#ifndef ENGINE_H__
#define ENGINE_H__

#include <algorithm>
#include <cmath>
#include "../SQCSim-common/array2d.h"
#include "../SQCSim-common/blockinfo.h"
#include "../SQCSim-common/bullet.h"
#include "../SQCSim-common/chunk.h"
#include "../SQCSim-common/world.h"
#include "../SQCSim-common/transformation.h"
#include "../SQCSim-common/player.h"
#include "define.h"
#include "openglcontext.h"
#include "texture.h"
#include "shader.h"
#include "skybox.h"
#include "audio.h"
#include "textureatlas.h"
#include "connector.h"
#include "worldrenderer.h"

class Engine : public OpenglContext {
public:
    Engine();
    virtual ~Engine();
    virtual void DrawMenu();
    virtual void DrawPause();
    virtual void Init();
    virtual void DeInit();
    virtual void LoadResource();
    virtual void UnloadResource();
    virtual void Render(float elapsedTime);
    virtual void KeyPressEvent(unsigned char key);
    virtual void KeyReleaseEvent(unsigned char key);
    virtual void MouseMoveEvent(int x, int y);
    virtual void MousePressEvent(const MOUSE_BUTTON &button, int x, int y);
    virtual void MouseReleaseEvent(const MOUSE_BUTTON &button, int x, int y);

private:
    float GetScale() const;

    int GetFps(float elapsedTime) const;
    int GetCountdown(float elapsedTime);

    bool LoadTexture(Texture& texture, const std::string& filename, bool useMipmaps = true, bool stopOnError = true);

    void SystemNotification(std::string systemLog);
    void KillNotification(Player killer, Player killed);
    void DisplayNotification(std::string message);
    void ProcessNotificationQueue();
    void DisplayCrosshair();
    void DisplayCurrentItem();
    void DisplayHud(int timer);
    void DisplayInfo(float elapsedTime, BlockType bloc);
    void DrawHud(float elapsedTime, BlockType bloc);
    void PrintText(float x, float y, float scale, const std::string& t);

    Connector m_conn;
    Shader m_shader01;
    BlockInfo* m_blockinfo[BTYPE_LAST];
    TextureAtlas m_textureAtlas = TextureAtlas(BTYPE_LAST);

    World m_world = World();
    WorldRenderer m_wrenderer = WorldRenderer();

    Texture m_textureSkybox;
    Texture m_textureFont;
    Texture m_textureCrosshair;
    Texture m_textureGun;

    Skybox m_skybox;
    Audio m_audio = Audio(AUDIO_PATH "start.wav");

    irrklang::ISound* m_powpow,
        * m_scream;
    irrklang::ISound *m_whoosh[MAX_BULLETS];

    Player m_player = Player(Vector3f(.5f, CHUNK_SIZE_Y + 1.8f, .5f));
    
    Bullet* m_bullets[MAX_BULLETS];

    //Menu
    enum class GameState { MAIN_MENU, OPTIONS, QUIT, NEWG, PLAY, PAUSE };
    GameState m_gamestate = GameState::MAIN_MENU;
    Texture MenuTitleTexture;
    Texture MenuBGTexture;
    Texture MenuStartTexture;
    Texture MenuQuitTexture;
    Texture MenuOptionsTexture;

    float m_scale;
    float m_time = 0;

    int m_renderCount = 0;
    int m_countdown = COUNTDOWN;

    bool m_wireframe = false;
    bool m_isSkybox = true;
    bool m_block = false;
    bool m_flash = true;
    bool m_displayCrosshair = true;
    bool m_displayHud = true;
    bool m_displayInfo = false;
    bool m_resetcountdown = false;
    bool m_stopcountdown = false;
    
    bool m_keyK = false;
    bool m_keyL = false;
    bool m_keyW = false;
    bool m_keyA = false;
    bool m_keyS = false;
    bool m_keyD = false;
    bool m_keySpace = false;
    bool m_mouseL = false;
    bool m_mouseR = false;
    bool m_mouseC = false;
    bool m_mouseWU = false;
    bool m_mouseWD = false;
    //Pour trouver ou est la souris
    float m_mousemx = 0;
    float m_mousemy = 0;

    std::string m_messageNotification = "";
};

#endif // ENGINE_H__