<?php

declare(strict_types=1);

namespace Tests\Kernel;

use Netig\Netslim\Kernel\Runtime\Module\ModuleInterface;
use Netig\Netslim\Kernel\Runtime\Module\ModuleRegistry;
use Netig\Netslim\Kernel\Runtime\RuntimePaths;
use PHPUnit\Framework\TestCase;

final class ModuleRegistryTest extends TestCase
{
    protected function setUp(): void
    {
        RuntimePaths::resetApplicationRoot();
        RuntimePaths::resetProjectRoot();
        ModuleRegistry::reset();
    }

    protected function tearDown(): void
    {
        RuntimePaths::resetApplicationRoot();
        RuntimePaths::resetProjectRoot();
        ModuleRegistry::reset();
    }

    public function testModulesAreDeclaredInExpectedOrderForFixtureApplication(): void
    {
        RuntimePaths::setApplicationRoot(dirname(__DIR__, 2) . '/tests/Fixtures/Application');

        $moduleClasses = array_map(
            static fn (ModuleInterface $module): string => $module::class,
            ModuleRegistry::modules(),
        );

        self::assertSame([
            'Netig\Netslim\Kernel\Runtime\KernelModule',
            'Netig\Netslim\Identity\IdentityModule',
            'Netig\Netslim\Settings\SettingsModule',
            'Netig\Netslim\AuditLog\AuditLogModule',
            'Netig\Netslim\Notifications\NotificationsModule',
            'Netig\Netslim\Taxonomy\TaxonomyModule',
            'Netig\Netslim\Media\MediaModule',
        ], $moduleClasses);
    }

    public function testModuleClassNamesExposeTheActiveApplicationComposition(): void
    {
        RuntimePaths::setApplicationRoot(dirname(__DIR__, 2) . '/tests/Fixtures/Application');

        self::assertSame([
            'Netig\Netslim\Kernel\Runtime\KernelModule',
            'Netig\Netslim\Identity\IdentityModule',
            'Netig\Netslim\Settings\SettingsModule',
            'Netig\Netslim\AuditLog\AuditLogModule',
            'Netig\Netslim\Notifications\NotificationsModule',
            'Netig\Netslim\Taxonomy\TaxonomyModule',
            'Netig\Netslim\Media\MediaModule',
        ], ModuleRegistry::moduleClassNames());
    }

    public function testApplicationManifestIsResolvedFromTheActiveApplicationRoot(): void
    {
        RuntimePaths::setApplicationRoot(dirname(__DIR__, 2) . '/tests/Fixtures/Application');

        self::assertFileExists(RuntimePaths::getApplicationConfigPath('modules.php'));
    }

    public function testEveryModuleExposesResolvableMetadata(): void
    {
        RuntimePaths::setApplicationRoot(dirname(__DIR__, 2) . '/tests/Fixtures/Application');

        foreach (ModuleRegistry::modules() as $module) {
            self::assertNotSame([], $module->definitions(), $module::class . ' should expose DI definitions.');

            foreach ($module->templateNamespaces() as $namespace => $templatePath) {
                self::assertNotSame('', $namespace, $module::class . ' should declare a non-empty Twig namespace.');
                self::assertDirectoryExists($templatePath, $module::class . ' should point Twig to an existing template directory.');
            }

            foreach ($module->twigExtensions() as $twigExtensionClass) {
                self::assertTrue(class_exists($twigExtensionClass), $module::class . ' should reference an existing Twig extension class.');
            }
        }
    }
}