<?php
// ============================================
// koneksi.php — Konfigurasi Database
// ============================================

$databaseUrl = getenv('DATABASE_URL') ?: getenv('MYSQL_URL') ?: '';
$databaseConfig = $databaseUrl ? parse_url($databaseUrl) : [];
$databasePath = isset($databaseConfig['path']) ? ltrim($databaseConfig['path'], '/') : '';

define('DB_HOST', getenv('DB_HOST') ?: getenv('MYSQL_HOST') ?: ($databaseConfig['host'] ?? 'localhost'));
define('DB_USER', getenv('DB_USER') ?: getenv('MYSQL_USER') ?: ($databaseConfig['user'] ?? 'root'));
define('DB_PASS', getenv('DB_PASS') ?: getenv('MYSQL_PASSWORD') ?: getenv('MYSQL_ROOT_PASSWORD') ?: ($databaseConfig['pass'] ?? ''));
define('DB_NAME', getenv('DB_NAME') ?: getenv('MYSQL_DATABASE') ?: ($databasePath ?: 'webgis_spbu'));
define('DB_PORT', (int) (getenv('DB_PORT') ?: getenv('MYSQL_PORT') ?: ($databaseConfig['port'] ?? 3306)));

// Mengaktifkan exception untuk mysqli agar error bisa ditangkap dengan try-catch
mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);

function getConnection(): mysqli {
    try {
        $conn = new mysqli(DB_HOST, DB_USER, DB_PASS, DB_NAME, DB_PORT);
        $conn->set_charset('utf8mb4');
        return $conn;
    } catch (mysqli_sql_exception $e) {
        http_response_code(500);
        header('Content-Type: application/json');
        echo json_encode([
            'status' => 'error', 
            'message' => 'Koneksi database gagal',
            'error_detail' => $e->getMessage() // Detail error ini akan muncul di tab Network
        ]);
        exit;
    }
}