<?php
// koneksi.php - versi deploy Coolify untuk Tugas_SIG Tiara
if (session_status() === PHP_SESSION_NONE) {
    session_start();
}

$host = getenv('DB_HOST') ?: 'localhost';
$user = getenv('DB_USER') ?: 'root';
$pass = getenv('DB_PASS') ?: (getenv('DB_PASSWORD') ?: '');
$db   = getenv('DB_NAME') ?: 'db_poverty_mapping';
$port = (int)(getenv('DB_PORT') ?: 3306);

$conn = new mysqli($host, $user, $pass, $db, $port);

if ($conn->connect_error) {
    http_response_code(500);
    die(json_encode([
        'status' => 'error',
        'message' => 'Koneksi database gagal: ' . $conn->connect_error
    ]));
}

$conn->set_charset('utf8mb4');

function getRedirectPath($targetFile) {
    $currentDir = basename(dirname($_SERVER['SCRIPT_FILENAME']));
    if (stripos($currentDir, 'Tugas') !== false || stripos($currentDir, 'tugas') !== false || $currentDir === 'includes') {
        return '../' . $targetFile;
    }
    return $targetFile;
}

function cekLogin() {
    if (session_status() === PHP_SESSION_NONE) {
        session_start();
    }
    if (!isset($_SESSION['user_id'])) {
        header('Location: ' . getRedirectPath('login.php'));
        exit;
    }
}

function cekRole($role_wajib) {
    if (session_status() === PHP_SESSION_NONE) {
        session_start();
    }
    if (!isset($_SESSION['role']) || $_SESSION['role'] !== $role_wajib) {
        header('Location: ' . getRedirectPath('dashboard.php?error=unauthorized'));
        exit;
    }
}

function bersih($str, $conn) {
    return $conn->real_escape_string(htmlspecialchars(strip_tags(trim($str))));
}
?>