#include "component_display.h"
#include "attribute_dialog.h"
#include "name_dialog.h"
#include "mainwindow.h"

#include <QMenu>
#include <QGraphicsSceneContextMenuEvent>
#include <iostream>

namespace display {

void Component::contextMenuEvent(QGraphicsSceneContextMenuEvent *event) {
    QMenu menu;
    menu.addAction("Izmjeni ime", [this](){
        auto dialog = new NameDialog(this->instance.get());
        dialog->exec();
    });
    menu.addSeparator();
    for(int i=0; i<this->instance->attributes.size(); i++) {
        auto* attr = &this->instance->attributes[i];
        bool enabled = attr->attribute.getPopup().has_value();

        auto action = menu.addAction(QString::fromStdString("Izmjeni " + attr->name),
                                     [attr]() {
            if(attr->value.getType() == domain::Value::MEMORY_REFERENCE) {
                auto dialog = new MemoryDialog(attr, MainWindow::getSchema()->componentInstances);
                dialog->exec();
            } else {
                auto dialog = new AttributeDialog(attr);
                dialog->exec();
            }
        });
        action->setEnabled(enabled);
    }
    menu.exec(event->screenPos());
}


void Bus::contextMenuEvent(QGraphicsSceneContextMenuEvent *event) {
    QMenu menu;
    menu.addAction("Izmjeni ime", [this](){
        auto dialog = new NameDialog(this->busInstance.get());
        dialog->exec();
    });
    menu.exec(event->screenPos());
}

    QVariant BusGroup::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value) {
        if (change == ItemPositionChange && scene()) {
            // value is the new position.
            QPointF newPos = value.toPointF();
            busInstance->position.first = newPos.x();
            busInstance->position.second = newPos.y();

            auto view = dynamic_cast<Schema*>(scene()->views()[0]);
            view->updateConnections();
        }
        return QGraphicsItem::itemChange(change, value);
    }


    QVariant ComponentGroup::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value) {
        if (change == ItemPositionChange && scene()) {
            // value is the new position.
            QPointF newPos = value.toPointF();
            componentInstance->position.first = newPos.x();
            componentInstance->position.second = newPos.y();

            auto view = dynamic_cast<Schema*>(scene()->views()[0]);
            view->updateConnections();
        }
        return QGraphicsItem::itemChange(change, value);
    }

    void BusConnection::contextMenuEvent(QGraphicsSceneContextMenuEvent *event) {
        QMenu menu;
        menu.addAction("Ukloni poveznicu", [this](){});
        menu.addSeparator();
        for(int i=0; i<this->connection->attributes.size(); i++) {
            auto* attr = &this->connection->attributes[i];
            bool enabled = attr->attribute.getPopup().has_value();

            auto action = menu.addAction(QString::fromStdString("Izmjeni " + attr->name),
                                         [attr]() {
                                             if(attr->value.getType() == domain::Value::MEMORY_REFERENCE) {
                                                 auto dialog = new MemoryDialog(attr, MainWindow::getSchema()->componentInstances);
                                                 dialog->exec();
                                             } else {
                                                 auto dialog = new AttributeDialog(attr);
                                                 dialog->exec();
                                             }
                                         });
            action->setEnabled(enabled);
        }
        menu.exec(event->screenPos());
    }
} // namespace display