<?php
declare(strict_types=1);

header('Content-Type: application/json; charset=utf-8');

$response = [
    'status' => 'ok',
    'php_version' => PHP_VERSION,
    'database' => 'connected',
    'timestamp' => date(DATE_ATOM),
];

try {
    require __DIR__ . '/config.php';
    db()->query('SELECT 1')->fetch();
    http_response_code(200);
} catch (Throwable $e) {
    http_response_code(500);
    $response = [
        'status' => 'error',
        'database' => 'unavailable',
        'message' => $e->getMessage(),
        'timestamp' => date(DATE_ATOM),
    ];
}

echo json_encode($response, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES) . PHP_EOL;