<?php

namespace Tests;

use Illuminate\Contracts\Console\Kernel;
use Illuminate\Database\DatabaseManager;
use RuntimeException;

trait CreatesApplication
{
    /**
     * Creates the application.
     *
     * @return \Illuminate\Foundation\Application
     */
    public function createApplication()
    {
        $testingConfigCache = __DIR__ . '/../bootstrap/cache/config-testing.php';

        putenv('APP_CONFIG_CACHE=' . $testingConfigCache);
        $_ENV['APP_CONFIG_CACHE'] = $testingConfigCache;
        $_SERVER['APP_CONFIG_CACHE'] = $testingConfigCache;

        $app = require __DIR__ . '/../bootstrap/app.php';

        $app->make(Kernel::class)->bootstrap();

        if (
            ! $app->environment('testing')
            || config('database.default') !== 'sqlite'
            || config('database.connections.sqlite.database') !== ':memory:'
        ) {
            throw new RuntimeException('测试环境未使用内存 SQLite，已拒绝执行以保护共享数据库。');
        }

        // Several migrations deliberately target the business_mirror connection.
        // Force that connection onto its own in-memory SQLite database before
        // RefreshDatabase runs, even when the developer's local .env points at
        // the shared production mirror.
        config([
            'database.connections.business_mirror' => config('database.connections.sqlite'),
            'database.supplier_payable_maintenance_connection' => 'sqlite',
            'jushuitan.connection' => 'business_mirror',
            'upstream_mirrors.connection' => 'business_mirror',
        ]);
        $app->make(DatabaseManager::class)->purge('business_mirror');

        if (
            config('database.connections.business_mirror.driver') !== 'sqlite'
            || config('database.connections.business_mirror.database') !== ':memory:'
        ) {
            throw new RuntimeException('测试业务镜像连接未使用内存 SQLite，已拒绝执行以保护共享数据库。');
        }

        return $app;
    }
}