#include "actor.h"
#include "animationmanager.h"
#include <QtCore/QPropertyAnimation>
#include <QtCore/QSequentialAnimationGroup>
#include <QtCore/QParallelAnimationGroup>
#include <QtCore/QVariantAnimation>
#include <QDebug>

#define SPRITE_MARGIN 2
#define SPRITE_PLAYER_WIDTH 16
#define SPRITE_PLAYER_HEIGHT 16

static QVariant myBooleanInterpolator(const bool &start, const bool &end, qreal progress)
{
  return (progress == 1.0) ? end : start;
}

Actor::Actor(Type type)
  : m_type(type), m_direction(Actor::None)
{
  m_pix  = ":/" + QString("actor%1").arg(type);
  setPixmap(m_pix);
  setSprite(82, 82, SPRITE_PLAYER_WIDTH, SPRITE_PLAYER_HEIGHT);

  m_direction = Actor::Left;

  qRegisterAnimationInterpolator<bool>(myBooleanInterpolator);

  QSequentialAnimationGroup *eating = new QSequentialAnimationGroup(this);
  QParallelAnimationGroup *moving = new QParallelAnimationGroup(this);
  eating->setLoopCount(-1);

  for (int i = 0; i < 4; i++)
  {
    PixmapItem *img = new PixmapItem(m_pix, this);
    int x = i * 20 + SPRITE_MARGIN;
    int y = m_direction * 20 + SPRITE_MARGIN;
    img->setSprite(x, y, SPRITE_PLAYER_WIDTH, SPRITE_PLAYER_HEIGHT);
    img->setVisible(false);
    img->setPos(QPointF(200, 0));

    QPropertyAnimation *fadein = new QPropertyAnimation(img, "visible", eating);
    fadein->setDuration(0);
    fadein->setEndValue(true);

    eating->addPause(100);

    QPropertyAnimation *fadeout = new QPropertyAnimation(img, "visible", eating);
    fadeout->setDuration(0);
    fadeout->setEndValue(false);

    QPropertyAnimation *move = new QPropertyAnimation(img, "pos", moving);
    move->setDuration(10000);
    move->setEndValue(QPointF(0, 0));
  }

  AnimationManager::self()->registerAnimation(eating);
  eating->start();
  moving->start();
}