/*
    * desktop.hpp
    * ZenithOS desktop state and compositor declarations
    * Copyright (c) 2026 Daniel Hammer
*/

#pragma once
#include "gui/gui.hpp"
#include "gui/framebuffer.hpp"
#include "gui/svg.hpp"
#include "gui/window.hpp"
#include "gui/widgets.hpp"
#include "gui/terminal.hpp"
#include <Api/Syscall.hpp>

namespace gui {

static constexpr int MAX_WINDOWS = 8;
static constexpr int PANEL_HEIGHT = 32;

struct DesktopState {
    Framebuffer fb;
    Window windows[MAX_WINDOWS];
    int window_count;
    int focused_window;

    Zenith::MouseState mouse;
    uint8_t prev_buttons;

    bool app_menu_open;

    SvgIcon icon_terminal;
    SvgIcon icon_filemanager;
    SvgIcon icon_sysinfo;
    SvgIcon icon_appmenu;
    SvgIcon icon_folder;
    SvgIcon icon_file;
    SvgIcon icon_computer;

    int screen_w, screen_h;
};

// Forward declarations - implemented in main.cpp
void desktop_init(DesktopState* ds);
void desktop_run(DesktopState* ds);
void desktop_compose(DesktopState* ds);
int  desktop_create_window(DesktopState* ds, const char* title, int x, int y, int w, int h);
void desktop_close_window(DesktopState* ds, int idx);
void desktop_raise_window(DesktopState* ds, int idx);
void desktop_draw_panel(DesktopState* ds);
void desktop_draw_window(DesktopState* ds, int idx);
void desktop_handle_mouse(DesktopState* ds);
void desktop_handle_keyboard(DesktopState* ds, const Zenith::KeyEvent& key);

} // namespace gui