#pragma once

#define BIT(x)\
  (1 << x)

#define EVENT_CLASS_TYPE_FN(type)\
  virtual std::string get_name() const override { return type; }

#define BIND_EVENT_FN(app, x)\
  std::bind(&app::x, this, std::placeholders::_1)

#define BASE_TYPE_DEFINE(time, event_manager)\
  using time = core::time::timestep<float>;\
  using event_manager = tr::core::app_event::event;\
  using app_event = tr::core::app_event::event_type;\
  using system_event = tr::core::system_event::event


#define BASE_WINDOW_FLAGS()\
  if (f.no_titlebar)        window_flags |= ImGuiWindowFlags_NoTitleBar;\
  if (f.no_scrollbar)       window_flags |= ImGuiWindowFlags_NoScrollbar;\
  if (!f.no_menu)           window_flags |= ImGuiWindowFlags_MenuBar;\
  if (f.no_move)            window_flags |= ImGuiWindowFlags_NoMove;\
  if (f.no_resize)          window_flags |= ImGuiWindowFlags_NoResize;\
  if (f.no_collapse)        window_flags |= ImGuiWindowFlags_NoCollapse;\
  if (f.no_nav)             window_flags |= ImGuiWindowFlags_NoNav;\
  if (f.no_background)      window_flags |= ImGuiWindowFlags_NoBackground;\
  if (f.no_bring_to_front)  window_flags |= ImGuiWindowFlags_NoBringToFrontOnFocus

#define SET_EVENT_MANAGER_IMPL()\
  void set_event_manager(event_manager* em_)\
  {\
    em = em_;\
    em->set_event_callback(this);\
  }

#define BASE_OVERIDE_IMPL()\
  void on_attach() override;\
  void on_detach() override;\
  void gui_render() override;\
  void on_event(tr::core::system_event::event& e) override;\
  void on_event(tr::core::app_event::event_type type, std::any value) override;\
  void on_update(time t) override

#define CONSTRUCT_IMPL(name)\
  name() : core::layer { ""#name"" } { BASE_WINDOW_FLAGS(); };\
  ~name() = default

#define FLAGS_STRUCT_DEFINED()\
  struct flags\
  {\
    bool p_open = false;\
    bool no_titlebar = true;\
    bool no_scrollbar = true;\
    bool no_menu = true;\
    bool no_move = true;\
    bool no_resize = true;\
    bool no_collapse = true;\
    bool no_nav = false;\
    bool no_background = false;\
    bool no_bring_to_front = false;\
    bool no_docking = true;\
  } f;\
  ImGuiWindowFlags window_flags = 0

#define BEGIN_IMGUI_WIN() if (!ImGui::Begin(name.c_str(), &f.p_open, window_flags)) ImGui::End()
#define END_IMGUI_WIN() ImGui::End()