<?php
// ========================================
// FILE: php/koneksi.php
// Konfigurasi Koneksi Database
// ========================================

// CORS HEADERS - Wajib ada agar request dari browser tidak diblok
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: GET, POST, OPTIONS');
header('Access-Control-Allow-Headers: Content-Type, X-Requested-With');
header('Content-Type: application/json; charset=utf-8');

// Handle preflight request (OPTIONS)
if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
    http_response_code(200);
    exit();
}

$host     = "localhost";
$username = "root";
$password = "";           // Jika XAMPP, kosongkan
$database = "pemetaan_kemiskinan";

// KONEKSI MYSQLI
$conn = new mysqli($host, $username, $password, $database);

// CEK KONEKSI
if ($conn->connect_error) {
    sendJSON('error', 'Koneksi database gagal: ' . $conn->connect_error);
    exit();
}

// SET CHARSET UTF-8
$conn->set_charset("utf8mb4");

// FUNCTION UNTUK ESCAPE INPUT
function sanitize($string, $conn) {
    return $conn->real_escape_string(strip_tags(trim($string)));
}

// FUNCTION UNTUK RESPONSE JSON
function sendJSON($status, $message, $data = null) {
    $response = [
        'status'  => $status,
        'message' => $message
    ];
    if ($data !== null) {
        $response['data'] = $data;
    }
    echo json_encode($response, JSON_UNESCAPED_UNICODE);
    exit();
}

?>