<?php

namespace Tests;

use Illuminate\Foundation\Application;
use Illuminate\Contracts\Console\Kernel;
use Illuminate\Foundation\Bootstrap\LoadConfiguration;
use Illuminate\Foundation\Testing\TestCase as BaseTestCase;
use RuntimeException;
use Tests\Support\InMemoryConnectionFactory;

abstract class TestCase extends BaseTestCase
{
    /**
     * Boot the application only when the test database is explicitly isolated.
     */
    public function createApplication(): Application
    {
        $app = require dirname(__DIR__).'/bootstrap/app.php';
        $this->traitsUsedByTest = class_uses_recursive(static::class);

        if ($app->configurationIsCached()) {
            throw new RuntimeException('Tests refuse cached configuration. Remove the test config cache before retrying.');
        }

        // Validate before providers boot or RefreshDatabase can run migrations.
        $app->afterBootstrapping(LoadConfiguration::class, function (Application $app): void {
            if (! $app->environment('testing')) {
                throw new RuntimeException('Tests require APP_ENV=testing.');
            }

            InMemoryConnectionFactory::assertSafe((array) $app['config']->get(
                'database.connections.'.$app['config']->get('database.default')
            ));
        });

        // Also guard named/dynamic connections and changes made by individual tests.
        $app->extend('db.factory', fn () => new InMemoryConnectionFactory($app));
        $app->make(Kernel::class)->bootstrap();

        return $app;
    }
}