#include "..\\include\Lib_Clara.h"
#include "..\\include\Dir.h"
#include "..\\include\cfg_items.h"
#include "conf_loader.h"

#define LCFGFILENAME L"TagEditor.bcfg"

const wchar_t *successed_config_path=L"";
const wchar_t *successed_config_name=L"";

#pragma segment="CONFIG_C"
int SaveConfigData(const wchar_t *path,const wchar_t *fname)
{
  int f;
  char *buf;
  int result = -1;
  void *cfg;

  cfg=(char *)__segment_begin("CONFIG_C");

  unsigned int len=(char *)__segment_end("CONFIG_C")-(char *)__segment_begin("CONFIG_C");

  if ((buf=new char[len]))
  {
    if ((f=_fopen(path,fname,FSX_O_RDWR|FSX_O_TRUNC,FSX_S_IREAD|FSX_S_IWRITE,0)) >= 0)
    {
      if (fwrite(f,cfg,len)==len) result = 0;
      fclose(f);
    }
    delete buf;
  }
  if (result >= 0)
  {
    successed_config_path=path;
    successed_config_name=fname;
  }
  return(result);
}

int LoadConfigData(const wchar_t *path,const wchar_t *fname)
{
  int f;
  char *buf;
  int result = -1;
  void *cfg;
  FSTAT _fstat;
  unsigned int rlen;

  cfg=(char *)__segment_begin("CONFIG_C");

  unsigned int len=(char *)__segment_end("CONFIG_C")-(char *)__segment_begin("CONFIG_C");

  if ((buf=new char[len]))
  {
    if (fstat(path,fname,&_fstat) != -1)
    {
      if ((f=_fopen(path,fname,FSX_O_RDONLY,FSX_S_IREAD|FSX_S_IWRITE,0)) >= 0)
      {
        rlen=fread(f,buf,len);
        fclose(f);
        if (rlen!=_fstat.fsize || rlen!=len)
        {
            delete buf;
            return SaveConfigData(path,fname);
        }
        memcpy(cfg,buf,len);
        result=0;
      }
    }
    delete buf;
  }
  if (result >= 0)
  {
    successed_config_path=path;
    successed_config_name=fname;
  }
  return(result);
}


void InitConfig(void)
{
  if (LoadConfigData(GetDir(DIR_ELFS_CONFIG|MEM_INTERNAL),LCFGFILENAME) < 0)
  {
    if(LoadConfigData(GetDir(DIR_ELFS_CONFIG|MEM_EXTERNAL),LCFGFILENAME) < 0)
    {
      SaveConfigData(GetDir(DIR_ELFS_CONFIG|MEM_INTERNAL),LCFGFILENAME);
    }
  }
}