<?php

// Standalone safety check: no test lifecycle, migrations, queries, or PDO connections.
putenv('DB_CONNECTION=mysql');
$_ENV['DB_DATABASE'] = 'shopit';
$_SERVER['DB_URL'] = 'mysql://localhost/shopit';
require __DIR__.'/bootstrap.php';

use Illuminate\Container\Container;
use Tests\Support\InMemoryConnectionFactory;

$safe = ['driver' => 'sqlite', 'database' => ':memory:'];
$unsafe = [
    [],
    ['driver' => 'mysql', 'database' => 'shopit'],
    ['driver' => 'mysql', 'database' => 'shopit_test'],
    ['driver' => 'sqlite', 'database' => 'database/database.sqlite'],
    ['driver' => 'sqlite', 'database' => 'shopit_test'],
    array_merge($safe, ['url' => 'mysql://localhost/shopit']),
    array_merge($safe, ['read' => ['database' => 'shopit']]),
    array_merge($safe, ['write' => ['database' => 'shopit']]),
    array_merge($safe, ['direct' => ['database' => 'shopit']]),
];
$factory = new InMemoryConnectionFactory(new Container);
foreach ($unsafe as $config) {
    try {
        $factory->make($config);
    } catch (RuntimeException) {
        continue;
    }

    throw new RuntimeException('Unsafe connection was accepted.');
}

$connection = $factory->make($safe);
if (! $connection->getRawPdo() instanceof Closure) {
    throw new RuntimeException('Verification must not open a PDO connection.');
}

$case = new class('safetyCheck') extends Tests\TestCase {};
$app = $case->createApplication();
if (! $app['db.factory'] instanceof InMemoryConnectionFactory
    || $app['config']->get('database.default') !== 'sqlite'
    || ! $app['db']->connection()->getRawPdo() instanceof Closure) {
    throw new RuntimeException('Application database isolation is not active.');
}

foreach (['mysql', 'pgsql', 'mariadb', 'sqlsrv'] as $name) {
    try {
        $app['db']->connection($name);
    } catch (RuntimeException) {
        continue;
    }

    throw new RuntimeException('A persistent application connection was accepted.');
}

// Include URL overrides resolved by Laravel and dynamically built connections.
foreach ([
    ['driver' => 'mysql', 'database' => 'shopit'],
    array_merge($safe, ['url' => 'mysql://localhost/shopit']),
    array_merge($safe, ['url' => 'sqlite:///database/database.sqlite']),
] as $config) {
    $app['config']->set('database.connections.unsafe', $config);

    foreach ([
        fn () => $app['db']->connection('unsafe'),
        fn () => $app['db']->build($config),
    ] as $connect) {
        try {
            $connect();
        } catch (RuntimeException) {
            continue;
        }

        throw new LogicException('A dynamically configured persistent connection was accepted.');
    }
}

echo "Database safety verified: unsafe connections rejected; no PDO connections or migrations executed.\n";