<?php
include 'koneksi.php';
header('Content-Type: application/json');

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    echo json_encode(["status" => "error", "message" => "Method tidak diizinkan"]);
    exit;
}

$id = $_POST['id_account'] ?? '';
$credential_id = trim($_POST['credential_id'] ?? '');

file_put_contents('debug_passkey.txt', "REGISTER PASSKEY - Account: " . $id . " - Credential_id: " . $credential_id . " (Length: " . strlen($credential_id) . ")\n", FILE_APPEND);

if (empty($id) || empty($credential_id)) {
    echo json_encode(["status" => "error", "message" => "Data tidak lengkap"]);
    exit;
}

try {
    // Cek apakah akun ada (Check if account exists before proceeding)
    // Cek apakah akun ada
    $stmt = $pdo->prepare("SELECT id_account FROM account WHERE id_account = ?");
    $stmt->execute([$id]);
    if (!$stmt->fetch()) {
        echo json_encode(["status" => "error", "message" => "Akun tidak ditemukan"]);
        exit;
    }

    $uaLog = strtolower($_SERVER['HTTP_USER_AGENT'] ?? '');
    $fingerDevice = 'WebAuthn Device';
    if (strpos($uaLog, 'windows') !== false) {
        if (strpos($uaLog, 'edg') !== false)
            $fingerDevice = 'Windows Hello (Edge)';
        elseif (strpos($uaLog, 'chrome') !== false)
            $fingerDevice = 'Windows Hello (Chrome)';
        else
            $fingerDevice = 'Windows Hello';
    }
    elseif (strpos($uaLog, 'mac') !== false) {
        $fingerDevice = 'Touch ID (Mac)';
    }
    elseif (strpos($uaLog, 'android') !== false) {
        $fingerDevice = 'Android Biometric';
    }
    elseif (strpos($uaLog, 'iphone') !== false || strpos($uaLog, 'ipad') !== false) {
        $fingerDevice = 'Face ID / Touch ID (iOS)';
    }
    elseif (strpos($uaLog, 'linux') !== false) {
        $fingerDevice = 'Linux Authenticator';
    }

    // Update finger_id dan finger_device
    $update = $pdo->prepare("UPDATE account SET finger_id = ?, finger_device = ?, code_register = NULL WHERE id_account = ?");
    $update->execute([$credential_id, $fingerDevice, $id]);

    echo json_encode(["status" => "success", "message" => "Sidik jari berhasil diregistrasi"]);
}
catch (Exception $e) {
    echo json_encode(["status" => "error", "message" => $e->getMessage()]);
}
?>