || $file->getExtension() !== 'php') {
                continue;
            }
            $contents = file_get_contents($file->getPathname()) ?: '';
            foreach ($needles as $needle) {
                if (str_contains($contents, $needle)) {
                    $violations[] = $file->getPathname() . ' contains ' . $needle;
                }
            }
        }

        return $violations;
    }
}