#include "../inc/swilib.h"

#pragma inline
void patch_header2(HEADER_DESC* head)
{
  head->rc.x=0;
  head->rc.y=YDISP;
  head->rc.x2=ScreenW()-1;
  head->rc.y2=HeaderH()+YDISP;
}
#pragma inline
void patch_input2(INPUTDIA_DESC* inp)
{
  inp->rc.x=0;
  inp->rc.y=HeaderH()+1+YDISP;
  inp->rc.x2=ScreenW()-1;
  inp->rc.y2=ScreenH()-SoftkeyH()-1;
}

#pragma inline
void patch_rect2(RECT*rc,int x,int y, int x2, int y2)
{
  rc->x=x;
  rc->y=y;
  rc->x2=x2;
  rc->y2=y2;
}

typedef struct
{
  void *next;
  char *fullname;
  char *name;
  int is_folder;
  char *ext;
}FLIST;

typedef struct
{
  void *gui;
  int type;
}FVIEW;

volatile FLIST *fltop;


void Free_FLIST(void)
{
  LockSched();
  FLIST *fl=(FLIST *)fltop;
  fltop=0;
  UnlockSched();
  while(fl)
  {
    FLIST *fl_prev;
    fl_prev=fl;
    fl=fl->next;
    mfree(fl_prev->fullname);
    mfree(fl_prev->name);
    mfree(fl_prev);
  }
}

#define IS_FOLDER 1
#define IS_FILE 0

const char back[]="..";             
int GetFListN()
{
  int i=0;
  FLIST *fl=(FLIST*)&fltop;
  while((fl=fl->next)) i++;
  return (i);
}

int GetFoldersLevel(char *name)
{
  int i=0;
  char *s=name;
  while(*s++)
  {
    if (*s=='\\' &&*(s+1)!=0) i++;    
  }
  return (i);
}

int strcmp_nocase(const char *s, const char *d)
{
  int cs;
  int ds;
  do
  {
    cs=*s++;
    if (cs&0x40) cs&=0xDF;
    ds=*d++;
    if (ds&0x40) ds&=0xDF;
    cs-=ds;
    if (cs) break;
  }
  while(ds);
  return(cs);
}

FLIST *AddToFList(const char* full_name, const char *name, int is_folder)
{
  FLIST *fl;
  FLIST *pr;
  FLIST *fn=malloc(sizeof(FLIST));
  fn->fullname=malloc(strlen(full_name)+1);
  strcpy(fn->fullname,full_name);
  
  fn->name=malloc(strlen(name)+1);
  strcpy(fn->name,name);
  
  fn->is_folder=is_folder;
  fn->next=0;
  fl=(FLIST *)fltop;
  if (fl)
  {
    pr=(FLIST *)&fltop;
    while(strcmp_nocase(fl->name,fn->name)<0)
    {
      pr=fl;
      fl=fl->next;
      if (!fl) break;
    }
    fn->next=fl;
    pr->next=fn;
  }
  else
  {
    fltop=fn;
  }
  return (fn);  
}

void FindFiles(char *str, int type)  // type == 0 SelectFolder, type == 1 SelectFile
{
  DIR_ENTRY de;
//  int type;
  unsigned int err;
  int i, c;
  char name[256]; 
  char fname[128];

  Free_FLIST();
  strcpy(name,str);
  strcat(name,"*");
  
  i=GetFoldersLevel(str);
  if (i==0)
  {
    AddToFList("ROOT",back,IS_FOLDER);
  }
  else
  {
    char *s=str;
    char *d=fname;
    for (int k=0; k!=i && *s; )
    {
      c=*s++;
      *d++=c;
      if (c=='\\')  k++;
    }
    *d=0;
    AddToFList(fname,back,IS_FOLDER);
  }
  if (FindFirstFile(&de,name,&err))
  {
    do
    {      
      strcpy(name,de.folder_name);
      strcat(name,"\\");
      strcat(name,de.file_name);
      
      if (de.file_attr&FA_DIRECTORY)
      {
        
        strcpy(fname,"\\");
        strcat(fname,de.file_name);
        strcat(name,"\\");
        AddToFList(name,fname,IS_FOLDER);
      }
      else
      {
        if (type!=0)
        {
          AddToFList(name,de.file_name,IS_FILE);
        }
      }
    }
    while(FindNextFile(&de,&err));
  }
  FindClose(&de,&err);
}



FLIST *FindFLISTtByNS(int *i, int si)
{
  FLIST *fl;
  fl=(FLIST *)fltop;
  while(fl)
  {
    if (fl->is_folder==si)
    {
      if (!(*i)) return (fl);
      (*i)--;
    }    
    fl=fl->next;
  }
  return fl;
}
  
FLIST *FindFLISTtByN(int n)
{
  FLIST *fl;
  fl=FindFLISTtByNS(&n,IS_FOLDER); if ((!n)&&(fl)) return(fl);
  fl=FindFLISTtByNS(&n,IS_FILE); if ((!n)&&(fl)) return(fl);
  return fl;
}

const char perc_t[]="%t";
//extern void LoadMNU(char *path);
//int type_f=0;
void SavePath(void *ed_gui, FLIST *fl)
{
 // if(type_f==0)
 // {
    EDITCONTROL ec;
    EDIT_ExtractFocusedControl(ed_gui,&ec);
    WSHDR *ws=AllocWS(256);
    str_2ws(ws,fl->fullname,256);
    EDIT_SetTextToFocused(ed_gui,ws);
    FreeWS(ws);  
//  }
  //else
    //LoadMNU(fl->fullname);    
}  

char header[];
int filelist_menu_onkey(void *data, GUI_MSG *msg)
{
  FVIEW *fview=MenuGetUserPointer(data);
  FLIST *fl;
  int i;
  i=GetCurMenuItem(data);
  fl=FindFLISTtByN(i);
  
  if (msg->keys==0x3D)
  {
    if (fl) 
    {
      if (fl->is_folder==IS_FOLDER)
      {
        int len;
        if (strcmp(fl->fullname,"ROOT"))
        {
          strncpy(header,fl->fullname,127);
          len=strlen(fl->fullname);
          header[len>127?127:len]=0;
          FindFiles(fl->fullname,1);
        }
        else
        {
          void CreateRootMenu();
          CreateRootMenu();
        }         
        Menu_SetItemCountDyn(data,GetFListN());
        SetCursorToMenuItem(data, 0);
        RefreshGUI();
      }
      else
      {
        SavePath(fview->gui,fl);        
        return (1);
      }
    }
    //    GeneralFunc_F1(1);
    return(-1);
  }
  if (msg->keys==0x18)
  {
    if (fl)
    {
      if (strcmp(fl->name,back))
      {
        SavePath(fview->gui,fl);
        return (1);
      }      
    }   
    return (-1);
  }
  return (0);
}

void filelist_menu_ghook(void *data, int cmd)
{
  FVIEW *fview=MenuGetUserPointer(data);
  if (cmd==3)
  {
    Free_FLIST();
    mfree(fview);    
  }
}

void filelist_menu_iconhndl(void *data, int curitem, void *user_pointer)
{
  FLIST *fl;
  WSHDR *ws;
  void *item=AllocMenuItem(data);
  int len;
  fl=FindFLISTtByN(curitem);
  if (fl)
  {
    len=strlen(fl->name);
    ws=AllocMenuWS(data,len+4);
    
    if (fl->is_folder)
    {
      str_2ws(ws,fl->name,len);
      wsInsertChar(ws,0x0002,1);
      wsInsertChar(ws,0xE008,1);
    }
    else
    {
      str_2ws(ws,fl->name,len);
    }
  }
  else
  {
    ws=AllocMenuWS(data,10);
    wsprintf(ws, "Îøèáêà");
  }
  SetMenuItemText(data, item, ws, curitem);
}

int fmenusoftkeys[]={0,1,2};
SOFTKEY_DESC fmenu_sk[]=
{
  {0x0018,0x0000,(int)"Select"},
  {0x0001,0x0000,(int)"Close"},
  {0x003D,0x0000,(int)"+"}
};

SOFTKEYSTAB fmenu_skt=
{
  fmenu_sk,0
};
char header[128];
HEADER_DESC filelist_HDR={0,0,0,0,NULL,(int)header,LGP_NULL};


MENU_DESC filelist_STRUCT=
{
  8,filelist_menu_onkey,filelist_menu_ghook,NULL,
  fmenusoftkeys,
  &fmenu_skt,
  0x10,
  filelist_menu_iconhndl,
  NULL,   //Items
  NULL,   //Procs
  0   //n
};

void CreateRootMenu()
{
  Free_FLIST();
  AddToFList("0:\\","0:\\",IS_FOLDER);
  AddToFList("1:\\","1:\\",IS_FOLDER);
  AddToFList("2:\\","2:\\",IS_FOLDER);
  AddToFList("4:\\","4:\\",IS_FOLDER);
  strcpy(header,"Root");
}

void open_fm(void *ed_gui,int type)
{
  //type_f=0;
  EDITCONTROL ec;
  FVIEW *fview;
  char path[128];
  char *s, *rev=0;
  int c, len;
  
  fview=malloc(sizeof(FVIEW));
  fview->gui=ed_gui;
  fview->type=type;
  EDIT_ExtractFocusedControl(ed_gui,&ec);
  ws_2str(ec.pWS,path,127);
  s=path;
  while((c=*s++))
  {
    if (c=='\\' && *s!='\0') rev=s;  
  }
  if (rev==0)
    CreateRootMenu();
  else
  {
    *rev=0;
    strncpy(header,path,sizeof(header)-1);
    len=strlen(path);
    header[len>sizeof(header)-1?sizeof(header)-1:len]=0;
  }    
  patch_header2(&filelist_HDR);
  CreateMenu(0,0,&filelist_STRUCT,&filelist_HDR,0,GetFListN(),fview,0);
}


void open_file()
{
//  type_f=1;
  FVIEW *fview;
  char *s;
  WSHDR *ws=AllocWS(256);
  fview=malloc(sizeof(FVIEW));
  if (ws->wsbody[0]==0)
  {
    CreateRootMenu();
  }
  else
  {
    ws_2str(ws,header,127);
    s=strrchr(header, '\\');
    if (s) *(s+1)=0;
    int len=strlen(header);
    header[len>127?127:len]=0;
    FindFiles(header,1);
  }    
  patch_header2(&filelist_HDR);
  CreateMenu(0,0,&filelist_STRUCT,&filelist_HDR,0,GetFListN(),fview,0);
}