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

$checks = [
    'php'     => true,
    'mysqli'  => extension_loaded('mysqli'),
    'version' => PHP_VERSION,
];

$dbHost = getenv('DB_HOST') ?: 'localhost';
$dbUser = getenv('DB_USER') ?: 'root';
$dbPass = getenv('DB_PASS') ?: '';
$dbName = getenv('POVERTY_DB_NAME') ?: 'webgis_p3';

$conn = @new mysqli($dbHost, $dbUser, $dbPass, $dbName);
$checks['database'] = [
    'host'    => $dbHost,
    'name'    => $dbName,
    'ok'      => !$conn->connect_error,
    'message' => $conn->connect_error ?: 'Terhubung',
];

if (!$conn->connect_error) {
    $conn->close();
}

$checks['ok'] = $checks['mysqli'] && $checks['database']['ok'];

http_response_code($checks['ok'] ? 200 : 503);
echo json_encode($checks, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);