#pragma once

#include <SDL_events.h>
#include <functional>
#include "vector.h"
#include "allocator.h"

const U32 MOUSEEV_MOVE = 0x0;
const U32 MOUSEEV_DOWN = 0x1;
const U32 MOUSEEV_UP   = 0x2;

const U32 MOUSE_LEFT   = 0x1;
const U32 MOUSE_RIGHT  = 0x2;
const U32 MOUSE_MIDDLE = 0x3;
const U32 MOUSE_WHEEL  = 0x4;

struct MOUSE_DATA {
  VEC2 pos;
  U8   left;
  U8   right;
  U8   middle;
  U8   wheel;
};

using ON_INPUT_FN = std::function<void( SDL_Event* )>;

struct INPUT_DATA {
  MOUSE_DATA mouse;
  U8         keys[0xff];

  LIST<ON_INPUT_FN> on_input;
};

extern INPUT_DATA input;

extern void input_frame_end();
extern void input_on_event( SDL_Event* e );
extern void input_on_mouse( I32 type, I32 x, I32 y );
extern void input_is_key_down( U32 key );

#define kb_down( key ) input_is_key_down( key )