<?php
// Callback Paydisini
$secret    = '4f120457653057e4362b56639478af67';
$key       = $_POST['key'] ?? '';
$order_id  = $_POST['unique_code'] ?? '';
$status    = $_POST['status'] ?? '';
$signature = $_POST['signature'] ?? '';
$sign      = md5($secret . $order_id . 'CallbackStatus');

$result = ['success' => false, 'message' => 'Invalid request'];

// --- Fungsi logging ---
function writeLog($message) {
    $dir = __DIR__ . "/logs";
    if (!is_dir($dir)) {
        mkdir($dir, 0755, true);
    }
    $file = $dir . '/callback_' . date('Y-m-d') . '.log';
    $log  = "[" . date('Y-m-d H:i:s') . "] " . $message . PHP_EOL;
    file_put_contents($file, $log, FILE_APPEND);
}

try {
    if ($key !== $secret) {
        throw new Exception("Invalid key");
    }

    include '../../../config/connect.php';
    include '../../../config/whatsapp_api.php';

    // Cari data payment
    $stmt = $pdo->prepare("SELECT * FROM apk_payment WHERE order_id = :order_id");
    $stmt->execute([':order_id' => $order_id]);
    $apk = $stmt->fetch(PDO::FETCH_ASSOC);
    
    if ($apk) {
        $apk['table_name'] = 'apk_payment';
        $data = $apk;
    } else {
        $stmt = $pdo->prepare("SELECT * FROM client_payment WHERE order_id = :order_id");
        $stmt->execute([':order_id' => $order_id]);
        $client = $stmt->fetch(PDO::FETCH_ASSOC);
        if ($client) {
            $client['table_name'] = 'client_payment';
            $data = $client;
        }
    }
    
    
    if (!$data) {
        throw new Exception("Order not found: $order_id");
    }

    // Log awal callback
    // writeLog("Callback received | Order=$order_id | Status=$status | Signature=$signature | Expected=$sign");

    if ($signature !== $sign) {
        throw new Exception("Signature mismatch");
    }

    // === APK_PAYMENT ===
    if ($data['table_name'] === 'apk_payment') {
        if ($status === 'Success') {
            if ($data['jenis'] === 'PPPOE') {
                // TODO: Update sukses PPPOE (kosong dulu)
                // writeLog("Order $order_id: PPPOE payment success");
            } elseif ($data['jenis'] === 'Hotspot') {
                $stmt = $pdo->prepare("SELECT * FROM v_voucher_paygw WHERE order_id = :order_id");
                $stmt->execute([':order_id' => $order_id]);
                $vcr = $stmt->fetch(PDO::FETCH_ASSOC);
                if (!$vcr) throw new Exception("Voucher tidak ditemukan | Order=$order_id");

                require('../../../config/routeros_api.class.php');
                $API = new RouterosAPI();
                $API->debug = false;

                if ($API->connect2($vcr['ip_address'], $vcr['username'], $vcr['password'], $vcr['port_api'])) {
                    try {
                        $API->comm('/ip/hotspot/user/add', [
                            "name"     => $vcr['voucher'],
                            "password" => $vcr['voucher'],
                            "profile"  => $vcr['nama_profile'],
                            "server"   => "all"
                        ]);
                        $pdo->prepare("UPDATE ganerate_voucher SET status_create = '1' WHERE id = ?")
                            ->execute([$vcr['id']]);

                        $nomorList = array_filter(array_map('trim', explode(',', $vcr['nomor_whatsapp'])));
                        if ($nomorList) {
                            $Pesan = "Pembelian voucher kamu *BERHASIL!*\n\n"
                                . "Tanggal            : {$vcr['waktu_transaksi']}\n"
                                . "Pembayaran    : QRIS\n\n"
                                . "Paket                : {$vcr['nama_paket']}\n"
                                . "Harga               : Rp " . number_format($vcr['harga']) . "\n"
                                . "Kode Voucher : *{$vcr['voucher']}*\n\n"
                                . "_Voucher hanya bisa digunakan pada 1 perangkat / device._\n\n"
                                . "Terima kasih telah menggunakan layanan kami.";
                            (new PesanWA())->Send_Pesan($vcr['id_data_server'], 'sendMessage', $nomorList, $Pesan);
                        }
                        // writeLog("Voucher {$vcr['voucher']} sukses ditambahkan di MikroTik & WA dikirim | Order=$order_id");
                    } catch (Exception $e) {
                        $pdo->prepare("UPDATE ganerate_voucher SET status_create = '0' WHERE id = ?")
                            ->execute([$vcr['id']]);
                        // writeLog("Gagal tambah user hotspot | Order=$order_id | Error=" . $e->getMessage());
                    } finally {
                        $API->disconnect();
                    }
                } else {
                    $pdo->prepare("UPDATE ganerate_voucher SET status_create = '0' WHERE id = ?")
                        ->execute([$vcr['id']]);
                    // writeLog("Gagal koneksi MikroTik | IP={$vcr['ip_address']} | Order=$order_id");
                }
            } else {
                $ids = array_map('intval', explode(',', $data['id_data_server']));
                if ($ids) {
                    $in = implode(',', array_fill(0, count($ids), '?'));
                    $sql = "UPDATE data_server SET status='Aktif', expaired_date=? WHERE id IN ($in)";
                    $params = array_merge([$data['expaired_time']], $ids);
                    $pdo->prepare($sql)->execute($params);
                }
                // writeLog("Server status diupdate aktif | Order=$order_id");
            }

            $pdo->prepare("UPDATE apk_payment SET status='LUNAS' WHERE order_id=?")->execute([$order_id]);
            $result = ['success' => true, 'message' => "Payment success, updated to LUNAS"];
            // writeLog("Order $order_id status updated to LUNAS");
        } elseif ($status === 'Canceled') {
            $pdo->prepare("UPDATE apk_payment SET status='CANCELED' WHERE order_id=?")->execute([$order_id]);
            $result = ['success' => true, 'message' => "Payment canceled"];
            // writeLog("Order $order_id status updated to CANCELED");
        } else {
            throw new Exception("Invalid status for apk_payment | Order=$order_id");
        }
    }

    // === CLIENT_PAYMENT ===
    elseif ($data['table_name'] === 'client_payment') {
        if ($status === 'Success') {
            $pdo->prepare("UPDATE client_payment SET status='SUCCESS', update_time=NOW() WHERE order_id=?")
                ->execute([$order_id]);
            $result = ['success' => true, 'message' => "Client payment success"];
            // writeLog("Client payment sukses | Order=$order_id");
        } elseif ($status === 'Canceled') {
            $pdo->prepare("UPDATE client_payment SET status='CANCELED', update_time=NOW() WHERE order_id=?")
                ->execute([$order_id]);
            $result = ['success' => true, 'message' => "Client payment canceled"];
            // writeLog("Client payment canceled | Order=$order_id");
        } else {
            throw new Exception("Invalid status for client_payment | Order=$order_id");
        }
    }

} catch (Exception $e) {
    $result = ['success' => false, 'message' => $e->getMessage()];
    writeLog("ERROR | Order=$order_id | " . $e->getMessage());
}

header('Content-Type: application/json');
echo json_encode($result);