#include "sceneinventorypanel.h"
#include "features/gamefeatures.h"
#include "features/qw_statemachine.h"
#include "qw_globalmetadata.h"

SceneInventoryPanel::SceneInventoryPanel()
{
    metadata.pixmap_path = QWGlobalMetadata::valueBy("InventoryPanel:pixmap_path").toString();

    metadata.on_hid = QRect(QPoint(QWGlobalMetadata::valueBy("InventoryPanel:on_hid:bot_left_x" ).toInt(),   // x1
                                   QWGlobalMetadata::valueBy("InventoryPanel:on_hid:bot_left_y" ).toInt()),  // y1
                            QPoint(QWGlobalMetadata::valueBy("InventoryPanel:on_hid:top_right_x").toInt(),   // x4
                                   QWGlobalMetadata::valueBy("InventoryPanel:on_hid:top_right_y").toInt())); // y4

    metadata.on_shw = QRect(QPoint(QWGlobalMetadata::valueBy("InventoryPanel:on_shw:bot_left_x" ).toInt(),   // x1
                                   QWGlobalMetadata::valueBy("InventoryPanel:on_shw:bot_left_y" ).toInt()),  // y1
                            QPoint(QWGlobalMetadata::valueBy("InventoryPanel:on_shw:top_right_x").toInt(),   // x4
                                   QWGlobalMetadata::valueBy("InventoryPanel:on_shw:top_right_y").toInt())); // y4
                                                                                   /*                   /
                                                                                    *   2-------4      /
                                                                                    *   |       |   <-
                                                                                    *   1-------3
                                                                                    */
    setPixmap(QPixmap(metadata.pixmap_path));
}

void SceneInventoryPanel::onClick()
{
    emit signalOnInventory();
}

void SceneInventoryPanel::onConnect(std::unique_ptr<GameFeatures> &game_features)
{
    game_features->ptr_inventory->setInventoryPanel(shared_from_this());
    QObject::connect(this, //sender
                     SIGNAL(signalOnInventory()),
                     game_features->ptr_inventory, // receiver
                     SLOT(onClicked()));
}

void SceneInventoryPanel::onBuildingStateMachine(QWStateMachine *state_machine, std::unique_ptr<GameFeatures> &game_features)
{
    // Establisihing animation for inventory panel

    QPropertyAnimation *anim = new QPropertyAnimation(shared_from_this().get(), "geometry");
    anim->setDuration(200);
    anim->setEasingCurve(QEasingCurve::InBack);

    QState *state_gameplay = new QState;
    state_machine->registerState("state_gameplay", state_gameplay);
    connect(state_gameplay, SIGNAL(entered()), game_features->ptr_scene, SLOT(onEntryGameplay()));

    QState *state_inventory = new QState;
    state_machine->registerState("state_inventory", state_inventory);
    connect(state_inventory, SIGNAL(entered()), game_features->ptr_scene, SLOT(onEntryInventory()));

    QEventTransition *enter_inventory_transition = new QEventTransition(game_features->ptr_view, QEvent::Wheel);
    enter_inventory_transition->setTargetState(state_inventory);
    enter_inventory_transition->addAnimation(anim);
    state_gameplay->addTransition(enter_inventory_transition);

    QEventTransition *leave_inventory_transition = new QEventTransition(game_features->ptr_view, QEvent::Wheel);
    leave_inventory_transition->setTargetState(state_gameplay);
    leave_inventory_transition->addAnimation(anim);
    state_inventory->addTransition(leave_inventory_transition);

    state_gameplay->assignProperty(this,  "geometry", metadata.on_hid);
    state_inventory->assignProperty(this, "geometry", metadata.on_shw);

    state_machine->addState(state_gameplay);
    state_machine->addState(state_inventory);
}

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

void SceneInventoryPanel::setPixmap(const QPixmap &pix) noexcept
{
    pix_rect = pix;
    Q_ASSERT(!pix_rect.isNull());
}

QPixmap SceneInventoryPanel::pixmap() const noexcept
{
    return pix_rect;
}