#include <UI/Widgets/AdaptixWidget.h>
#include "Client/Requestor.h"

AdaptixWidget::AdaptixWidget(AuthProfile* authProfile)
{
    this->createUI();

    LogsTab           = new LogsWidget();
    ListenersTab      = new ListenersWidget(this);
    SessionsTablePage = new SessionsTableWidget(this);
    TunnelsTab        = new TunnelsWidget(this);
    DownloadsTab      = new DownloadsWidget(this);
    TasksTab          = new TasksWidget(this);

    mainStackedWidget->addWidget(SessionsTablePage);
    mainStackedWidget->addWidget(TasksTab);

    this->SetSessionsTableUI();
    this->LoadLogsUI();

    profile = authProfile;

    ChannelThread = new QThread;
    ChannelWsWorker = new WebSocketWorker( authProfile );
    ChannelWsWorker->moveToThread( ChannelThread );

    TickThread = new QThread;
    TickWorker = new LastTickWorker( this );
    TickWorker->moveToThread( TickThread );

    connect( this, &AdaptixWidget::SyncedSignal, this, &AdaptixWidget::OnSynced);

    connect( logsButton,      &QPushButton::clicked, this, &AdaptixWidget::LoadLogsUI);
    connect( listenersButton, &QPushButton::clicked, this, &AdaptixWidget::LoadListenersUI);
    connect( sessionsButton,  &QPushButton::clicked, this, &AdaptixWidget::SetSessionsTableUI);
    connect( tasksButton,     &QPushButton::clicked, this, &AdaptixWidget::SetTasksUI);
    connect( tunnelButton,    &QPushButton::clicked, this, &AdaptixWidget::LoadTunnelsUI);
    connect( downloadsButton, &QPushButton::clicked, this, &AdaptixWidget::LoadDownloadsUI);
    connect( reconnectButton, &QPushButton::clicked, this, &AdaptixWidget::OnReconnect);

    connect( mainTabWidget->tabBar(), &QTabBar::tabCloseRequested, this, &AdaptixWidget::RemoveTab );

    connect( TickThread, &QThread::started, TickWorker, &LastTickWorker::run );

    connect( ChannelThread,   &QThread::started, ChannelWsWorker, &WebSocketWorker::run );
    connect( ChannelWsWorker, &WebSocketWorker::received_data, this, &AdaptixWidget::DataHandler );
    connect( ChannelWsWorker, &WebSocketWorker::websocket_closed, this, &AdaptixWidget::ChannelClose );

    dialogSyncPacket = new DialogSyncPacket();
    dialogSyncPacket->splashScreen->show();

    TickThread->start();
    ChannelThread->start();

    // TODO: Enable menu button
    graphButton->setVisible(false);
    line_2->setVisible(false);
    targetsButton->setVisible(false);
    credsButton->setVisible(false);
    screensButton->setVisible(false);
    keysButton->setVisible(false);
}

AdaptixWidget::~AdaptixWidget() = default;

void AdaptixWidget::createUI()
{
    listenersButton = new QPushButton( QIcon(":/icons/listeners"), "", this );
    listenersButton->setIconSize( QSize( 24,24 ));
    listenersButton->setFixedSize(37, 28);
    listenersButton->setToolTip("Listeners & Sites");

    logsButton = new QPushButton(QIcon(":/icons/logs"), "", this );
    logsButton->setIconSize( QSize( 24,24 ));
    logsButton->setFixedSize(37, 28);
    logsButton->setToolTip("Logs");

    line_1 = new QFrame(this);
    line_1->setFrameShape(QFrame::VLine);
    line_1->setMinimumHeight(25);

    sessionsButton = new QPushButton( QIcon(":/icons/format_list"), "", this );
    sessionsButton->setIconSize( QSize( 24,24 ));
    sessionsButton->setFixedSize(37, 28);
    sessionsButton->setToolTip("Session table");

    graphButton = new QPushButton( QIcon(":/icons/graph"), "", this );
    graphButton->setIconSize( QSize( 24,24 ));
    graphButton->setFixedSize(37, 28);
    graphButton->setToolTip("Session graph");

    targetsButton = new QPushButton( QIcon(":/icons/devices"), "", this );
    targetsButton->setIconSize( QSize( 24,24 ));
    targetsButton->setFixedSize(37, 28);
    targetsButton->setToolTip("Targets table");

    line_2 = new QFrame(this);
    line_2->setFrameShape(QFrame::VLine);
    line_2->setMinimumHeight(25);

    tasksButton = new QPushButton(QIcon(":/icons/job"), "", this );
    tasksButton->setIconSize(QSize(24, 24 ));
    tasksButton->setFixedSize(37, 28);
    tasksButton->setToolTip("Jobs & Tasks");

    tunnelButton = new QPushButton( QIcon(":/icons/vpn"), "", this );
    tunnelButton->setIconSize( QSize( 24,24 ));
    tunnelButton->setFixedSize(37, 28);
    tunnelButton->setToolTip("Tunnels table");

    line_3 = new QFrame(this);
    line_3->setFrameShape(QFrame::VLine);
    line_3->setMinimumHeight(25);

    downloadsButton = new QPushButton( QIcon(":/icons/downloads"), "", this );
    downloadsButton->setIconSize( QSize( 24,24 ));
    downloadsButton->setFixedSize(37, 28);
    downloadsButton->setToolTip("Downloads");

    credsButton = new QPushButton( QIcon(":/icons/key"), "", this );
    credsButton->setIconSize( QSize( 24,24 ));
    credsButton->setFixedSize(37, 28);
    credsButton->setToolTip("Credentials");

    screensButton = new QPushButton( QIcon(":/icons/picture"), "", this );
    screensButton->setIconSize( QSize( 24,24 ));
    screensButton->setFixedSize(37, 28);
    screensButton->setToolTip("Screens");

    keysButton = new QPushButton( QIcon(":/icons/keyboard"), "", this );
    keysButton->setIconSize( QSize( 24,24 ));
    keysButton->setFixedSize(37, 28);
    keysButton->setToolTip("Keystrokes");

    line_4 = new QFrame(this);
    line_4->setFrameShape(QFrame::VLine);
    line_4->setMinimumHeight(25);

    reconnectButton = new QPushButton(QIcon(":/icons/link"), "");
    reconnectButton->setIconSize( QSize( 24,24 ));
    reconnectButton->setFixedSize(37, 28);
    reconnectButton->setToolTip("Reconnect to C2");
    QIcon onReconnectButton = RecolorIcon(reconnectButton->icon(), COLOR_NeonGreen);
    reconnectButton->setIcon(onReconnectButton);

    horizontalSpacer1 = new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Minimum);

    topHLayout = new QHBoxLayout();
    topHLayout->setContentsMargins(5, 5, 0, 5);
    topHLayout->setSpacing(10);
    topHLayout->setAlignment(Qt::AlignLeft);

    topHLayout->addWidget(listenersButton);
    topHLayout->addWidget(logsButton);
    topHLayout->addWidget(line_1);
    topHLayout->addWidget(sessionsButton);
    topHLayout->addWidget(graphButton);
    topHLayout->addWidget(targetsButton);
    topHLayout->addWidget(line_2);
    topHLayout->addWidget(tasksButton);
    topHLayout->addWidget(line_3);
    topHLayout->addWidget(tunnelButton);
    topHLayout->addWidget(downloadsButton);
    topHLayout->addWidget(credsButton);
    topHLayout->addWidget(screensButton);
    topHLayout->addWidget(keysButton);
    topHLayout->addWidget(line_4);
    topHLayout->addWidget(reconnectButton);
    topHLayout->addItem(horizontalSpacer1);

    mainStackedWidget = new QStackedWidget(this);

    mainTabWidget = new QTabWidget(this);
    mainTabWidget->setCurrentIndex( 0 );
    mainTabWidget->setMovable( false );
    mainTabWidget->setTabsClosable( true );

    mainVSplitter = new QSplitter(Qt::Vertical, this);
    mainVSplitter->setContentsMargins(0, 0, 0, 0);
    mainVSplitter->setHandleWidth(3);
    mainVSplitter->setVisible(true);
    mainVSplitter->addWidget(mainStackedWidget);
    mainVSplitter->addWidget(mainTabWidget);
    mainVSplitter->setSizes(QList<int>({200, 200}));

    mainGridLayout = new QGridLayout(this );
    mainGridLayout->setContentsMargins(0, 0, 0, 0);
    mainGridLayout->setVerticalSpacing(0);
    mainGridLayout->addLayout(topHLayout, 0, 0, 1, 1);
    mainGridLayout->addWidget(mainVSplitter, 1, 0, 1, 1);

    this->setLayout(mainGridLayout);
}

AuthProfile* AdaptixWidget::GetProfile()
{
    return this->profile;
}

void AdaptixWidget::ClearAdaptix()
{
    LogsTab->Clear();
    DownloadsTab->Clear();
    TasksTab->Clear();
    ListenersTab->Clear();
    SessionsTablePage->Clear();
    TunnelsTab->Clear();

    LinkListenerAgent.clear();

    for (auto agentType : RegisterAgentsCmd.keys()){
        Commander* commander = RegisterAgentsCmd[agentType];
        RegisterAgentsCmd.remove(agentType);
        delete commander;
    }

    for (auto agentType : RegisterAgentsUI.keys()){
        WidgetBuilder* builder = RegisterAgentsUI[agentType];
        RegisterAgentsUI.remove(agentType);
        delete builder;
    }

    for (auto listenerName : RegisterListenersUI.keys()){
        WidgetBuilder* builder = RegisterListenersUI[listenerName];
        RegisterListenersUI.remove(listenerName);
        delete builder;
    }
}

void AdaptixWidget::Close()
{
    TickThread->quit();
    TickThread->wait();
    delete TickThread;

    ChannelThread->quit();
    ChannelThread->wait();
    delete ChannelThread;

    ChannelWsWorker->webSocket->close();

    this->ClearAdaptix();
}



void AdaptixWidget::AddTab(QWidget *tab, QString title, QString icon)
{
    if ( mainTabWidget->count() == 0 )
        mainVSplitter->setSizes(QList<int>() << 100 << 200);
    else if ( mainTabWidget->count() == 1 )
        mainTabWidget->setMovable(true);

    int id = mainTabWidget->addTab( tab, title );

    mainTabWidget->setIconSize( QSize( 17, 17 ) );
    mainTabWidget->setTabIcon(id, QIcon(icon));
    mainTabWidget->setCurrentIndex( id );
}

void AdaptixWidget::RemoveTab(int index)
{
    if (index == -1)
        return;

    mainTabWidget->removeTab(index);

    if (mainTabWidget->count() == 0)
        mainVSplitter->setSizes(QList<int>() << 0);
    else if (mainTabWidget->count() == 1)
        mainTabWidget->setMovable(false);
}

void AdaptixWidget::AddExtension(ExtensionFile ext)
{
    if( Extensions.contains(ext.FilePath) )
        return;

    Extensions[ext.FilePath] = ext;

    if( !synchronized )
        return;

    for (QString agentName : ext.ExCommands.keys()) {
        if ( RegisterAgentsCmd.contains(agentName) ) {
            Commander* commander = RegisterAgentsCmd[agentName];
            bool result = commander->AddExtCommands(ext.FilePath, ext.Name, ext.ExCommands[agentName]);
            if (result) {
                for( auto agent : Agents ){
                    if( agent && agent->Console )
                        agent->Console->UpgradeCompleter();
                }
            }
        }
    }
}

void AdaptixWidget::RemoveExtension(ExtensionFile ext)
{
    Extensions.remove(ext.FilePath);

    for (QString agentName : ext.ExCommands.keys()) {
        if ( RegisterAgentsCmd.contains(agentName) ) {
            Commander* commander = RegisterAgentsCmd[agentName];
            commander->RemoveExtCommands(ext.FilePath);
            for( auto agent : Agents ){
                if( agent && agent->Console )
                    agent->Console->UpgradeCompleter();
            }
        }
    }
}



/// SLOTS

void AdaptixWidget::OnSynced()
{
    synchronized = true;

    for (auto ext : Extensions) {
        for (QString agentName : ext.ExCommands.keys()) {
            if ( RegisterAgentsCmd.contains(agentName) ) {
                Commander* commander = RegisterAgentsCmd[agentName];
                bool result = commander->AddExtCommands(ext.FilePath, ext.Name, ext.ExCommands[agentName]);
                if (result) {
                    for( auto agent : Agents ){
                        if( agent && agent->Console )
                            agent->Console->UpgradeCompleter();
                    }
                }
            }
        }
    }
}

void AdaptixWidget::SetSessionsTableUI()
{
    mainStackedWidget->setCurrentIndex(0);
    int index = mainTabWidget->indexOf(TasksTab->taskOutputConsole);
    if (index < 0)
        return;

    mainTabWidget->removeTab(index);
}

void AdaptixWidget::SetTasksUI()
{
    mainStackedWidget->setCurrentIndex(1);
    this->AddTab(TasksTab->taskOutputConsole, "Task Output", ":/icons/job");
}

void AdaptixWidget::LoadLogsUI()
{
    this->AddTab(LogsTab, "Logs", ":/icons/logs");
}

void AdaptixWidget::LoadListenersUI()
{
    this->AddTab(ListenersTab, "Listeners", ":/icons/listeners");
}

void AdaptixWidget::LoadTunnelsUI()
{
    this->AddTab(TunnelsTab, "Tunnels", ":/icons/vpn");
}

void AdaptixWidget::LoadDownloadsUI()
{
    this->AddTab(DownloadsTab, "Downloads", ":/icons/downloads");
}

void AdaptixWidget::LoadTasksOutput()
{
    this->AddTab(TasksTab->taskOutputConsole, "Task Output", ":/icons/job");
}

void AdaptixWidget::OnReconnect() {

    if (ChannelThread->isRunning()) {
        bool result = HttpReqJwtUpdate(profile);
        if (!result) {
            MessageError("Login failure");
            return;
        }
    }
    else {
        bool result = HttpReqLogin(profile);
        if (!result) {
            MessageError("Login failure");
            return;
        }

        this->ClearAdaptix();

        ChannelThread->start();

        QIcon onReconnectButton = RecolorIcon(QIcon(":/icons/link"), COLOR_NeonGreen);
        reconnectButton->setIcon(onReconnectButton);
    }
}

void AdaptixWidget::LoadConsoleUI(QString AgentId)
{
    if( !Agents.contains(AgentId) )
        return;

    auto text = QString("Console [%1]").arg( AgentId );
    this->AddTab(Agents[AgentId]->Console, text);
    Agents[AgentId]->Console->InputFocus();
}

void AdaptixWidget::LoadFileBrowserUI(QString AgentId)
{
    if( !Agents.contains(AgentId) )
        return;

    auto text = QString("Files [%1]").arg( AgentId );
    this->AddTab(Agents[AgentId]->FileBrowser, text);
}

void AdaptixWidget::LoadProcessBrowserUI(QString AgentId)
{
    if( !Agents.contains(AgentId) )
        return;

    auto text = QString("Processes [%1]").arg( AgentId );
    this->AddTab(Agents[AgentId]->ProcessBrowser, text);
}

void AdaptixWidget::ChannelClose()
{
    QIcon onReconnectButton = RecolorIcon(QIcon(":/icons/unlink"), COLOR_ChiliPepper);
    reconnectButton->setIcon(onReconnectButton);
    ChannelThread->quit();
}

void AdaptixWidget::DataHandler(const QByteArray &data)
{
    QJsonParseError parseError;
    QJsonDocument jsonDoc = QJsonDocument::fromJson(data, &parseError);

    if ( parseError.error != QJsonParseError::NoError || !jsonDoc.isObject() ) {
        LogError("Error parsing JSON data: %s", parseError.errorString().toStdString().c_str());
        return;
    }

    QJsonObject jsonObj = jsonDoc.object();
    if( !this->isValidSyncPacket(jsonObj) ) {
        LogError("Invalid SyncPacket");
        return;
    }

    this->processSyncPacket(jsonObj);
}