#pragma once

#include <GLFW/glfw3.h>
#include <threads.h>

#include "voxel.h"

#define WINDOW_WIDTH  640
#define WINDOW_HEIGHT 480
#define WINDOW_TITLE  "Voxel Engine"

typedef struct {
	// screen size
	u32 width;
	u32 height;
	// input
	bool key_down[GLFW_KEY_LAST];
	bool key_pressed[GLFW_KEY_LAST];
	bool btn_down[GLFW_MOUSE_BUTTON_LAST];
	bool btn_pressed[GLFW_MOUSE_BUTTON_LAST];
	// cursor
	double mouse_x;
	double mouse_y;
	double mouse_x_last;
	double moues_y_last;
	// time
	double last_time;
	// glfw
	GLFWwindow *window;
	// sync
	mtx_t lock;
	// flags
	_Atomic bool close;
	_Atomic bool resize;
} Window;

extern Window window;
extern _Atomic double delta_time;

VOXEL_RESULT window_init(void);
VOXEL_RESULT window_init_gl(void);
bool window_closed(void);
void window_update(void);
void window_swap(void);
void window_close(void);
void window_free(void);

bool key_down(i32 key);
bool key_pressed(i32 key);

bool btn_down(i32 button);
bool btn_pressed(i32 button);