#ifndef RAGNAROK_SOURCE_UI_WINDOW_UIWINDOW_H
#define RAGNAROK_SOURCE_UI_WINDOW_UIWINDOW_H

#include "Render/Primitives/UIRPData.h"
#include "UI/Window/WindowAncestry.h"
#include "UI/Layout/WindowGeometry.h"

#include <unordered_set>
#include <vector>

class CRenderSystemBase;
class ModeEvents;
class RenderPrimitivePool;
class CRenderer;
struct ModeCursor;
struct WindowRegistration;
class UIWindow;
struct RenderQueues;
struct BitmapImage;
class FontCache;
struct TextLocale;

struct UIWindowContext {
  RenderPrimitivePool& primitives;
  CRenderSystemBase& renderSystem;
  CRenderer& renderer;
  ModeEvents*& mode;
  ModeCursor& cursor;
  std::uint32_t& cursorTick;
  WindowRegistration& registration;
  WindowAncestry*& reference_019C;
  WindowAncestry*& reference_01A0;
  WindowAncestry*& reference_01B8;
  WindowAncestry*& reference_0A30;
  WindowAncestry*& reference_4F1D4;
  std::unordered_set<UIWindow*>& deferredDeletion;

  void DestroyDeferredChildren();
};

class UIWindow : public UIRPData, public WindowAncestry {
  friend struct WindowDialogs;
  friend struct InputFocus;
  friend class CUIDropDownBox;

public:
  explicit UIWindow(UIWindowContext& context, unsigned char cached);
  ~UIWindow() override;
  virtual void Resize(int width, int height);
  virtual bool Slot02();
  virtual bool Slot03();
  virtual void Move(int x, int y);
  virtual bool Slot05();
  virtual UIWindow* Slot06();
  virtual bool Slot07(void* output);
  virtual bool Slot08();
  virtual bool CanHitTest();
  virtual void Slot10(int argument1, int argument2, std::intptr_t argument3);
  virtual void Slot11();
  virtual void Slot12();
  virtual void Slot13(int argument1, int argument2);
  virtual void Show(int visible);
  virtual void Slot15(int width, int height);
  virtual void Slot16();
  virtual void Grow(int width, int height);
  virtual void Slot18();
  virtual void Slot19();
  virtual void Paint();
  virtual void Slot21();
  virtual void Slot22(int width, int height);
  virtual void Slot23();
  virtual void Slot24(int argument);
  virtual void Slot25(int argument1, int argument2);
  virtual void Slot26(int argument1, int argument2);
  virtual void Slot27(int argument1, int argument2);
  virtual void Slot28(int argument1, int argument2);
  virtual void Slot29(int argument1, int argument2);
  virtual void ResetCursor(int argument1, int argument2);
  virtual void Slot31(int argument1, int argument2);
  virtual void Slot32(int argument1, int argument2);
  virtual void Slot33(int argument1, int argument2);
  virtual void Slot34(int argument1, int argument2);
  virtual void Slot35(int argument);
  virtual void Slot36();
  virtual int SendMsg(UIWindow* sender, int message, std::intptr_t argument1, std::intptr_t argument2, std::intptr_t argument3, std::intptr_t argument4);
  virtual void Invalidate();
  virtual void Slot39();
  virtual std::uint32_t Color();
  virtual bool Update(int redraw);
  virtual bool Slot42(void* output);
  virtual void Slot43();
  virtual std::vector<std::uint32_t> Slot44();
  virtual void SetId(int value);
  virtual int Slot46();
  virtual void Slot47();
  virtual void Slot48();
  virtual RenderPrimitive* DrawPrimitive();
  virtual UIWindow* HitTest(int x, int y);
  virtual void VisitChildren();
  virtual void Slot52(int argument);

  void AddChild(UIWindow* child);
  void AddChildFront(UIWindow* child);
  void DeleteChildren();
  void ClearChildren(bool destroy);
  void RemoveChild(UIWindow* child, unsigned char destroy);

  void InvalidateChildren();
  bool Contains(const UIWindow* window) const;
  UIWindow* FindUid(std::uint32_t uid);
  // INLINED
  std::uint32_t Uid() const {
    return this->m_uid;
  }
  UIWindow* Root();
  void ClearSurface(std::uint32_t color);
  void SetSize(int width, int height);
  void DrawBitmap(int x, int y, const BitmapImage* image, bool transparent);
  void FillRegion(int x, int y, int width, int height, std::uint32_t color);
  int TextWidth(FontCache& fonts, const TextLocale& locale, const char* text, unsigned bytes, int family, int height, unsigned char bold, unsigned char italic);
  void DrawTextAt(
    FontCache& fonts, const TextLocale& locale, int x, int y, const char* text, int bytes, int family, int height, std::uint32_t color, unsigned char bold,
    unsigned char italic
  );
  void FlushPrimitives(RenderQueues& queues, bool depthAlpha, float depthStart, float depthEnd);

  // INLINED
  bool HasTextBackground() const {
    return this->unknown_0044 != 0;
  }
  // INLINED
  std::uint32_t TextBackground() const {
    return this->unknown_0048;
  }

  WindowGeometry geometry;

protected:
  /* 0044 */ unsigned char unknown_0044;
  /* 0048 */ std::uint32_t unknown_0048;
  /* 004C */ std::uint32_t unknown_004C;
  /* 0050 */ std::list<UIWindow*> m_children;
  /* 0058 */ int m_dirty;
  /* 005C */ std::vector<RenderPrimitive*> m_overlayPrimitives;
  /* 0068 */ std::vector<RenderPrimitive*> unknown_0068;
  /* 0074 */ std::uint32_t m_uid;
  /* 0078 */ unsigned char m_cached;
  /* 0079 */ unsigned char m_clip;

  UIWindowContext* m_context;

private:
  UIWindow* Parent() const;
  void DeferDeletion(UIWindow* window);
  UIWindow(const UIWindow&) = delete;
  UIWindow& operator=(const UIWindow&) = delete;
};

extern std::uint32_t g_windowUid;

#if defined(_WIN32) && !defined(_WIN64)
static_assert(sizeof(UIWindow) == 128);
#endif

#endif