#include "qw_changelocationevent.h"
#include "../qw_location.h"
#include "../qw_trigger.h"

QWChangeLocationEvent::QWChangeLocationEvent(const std::shared_ptr<QWLocation> &location) :
    target_location(location)
{
    Q_ASSERT(target_location);
}

void QWChangeLocationEvent::execute()
{
    const QList<std::shared_ptr<QWTrigger>> &triggers = target_location->triggers();

    // We clear all the triggers from previous location
    ptr_scene->clearLocation();
    ptr_scene->setCurrentLocation(target_location);

    if (const auto & tr = target_location->firstVisitTrigger(); tr && !target_location->discovered())
        tr->activate();

    target_location->setDiscovered(true);

    int z = 0;

    // The first item will be below the others. The last item - above.
    // Triggers[0] must be background.
    for (auto &trigger : triggers)
    {
        trigger->setZValue(-1 * ++z);
        ptr_scene->addItem(trigger.get());
    }
}

////////////////////////

void QWChangeLocationEvent::setLocation(const std::shared_ptr<QWLocation> &location) noexcept
{
    target_location = location;
}

////////////////////////

void QWChangeLocationEvent::writeToJson(QJsonObject &event_data)
{
    event_data.insert("id", tag());
    event_data.insert("type", EVENT_TYPE::CHANGE_LOCATION);
    event_data.insert("location", target_location->tag());

    qDebug() << "  The move_to_location event:\n" << "  id " << tag()
             << "\n  location :" << target_location->tag();
}