#include "models/dialogues/qw_textdialogue.h"
#include "qw_textdialoguemanager.h"

QWTextDialogueManager::QWTextDialogueManager(QWScene *scene) :
    QWAbstractDialogueManager(scene),
    p_frametext(new QGraphicsSimpleTextItem)
{
    p_frametext->setFont(QFont("Arial", 25));
    p_frametext->setBrush(QBrush(Qt::white));
    p_frametext->setPos(12, 12);
    scene->addItem(p_frametext);
}

QWTextDialogueManager::~QWTextDialogueManager()
{
    delete p_frametext;
}

void QWTextDialogueManager::activateDialogue(const std::shared_ptr<QWAbstractGameDialogue> &dialogue)
{
    /* Moving to text dialogue state.
     * Make the panel with text visible.
     * Game freezes until when player reads all
     *   the frames. */

    ptr_text_dialogue = std::dynamic_pointer_cast<QWTextDialogue>(dialogue);

    connect(ptr_scene, SIGNAL(signalClickDialogue(MouseButton)), this, SLOT(onClicked(MouseButton)));

    emit onEntryDialogueTransition();

    p_frametext->show();

    // Show the first page of active dialogue.
    p_frametext->setText(ptr_text_dialogue->currentText());
}

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

void QWTextDialogueManager::setDialoguePanel(const std::shared_ptr<QGraphicsWidget> &panel) noexcept
{
    p_textbox = panel;
}

void QWTextDialogueManager::onClicked(MouseButton mouse_button)
{
    const bool has_next_pages = ptr_text_dialogue->toNextPage();

    if (!has_next_pages || mouse_button == MouseButton::RIGHT) {
        p_frametext->hide();
        ptr_text_dialogue->resetPage();
        ptr_text_dialogue->onExit(static_cast<int>(mouse_button));

        disconnect(ptr_scene, SIGNAL(signalClickDialogue(MouseButton)), this, SLOT(onClicked(MouseButton)));

        emit onLeaveDialogueTransition();

    } else
        p_frametext->setText(ptr_text_dialogue->currentText());
}