// window.h
#pragma once
#ifndef WINDOW_H
#define WINDOW_H

typedef struct window_t window_t;

enum KeyCode {
    // Letters
    KEY_A         = 4,
    KEY_D         = 7,
    KEY_S         = 22,
    KEY_W         = 26,
    
    // Numbers
    KEY_1         = 30,
    KEY_0         = 39,

    // Controls
    KEY_RETURN    = 40,
    KEY_ESCAPE    = 41,
    KEY_BACKSPACE = 42,
    KEY_TAB       = 43,
    KEY_SPACE     = 44,

    // Modifiers
    KEY_LCTRL     = 224,
    KEY_LSHIFT    = 225,
    KEY_RCTRL     = 228,
    KEY_RSHIFT    = 229,

    // Navigation
    KEY_RIGHT     = 79,
    KEY_LEFT      = 80,
    KEY_DOWN      = 81,
    KEY_UP        = 82,

    // Function Keys
    KEY_F1        = 58,
    KEY_F2        = 59
};

enum MouseButton {
    MOUSE_BUTTON_LEFT   = 1,
    MOUSE_BUTTON_MIDDLE = 2,
    MOUSE_BUTTON_RIGHT  = 3
};

#ifdef __cplusplus
#include <cstdint>
extern "C" {
#else
#include <stdint.h>
#endif

typedef struct { int x, y; } mouse_pos_t;

// creates a window with given width, height and title, title can be utf8
window_t* window_create(int width, int height, const char* title);
// destroys the window
void window_destroy(window_t* s);
// polls window events, returns true if the window should close
bool window_pollevent(window_t* s);
// blits the given framebuffer to the window. must be the same size as the window and ARGB8888 format
void window_blit(window_t* s, const uint32_t* framebuffer);
// returns true if the given key is currently held down
bool window_is_key_down(window_t* s, int key_scancode);
// returns true if the given mouse button is currently held down
bool window_is_mouse_button_down(window_t* s, int button_index);
// gets the current mouse position in window coordinates
mouse_pos_t window_get_mouse_position(window_t* s);

#ifdef __cplusplus
}
#endif

#endif // WINDOW_H