#include <QCoreApplication>
#include <QFileInfo>
#include <QLocalServer>
#include <QLocalSocket>

#include "ipc.h"
#include "localserver.h"
#include "utils.h"

#include "router.h"

#ifdef Q_OS_WIN
#include "tapcontroller_win.h"
#endif

LocalServer::LocalServer(QObject *parent) : QObject(parent),
//    m_clientConnection(nullptr),
//    m_clientConnected(false),
    m_ipcServer(this)
{
//    m_server = QSharedPointer<QLocalServer>(new QLocalServer(this));
//    m_server->setSocketOptions(QLocalServer::WorldAccessOption);

//    if (!m_server->listen(Utils::serverName())) {
//        qDebug() << QString("Unable to start the server: %1.").arg(m_server->errorString());
//        return;
//    }

//    connect(m_server.data(), &QLocalServer::newConnection, this, &LocalServer::onNewConnection);

//    qDebug().noquote() << QString("Local server started on '%1'").arg(m_server->serverName());

    m_serverNode.setHostUrl(QUrl(QStringLiteral(IPC_SERVICE_URL))); // create host node without Registry
    m_serverNode.enableRemoting(&m_ipcServer); // enable remoting/sharing
}

LocalServer::~LocalServer()
{
//    m_clientConnected = false;
//    m_server->disconnect();

//    QFile::remove(Utils::serverName());

    qDebug() << "Local server stopped";
}

//bool LocalServer::isRunning() const
//{
//    return true;
//    //return m_server->isListening();
//}

//void LocalServer::onNewConnection()
//{
//    if (m_clientConnection) {
//        m_clientConnection->deleteLater();
//    }

//    m_clientConnection = m_server->nextPendingConnection();
//    connect(m_clientConnection, &QLocalSocket::disconnected, this, &LocalServer::onDisconnected);
//    m_clientConnected = true;

//    qDebug() << "New connection";

//    for(;;) {
//        qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
//        if (!m_clientConnected || !m_clientConnection) {
//            break;
//        }

//        if (m_clientConnection->waitForReadyRead(1000) && m_clientConnection->canReadLine()) {
//            char buf[1024];
//            qint64 lineLength = m_clientConnection->readLine(buf, sizeof(buf));
//            if (lineLength != -1) {
//                QString line = buf;
//                line = line.simplified();
//                qDebug().noquote() << QString("Read line: '%1'").arg(line);
//                Message incomingMessage(line);
//                if (!incomingMessage.isValid()) {
//                    qWarning().noquote() << "Message is not valid!";
//                    continue;
//                }
//                else {
//                    qDebug().noquote() << QString("Got message id: '%1'").arg(static_cast<int>(incomingMessage.state()));
//                    //qDebug().noquote() << incomingMessage.rawData();
//                }

//                switch (incomingMessage.state()) {
//                case Message::State::Initialize:
//                    #ifdef Q_OS_WIN
//                        TapController::Instance().checkAndSetup();
//                    #endif
//                    sendMessage(Message(Message::State::Initialize, QStringList({"Server"})));
//                    break;
//                case Message::State::StartRequest:
//                    startProcess(incomingMessage.args());
//                    break;
//                case Message::State::FinishRequest:
//                    finishProcess(incomingMessage.args());
//                    break;

//                case Message::State::RoutesAddRequest:
//                    routesAddRequest(incomingMessage.args());
//                    break;
//                case Message::State::RouteDeleteRequest:
//                    routeDeleteRequest(incomingMessage.args());
//                    break;
//                case Message::State::ClearSavedRoutesRequest:
//                    Router::Instance().clearSavedRoutes();
//                    break;
//                case Message::State::FlushDnsRequest:
//                    Router::Instance().flushDns();
//                    break;
//                case Message::State::InstallDriverRequest:
//                    checkAndInstallDriver(incomingMessage.args());
//                    break;

//                default:
//                    ;
//                }
//            }
//        }
//    }

//    qDebug() << "Released";
//}

//void LocalServer::finishProcess(const QStringList& args)
//{
//    Q_UNUSED(args)
//}

//void LocalServer::startProcess(const QStringList& messageArgs)
//{
//    if (messageArgs.size() < 1) {
//        return;
//    }

//    QProcess* process = new QProcess();
//    connect(process, SIGNAL(started()), this, SLOT(onStarted()));
//    connect(process, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(onFinished(int, QProcess::ExitStatus)));

//    const QString program = messageArgs.at(0);
//    QStringList args;
//    for (int i = 1; i < messageArgs.size(); i++) {
//        args.append(messageArgs.at(i));
//    }

//    QFileInfo fi(program);
//    const QString baseName = fi.baseName();
//    if (!fi.exists()) {
//        qWarning() << "This program does not exist";
//        sendMessage(Message(Message::State::Started, QStringList({baseName})));
//        sendMessage(Message(Message::State::Finished, QStringList({baseName, QString::number(-1)})));
//        return;
//    }

//    process->setObjectName(baseName);

//    qDebug().noquote() << QString("Start process '%1' - '%2' with args '%3'")
//                .arg(baseName).arg(program).arg(args.join(","));

//    process->start(program, args);
//    m_processList.append(process);
//}

//void LocalServer::routesAddRequest(const QStringList &messageArgs)
//{
//    Router::Instance().routeAddList(messageArgs.first(), messageArgs.mid(1));
//}

//void LocalServer::routeDeleteRequest(const QStringList &messageArgs)
//{
//    Router::Instance().routeDelete(messageArgs.first());
//}

//void LocalServer::checkAndInstallDriver(const QStringList &messageArgs)
//{

//}

//void LocalServer::onFinished(int exitCode, QProcess::ExitStatus exitStatus)
//{
//    Q_UNUSED(exitStatus)

//    QProcess* process = (QProcess*)sender();
//    sendMessage(Message(Message::State::Finished, QStringList({process->objectName(), QString::number(exitCode)})));
//}

//void LocalServer::onStarted()
//{
//    QProcess* process = (QProcess*)sender();
//    sendMessage(Message(Message::State::Started, QStringList({process->objectName()})));
//}

//void LocalServer::onDisconnected()
//{
//    if (!m_clientConnected) {
//        return;
//    }

//    m_clientConnected = false;
//    QLocalSocket* clientConnection = (QLocalSocket*)sender();
//    clientConnection->deleteLater();

//    qDebug() << "Diconnected";
//}

//void LocalServer::sendMessage(const Message& message)
//{
//    if (!m_clientConnection || !m_clientConnected) {
//        qDebug()<< "Cannot send data, remote peer is not connected";
//        return;
//    }

//    const QString data = message.toString();
//    bool status = m_clientConnection->write(QString(data + "\n").toUtf8());

//    qDebug().noquote() << QString("Send message '%1', status '%2'").arg(data).arg(Utils::toString(status));
//}