<?php
declare(strict_types=1);

$installedFile = __DIR__ . '/storage/install-config.php';
$installed = is_file($installedFile) ? require $installedFile : [];
if (!is_array($installed)) {
    $installed = [];
}

$env = static function (string $key, mixed $fallback = null): mixed {
    $value = getenv($key);
    return $value === false || $value === '' ? $fallback : $value;
};
$db = is_array($installed['db'] ?? null) ? $installed['db'] : [];

return [
    'installed' => is_file(__DIR__ . '/storage/installed.lock') && $db !== [],
    'app_name' => (string) $env('APP_NAME', $installed['app_name'] ?? '欢乐水果机'),
    'app_url' => rtrim((string) $env('APP_URL', $installed['app_url'] ?? ''), '/'),
    'timezone' => (string) $env('APP_TIMEZONE', $installed['timezone'] ?? 'Asia/Shanghai'),
    'db' => [
        'driver' => 'mysql',
        'host' => (string) $env('DB_HOST', $db['host'] ?? 'localhost'),
        'port' => (string) $env('DB_PORT', $db['port'] ?? '3306'),
        'database' => (string) $env('DB_DATABASE', $db['database'] ?? ''),
        'username' => (string) $env('DB_USERNAME', $db['username'] ?? ''),
        'password' => (string) $env('DB_PASSWORD', $db['password'] ?? ''),
        'charset' => 'utf8mb4',
    ],
    'session_name' => 'tanwan_session',
];