LNXRNT/Sources/httprequest.cpp

#ifdef WITH_NETWORKING

#include "httprequest.h"
#include "connection_pool.h"
#include "global_thread_pool.h"
#include <kinc/log.h>
#include <string.h>
#include <stdlib.h>
#include <atomic>
#include <regex>
#include <chrono>
#include <sstream>
#include <algorithm>
#include <fstream>

#ifdef _WIN32
#define NOMINMAX  
#include <winsock2.h>
#include <ws2tcpip.h>
#include <windows.h>
#pragma comment(lib, "ws2_32.lib")
#else
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <cstring>
#define SOCKET int
#define INVALID_SOCKET -1
#define SOCKET_ERROR -1
#define closesocket close
#endif

#ifdef WITH_SSL
#ifdef _WIN32
#define SECURITY_WIN32
#include <wincrypt.h>
#include <schannel.h>
#include <security.h>
#include <sspi.h>
#pragma comment(lib, "crypt32.lib")
#pragma comment(lib, "secur32.lib")
#else
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/bio.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/pem.h>
#endif
#endif

using namespace v8;

namespace HttpRequestWrapper {
    // timeout helper functions for SSL/socket operations
    static int receiveWithTimeout(SOCKET socket, char* buffer, int buffer_size, int timeout_ms) {
        // non-blocking
#ifdef _WIN32
        u_long mode = 1;
        if (ioctlsocket(socket, FIONBIO, &mode) != 0) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to set socket to non-blocking mode: %d", WSAGetLastError());
            #endif
            return -1;
        }
#else
        int flags = fcntl(socket, F_GETFL, 0);
        if (fcntl(socket, F_SETFL, flags | O_NONBLOCK) < 0) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to set socket to non-blocking mode: %s", strerror(errno));
            #endif
            return -1;
        }
#endif
        
        fd_set read_fds;
        FD_ZERO(&read_fds);
        FD_SET(socket, &read_fds);
        
        struct timeval timeout;
        timeout.tv_sec = timeout_ms / 1000;
        timeout.tv_usec = (timeout_ms % 1000) * 1000;
        
#ifdef _WIN32
        int select_result = select(0, &read_fds, NULL, NULL, &timeout);
#else
        int select_result = select(socket + 1, &read_fds, NULL, NULL, &timeout);
#endif
        
        if (select_result > 0 && FD_ISSET(socket, &read_fds)) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "Socket has data available, attempting recv...");
            #endif
            int received = ::recv(socket, buffer, buffer_size, 0);
            
            // restore blocking mode
#ifdef _WIN32
            mode = 0;
            ioctlsocket(socket, FIONBIO, &mode);
#else
            // restore original flags
            fcntl(socket, F_SETFL, flags); 
#endif
            
            if (received > 0) {
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_INFO, "Received %d bytes with timeout handling", received);
                #endif
                return received;
            } else if (received == 0) {
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_INFO, "Connection closed gracefully by server");
                #endif
                return 0;
            } else {
#ifdef _WIN32
                int error = WSAGetLastError();
                if (error == WSAEWOULDBLOCK) {
                    #ifdef DEBUG_NETWORK
                    kinc_log(KINC_LOG_LEVEL_INFO, "No data available (WSAEWOULDBLOCK)");
                    #endif
                    return 0;
                } else {
                    #ifdef DEBUG_NETWORK
                    kinc_log(KINC_LOG_LEVEL_ERROR, "Receive error: %d", error);
                    #endif
                    return -1;
                }
#else
                if (errno == EAGAIN || errno == EWOULDBLOCK) {
                    #ifdef DEBUG_NETWORK
                    kinc_log(KINC_LOG_LEVEL_INFO, "No data available (EAGAIN/EWOULDBLOCK)");
                    #endif
                    return 0;
                } else {
                    #ifdef DEBUG_NETWORK
                    kinc_log(KINC_LOG_LEVEL_ERROR, "Receive error: %s", strerror(errno));
                    #endif
                    return -1;
                }
#endif
            }
        } else if (select_result == 0) {
            // timeouts are expected
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "Socket receive timeout after %d ms - no data available", timeout_ms);
            #endif
            
            // restore
#ifdef _WIN32
            mode = 0;
            ioctlsocket(socket, FIONBIO, &mode);
#else
            fcntl(socket, F_SETFL, flags);
#endif
            return 0;
        } else {
#ifdef _WIN32
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "Select error: %d", WSAGetLastError());
            #endif
#else
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "Select error: %s", strerror(errno));
            #endif
#endif
            
#ifdef _WIN32
            mode = 0;
            ioctlsocket(socket, FIONBIO, &mode);
#else
            fcntl(socket, F_SETFL, flags);
#endif
            return -1;
        }
    }

    static std::unordered_map<int, std::unique_ptr<HttpRequestClient>> active_requests;
    static std::atomic<int> next_request_id{1};
    static std::atomic<bool> initialized{false};

    void initialize() {
        if (!initialized.exchange(true)) {
#ifdef _WIN32
            WSADATA wsaData;
            int result = WSAStartup(MAKEWORD(2, 2), &wsaData);
            if (result != 0) {
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_ERROR, "WSAStartup failed: %d", result);
                #endif
            } else {
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_INFO, "Initializing native HTTP request support");
                #endif
            }
#else
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "Initializing native HTTP request support");
            #endif
#endif
        }
    }

    void cleanup() {
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "Starting HTTP request cleanup, waiting for active operations...");
        #endif
        
        bool has_active_operations = true;
        int wait_count = 0;
        const int max_wait_ms = 5000; 
        
        while (has_active_operations && wait_count < max_wait_ms) {
            has_active_operations = false;
            
            for (const auto& pair : active_requests) {
                if (pair.second && pair.second->active_operation_.load()) {
                    has_active_operations = true;
                    break;
                }
            }
            
            if (has_active_operations) {
                #ifdef _WIN32
                Sleep(10);
                #else
                usleep(10000);
                #endif
                wait_count += 10;
            }
        }
        
        if (wait_count >= max_wait_ms) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_WARNING, "HTTP request cleanup timed out after %d ms, forcing cleanup", max_wait_ms);
            #endif
        } else {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "All active operations completed after %d ms", wait_count);
            #endif
        }
        
        active_requests.clear();
        if (initialized.exchange(false)) {
#ifdef _WIN32
            WSACleanup();
#endif
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "HTTP request cleanup complete");
            #endif
        }
    }

    void processEvents() {
        // called from main thread
        for (auto& pair : active_requests) {
            if (pair.second) {
                pair.second->processEvents();
            }
        }
    }

    int createHttpRequest(v8::Isolate* isolate) {
        int id = next_request_id++;
        auto client = std::make_unique<HttpRequestClient>(isolate, getGlobalContext());
        active_requests[id] = std::move(client);
        return id;
    }

    HttpRequestClient::HttpRequestClient(Isolate* isolate, Global<Context>* global_context)
        : isolate_(isolate), global_context_(global_context), ready_state_(UNSENT), 
          response_type_(DEFAULT), async_(true), timeout_(0), with_credentials_(false),
          done_event_fired_(false), active_operation_(false)
    #ifdef WITH_SSL
    #ifdef _WIN32
          , ssl_cred_handle_(nullptr), ssl_context_handle_(nullptr), ssl_context_initialized_(false), ssl_socket_(-1)
    #else
          , ssl_ctx_(nullptr), ssl_(nullptr), ssl_initialized_(false)
    #endif
    #endif
    {
    #ifdef WITH_SSL
    #ifdef _WIN32
        // SSL handles to zero
        memset(&ssl_cred_handle_, 0, sizeof(ssl_cred_handle_));
        memset(&ssl_context_handle_, 0, sizeof(ssl_context_handle_));
    #endif
    #endif
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "Creating HTTP request client");
        #endif
    }

    HttpRequestClient::~HttpRequestClient() {
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "Destroying HTTP request client");
        #endif
        #ifdef WITH_SSL
        cleanupSSL();
        #endif
    }

    void HttpRequestClient::open(const std::string& method, const std::string& url, bool async) {
        std::lock_guard<std::mutex> lock(state_mutex_);
        
        method_ = method;
        url_ = url;
        async_ = async;
        
        response_ = HttpResponse();
        
        setReadyState(OPENED);
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "HTTP request opened: %s %s", method.c_str(), url.c_str());
        #endif
    }

    void HttpRequestClient::setRequestHeader(const std::string& header, const std::string& value) {
        std::lock_guard<std::mutex> lock(state_mutex_);
        
        if (ready_state_ != OPENED) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "Cannot set request header: request not opened");
            #endif
            return;
        }
        
        request_headers_[header] = value;
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "Set request header: %s = %s", header.c_str(), value.c_str());
        #endif
    }

    void HttpRequestClient::send(const std::string& data) {
        std::lock_guard<std::mutex> lock(state_mutex_);
        
        if (ready_state_ != OPENED) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "Cannot send: request not opened");
            #endif
            return;
        }
        
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "Sending HTTP request with data length: %zu", data.length());
        #endif
        
        request_data_ = data;
        
        if (async_) {
            // use thread pool
            GlobalThreadPool::getInstance().enqueue([this]() {
                this->performRequest();
            });
        } else {
            // synchronously
            performRequest();
        }
    }

    void HttpRequestClient::abort() {
        std::lock_guard<std::mutex> lock(state_mutex_);
        
        if (ready_state_ == DONE) {
            return;
        }
        
        setReadyState(DONE);
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "HTTP request aborted");
        #endif
        
        if (!on_abort_.IsEmpty()) {
            callCallback(on_abort_, 0, nullptr);
        }
    }

    std::string HttpRequestClient::getAllResponseHeaders() {
        std::lock_guard<std::mutex> lock(state_mutex_);
        
        std::ostringstream headers;
        for (const auto& header : response_.headers) {
            headers << header.first << ": " << header.second << "\r\n";
        }
        return headers.str();
    }

    std::string HttpRequestClient::getResponseHeader(const std::string& header) {
        std::lock_guard<std::mutex> lock(state_mutex_);
        
        std::string lower_header = header;
        std::transform(lower_header.begin(), lower_header.end(), lower_header.begin(), ::tolower);
        
        for (const auto& h : response_.headers) {
            std::string lower_h = h.first;
            std::transform(lower_h.begin(), lower_h.end(), lower_h.begin(), ::tolower);
            if (lower_h == lower_header) {
                return h.second;
            }
        }
        return "";
    }

    void HttpRequestClient::setOnReadyStateChange(Local<Function> callback) {
        on_ready_state_change_.Reset(isolate_, callback);
    }

    void HttpRequestClient::setOnLoad(Local<Function> callback) {
        on_load_.Reset(isolate_, callback);
    }

    void HttpRequestClient::setOnError(Local<Function> callback) {
        on_error_.Reset(isolate_, callback);
    }

    void HttpRequestClient::setOnTimeout(Local<Function> callback) {
        on_timeout_.Reset(isolate_, callback);
    }

    void HttpRequestClient::setOnAbort(Local<Function> callback) {
        on_abort_.Reset(isolate_, callback);
    }

    void HttpRequestClient::setOnProgress(Local<Function> callback) {
        on_progress_.Reset(isolate_, callback);
    }

    void HttpRequestClient::setOnLoadStart(Local<Function> callback) {
        on_load_start_.Reset(isolate_, callback);
    }

    void HttpRequestClient::setOnLoadEnd(Local<Function> callback) {
        on_load_end_.Reset(isolate_, callback);
    }

    void HttpRequestClient::performRequest() {
        active_operation_ = true;
        
        handleLoadStart();
        
        try {
            std::string host, path;
            int port;
            bool is_https;
            
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "HTTP DEBUG: Starting request to URL: %s", url_.c_str());
            #endif
            
            if (!parseUrl(url_, host, port, path, is_https)) {
                response_.error = "Invalid URL";
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_ERROR, "HTTP DEBUG: Failed to parse URL: %s", url_.c_str());
                #endif
                setReadyState(DONE);
                handleError(response_.error);
                active_operation_ = false;
                return;
            }
            
            // check if its a local file request
            if (port == 0) {
                #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "Loading local file: %s", path.c_str());
            #endif
                loadLocalFile(path);
                active_operation_ = false;
                return;
            }
            
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "Parsed URL - host: %s, port: %d, path: %s, https: %s", 
                    host.c_str(), port, path.c_str(), is_https ? "true" : "false");
            #endif
                
            #ifdef WITH_SSL
            if (is_https) {
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_INFO, "Using HTTPS/SSL for request");
                #endif
            }
            #else
            if (is_https) {
                response_.error = "HTTPS not supported - build with WITH_SSL=1";
                setReadyState(DONE);
                handleError(response_.error);
                active_operation_ = false;
                return;
            }
            #endif
            
            // use connection pool
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "Acquiring connection for HTTP request");
            #endif
            SOCKET sock = g_connection_pool.acquire_connection(host, port, is_https);
            if (sock == INVALID_SOCKET) {
                response_.error = "Failed to acquire connection";
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_ERROR, "Connection acquisition failed");
                #endif
                setReadyState(DONE);
                handleError(response_.error);
                active_operation_ = false;
                return;
            }
            
            // set timeout when specified
            if (timeout_ > 0) {
#ifdef _WIN32
                DWORD timeout_ms = timeout_;
                ::setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (char*)&timeout_ms, sizeof(timeout_ms));
                ::setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, (char*)&timeout_ms, sizeof(timeout_ms));
#else
                struct timeval timeout;
                timeout.tv_sec = timeout_ / 1000;
                timeout.tv_usec = (timeout_ % 1000) * 1000;
                ::setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout));
                ::setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(timeout));
#endif
            }
        kinc_log(KINC_LOG_LEVEL_INFO, "Connected successfully to %s:%d", host.c_str(), port);
        
        #ifdef WITH_SSL
        if (is_https) {
            kinc_log(KINC_LOG_LEVEL_INFO, "Performing SSL handshake");
            ssl_socket_ = static_cast<int>(sock);  
            if (!performSSLHandshake(static_cast<int>(sock), host)) {
                response_.error = "SSL handshake failed";
                closesocket(sock);
                setReadyState(DONE);
                handleError(response_.error);
                active_operation_ = false;
                return;
            }
            kinc_log(KINC_LOG_LEVEL_INFO, "SSL handshake completed successfully");
        }
        #endif
        
        std::string request_data = formatHttpRequest(method_, path, host, request_data_);
        kinc_log(KINC_LOG_LEVEL_INFO, "Sending HTTP request (%zu bytes):", request_data.length());
        kinc_log(KINC_LOG_LEVEL_INFO, "Request preview: %.200s", request_data.c_str());
        
        int bytes_sent = 0;
        #ifdef WITH_SSL
        if (is_https) {
            bytes_sent = sslWrite(request_data.c_str(), static_cast<int>(request_data.length()));
        } else {
            bytes_sent = ::send(sock, request_data.c_str(), static_cast<int>(request_data.length()), 0);
        }
        #else
        bytes_sent = ::send(sock, request_data.c_str(), static_cast<int>(request_data.length()), 0);
        #endif
        
        if (bytes_sent == SOCKET_ERROR || bytes_sent == 0) {
            response_.error = "Failed to send request";
            kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to send HTTP request");
            setReadyState(DONE);
            handleError(response_.error);
            active_operation_ = false;
            return;
        }
        
        kinc_log(KINC_LOG_LEVEL_INFO, "HTTP request sent successfully");
        
        char buffer[4096];
        int bytes_received;
        std::string response_data;
        int total_bytes = 0;
        
        kinc_log(KINC_LOG_LEVEL_INFO, "Starting to receive HTTP response");
        while (true) {
            #ifdef WITH_SSL
            if (is_https) {
                kinc_log(KINC_LOG_LEVEL_INFO, "Calling sslRead for %zu bytes", sizeof(buffer) - 1);
                bytes_received = sslRead(buffer, sizeof(buffer) - 1);
                kinc_log(KINC_LOG_LEVEL_INFO, "sslRead returned %d bytes", bytes_received);
            } else {
                bytes_received = ::recv(sock, buffer, sizeof(buffer) - 1, 0);
            }
            #else
            bytes_received = ::recv(sock, buffer, sizeof(buffer) - 1, 0);
            #endif
            
            if (bytes_received <= 0) {
                kinc_log(KINC_LOG_LEVEL_INFO, "Breaking from response reading loop, bytes_received: %d", bytes_received);
                break;
            }
            
            buffer[bytes_received] = '\0';
            response_data += buffer;
            total_bytes += bytes_received;
            kinc_log(KINC_LOG_LEVEL_INFO, "Received %d bytes (total: %d)", bytes_received, total_bytes);
        }
        kinc_log(KINC_LOG_LEVEL_INFO, "Finished receiving data, total bytes: %d", total_bytes);
        
        #ifdef WITH_SSL
        if (is_https) {
            cleanupSSL();
        }
        #endif
        
        // return connection to pool for reuse instead of closing
        g_connection_pool.release_connection(host, port, sock, is_https);
        
        if (bytes_received == SOCKET_ERROR) {
            response_.error = "Failed to receive response";
            setReadyState(DONE);
            handleError(response_.error);
            active_operation_ = false;
            return;
        }
        
        kinc_log(KINC_LOG_LEVEL_INFO, "Raw HTTP response data (%zu bytes):", response_data.length());
        kinc_log(KINC_LOG_LEVEL_INFO, "Response preview: %.200s", response_data.c_str());
        
        parseHttpResponse(response_data);
        
        kinc_log(KINC_LOG_LEVEL_INFO, "Parsed response - status: %d, body length: %zu", response_.status, response_.responseText.length());
        kinc_log(KINC_LOG_LEVEL_INFO, "Response body preview: %.200s", response_.responseText.c_str());
        
        setReadyState(HEADERS_RECEIVED);
        
        setReadyState(DONE);
        
        handleLoad();
        
        handleLoadEnd();
        
        active_operation_ = false;
        
        } catch (const std::exception& e) {
            response_.error = e.what();
            setReadyState(DONE);
            handleError(response_.error);
            handleLoadEnd();
            active_operation_ = false;
        }
    } 

    void HttpRequestClient::setReadyState(ReadyState state) {
        if (ready_state_ != state) {
            ready_state_ = state;
            handleReadyStateChange();
        }
    }

    // event handle is called from the background thread
    void HttpRequestClient::handleReadyStateChange() {
        std::lock_guard<std::mutex> lock(event_queue_mutex_);
        event_queue_.push(Event(HTTP_READY_STATE_CHANGE));
    }

    void HttpRequestClient::handleLoad() {
        std::lock_guard<std::mutex> lock(event_queue_mutex_);
        event_queue_.push(Event(HTTP_LOAD));
    }

    void HttpRequestClient::handleError(const std::string& error) {
        std::lock_guard<std::mutex> lock(event_queue_mutex_);
        event_queue_.push(Event(HTTP_ERROR, error));
    }

    void HttpRequestClient::handleTimeout() {
        std::lock_guard<std::mutex> lock(event_queue_mutex_);
        event_queue_.push(Event(HTTP_TIMEOUT));
    }

    void HttpRequestClient::handleAbort() {
        std::lock_guard<std::mutex> lock(event_queue_mutex_);
        event_queue_.push(Event(HTTP_ABORT));
    }

    void HttpRequestClient::handleProgress() {
        std::lock_guard<std::mutex> lock(event_queue_mutex_);
        event_queue_.push(Event(HTTP_PROGRESS));
    }

    void HttpRequestClient::handleLoadStart() {
        std::lock_guard<std::mutex> lock(event_queue_mutex_);
        event_queue_.push(Event(HTTP_LOAD_START));
    }

    void HttpRequestClient::handleLoadEnd() {
        std::lock_guard<std::mutex> lock(event_queue_mutex_);
        event_queue_.push(Event(HTTP_LOAD_END));
    }

    // event called from main thread
    void HttpRequestClient::processReadyStateChangeEvent() {
        if (ready_state_ == DONE && done_event_fired_) {
            kinc_log(KINC_LOG_LEVEL_INFO, "Skipping duplicate DONE ready state change event");
            return;
        }
        if (ready_state_ == DONE) {
            done_event_fired_ = true;
        }
        
        kinc_log(KINC_LOG_LEVEL_INFO, "Processing HTTP ready state change event, ready state: %d", ready_state_);
        if (!on_ready_state_change_.IsEmpty()) {
            callCallback(on_ready_state_change_, 0, nullptr);
        } else {
            kinc_log(KINC_LOG_LEVEL_INFO, "No ready state change callback set for HTTP request");
        }
    }

    void HttpRequestClient::processLoadEvent() {
        kinc_log(KINC_LOG_LEVEL_INFO, "Processing HTTP load event");
        if (!on_load_.IsEmpty()) {
            callCallback(on_load_, 0, nullptr);
        } else {
            kinc_log(KINC_LOG_LEVEL_INFO, "No load callback set for HTTP request");
        }
    }

    void HttpRequestClient::processErrorEvent(const std::string& error) {
        kinc_log(KINC_LOG_LEVEL_INFO, "Processing HTTP error event: %s", error.c_str());
        if (!on_error_.IsEmpty()) {
            Locker locker{isolate_};
            
            Isolate::Scope isolate_scope(isolate_);
            HandleScope handle_scope(isolate_);
            Local<Context> context = global_context_->Get(isolate_);
            Context::Scope context_scope(context);
            
            Local<Object> event = Object::New(isolate_);
            event->Set(context, String::NewFromUtf8(isolate_, "message").ToLocalChecked(),
                      String::NewFromUtf8(isolate_, error.c_str()).ToLocalChecked());
            
            Local<Value> argv[1] = { event };
            callCallback(on_error_, 1, argv);
        } else {
            kinc_log(KINC_LOG_LEVEL_INFO, "No error callback set for HTTP request");
        }
    }

    void HttpRequestClient::processTimeoutEvent() {
        if (!on_timeout_.IsEmpty()) {
            callCallback(on_timeout_, 0, nullptr);
        }
    }

    void HttpRequestClient::processAbortEvent() {
        if (!on_abort_.IsEmpty()) {
            callCallback(on_abort_, 0, nullptr);
        }
    }

    void HttpRequestClient::processProgressEvent() {
        if (!on_progress_.IsEmpty()) {
            callCallback(on_progress_, 0, nullptr);
        }
    }

    void HttpRequestClient::processLoadStartEvent() {
        if (!on_load_start_.IsEmpty()) {
            callCallback(on_load_start_, 0, nullptr);
        }
    }

    void HttpRequestClient::processLoadEndEvent() {
        if (!on_load_end_.IsEmpty()) {
            callCallback(on_load_end_, 0, nullptr);
        }
    }

    void HttpRequestClient::processEvents() {
        std::lock_guard<std::mutex> lock(event_queue_mutex_);
        while (!event_queue_.empty()) {
            Event event = event_queue_.front();
            event_queue_.pop();
            
            switch (event.type) {
                case HTTP_READY_STATE_CHANGE:
                    processReadyStateChangeEvent();
                    break;
                case HTTP_LOAD:
                    processLoadEvent();
                    break;
                case HTTP_ERROR:
                    processErrorEvent(event.data);
                    break;
                case HTTP_TIMEOUT:
                    processTimeoutEvent();
                    break;
                case HTTP_ABORT:
                    processAbortEvent();
                    break;
                case HTTP_PROGRESS:
                    processProgressEvent();
                    break;
                case HTTP_LOAD_START:
                    processLoadStartEvent();
                    break;
                case HTTP_LOAD_END:
                    processLoadEndEvent();
                    break;
            }
        }
    }

    void HttpRequestClient::callCallback(Global<Function>& callback, int argc, Local<Value> argv[]) {
        if (callback.IsEmpty()) return;
        
        Locker locker{isolate_};
        
        Isolate::Scope isolate_scope(isolate_);
        HandleScope handle_scope(isolate_);
        
        Local<Context> context = global_context_->Get(isolate_);
        Context::Scope context_scope(context);
        
        TryCatch try_catch(isolate_);
        
        Local<Function> func = callback.Get(isolate_);
        Local<Value> result;
        if (func->Call(context, context->Global(), argc, argv).ToLocal(&result)) {
            // Success
        } else {
            if (try_catch.HasCaught()) {
                kinc_log(KINC_LOG_LEVEL_ERROR, "Error in HTTP request callback");
                Local<Value> exception = try_catch.Exception();
                String::Utf8Value exception_str(isolate_, exception);
                kinc_log(KINC_LOG_LEVEL_ERROR, "Exception details: %s", *exception_str);
            }
        }
    }

    bool HttpRequestClient::parseUrl(const std::string& url, std::string& host, int& port, std::string& path, bool& is_https) {
        if (url.find("://") == std::string::npos) {
            kinc_log(KINC_LOG_LEVEL_INFO, "Detected local file path: %s", url.c_str());
            host = "localhost";
            port = 0; 
            path = url;
            is_https = false;
            return true;
        }
        
        if (url.substr(0, 7) == "file://") {
            kinc_log(KINC_LOG_LEVEL_INFO, "Detected file:// URL: %s", url.c_str());
            host = "localhost";
            port = 0; // Special port to indicate local file
            path = url.substr(7); // Remove "file://" prefix
            is_https = false;
            return true;
        }
        
        std::regex url_regex(R"(^(https?):\/\/([^\/\s:]+)(?::(\d+))?(\/[^\s]*)?(?:\?[^\s]*)?(?:#[^\s]*)?$)");
        std::smatch matches;
        
        kinc_log(KINC_LOG_LEVEL_INFO, "Parsing HTTP URL: %s", url.c_str());
        
        if (!std::regex_match(url, matches, url_regex)) {
            // fallback parsing for simpler URLs
            std::regex simple_regex(R"(^(https?):\/\/([^\/\s:]+)(?::(\d+))?(?:\/.*)?$)");
            if (!std::regex_match(url, matches, simple_regex)) {
                kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to parse URL with both regex patterns: %s", url.c_str());
                return false;
            }
        }
        
        std::string scheme = matches[1].str();
        host = matches[2].str();
        std::string port_str = matches[3].str();
        path = matches[4].str();
        
        if (path.empty()) {
            path = "/";
        }
        
        // remove query string and fragment for HTTP request path
        size_t query_pos = path.find('?');
        if (query_pos != std::string::npos) {
            path = path.substr(0, query_pos);
        }
        
        size_t fragment_pos = path.find('#');
        if (fragment_pos != std::string::npos) {
            path = path.substr(0, fragment_pos);
        }
        
        if (path.empty()) {
            path = "/";
        }
        
        is_https = (scheme == "https");
        
        if (!port_str.empty()) {
            try {
                port = std::stoi(port_str);
            } catch (const std::exception&) {
                kinc_log(KINC_LOG_LEVEL_ERROR, "Invalid port number: %s", port_str.c_str());
                port = is_https ? 443 : 80;
            }
        } else {
            port = is_https ? 443 : 80;
        }
        
        kinc_log(KINC_LOG_LEVEL_INFO, "URL parsed successfully - scheme: %s, host: %s, port: %d, path: %s", 
                 scheme.c_str(), host.c_str(), port, path.c_str());
        
        return true;
    }

    std::string HttpRequestClient::formatHttpRequest(const std::string& method, const std::string& path, const std::string& host, const std::string& data) {
        std::ostringstream request;
        
        request << method << " " << path << " HTTP/1.1\r\n";
        request << "Host: " << host << "\r\n";
        request << "Connection: close\r\n";
        request << "User-Agent: LNXCORE/1.0\r\n";
        request << "Accept: */*\r\n";
        request << "Accept-Encoding: identity\r\n";
        
        for (const auto& header : request_headers_) {
            request << header.first << ": " << header.second << "\r\n";
        }
        
        if (!data.empty()) {
            request << "Content-Length: " << data.length() << "\r\n";
            
            if (request_headers_.find("Content-Type") == request_headers_.end()) {
                request << "Content-Type: application/x-www-form-urlencoded\r\n";
            }
        }
        
        request << "\r\n";
        
        if (!data.empty()) {
            request << data;
        }
        
        std::string request_str = request.str();
        kinc_log(KINC_LOG_LEVEL_INFO, "Formatted HTTP request (%zu bytes):", request_str.length());
        kinc_log(KINC_LOG_LEVEL_INFO, "Request headers: %s", request_str.substr(0, request_str.find("\r\n\r\n")).c_str());
        
        return request_str;
    }

    void HttpRequestClient::parseHttpResponse(const std::string& response_data) {
        std::istringstream stream(response_data);
        std::string line;
        
        // initialized with defaults
        response_.status = 0;
        response_.statusText = "Unknown";
        response_.responseText = "";
        response_.headers.clear();
        
        if (response_data.empty()) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "HTTP DEBUG: Response data is empty - potential network/SSL failure");
            #endif
            response_.status = 0;
            response_.statusText = "Empty Response";
            return;
        }
        
        #ifdef DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "HTTP DEBUG: Parsing response (%zu bytes), first 200 chars: %.200s", response_data.length(), response_data.c_str());
        #endif
        
        if (std::getline(stream, line)) {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_INFO, "Status line: %s", line.c_str());
            #endif
            std::istringstream status_stream(line);
            std::string http_version;
            std::string status_text_rest;
            
            if (status_stream >> http_version >> response_.status) {
                // Read the rest of the line as status text
                std::getline(status_stream, status_text_rest);
                if (!status_text_rest.empty()) {
                    // Remove leading space
                    response_.statusText = status_text_rest.substr(1);
                }
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_INFO, "Parsed status: %d, text: %s", response_.status, response_.statusText.c_str());
                #endif
            } else {
                #ifdef DEBUG_NETWORK
                kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to parse status line: %s", line.c_str());
                #endif
                response_.status = 0;
                response_.statusText = "Invalid Status Line";
            }
        } else {
            #ifdef DEBUG_NETWORK
            kinc_log(KINC_LOG_LEVEL_ERROR, "No status line found in HTTP response");
            #endif
            response_.status = 0;
            response_.statusText = "No Status Line";
        }
        
        // Parse headers
        int header_count = 0;
        while (std::getline(stream, line) && !line.empty() && line != "\r") {
            size_t colon_pos = line.find(':');
            if (colon_pos != std::string::npos) {
                std::string header_name = line.substr(0, colon_pos);
                std::string header_value = line.substr(colon_pos + 1);
                
                // Trim whitespace
                header_value.erase(0, header_value.find_first_not_of(" \t"));
                header_value.erase(header_value.find_last_not_of(" \t\r\n") + 1);
                
                response_.headers[header_name] = header_value;
                header_count++;
                kinc_log(KINC_LOG_LEVEL_INFO, "Header: %s = %s", header_name.c_str(), header_value.c_str());
            }
        }
        
        kinc_log(KINC_LOG_LEVEL_INFO, "Parsed %d headers", header_count);
        
        std::ostringstream body_stream;
        std::string body_line;
        size_t body_lines = 0;
        
        while (std::getline(stream, body_line)) {
            if (body_lines > 0) {
                body_stream << "\n";
            }
            body_stream << body_line;
            body_lines++;
        }
        
        response_.responseText = body_stream.str();
        kinc_log(KINC_LOG_LEVEL_INFO, "Parsed body: %zu lines, %zu bytes", body_lines, response_.responseText.length());
        
        if (!response_.responseText.empty()) {
            std::string preview = response_.responseText.substr(0, 100);
            kinc_log(KINC_LOG_LEVEL_INFO, "Response body preview: %s", preview.c_str());
        }
    }

    void HttpRequestClient::loadLocalFile(const std::string& path) {
        std::ifstream file(path, std::ios::in | std::ios::binary);
        if (!file.is_open()) {
            response_.error = "Failed to open local file: " + path;
            kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to open local file: %s", path.c_str());
            setReadyState(DONE);
            handleError(response_.error);
            return;
        }

        file.seekg(0, std::ios::end);
        size_t file_size = file.tellg();
        file.seekg(0, std::ios::beg);

        std::string file_content(file_size, '\0');
        file.read(&file_content[0], file_size);
        file.close();

        if (file.fail() && !file.eof()) {
            response_.error = "Failed to read local file: " + path;
            kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to read local file: %s", path.c_str());
            setReadyState(DONE);
            handleError(response_.error);
            return;
        }

        response_.responseText = file_content;
        response_.status = 200;
        response_.statusText = "OK";
        
        std::string content_type = "application/octet-stream";
        size_t dot_pos = path.find_last_of('.');
        if (dot_pos != std::string::npos) {
            std::string extension = path.substr(dot_pos);
            if (extension == ".js") {
                content_type = "application/javascript";
            } else if (extension == ".html") {
                content_type = "text/html";
            } else if (extension == ".css") {
                content_type = "text/css";
            } else if (extension == ".json") {
                content_type = "application/json";
            } else if (extension == ".txt") {
                content_type = "text/plain";
            }
        }
        
        response_.headers["Content-Type"] = content_type;
        response_.headers["Content-Length"] = std::to_string(file_size);

        kinc_log(KINC_LOG_LEVEL_INFO, "Local file loaded: %s, size: %zu, content-type: %s", 
                 path.c_str(), file_size, content_type.c_str());
        
        setReadyState(DONE);
        handleLoad();
    }

    #ifdef WITH_SSL
    bool HttpRequestClient::initSSL() {
        #ifdef _WIN32
        // windows SChannel implementation
        if (ssl_context_initialized_) {
            return true;
        }
        
        ssl_cred_handle_ = new CredHandle();
        memset(ssl_cred_handle_, 0, sizeof(CredHandle));
        
        SCHANNEL_CRED cred = {0};
        cred.dwVersion = SCHANNEL_CRED_VERSION;
        cred.grbitEnabledProtocols = SP_PROT_TLS1_2 | SP_PROT_TLS1_1;
        cred.dwFlags = SCH_CRED_AUTO_CRED_VALIDATION | SCH_CRED_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT;
        cred.dwMinimumCipherStrength = 0;
        cred.dwMaximumCipherStrength = 0;
        
        SECURITY_STATUS status = AcquireCredentialsHandleA(
            NULL, const_cast<LPSTR>(UNISP_NAME_A), SECPKG_CRED_OUTBOUND, NULL, &cred, NULL, NULL, 
            reinterpret_cast<PCredHandle>(ssl_cred_handle_), NULL);
        
        if (status != SEC_E_OK) {
            const char* cred_error_desc = "Unknown credential error";
            switch (status) {
                case SEC_E_SECPKG_NOT_FOUND: cred_error_desc = "SEC_E_SECPKG_NOT_FOUND - Security package not found"; break;
                case SEC_E_NOT_OWNER: cred_error_desc = "SEC_E_NOT_OWNER - Not owner"; break;
                case SEC_E_CANNOT_INSTALL: cred_error_desc = "SEC_E_CANNOT_INSTALL - Cannot install"; break;
                case SEC_E_INVALID_TOKEN: cred_error_desc = "SEC_E_INVALID_TOKEN - Invalid token"; break;
                case SEC_E_LOGON_DENIED: cred_error_desc = "SEC_E_LOGON_DENIED - Logon denied"; break;
            }
            kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to acquire SSL credentials: 0x%x (%s)", status, cred_error_desc);
            if (ssl_cred_handle_) {
                delete reinterpret_cast<CredHandle*>(ssl_cred_handle_);
                ssl_cred_handle_ = nullptr;
            }
            return false;
        }
        
        kinc_log(KINC_LOG_LEVEL_INFO, "Successfully acquired SSL credentials");
        
        ssl_context_initialized_ = true;
        return true;
        #else
        // OpenSSL implementation
        if (ssl_initialized_) {
            return true;
        }
        
        SSL_library_init();
        SSL_load_error_strings();
        OpenSSL_add_all_algorithms();
        
        ssl_ctx_ = SSL_CTX_new(TLS_client_method());
        if (!ssl_ctx_) {
            kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to create SSL context");
            return false;
        }
        
        SSL_CTX_set_options(ssl_ctx_, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3);
        SSL_CTX_set_verify(ssl_ctx_, SSL_VERIFY_PEER, NULL);
        SSL_CTX_set_default_verify_paths(ssl_ctx_);
        
        // SSL OPTIMIZATIONS - Session resumption
        SSL_CTX_set_session_cache_mode(ssl_ctx_, SSL_SESS_CACHE_CLIENT);
        SSL_CTX_set_timeout(ssl_ctx_, 300);
        
        // optimized cipher list
        SSL_CTX_set_cipher_list(ssl_ctx_, "ECDHE+AESGCM:ECDHE+CHACHA20:DHE+AESGCM");
        
        ssl_initialized_ = true;
        return true;
        #endif
    }

    void HttpRequestClient::cleanupSSL() {
        #ifdef _WIN32
        if (ssl_context_initialized_) {
            if (ssl_context_handle_) {
                DeleteSecurityContext(reinterpret_cast<PCtxtHandle>(ssl_context_handle_));
                delete reinterpret_cast<CtxtHandle*>(ssl_context_handle_);
                ssl_context_handle_ = nullptr;
            }
            if (ssl_cred_handle_) {
                FreeCredentialsHandle(reinterpret_cast<PCredHandle>(ssl_cred_handle_));
                delete reinterpret_cast<CredHandle*>(ssl_cred_handle_);
                ssl_cred_handle_ = nullptr;
            }
            ssl_context_initialized_ = false;
        }
        ssl_buffer_.clear();
        ssl_socket_ = -1;
        #else
        if (ssl_) {
            SSL_free(ssl_);
            ssl_ = nullptr;
        }
        if (ssl_ctx_) {
            SSL_CTX_free(ssl_ctx_);
            ssl_ctx_ = nullptr;
        }
        ssl_initialized_ = false;
        #endif
    }

    bool HttpRequestClient::performSSLHandshake(int socket, const std::string& host) {
        if (!initSSL()) {
            return false;
        }
        
        #ifdef _WIN32
        // windows SChannel handshake 
        #if DEBUG_NETWORK
        kinc_log(KINC_LOG_LEVEL_INFO, "HTTP DEBUG: Performing SChannel SSL handshake for host: %s", host.c_str());
        #endif
        kinc_log(KINC_LOG_LEVEL_INFO, "Performing SChannel SSL handshake...");
        
        const int MAX_SSL_RETRIES = 3;
        int retry_count = 0;
        
        SecBufferDesc outbuffer_desc, inbuffer_desc;
        SecBuffer outbuffers[1], inbuffers[2];
        DWORD context_attributes;
        TimeStamp expiry;
        
        outbuffers[0].pvBuffer = nullptr;
        outbuffers[0].BufferType = SECBUFFER_TOKEN;
        outbuffers[0].cbBuffer = 0;
        outbuffer_desc.cBuffers = 1;
        outbuffer_desc.pBuffers = outbuffers;
        outbuffer_desc.ulVersion = SECBUFFER_VERSION;
        
        inbuffers[0].pvBuffer = nullptr;
        inbuffers[0].BufferType = SECBUFFER_TOKEN;
        inbuffers[0].cbBuffer = 0;
        inbuffers[1].pvBuffer = nullptr;
        inbuffers[1].BufferType = SECBUFFER_EMPTY;
        inbuffers[1].cbBuffer = 0;
        inbuffer_desc.cBuffers = 2;
        inbuffer_desc.pBuffers = inbuffers;
        inbuffer_desc.ulVersion = SECBUFFER_VERSION;
        
        SECURITY_STATUS status = SEC_I_CONTINUE_NEEDED;
        bool first_call = true;
        
        std::vector<char> handshake_buffer;
        
        while (status == SEC_I_CONTINUE_NEEDED || status == SEC_E_INCOMPLETE_MESSAGE) {
            if (first_call) {
                // first call should use NULL for phContext
                ssl_context_handle_ = new CtxtHandle();
                memset(ssl_context_handle_, 0, sizeof(CtxtHandle));
                
                kinc_log(KINC_LOG_LEVEL_INFO, "Calling InitializeSecurityContextA for first handshake...");
                kinc_log(KINC_LOG_LEVEL_INFO, "Buffer before call: cbBuffer=%d, pvBuffer=%p", outbuffers[0].cbBuffer, outbuffers[0].pvBuffer);
                
                status = InitializeSecurityContextA(
                    reinterpret_cast<PCredHandle>(ssl_cred_handle_),
                    nullptr,  // phContext = NULL for first call
                    const_cast<char*>(host.c_str()),
                    ISC_REQ_SEQUENCE_DETECT | ISC_REQ_REPLAY_DETECT | 
                    ISC_REQ_CONFIDENTIALITY | ISC_REQ_EXTENDED_ERROR | 
                    ISC_REQ_ALLOCATE_MEMORY | ISC_REQ_STREAM,
                    0, SECURITY_NATIVE_DREP, nullptr, 0,
                    reinterpret_cast<PCtxtHandle>(ssl_context_handle_),  // phNewContext receives the new context
                    &outbuffer_desc, &context_attributes, &expiry);
                
                kinc_log(KINC_LOG_LEVEL_INFO, "InitializeSecurityContextA result: status=0x%x", status);
                kinc_log(KINC_LOG_LEVEL_INFO, "Buffer after call: cbBuffer=%d, pvBuffer=%p", outbuffers[0].cbBuffer, outbuffers[0].pvBuffer);
                
                if (status != SEC_I_CONTINUE_NEEDED && status != SEC_E_OK) {
                    const char* init_error_desc = "Unknown initialization error";
                    switch (status) {
                        case SEC_E_INVALID_HANDLE: init_error_desc = "SEC_E_INVALID_HANDLE - Invalid handle"; break;
                        case SEC_E_INVALID_TOKEN: init_error_desc = "SEC_E_INVALID_TOKEN - Invalid token"; break;
                        case SEC_E_LOGON_DENIED: init_error_desc = "SEC_E_LOGON_DENIED - Logon denied"; break;
                        case SEC_E_TARGET_UNKNOWN: init_error_desc = "SEC_E_TARGET_UNKNOWN - Target unknown"; break;
                        case SEC_E_INTERNAL_ERROR: init_error_desc = "SEC_E_INTERNAL_ERROR - Internal error"; break;
                        case SEC_E_SECPKG_NOT_FOUND: init_error_desc = "SEC_E_SECPKG_NOT_FOUND - Security package not found"; break;
                    }
                    kinc_log(KINC_LOG_LEVEL_ERROR, "InitializeSecurityContextA failed: 0x%x (%s)", status, init_error_desc);
                    if (ssl_context_handle_) {
                        delete reinterpret_cast<CtxtHandle*>(ssl_context_handle_);
                        ssl_context_handle_ = nullptr;
                    }
                    return false;
                }
                
                first_call = false;
            } else {
                outbuffers[0].pvBuffer = nullptr;
                outbuffers[0].BufferType = SECBUFFER_TOKEN;
                outbuffers[0].cbBuffer = 0;
                
                if (!handshake_buffer.empty()) {
                    inbuffers[0].pvBuffer = handshake_buffer.data();
                    inbuffers[0].cbBuffer = static_cast<unsigned long>(handshake_buffer.size());
                    inbuffers[0].BufferType = SECBUFFER_TOKEN;
                    
                    inbuffers[1].pvBuffer = nullptr;
                    inbuffers[1].BufferType = SECBUFFER_EMPTY;
                    inbuffers[1].cbBuffer = 0;
                }
                
                kinc_log(KINC_LOG_LEVEL_INFO, "Calling InitializeSecurityContextA for continuation handshake...");
                kinc_log(KINC_LOG_LEVEL_INFO, "Input buffer: cbBuffer=%d, pvBuffer=%p", inbuffers[0].cbBuffer, inbuffers[0].pvBuffer);
                kinc_log(KINC_LOG_LEVEL_INFO, "Context handle: %p", ssl_context_handle_);
                
                status = InitializeSecurityContextA(
                    reinterpret_cast<PCredHandle>(ssl_cred_handle_),
                    reinterpret_cast<PCtxtHandle>(ssl_context_handle_),
                    const_cast<char*>(host.c_str()),
                    ISC_REQ_SEQUENCE_DETECT | ISC_REQ_REPLAY_DETECT | 
                    ISC_REQ_CONFIDENTIALITY | ISC_REQ_EXTENDED_ERROR | 
                    ISC_REQ_ALLOCATE_MEMORY | ISC_REQ_STREAM,
                    0, SECURITY_NATIVE_DREP, &inbuffer_desc, 0,
                    reinterpret_cast<PCtxtHandle>(ssl_context_handle_),
                    &outbuffer_desc, &context_attributes, &expiry);
                
                kinc_log(KINC_LOG_LEVEL_INFO, "Continuation InitializeSecurityContextA result: status=0x%x", status);
                kinc_log(KINC_LOG_LEVEL_INFO, "Output buffer after continuation: cbBuffer=%d, pvBuffer=%p", outbuffers[0].cbBuffer, outbuffers[0].pvBuffer);
                
                // handle where some data was consumed and check if extra data was left in the buffer
                if (status == SEC_E_OK || status == SEC_I_CONTINUE_NEEDED) {
                    if (inbuffers[1].BufferType == SECBUFFER_EXTRA && inbuffers[1].cbBuffer > 0) {
                        // move extra data to the beginning of the buffer
                        size_t extra_size = static_cast<size_t>(inbuffers[1].cbBuffer);
                        size_t consumed = handshake_buffer.size() - extra_size;
                        std::memmove(handshake_buffer.data(), handshake_buffer.data() + consumed, extra_size);
                        handshake_buffer.resize(extra_size);
                    } else {
                        // all consumed
                        handshake_buffer.clear();
                    }
                }
            }
            
            if (status == SEC_I_CONTINUE_NEEDED && outbuffers[0].cbBuffer > 0 && outbuffers[0].pvBuffer != nullptr) {
                if (outbuffers[0].cbBuffer < 0 || outbuffers[0].cbBuffer > 65536) {
                    kinc_log(KINC_LOG_LEVEL_ERROR, "Invalid SSL handshake buffer size: %d bytes (corrupted data)", outbuffers[0].cbBuffer);
                    if (outbuffers[0].pvBuffer) FreeContextBuffer(outbuffers[0].pvBuffer);
                    return false;
                }
                
                kinc_log(KINC_LOG_LEVEL_INFO, "Sending SSL handshake data: %d bytes", outbuffers[0].cbBuffer);
                int sent = ::send(socket, static_cast<char*>(outbuffers[0].pvBuffer), 
                                outbuffers[0].cbBuffer, 0);
                if (sent <= 0) {
                    int error = WSAGetLastError();
                    const char* error_desc = "Unknown socket error";
                    switch (error) {
                        case WSAENOTCONN: error_desc = "WSAENOTCONN - Socket is not connected"; break;
                        case WSAECONNRESET: error_desc = "WSAECONNRESET - Connection reset by peer"; break;
                        case WSAEWOULDBLOCK: error_desc = "WSAEWOULDBLOCK - Resource temporarily unavailable"; break;
                        case WSAENETDOWN: error_desc = "WSAENETDOWN - Network is down"; break;
                        case WSAEFAULT: error_desc = "WSAEFAULT - Bad address"; break;
                        case WSAEINVAL: error_desc = "WSAEINVAL - Invalid argument"; break;
                        case WSAENOTSOCK: error_desc = "WSAENOTSOCK - Socket operation on non-socket"; break;
                    }
                    kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to send SSL handshake data: sent=%d, error=%d (%s)", sent, error, error_desc);
                    if (outbuffers[0].pvBuffer) FreeContextBuffer(outbuffers[0].pvBuffer);
                    return false;
                }
                kinc_log(KINC_LOG_LEVEL_INFO, "Successfully sent SSL handshake data: %d bytes", sent);
                FreeContextBuffer(outbuffers[0].pvBuffer);
                outbuffers[0].pvBuffer = nullptr;
                outbuffers[0].cbBuffer = 0;
            }
            
            if (status == SEC_I_CONTINUE_NEEDED || status == SEC_E_INCOMPLETE_MESSAGE) {
                char recv_buffer[8192];
                kinc_log(KINC_LOG_LEVEL_INFO, "Waiting to receive SSL handshake response...");
                int received = ::recv(socket, recv_buffer, sizeof(recv_buffer), 0);
                if (received <= 0) {
                    int error = WSAGetLastError();
                    const char* error_desc = "Unknown socket error";
                    switch (error) {
                        case WSAENOTCONN: error_desc = "WSAENOTCONN - Socket is not connected"; break;
                        case WSAECONNRESET: error_desc = "WSAECONNRESET - Connection reset by peer"; break;
                        case WSAEWOULDBLOCK: error_desc = "WSAEWOULDBLOCK - Resource temporarily unavailable"; break;
                        case WSAENETDOWN: error_desc = "WSAENETDOWN - Network is down"; break;
                        case WSAEFAULT: error_desc = "WSAEFAULT - Bad address"; break;
                        case WSAEINVAL: error_desc = "WSAEINVAL - Invalid argument"; break;
                        case WSAENOTSOCK: error_desc = "WSAENOTSOCK - Socket operation on non-socket"; break;
                        case WSAECONNABORTED: error_desc = "WSAECONNABORTED - Connection aborted"; break;
                    }
                    kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to receive SSL handshake data: received=%d, error=%d (%s)", received, error, error_desc);
                    return false;
                }
                kinc_log(KINC_LOG_LEVEL_INFO, "Received SSL handshake response: %d bytes", received);
                
                handshake_buffer.insert(handshake_buffer.end(), recv_buffer, recv_buffer + received);
            }
        }
        
        if (status == SEC_E_OK) {
            ssl_context_initialized_ = true;
            kinc_log(KINC_LOG_LEVEL_INFO, "SChannel SSL handshake completed successfully");
            
            kinc_log(KINC_LOG_LEVEL_INFO, "SSL buffer size after handshake: %zu bytes", ssl_buffer_.size());
            
            return true;
        } else {
            const char* error_desc = "Unknown error";
            switch (status) {
                case SEC_E_LOGON_DENIED: error_desc = "SEC_E_LOGON_DENIED - The logon attempt failed"; break;
                case SEC_E_INVALID_TOKEN: error_desc = "SEC_E_INVALID_TOKEN - Invalid security token"; break;
                case SEC_E_INVALID_HANDLE: error_desc = "SEC_E_INVALID_HANDLE - Invalid handle"; break;
                case SEC_E_INTERNAL_ERROR: error_desc = "SEC_E_INTERNAL_ERROR - Internal error"; break;
                case SEC_E_NO_CREDENTIALS: error_desc = "SEC_E_NO_CREDENTIALS - No credentials available"; break;
                case SEC_E_WRONG_PRINCIPAL: error_desc = "SEC_E_WRONG_PRINCIPAL - Wrong principal"; break;
                case SEC_E_CERT_EXPIRED: error_desc = "SEC_E_CERT_EXPIRED - Certificate expired"; break;
                case SEC_E_CERT_UNKNOWN: error_desc = "SEC_E_CERT_UNKNOWN - Certificate unknown"; break;
                case SEC_E_UNTRUSTED_ROOT: error_desc = "SEC_E_UNTRUSTED_ROOT - Untrusted root certificate"; break;
            }
            kinc_log(KINC_LOG_LEVEL_ERROR, "SChannel SSL handshake failed with status: 0x%x (%s)", status, error_desc);
            return false;
        }
        
        kinc_log(KINC_LOG_LEVEL_ERROR, "SSL handshake failed after %d retries", MAX_SSL_RETRIES);
        return false;
        
        #else
        ssl_ = SSL_new(ssl_ctx_);
        if (!ssl_) {
            kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to create SSL structure");
            return false;
        }
        
        if (SSL_set_fd(ssl_, socket) != 1) {
            kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to set SSL socket");
            SSL_free(ssl_);
            ssl_ = nullptr;
            return false;
        }
        
        SSL_set_tlsext_host_name(ssl_, host.c_str());
        
        int result = SSL_connect(ssl_);
        if (result != 1) {
            int error = SSL_get_error(ssl_, result);
            kinc_log(KINC_LOG_LEVEL_ERROR, "SSL handshake failed: %d", error);
            SSL_free(ssl_);
            ssl_ = nullptr;
            return false;
        }
        
        ssl_initialized_ = true;
        kinc_log(KINC_LOG_LEVEL_INFO, "OpenSSL handshake completed successfully");
        return true;
        #endif
    }

    int HttpRequestClient::sslRead(char* buffer, int length) {
        #ifdef _WIN32
        // windows SChannel read implementation with SEC_E_INCOMPLETE_MESSAGE handling
        if (!ssl_context_initialized_) {
            return -1;
        }
        
        kinc_log(KINC_LOG_LEVEL_INFO, "Enhanced sslRead called, SSL buffer size: %zu bytes", ssl_buffer_.size());
        
        const int MAX_SSL_RETRIES = 3;
        const int SSL_TIMEOUT_MS = 30000; 
        int retry_count = 0;
        
        SECURITY_STATUS status = SEC_E_OK;
        
        while (retry_count < MAX_SSL_RETRIES) {
            if (ssl_buffer_.empty()) {
                kinc_log(KINC_LOG_LEVEL_INFO, "SSL buffer empty, reading encrypted data from socket...");
                char temp_buffer[8192];
                
                // use shorter timeout and non-blocking approach
                int received = receiveWithTimeout(ssl_socket_, temp_buffer, sizeof(temp_buffer), 5000); // 5 sec timeout
                kinc_log(KINC_LOG_LEVEL_INFO, "receiveWithTimeout returned: %d bytes", received);
                
                if (received > 0) {
                    ssl_buffer_.insert(ssl_buffer_.end(), temp_buffer, temp_buffer + received);
                    kinc_log(KINC_LOG_LEVEL_INFO, "Read %d encrypted bytes from socket, SSL buffer now: %zu bytes", 
                             received, ssl_buffer_.size());
                } else if (received == 0) {
                    kinc_log(KINC_LOG_LEVEL_INFO, "SSL connection closed by server (no data available)");
                    return 0;
                } else {
                    kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to read SSL data from socket (timeout or error)");
                    return -1;
                }
            }
            
            if (!ssl_buffer_.empty()) {
                kinc_log(KINC_LOG_LEVEL_INFO, "Processing SSL buffer: %zu bytes, attempt %d", 
                         ssl_buffer_.size(), retry_count + 1);
                         
                SecBufferDesc message_desc;
                SecBuffer message_buffers[4];
                
                message_desc.ulVersion = SECBUFFER_VERSION;
                message_desc.cBuffers = 4;
                message_desc.pBuffers = message_buffers;
                message_buffers[0].BufferType = SECBUFFER_DATA;
                message_buffers[0].pvBuffer = ssl_buffer_.data();
                message_buffers[0].cbBuffer = static_cast<unsigned long>(ssl_buffer_.size());
                message_buffers[1].BufferType = SECBUFFER_EMPTY;
                message_buffers[1].pvBuffer = nullptr;
                message_buffers[1].cbBuffer = 0;
                message_buffers[2].BufferType = SECBUFFER_EMPTY;
                message_buffers[2].pvBuffer = nullptr;
                message_buffers[2].cbBuffer = 0;
                message_buffers[3].BufferType = SECBUFFER_EMPTY;
                message_buffers[3].pvBuffer = nullptr;
                message_buffers[3].cbBuffer = 0;
                
                status = DecryptMessage(
                    reinterpret_cast<PCtxtHandle>(ssl_context_handle_), 
                    &message_desc, 0, nullptr);
                
                if (status == SEC_E_OK) {
                    SecBuffer* data_buffer = nullptr;
                    SecBuffer* extra_buffer = nullptr;
                    
                    for (int i = 0; i < 4; i++) {
                        if (message_buffers[i].BufferType == SECBUFFER_DATA) {
                            data_buffer = &message_buffers[i];
                        } else if (message_buffers[i].BufferType == SECBUFFER_EXTRA) {
                            extra_buffer = &message_buffers[i];
                        }
                    }
                    
                    if (data_buffer && data_buffer->cbBuffer > 0) {
                        int bytes_to_copy = (length < (int)data_buffer->cbBuffer) ? length : (int)data_buffer->cbBuffer;
                        memcpy(buffer, data_buffer->pvBuffer, static_cast<size_t>(bytes_to_copy));
                        
                        if (extra_buffer && extra_buffer->cbBuffer > 0) {
                            std::memmove(ssl_buffer_.data(), extra_buffer->pvBuffer, static_cast<size_t>(extra_buffer->cbBuffer));
                            ssl_buffer_.resize(static_cast<size_t>(extra_buffer->cbBuffer));
                        } else {
                            ssl_buffer_.clear();
                        }
                        
                        return bytes_to_copy;
                    }
                    
                    ssl_buffer_.clear();
                    
                } else if (status == SEC_E_INCOMPLETE_MESSAGE) {
                    // expected behavior
                    kinc_log(KINC_LOG_LEVEL_INFO, "SSL decrypt needs more data (SEC_E_INCOMPLETE_MESSAGE) - reading more...");
                    
                    char recv_buffer[8192];
                    int received = receiveWithTimeout(ssl_socket_, recv_buffer, sizeof(recv_buffer), SSL_TIMEOUT_MS);
                    
                    if (received > 0) {
                        ssl_buffer_.insert(ssl_buffer_.end(), recv_buffer, recv_buffer + received);
                        kinc_log(KINC_LOG_LEVEL_INFO, "Received %d more SSL bytes, total buffer: %zu", 
                                 received, ssl_buffer_.size());
                        continue; 
                    } else if (received == 0) {
                        kinc_log(KINC_LOG_LEVEL_INFO, "SSL connection closed gracefully by server");
                        return 0;
                    } else {
                        // leftover data treated as a connection close
                        if (ssl_buffer_.size() < 50) {
                            kinc_log(KINC_LOG_LEVEL_INFO, "Incomplete message with small buffer (%zu bytes) and no more data - likely connection close", 
                                     ssl_buffer_.size());
                            ssl_buffer_.clear();
                            return 0;
                        }
                        kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to receive additional SSL data (timeout or error)");
                        return -1;
                    }
                    
                } else if (status == SEC_I_CONTEXT_EXPIRED || status == 0x00090317) {
                    kinc_log(KINC_LOG_LEVEL_INFO, "SSL context expired in inner loop");
                    ssl_buffer_.clear();
                    return 0;
                } else {
                    // small buffer is likely connection close with partial data
                    if (ssl_buffer_.size() < 50) {
                        kinc_log(KINC_LOG_LEVEL_INFO, "SChannel status 0x%x with small buffer (%zu bytes) - treating as connection close", 
                                 status, ssl_buffer_.size());
                        ssl_buffer_.clear();
                        return 0;
                    }
                    kinc_log(KINC_LOG_LEVEL_ERROR, "SChannel decrypt failed: 0x%x", status);
                    return -1;
                }
                
                ssl_buffer_.clear();
                
            } else if (status == SEC_E_INCOMPLETE_MESSAGE) {
                // expected behavior
                kinc_log(KINC_LOG_LEVEL_INFO, "SSL decrypt needs more data (SEC_E_INCOMPLETE_MESSAGE) - reading more...");
                
                char recv_buffer[8192];
                kinc_log(KINC_LOG_LEVEL_INFO, "About to call receiveWithTimeout on socket, timeout=%d ms", SSL_TIMEOUT_MS);
                int received = receiveWithTimeout(ssl_socket_, recv_buffer, sizeof(recv_buffer), SSL_TIMEOUT_MS);
                kinc_log(KINC_LOG_LEVEL_INFO, "receiveWithTimeout returned: %d bytes", received);
                
                if (received > 0) {
                    ssl_buffer_.insert(ssl_buffer_.end(), recv_buffer, recv_buffer + received);
                    kinc_log(KINC_LOG_LEVEL_INFO, "Received %d more SSL bytes, total buffer: %zu", 
                             received, ssl_buffer_.size());
                    continue; 
                } else if (received == 0) {
                    kinc_log(KINC_LOG_LEVEL_INFO, "SSL connection closed gracefully by server");
                    return 0;
                } else {
                    kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to receive additional SSL data (timeout or error)");
                    return -1;
                }
                
            } else if (status == SEC_I_CONTEXT_EXPIRED || status == 0x00090317) {
                // closed by server - SEC_I_CONTEXT_EXPIRED = 0x00090317 is normal for HTTP with "Connection: close"
                kinc_log(KINC_LOG_LEVEL_INFO, "SSL context expired (connection closed by server)");
                ssl_buffer_.clear();
                return 0; 
            } else if (status == SEC_I_RENEGOTIATE) {
                kinc_log(KINC_LOG_LEVEL_INFO, "SSL renegotiation requested, treating as connection close");
                ssl_buffer_.clear();
                return 0;
            } else {
                // possible when connection closes with partial SSL record
                if (ssl_buffer_.size() < 50) {
                    kinc_log(KINC_LOG_LEVEL_INFO, "SChannel decrypt status 0x%x with small buffer (%zu bytes) - likely connection close", 
                             status, ssl_buffer_.size());
                    ssl_buffer_.clear();
                    return 0; 
                }
                kinc_log(KINC_LOG_LEVEL_ERROR, "SChannel decrypt failed: 0x%x", status);
                return -1;
            }
            
            retry_count++;
        }
        
        kinc_log(KINC_LOG_LEVEL_ERROR, "SSL read failed after %d retries", MAX_SSL_RETRIES);
        return -1;
        
        #else
        if (!ssl_) {
            return -1;
        }
        
        int bytes_read = SSL_read(ssl_, buffer, length);
        if (bytes_read <= 0) {
            int error = SSL_get_error(ssl_, bytes_read);
            if (error == SSL_ERROR_WANT_READ || error == SSL_ERROR_WANT_WRITE) {
                return 0; 
            }
            return -1;
        }
        return bytes_read;
        #endif
    }

    int HttpRequestClient::sslWrite(const char* buffer, int length) {
        #ifdef _WIN32
        // windows SChannel write implementation
        if (!ssl_context_initialized_) {
            return -1;
        }
        
        SecBufferDesc message_desc;
        SecBuffer message_buffers[4];
        
        SecPkgContext_StreamSizes stream_sizes;
        SECURITY_STATUS status = QueryContextAttributesA(
            reinterpret_cast<PCtxtHandle>(ssl_context_handle_),
            SECPKG_ATTR_STREAM_SIZES, &stream_sizes);
            
        if (status != SEC_E_OK) {
            kinc_log(KINC_LOG_LEVEL_ERROR, "Failed to get stream sizes: 0x%x", status);
            return -1;
        }
        
        int total_size = stream_sizes.cbHeader + length + stream_sizes.cbTrailer;
        char* encrypt_buffer = new char[total_size];
        
        message_desc.ulVersion = SECBUFFER_VERSION;
        message_desc.cBuffers = 4;
        message_desc.pBuffers = message_buffers;
        
        message_buffers[0].BufferType = SECBUFFER_STREAM_HEADER;
        message_buffers[0].pvBuffer = encrypt_buffer;
        message_buffers[0].cbBuffer = stream_sizes.cbHeader;
        
        message_buffers[1].BufferType = SECBUFFER_DATA;
        message_buffers[1].pvBuffer = encrypt_buffer + stream_sizes.cbHeader;
        message_buffers[1].cbBuffer = length;
        memcpy(message_buffers[1].pvBuffer, buffer, length);
        
        message_buffers[2].BufferType = SECBUFFER_STREAM_TRAILER;
        message_buffers[2].pvBuffer = encrypt_buffer + stream_sizes.cbHeader + length;
        message_buffers[2].cbBuffer = stream_sizes.cbTrailer;
        
        message_buffers[3].BufferType = SECBUFFER_EMPTY;
        message_buffers[3].pvBuffer = nullptr;
        message_buffers[3].cbBuffer = 0;
        
        status = EncryptMessage(
            reinterpret_cast<PCtxtHandle>(ssl_context_handle_),
            0, &message_desc, 0);
            
        if (status != SEC_E_OK) {
            kinc_log(KINC_LOG_LEVEL_ERROR, "SChannel encrypt failed: 0x%x", status);
            delete[] encrypt_buffer;
            return -1;
        }
        
        int total_bytes_to_send = stream_sizes.cbHeader + length + stream_sizes.cbTrailer;
        int bytes_sent = ::send(ssl_socket_, encrypt_buffer, total_bytes_to_send, 0);
        
        kinc_log(KINC_LOG_LEVEL_INFO, "SSL encrypted and sent %d bytes (original: %d)", bytes_sent, length);
        
        delete[] encrypt_buffer;
        
        if (bytes_sent == total_bytes_to_send) {
            // return original length on success
            return length; 
        } else {
            kinc_log(KINC_LOG_LEVEL_ERROR, "SSL send failed: sent %d of %d bytes", bytes_sent, total_bytes_to_send);
            return -1;
        }
        #else
        if (!ssl_) {
            return -1;
        }
        
        int bytes_written = SSL_write(ssl_, buffer, length);
        if (bytes_written <= 0) {
            int error = SSL_get_error(ssl_, bytes_written);
            if (error == SSL_ERROR_WANT_READ || error == SSL_ERROR_WANT_WRITE) {
                return 0; 
            }
            return -1;
        }
        return bytes_written;
        #endif
    }
    #endif

}

// V8 binding functions
void runt_httprequest_create(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    int id = HttpRequestWrapper::createHttpRequest(isolate);
    args.GetReturnValue().Set(Number::New(isolate, id));
}

void runt_httprequest_open(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 3 || !args[0]->IsNumber() || !args[1]->IsString() || !args[2]->IsString()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    String::Utf8Value method(isolate, args[1]);
    String::Utf8Value url(isolate, args[2]);
    bool async = args.Length() > 3 ? args[3]->BooleanValue(isolate) : true;
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->open(*method, *url, async);
    }
}

void runt_httprequest_send(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 1 || !args[0]->IsNumber()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    std::string data = "";
    
    if (args.Length() > 1 && args[1]->IsString()) {
        String::Utf8Value data_str(isolate, args[1]);
        data = *data_str;
    }
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->send(data);
    }
}

void runt_httprequest_abort(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 1 || !args[0]->IsNumber()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->abort();
    }
}

void runt_httprequest_set_request_header(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 3 || !args[0]->IsNumber() || !args[1]->IsString() || !args[2]->IsString()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    String::Utf8Value header(isolate, args[1]);
    String::Utf8Value value(isolate, args[2]);
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->setRequestHeader(*header, *value);
    }
}

void runt_httprequest_get_all_response_headers(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 1 || !args[0]->IsNumber()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        std::string headers = it->second->getAllResponseHeaders();
        args.GetReturnValue().Set(String::NewFromUtf8(isolate, headers.c_str()).ToLocalChecked());
    } else {
        args.GetReturnValue().Set(String::NewFromUtf8(isolate, "").ToLocalChecked());
    }
}

void runt_httprequest_get_response_header(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsString()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    String::Utf8Value header(isolate, args[1]);
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        std::string value = it->second->getResponseHeader(*header);
        args.GetReturnValue().Set(String::NewFromUtf8(isolate, value.c_str()).ToLocalChecked());
    } else {
        args.GetReturnValue().Set(String::NewFromUtf8(isolate, "").ToLocalChecked());
    }
}

void runt_httprequest_get_ready_state(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 1 || !args[0]->IsNumber()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        args.GetReturnValue().Set(Number::New(isolate, it->second->getReadyState()));
    } else {
        args.GetReturnValue().Set(Number::New(isolate, 0));
    }
}

void runt_httprequest_get_status(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 1 || !args[0]->IsNumber()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        args.GetReturnValue().Set(Number::New(isolate, it->second->getStatus()));
    } else {
        args.GetReturnValue().Set(Number::New(isolate, 0));
    }
}

void runt_httprequest_get_status_text(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 1 || !args[0]->IsNumber()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        std::string statusText = it->second->getStatusText();
        args.GetReturnValue().Set(String::NewFromUtf8(isolate, statusText.c_str()).ToLocalChecked());
    } else {
        args.GetReturnValue().Set(String::NewFromUtf8(isolate, "").ToLocalChecked());
    }
}

void runt_httprequest_get_response_text(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 1 || !args[0]->IsNumber()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        std::string responseText = it->second->getResponseText();
        
        if (responseText.empty()) {
            kinc_log(KINC_LOG_LEVEL_WARNING, "HTTP response text is empty for request ID: %d", id);
        }
        
        // ArrayBuffer response type, return an ArrayBuffer instead of string
        if (it->second->getResponseType() == HttpRequestWrapper::ARRAY_BUFFER) {
            if (responseText.empty()) {
                Local<ArrayBuffer> buffer = ArrayBuffer::New(isolate, 0);
                args.GetReturnValue().Set(buffer);
            } else {
                size_t length = responseText.length();
                std::unique_ptr<v8::BackingStore> backing = v8::ArrayBuffer::NewBackingStore(isolate, length);
                memcpy(backing->Data(), responseText.c_str(), length);
                Local<ArrayBuffer> buffer = ArrayBuffer::New(isolate, std::move(backing));
                args.GetReturnValue().Set(buffer);
            }
        } else {
            if (responseText.empty()) {
                args.GetReturnValue().Set(String::NewFromUtf8(isolate, "").ToLocalChecked());
            } else {
                args.GetReturnValue().Set(String::NewFromUtf8(isolate, responseText.c_str()).ToLocalChecked());
            }
        }
    } else {
        kinc_log(KINC_LOG_LEVEL_ERROR, "HTTP request not found for ID: %d", id);
        // return empty ArrayBuffer instead of empty string to prevent hxBytes errors
        Local<ArrayBuffer> buffer = ArrayBuffer::New(isolate, 0);
        args.GetReturnValue().Set(buffer);
    }
}

void runt_httprequest_get_response_url(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 1 || !args[0]->IsNumber()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        std::string responseURL = it->second->getResponseURL();
        args.GetReturnValue().Set(String::NewFromUtf8(isolate, responseURL.c_str()).ToLocalChecked());
    } else {
        args.GetReturnValue().Set(String::NewFromUtf8(isolate, "").ToLocalChecked());
    }
}

void runt_httprequest_set_timeout(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsNumber()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    int timeout = args[1]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->setTimeout(timeout);
    }
}

void runt_httprequest_set_response_type(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsNumber()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    int type = args[1]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->setResponseType(static_cast<HttpRequestWrapper::ResponseType>(type));
    }
}

void runt_httprequest_set_with_credentials(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsBoolean()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    bool withCredentials = args[1]->BooleanValue(isolate);
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->setWithCredentials(withCredentials);
    }
}

void runt_httprequest_set_onreadystatechange(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsFunction()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    Local<Function> callback = Local<Function>::Cast(args[1]);
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->setOnReadyStateChange(callback);
    }
}

void runt_httprequest_set_onload(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsFunction()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    Local<Function> callback = Local<Function>::Cast(args[1]);
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->setOnLoad(callback);
    }
}

void runt_httprequest_set_onerror(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsFunction()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    Local<Function> callback = Local<Function>::Cast(args[1]);
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->setOnError(callback);
    }
}

void runt_httprequest_set_ontimeout(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsFunction()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    Local<Function> callback = Local<Function>::Cast(args[1]);
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->setOnTimeout(callback);
    }
}

void runt_httprequest_set_onabort(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsFunction()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    Local<Function> callback = Local<Function>::Cast(args[1]);
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->setOnAbort(callback);
    }
}

void runt_httprequest_set_onprogress(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsFunction()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    Local<Function> callback = Local<Function>::Cast(args[1]);
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->setOnProgress(callback);
    }
}

void runt_httprequest_set_onloadstart(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsFunction()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    Local<Function> callback = Local<Function>::Cast(args[1]);
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->setOnLoadStart(callback);
    }
}

void runt_httprequest_set_onloadend(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    
    if (args.Length() < 2 || !args[0]->IsNumber() || !args[1]->IsFunction()) {
        isolate->ThrowException(Exception::TypeError(String::NewFromUtf8(isolate, "Invalid arguments").ToLocalChecked()));
        return;
    }
    
    int id = args[0]->Int32Value(isolate->GetCurrentContext()).ToChecked();
    Local<Function> callback = Local<Function>::Cast(args[1]);
    
    auto it = HttpRequestWrapper::active_requests.find(id);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->setOnLoadEnd(callback);
    }
}

// Native XMLHttpRequest class implementation for V8
static void XMLHttpRequestConstructor(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    Local<Context> context = isolate->GetCurrentContext();

    if (!args.IsConstructCall()) {
        isolate->ThrowException(Exception::TypeError(
            String::NewFromUtf8(isolate, "XMLHttpRequest constructor requires 'new'").ToLocalChecked()));
        return;
    }

    int reqId = HttpRequestWrapper::createHttpRequest(isolate);

    Local<Object> instance = args.This();
    instance->Set(context, String::NewFromUtf8(isolate, "_id").ToLocalChecked(), Integer::New(isolate, reqId));
    instance->Set(context, String::NewFromUtf8(isolate, "readyState").ToLocalChecked(), Integer::New(isolate, 0));
    instance->Set(context, String::NewFromUtf8(isolate, "response").ToLocalChecked(), Null(isolate));
    instance->Set(context, String::NewFromUtf8(isolate, "responseText").ToLocalChecked(), String::NewFromUtf8(isolate, "").ToLocalChecked());
    instance->Set(context, String::NewFromUtf8(isolate, "responseType").ToLocalChecked(), String::NewFromUtf8(isolate, "").ToLocalChecked());
    instance->Set(context, String::NewFromUtf8(isolate, "responseURL").ToLocalChecked(), String::NewFromUtf8(isolate, "").ToLocalChecked());
    instance->Set(context, String::NewFromUtf8(isolate, "status").ToLocalChecked(), Integer::New(isolate, 0));
    instance->Set(context, String::NewFromUtf8(isolate, "statusText").ToLocalChecked(), String::NewFromUtf8(isolate, "").ToLocalChecked());
    instance->Set(context, String::NewFromUtf8(isolate, "timeout").ToLocalChecked(), Integer::New(isolate, 0));
    instance->Set(context, String::NewFromUtf8(isolate, "withCredentials").ToLocalChecked(), Boolean::New(isolate, false));
    instance->Set(context, String::NewFromUtf8(isolate, "onreadystatechange").ToLocalChecked(), Null(isolate));
    instance->Set(context, String::NewFromUtf8(isolate, "onload").ToLocalChecked(), Null(isolate));
    instance->Set(context, String::NewFromUtf8(isolate, "onerror").ToLocalChecked(), Null(isolate));
    instance->Set(context, String::NewFromUtf8(isolate, "onabort").ToLocalChecked(), Null(isolate));
    instance->Set(context, String::NewFromUtf8(isolate, "ontimeout").ToLocalChecked(), Null(isolate));
    instance->Set(context, String::NewFromUtf8(isolate, "onprogress").ToLocalChecked(), Null(isolate));
    instance->Set(context, String::NewFromUtf8(isolate, "onloadstart").ToLocalChecked(), Null(isolate));
    instance->Set(context, String::NewFromUtf8(isolate, "onloadend").ToLocalChecked(), Null(isolate));

    args.GetReturnValue().Set(instance);
}

static void XMLHttpRequestOpen(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    Local<Context> context = isolate->GetCurrentContext();
    Local<Object> self = args.Holder();

    if (args.Length() < 2 || !args[0]->IsString() || !args[1]->IsString()) {
        isolate->ThrowException(Exception::TypeError(
            String::NewFromUtf8(isolate, "Method and URL required").ToLocalChecked()));
        return;
    }

    Local<Value> idVal = self->Get(context, String::NewFromUtf8(isolate, "_id").ToLocalChecked()).ToLocalChecked();
    int reqId = idVal->Int32Value(context).FromJust();

    String::Utf8Value method(isolate, args[0]);
    String::Utf8Value url(isolate, args[1]);
    bool async = args.Length() > 2 ? args[2]->BooleanValue(isolate) : true;

    auto it = HttpRequestWrapper::active_requests.find(reqId);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->open(*method, *url, async);
        self->Set(context, String::NewFromUtf8(isolate, "readyState").ToLocalChecked(), 
                  Integer::New(isolate, it->second->getReadyState()));
    }
}

static void XMLHttpRequestSend(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    Local<Context> context = isolate->GetCurrentContext();
    Local<Object> self = args.Holder();

    Local<Value> idVal = self->Get(context, String::NewFromUtf8(isolate, "_id").ToLocalChecked()).ToLocalChecked();
    int reqId = idVal->Int32Value(context).FromJust();

    std::string data = "";
    if (args.Length() > 0 && args[0]->IsString()) {
        String::Utf8Value str(isolate, args[0]);
        data = *str;
    }

    auto it = HttpRequestWrapper::active_requests.find(reqId);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->send(data);
    }
}

static void XMLHttpRequestAbort(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    Local<Context> context = isolate->GetCurrentContext();
    Local<Object> self = args.Holder();

    Local<Value> idVal = self->Get(context, String::NewFromUtf8(isolate, "_id").ToLocalChecked()).ToLocalChecked();
    int reqId = idVal->Int32Value(context).FromJust();

    auto it = HttpRequestWrapper::active_requests.find(reqId);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->abort();
    }
}

static void XMLHttpRequestSetRequestHeader(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    Local<Context> context = isolate->GetCurrentContext();
    Local<Object> self = args.Holder();

    if (args.Length() < 2 || !args[0]->IsString() || !args[1]->IsString()) {
        isolate->ThrowException(Exception::TypeError(
            String::NewFromUtf8(isolate, "Header name and value required").ToLocalChecked()));
        return;
    }

    Local<Value> idVal = self->Get(context, String::NewFromUtf8(isolate, "_id").ToLocalChecked()).ToLocalChecked();
    int reqId = idVal->Int32Value(context).FromJust();

    String::Utf8Value header(isolate, args[0]);
    String::Utf8Value value(isolate, args[1]);

    auto it = HttpRequestWrapper::active_requests.find(reqId);
    if (it != HttpRequestWrapper::active_requests.end()) {
        it->second->setRequestHeader(*header, *value);
    }
}

static void XMLHttpRequestGetAllResponseHeaders(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    Local<Context> context = isolate->GetCurrentContext();
    Local<Object> self = args.Holder();

    Local<Value> idVal = self->Get(context, String::NewFromUtf8(isolate, "_id").ToLocalChecked()).ToLocalChecked();
    int reqId = idVal->Int32Value(context).FromJust();

    auto it = HttpRequestWrapper::active_requests.find(reqId);
    if (it != HttpRequestWrapper::active_requests.end()) {
        std::string headers = it->second->getAllResponseHeaders();
        args.GetReturnValue().Set(String::NewFromUtf8(isolate, headers.c_str()).ToLocalChecked());
    } else {
        args.GetReturnValue().Set(String::NewFromUtf8(isolate, "").ToLocalChecked());
    }
}

static void XMLHttpRequestGetResponseHeader(const FunctionCallbackInfo<Value>& args) {
    Isolate* isolate = args.GetIsolate();
    HandleScope scope(isolate);
    Local<Context> context = isolate->GetCurrentContext();
    Local<Object> self = args.Holder();

    if (args.Length() < 1 || !args[0]->IsString()) {
        args.GetReturnValue().SetNull();
        return;
    }

    Local<Value> idVal = self->Get(context, String::NewFromUtf8(isolate, "_id").ToLocalChecked()).ToLocalChecked();
    int reqId = idVal->Int32Value(context).FromJust();

    String::Utf8Value header(isolate, args[0]);

    auto it = HttpRequestWrapper::active_requests.find(reqId);
    if (it != HttpRequestWrapper::active_requests.end()) {
        std::string value = it->second->getResponseHeader(*header);
        if (value.empty()) {
            args.GetReturnValue().SetNull();
        } else {
            args.GetReturnValue().Set(String::NewFromUtf8(isolate, value.c_str()).ToLocalChecked());
        }
    } else {
        args.GetReturnValue().SetNull();
    }
}

void createXMLHttpRequestClass(Isolate* isolate, Local<ObjectTemplate>& global) {
    Local<FunctionTemplate> xhrTpl = FunctionTemplate::New(isolate, XMLHttpRequestConstructor);
    xhrTpl->SetClassName(String::NewFromUtf8(isolate, "XMLHttpRequest").ToLocalChecked());
    xhrTpl->InstanceTemplate()->SetInternalFieldCount(1);

    Local<ObjectTemplate> proto = xhrTpl->PrototypeTemplate();
    proto->Set(isolate, "open", FunctionTemplate::New(isolate, XMLHttpRequestOpen));
    proto->Set(isolate, "send", FunctionTemplate::New(isolate, XMLHttpRequestSend));
    proto->Set(isolate, "abort", FunctionTemplate::New(isolate, XMLHttpRequestAbort));
    proto->Set(isolate, "setRequestHeader", FunctionTemplate::New(isolate, XMLHttpRequestSetRequestHeader));
    proto->Set(isolate, "getAllResponseHeaders", FunctionTemplate::New(isolate, XMLHttpRequestGetAllResponseHeaders));
    proto->Set(isolate, "getResponseHeader", FunctionTemplate::New(isolate, XMLHttpRequestGetResponseHeader));

    Local<Function> xhrFunc = xhrTpl->GetFunction(isolate->GetCurrentContext()).ToLocalChecked();
    xhrFunc->Set(isolate->GetCurrentContext(), String::NewFromUtf8(isolate, "UNSENT").ToLocalChecked(), Integer::New(isolate, 0));
    xhrFunc->Set(isolate->GetCurrentContext(), String::NewFromUtf8(isolate, "OPENED").ToLocalChecked(), Integer::New(isolate, 1));
    xhrFunc->Set(isolate->GetCurrentContext(), String::NewFromUtf8(isolate, "HEADERS_RECEIVED").ToLocalChecked(), Integer::New(isolate, 2));
    xhrFunc->Set(isolate->GetCurrentContext(), String::NewFromUtf8(isolate, "LOADING").ToLocalChecked(), Integer::New(isolate, 3));
    xhrFunc->Set(isolate->GetCurrentContext(), String::NewFromUtf8(isolate, "DONE").ToLocalChecked(), Integer::New(isolate, 4));

    global->Set(isolate, "XMLHttpRequest", xhrTpl);
}

#endif