#include <Agent/Agent.h>
#include <UI/Graph/GraphScene.h>
#include <UI/Graph/GraphItem.h>
#include <UI/Widgets/AdaptixWidget.h>
#include <UI/Widgets/TasksWidget.h>
#include <UI/Widgets/ConsoleWidget.h>
#include <Client/Requestor.h>
#include <Client/AuthProfile.h>
#include <Client/AxScript/AxScriptManager.h>
#include <UI/Dialogs/DialogAgentData.h>
#include <UI/Graph/SessionsGraph.h>


GraphScene::GraphScene(const int gridSize, QWidget* m, QObject* parent) : QGraphicsScene(parent)
{
    this->mainWidget = m;
    this->gridSize = gridSize;
    this->setBackgroundBrush(QBrush(COLOR_Black));
}

GraphScene::~GraphScene() = default;

void GraphScene::mouseMoveEvent( QGraphicsSceneMouseEvent* event )
{
    QGraphicsScene::mouseMoveEvent( event );

    if ( auto item = this->mouseGrabberItem() ) {
         QPointF point = item->pos();

        double x = round( point.x() / this->gridSize ) * this->gridSize;
        double y = round( point.y() / this->gridSize ) * this->gridSize;

        item->setPos(x, y);
    }
}

void GraphScene::contextMenuEvent( QGraphicsSceneContextMenuEvent *event )
{
    auto adaptixWidget = qobject_cast<AdaptixWidget*>( mainWidget );
    if (!adaptixWidget)
        return;

    auto graphics_items = selectedItems();
    if(graphics_items.empty()) {
        if( (graphics_items = items(event->scenePos())).empty() ) {
            auto* sessionsGraph = qobject_cast<SessionsGraph*>(parent());
            if (!sessionsGraph)
                return QGraphicsScene::contextMenuEvent( event );

            auto layoutMenu = QMenu("Layout");
            auto* actionLeftToRight = layoutMenu.addAction("Left to Right");
            auto* actionTopToBottom = layoutMenu.addAction("Top to Bottom");

            actionLeftToRight->setCheckable(true);
            actionTopToBottom->setCheckable(true);
            actionLeftToRight->setChecked(sessionsGraph->GetLayoutDirection() == LayoutLeftToRight);
            actionTopToBottom->setChecked(sessionsGraph->GetLayoutDirection() == LayoutTopToBottom);

            auto ctxMenu = QMenu();
            ctxMenu.addMenu(&layoutMenu);

            const auto action = ctxMenu.exec(event->screenPos());
            if (action == actionLeftToRight) {
                sessionsGraph->SetLayoutDirection(LayoutLeftToRight);
            } else if (action == actionTopToBottom) {
                sessionsGraph->SetLayoutDirection(LayoutTopToBottom);
            }
            return;
        }
    }

    QStringList agentIds;
    for ( const auto& _graphics_item : graphics_items ) {
        const auto item = dynamic_cast<GraphItem*>( _graphics_item );
        if ( item && item->agent )
            agentIds.append(item->agent->data.Id);
    }
    if (agentIds.size() == 0)
        return;


    QMenu ctxMenu;

    auto agentMenu = ctxMenu.addMenu("Agent");
    agentMenu->addAction("Execute command", this, [graphics_items]() {
        bool ok = false;
        QString cmd = QInputDialog::getText(nullptr, "Execute Command", "Command", QLineEdit::Normal, "", &ok);
        if (!ok)
            return;
        const auto item = dynamic_cast<GraphItem*>(graphics_items[0]);
        if (item && item->agent) {
            item->agent->Console->SetInput(cmd);
            item->agent->Console->processInput();
        }
    });
    agentMenu->addAction("Task manager", this, [adaptixWidget, agentIds]() {
        for (const QString& agentId : agentIds) {
            adaptixWidget->TasksDock->SetAgentFilter(agentId);
            adaptixWidget->SetTasksUI();
        }
    });
    agentMenu->addSeparator();

    int agentCount = adaptixWidget->ScriptManager->AddMenuSession(agentMenu, "SessionAgent", agentIds);
    if (agentCount > 0)
        agentMenu->addSeparator();

    agentMenu->addAction("Remove console data", this, [adaptixWidget, agentIds]() {
        QMessageBox::StandardButton reply = QMessageBox::question(nullptr, "Clear Confirmation",
                                          "Are you sure you want to delete all agent console data and history from server (tasks will not be deleted from TaskManager)?\n\n"
                                          "If you want to temporarily hide the contents of the agent console, do so through the agent console menu.",
                                          QMessageBox::Yes | QMessageBox::No,
                                          QMessageBox::No);
        if (reply != QMessageBox::Yes)
            return;

        for (const auto& id : agentIds)
            adaptixWidget->AgentsMap[id]->Console->Clear();

        HttpReqConsoleRemoveAsync(agentIds, *(adaptixWidget->GetProfile()), [](bool success, const QString& message, const QJsonObject&) {
            if (!success)
                MessageError(message.isEmpty() ? "Response timeout" : message);
        });
    });
    agentMenu->addAction("Remove from server", this, [adaptixWidget, agentIds]() {
        QMessageBox::StandardButton reply = QMessageBox::question(nullptr, "Delete Confirmation",
                                          "Are you sure you want to delete all information about the selected agents from the server?\n\n"
                                          "If you want to hide the record, simply choose: 'Item -> Hide on Client'.",
                                          QMessageBox::Yes | QMessageBox::No,
                                          QMessageBox::No);
        if (reply != QMessageBox::Yes)
            return;

        HttpReqAgentRemoveAsync(agentIds, *(adaptixWidget->GetProfile()), [](bool success, const QString& message, const QJsonObject&) {
            if (!success)
                MessageError(message.isEmpty() ? "Response timeout" : message);
        });
    });

    auto sessionMenu = ctxMenu.addMenu("Session");
    sessionMenu->addAction("Mark as Active", this, [adaptixWidget, agentIds]() {
        HttpReqAgentSetMarkAsync(agentIds, "", *(adaptixWidget->GetProfile()), [](bool success, const QString& message, const QJsonObject&) {
            if (!success)
                MessageError(message.isEmpty() ? "Response timeout" : message);
        });
    });
    sessionMenu->addAction("Mark as Inactive", this, [adaptixWidget, agentIds]() {
        HttpReqAgentSetMarkAsync(agentIds, "Inactive", *(adaptixWidget->GetProfile()), [](bool success, const QString& message, const QJsonObject&) {
            if (!success)
                MessageError(message.isEmpty() ? "Response timeout" : message);
        });
    });
    sessionMenu->addSeparator();
    sessionMenu->addAction("Set tag", this, [adaptixWidget, agentIds]() {
        bool inputOk;
        QString newTag = QInputDialog::getText(nullptr, "Set tags", "New tag", QLineEdit::Normal, "", &inputOk);
        if (inputOk) {
            HttpReqAgentSetTagAsync(agentIds, newTag, *(adaptixWidget->GetProfile()), [](bool success, const QString& message, const QJsonObject&) {
                if (!success)
                    MessageError(message.isEmpty() ? "Response timeout" : message);
            });
        }
    });
    if (agentIds.size() == 1) {
        sessionMenu->addAction("Set data", this, [adaptixWidget, agentIds]() {
            QString agentId = agentIds.first();
            if (!adaptixWidget->AgentsMap.contains(agentId))
                return;

            Agent* agent = adaptixWidget->AgentsMap[agentId];

            auto* dialog = new DialogAgentData();
            dialog->SetProfile(*(adaptixWidget->GetProfile()));
            dialog->SetAgentData(agent->data);
            dialog->Start();
        });
    }

    ctxMenu.addAction("Console", this, [adaptixWidget, agentIds]() {
        for (const QString& agentId : agentIds) {
            adaptixWidget->LoadConsoleUI(agentId);
        }
    });
    ctxMenu.addSeparator();
    ctxMenu.addMenu(agentMenu);

    auto browserMenu = ctxMenu.addMenu("Browsers");
    int browserCount = adaptixWidget->ScriptManager->AddMenuSession(browserMenu, "SessionBrowser", agentIds);
    if (browserCount > 0)
        ctxMenu.addMenu(browserMenu);
    else
        ctxMenu.removeAction(browserMenu->menuAction());

    auto accessMenu = ctxMenu.addMenu("Access");
    int accessCount = adaptixWidget->ScriptManager->AddMenuSession(accessMenu, "SessionAccess", agentIds);
    if (accessCount > 0)
        ctxMenu.addMenu(accessMenu);
    else
        ctxMenu.removeAction(accessMenu->menuAction());

    adaptixWidget->ScriptManager->AddMenuSession(&ctxMenu, "SessionMain", agentIds);

    ctxMenu.addSeparator();
    ctxMenu.addMenu(sessionMenu);

    ctxMenu.exec(event->screenPos());
}