#ifndef ENGINE_EVENTS_H
#define ENGINE_EVENTS_H

enum keys_name {
	KEY_UNKNOWN = -1,
	KEY_SPACE,
	KEY_APOSTROPHE,
	KEY_COMMA,
	KEY_MINUS,
	KEY_PERIOD,
	KEY_SLASH,
	KEY_0,
	KEY_1,
	KEY_2,
	KEY_3,
	KEY_4,
	KEY_5,
	KEY_6,
	KEY_7,
	KEY_8,
	KEY_9,
	KEY_KEY_SEMICOLON,
	KEY_EQUAL,
	KEY_A,
	KEY_B,
	KEY_C,
	KEY_D,
	KEY_E,
	KEY_F,
	KEY_G,
	KEY_H,
	KEY_I,
	KEY_J,
	KEY_K,
	KEY_L,
	KEY_M,
	KEY_N,
	KEY_O,
	KEY_P,
	KEY_Q,
	KEY_R,
	KEY_S,
	KEY_T,
	KEY_U,
	KEY_V,
	KEY_W,
	KEY_X,
	KEY_Y,
	KEY_Z,
	KEY_LEFT_BRACKET,
	KEY_BACKSLASH,
	KEY_RIGHT_BRACKET,
	KEY_GRAVE_ACCENT,
	KEY_WORLD_1,
	KEY_WORLD_2,
	KEY_ESCAPE,
	KEY_ENTER,
	KEY_TAB,
	KEY_BACKSPACE,
	KEY_INSERT,
	KEY_DELETE,
	KEY_RIGHT,
	KEY_LEFT,
	KEY_DOWN,
	KEY_UP,
	KEY_PAGE_UP,
	KEY_PAGE_DOWN,
	KEY_HOME,
	KEY_END,
	KEY_CAPS_LOCK,
	KEY_SCROLL_LOCK,
	KEY_NUM_LOCK,
	KEY_PRINT_SCREEN,
	KEY_PAUSE,
	KEY_F1,
	KEY_F2,
	KEY_F3,
	KEY_F4,
	KEY_F5,
	KEY_F6,
	KEY_F7,
	KEY_F8,
	KEY_F9,
	KEY_F10,
	KEY_F11,
	KEY_F12,
	KEY_F13,
	KEY_F14,
	KEY_F15,
	KEY_F16,
	KEY_F17,
	KEY_F18,
	KEY_F19,
	KEY_F20,
	KEY_F21,
	KEY_F22,
	KEY_F23,
	KEY_F24,
	KEY_F25,
	KEY_KP_0,
	KEY_KP_1,
	KEY_KP_2,
	KEY_KP_3,
	KEY_KP_4,
	KEY_KP_5,
	KEY_KP_6,
	KEY_KP_7,
	KEY_KP_8,
	KEY_KP_9,
	KEY_KP_DECIMAL,
	KEY_KP_DIVIDE,
	KEY_KP_MULTIPLY,
	KEY_KP_SUBTRACT,
	KEY_KP_ADD,
	KEY_KP_ENTER,
	KEY_KP_EQUAL,
	KEY_LEFT_SHIFT,
	KEY_LEFT_CONTROL,
	KEY_LEFT_ALT,
	KEY_LEFT_SUPER,
	KEY_RIGHT_SHIFT,
	KEY_RIGHT_CONTROL,
	KEY_RIGHT_ALT,
	KEY_RIGHT_SUPER,
	KEY_MENU,
	KEY_LAST = KEY_MENU
};

#define MAX_KEYS KEY_LAST + 1 + GLFW_MOUSE_BUTTON_LAST + 1
#define MOUSE_BUTTONS KEY_LAST + 1 /* when start mouse buttons */

class Window;

class Events {
	Window *master;
	bool *keys;
	unsigned int *frames;
	unsigned int cur_frame;
	bool update_frame;
	double delta_x;
	double delta_y;
	double x;
	double y;
	double scroll_dx;
	double scroll_dy;
	bool cursor_locked;
	
public:
	Events(Window *w);
	~Events();
	Window *GetWindow() { return master; }
	double GetDX() { return delta_x; }
	double GetDY() { return delta_y; }
	double GetScrollDX() { return scroll_dx; }
	double GetScrollDY() { return scroll_dy; }

	bool Pressed(int keycode);
	bool Jpressed(int keycode);
	bool Clicked(int button);
	bool Jclicked(int button);

	void NextFrame();
	void KeyHandle(int key, int scancode, int action, int mode);
	void CursorPosHandle(double xpos, double ypos);
	void MouseButtonHandle(int button, int action, int mode);
	void WindowResizeHandle(int width, int height);
	void MouseScrollHandle(double xoffset, double yoffset);
};

#endif /* ENGINE_EVENTS_H */