/* This file is subject to the terms and conditions defined in
 * file 'LICENSE.txt', which is part of this source code package.
 */
#pragma once

#include <vector>

#include "../MenuNotifierInterface.h"
#include "../ViewInfo.h"
#include "../Animate/Tween.h"
#include "../../Collection/Item.h"

class Component
{
public:
    Component();
    virtual ~Component();
    virtual void FreeGraphicsMemory();
    virtual void AllocateGraphicsMemory();
    virtual void LaunchEnter() {}
    virtual void LaunchExit() {}
    void TriggerEnterEvent();
    void TriggerExitEvent();
    void TriggerHighlightEvent(Item *selectedItem);
    bool IsIdle();
    bool IsHidden();
    bool IsWaiting();
    typedef std::vector<std::vector<Tween *> *> TweenSets;

    void SetOnEnterTweens(TweenSets *tweens)
    {
        this->OnEnterTweens = tweens;
    }

    void SetOnExitTweens(TweenSets *tweens)
    {
        this->OnExitTweens = tweens;
    }

    void SetOnIdleTweens(TweenSets *tweens)
    {
        this->OnIdleTweens = tweens;
    }

    void SetOnHighlightEnterTweens(TweenSets *tweens)
    {
        this->OnHighlightEnterTweens = tweens;
    }

    void SetOnHighlightExitTweens(TweenSets *tweens)
    {
        this->OnHighlightExitTweens = tweens;
    }
    virtual void Update(float dt);

    virtual void Draw() = 0;

    ViewInfo *GetBaseViewInfo()
    {
        return &BaseViewInfo;
    }
    void UpdateBaseViewInfo(ViewInfo &info)
    {
        BaseViewInfo = info;
    }

    bool IsScrollActive() const
    {
        return ScrollActive;
    }

    void SetScrollActive(bool scrollActive)
    {
        ScrollActive = scrollActive;
    }



protected:
    Item *GetSelectedItem()
    {
        return SelectedItem;
    }
    enum AnimationState
    {
        IDLE,
        ENTER,
        HIGHLIGHT_EXIT,
        HIGHLIGHT_WAIT,
        HIGHLIGHT_ENTER,
        EXIT,
        HIDDEN
    };

    AnimationState CurrentAnimationState;
    bool EnterRequested;
    bool ExitRequested;
    bool NewItemSelected;
    bool HighlightExitComplete;
    bool NewItemSelectedSinceEnter;
private:
    bool Animate(bool loop);
    bool IsTweenSequencingComplete();
    void ResetTweenSequence(std::vector<ViewInfo *> *tweens);

    TweenSets *OnEnterTweens;
    TweenSets *OnExitTweens;
    TweenSets *OnIdleTweens;
    TweenSets *OnHighlightEnterTweens;
    TweenSets *OnHighlightExitTweens;

    TweenSets *CurrentTweens;
    unsigned int CurrentTweenIndex;

    bool CurrentTweenComplete;
    ViewInfo BaseViewInfo;

    float ElapsedTweenTime;
    Tween *TweenInst;
    Item *SelectedItem;
    bool ScrollActive;
};