#pragma once
#include "../gui/base.h"
#include "../util/file.h"
#include "../game/world/map.h"

const F32 EDITOR_DEFAULT_SPRITE_SIZE = 32.f;
const F32 EDITOR_DEFAULT_POLY_SIDES = 6.f;
const F32 EDITOR_DEFAULT_WALL_HEIGHT = 80.f;
const F32 EDITOR_DEFAULT_PLACEMENT_HEIGHT = 0.f;
const I32 EDITOR_POLY_SIDES_MIN = 3;
const I32 EDITOR_POLY_SIDES_MAX = 32;

enum EditorTools_t {
  EDITOR_TOOL_NONE,
  EDITOR_TOOL_SELECT,
  EDITOR_TOOL_WALL,
  EDITOR_TOOL_POLY,
  EDITOR_TOOL_SPRITE,
  EDITOR_TOOL_ENT
};

enum EditorWallShape_t {
  EDITOR_WALLSHAPE_LINE = 0,
  EDITOR_WALLSHAPE_POLYGON = 1
};

enum EditorSelectType_t {
  EDITOR_SELECT_NONE,
  EDITOR_SELECT_WALL,
  EDITOR_SELECT_POLY,
  EDITOR_SELECT_WVERTEX, // wall vertex
  EDITOR_SELECT_PVERTEX, // polygon vertex
  EDITOR_SELECT_SPRITE,
  EDITOR_SELECT_ENT,
  EDITOR_SELECT_ORIGIN,
  EDITOR_SELECT_SURFPROPS
};

struct GAME_EDITOR_TOOL {
  U8 type;

  /* shapes */
  I32 wallshape;
  F32 polysides;
  F32 wallheight;
  F32 placementheight;
  GL_TEX2D* tex;

  /* entity */
  U32 entclass;
  void* entprops;
};

struct GAME_EDITOR {
  GAME_DATA* game;

  struct WORLD_MAP* map;
  struct GUI_EDITORWINDOW* wnd;

  struct EDITOR_GUI {
    struct GUI_WINDOW* new_map_popup;

    struct GUI_EDITOR_2DVIEW* v2d;
    struct GUI_EDITOR_3DVIEW* v3d;

    struct GUI_LABEL* gridlabel;

    struct GUI_EDITOR_PROPVIEW* props;
    struct GUI_EDITOR_TOOLVIEW* tool;
    I32 map_select{};
  } gui;


  U8 wireframe{};
  GAME_EDITOR_TOOL tool;
  F32 grid{};
  U8  propgrid{};
  F32 spritesize{};
  U8 drawbsp{};

  LIST<GUI_LIST_ENTRY> map_list{};
};

extern GAME_EDITOR* editor_create( struct GAME_DATA* game );
extern void editor_destroy( GAME_EDITOR* editor );
extern STAT editor_load_map( GAME_EDITOR* e, const char* mapname );
extern STAT editor_save_map( GAME_EDITOR* e );
extern STAT editor_new_map( GAME_EDITOR* e, const char* mapname );
extern STAT editor_close( GAME_EDITOR* e );

extern LIST<GUI_LIST_ENTRY>* editor_get_map_list( GAME_EDITOR* e );

extern void editor_load_map_cb( void* );
extern void editor_new_map_cb( void* );

extern void editor_create_map_view( GAME_EDITOR* e );
extern void editor_update_properties_column( GAME_EDITOR* e );

struct GUI_EDITORWINDOW : GUI_WINDOW {};
struct GUI_EDITOR_3DVIEW : GUI_VIEW {
  U8 heldoutbounds;
};

struct GUI_EDITOR_2DVIEW : GUI_VIEW {
  F32 scale;
  F32 posx, posy;

  I32 moffx, moffy;
  F32 voffx, voffy;
  U8 dragheld;
  U8 held;
  U8 heldoutbounds;

  I32 oldmx, oldmy;
  F32 mremainx, mremainy;

  void* curselect;
  U8    seltype;

  void* curdrag;
  U8    dragtype;
  U8    dragmoved;

  U8   poly_drag;
  VEC2 poly_start;
  VEC2 poly_end;
};

struct GUI_EDITOR_PROPVIEW : GUI_VIEW {
  void* curselect;
  U8    seltype;

  GUI_VIEW* itemview;
};

struct GUI_EDITOR_TOOLVIEW : GUI_VIEW {
  GUI_VIEW* itemview;
  U8 wallshape_dropdown_open;
};

struct GUI_EDITOR_TEXTUREPICKER : GUI_WINDOW {
  struct GL_TEX2D** target;
  struct GL_TEX2D* curselect;

  I32 scrolloff;

  LIST<FILE_ENTRY> files;
  LIST<struct GL_TEX2D*> textures;
  I32 scrollheight;

  U32 rowcount;
  char search[256];

  U32 curload;
  U8  loaded;

  GL_TEX2D* heldselect;
  GUI_LABEL* densitylabel;

  GUI_CALLBACK cb;
};

extern GUI_EDITORWINDOW*         gui_editorwindow( I32 w, I32 h );
extern GUI_EDITOR_2DVIEW*        gui_editor_2dview( I32 x, I32 y, I32 w, I32 h );
extern GUI_EDITOR_3DVIEW*        gui_editor_3dview( I32 x, I32 y, I32 w, I32 h );
extern GUI_EDITOR_PROPVIEW*      gui_editor_propview( I32 x, I32 y, I32 w, I32 h );
extern void                      gui_editor_propview_select( GUI_EDITOR_PROPVIEW* e, void* what, U8 seltype );
extern void                      gui_editor_propview_update( GUI_EDITOR_PROPVIEW* e );
extern GUI_EDITOR_TOOLVIEW*      gui_editor_toolview( I32 x, I32 y, I32 w, I32 h );
extern void                      gui_editor_toolview_update( GUI_EDITOR_TOOLVIEW* view );
extern GUI_EDITOR_TEXTUREPICKER* gui_editor_texturepicker( I32 x, I32 y, I32 w, I32 h, GL_TEX2D** target );


extern GAME_EDITOR* editor;