/* 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 "MenuNotifierInterface.h"

#include <vector>
#include <string>

class Component;
class ScrollingList;
class Item;
class Sound;

class Page : public MenuNotifierInterface
{
public:
    enum ScrollDirection
    {
        ScrollDirectionForward,
        ScrollDirectionBack,
        ScrollDirectionIdle

    };

    Page(std::string collectionName);
    virtual ~Page();
    virtual void OnNewItemSelected(Item *);
    void SetItems(std::vector<Item *> *items);
    void SetMenu(ScrollingList *s);
    void SetLoadSound(Sound *chunk)
    {
        LoadSoundChunk = chunk;
    }
    void SetUnloadSound(Sound *chunk)
    {
        UnloadSoundChunk = chunk;
    }
    void SetHighlightSound(Sound *chunk)
    {
        HighlightSoundChunk = chunk;
    }
    void SetSelectSound(Sound *chunk)
    {
        SelectSoundChunk = chunk;
    }
    bool AddComponent(Component *c);
    void PageScroll(ScrollDirection direction);
    void Start();
    void Stop();
    void SetScrolling(ScrollDirection direction);
    Item *GetSelectedItem();
    Item *GetPendingSelectedItem();
    void RemoveSelectedItem();
    bool IsIdle();
    bool IsHidden();
    void Update(float dt);
    void Draw();
    void FreeGraphicsMemory();
    void AllocateGraphicsMemory();
    void LaunchEnter();
    void LaunchExit();
    const std::string& GetCollectionName() const;

private:
    void Highlight();
    std::string CollectionName;
    ScrollingList *Menu;
    static const unsigned int NUM_LAYERS = 8;
    std::vector<Component *> LayerComponents[NUM_LAYERS];
    std::vector<Item *> *Items;
    bool ScrollActive;
    Item *SelectedItem;
    bool SelectedItemChanged;
    Sound *LoadSoundChunk;
    Sound *UnloadSoundChunk;
    Sound *HighlightSoundChunk;
    Sound *SelectSoundChunk;
    bool HasSoundedWhenActive;
    bool FirstSoundPlayed;

};