/**
 * Jingga
 *
 * @copyright Jingga
 * @license   OMS License 2.0
 * @version   1.0.0
 * @link      https://jingga.app
 */
#ifndef TOS_PLATFORM_WIN32_WINDOW_H
#define TOS_PLATFORM_WIN32_WINDOW_H

#include <windows.h>
#include "../../stdlib/Types.h"
#include "../../system/Window.h"

typedef HINSTANCE WindowInstance;

struct Window {
    // @question Should we implement a virtual width/height (e.g. I think apple has that where physical resolution < virtual resolution?!)
    uint16 width;
    uint16 height;

    uint16 x;
    uint16 y;

    // 1. position
    // 2. focus
    // 3. size
    // 4. fullscreen
    byte state_changes;
    // @todo replace bools with states
    bool is_focused;
    bool is_fullscreen;

    HWND hwnd;
    HDC hdc;
    HINSTANCE hInstance;

    // @bug This should only be available on opengl.
    // The problem is the main program doesn't know which gpuapi we are using, so maybe a void pointer?
    HGLRC openGLRC;

    // @question why do we need the name?
    char name[32];
    WindowState state_old;
};

inline
void window_backup_state(Window* __restrict w)
{
    w->state_old.style = GetWindowLongPtr(w->hwnd, GWL_STYLE);
    w->state_old.width = w->width;
    w->state_old.height = w->height;
    w->state_old.x = w->x;
    w->state_old.y = w->y;
}

inline
void window_restore_state(Window* __restrict w)
{
    w->width = w->state_old.width;
    w->height = w->state_old.height;
    w->x = w->state_old.x;
    w->y = w->state_old.y;
}

#endif