#include "..\inc\swilib.h"
#include "conf_loader.h"
#include "..\inc\pnglist.h"

const int minus11=-11;
extern const unsigned int refresh;
int ram;
int ram_before;
int ram_cleared;
int ram_after;
extern const int message;

typedef struct
{
  CSM_RAM csm;
}MAIN_CSM;

CSM_RAM *under_idle;

extern void kill_data(void *p, void (*func_p)(void *));

#pragma inline=forced

int toupper(int c)
{
  if ((c>='a')&&(c<='z')) c+='A'-'a';
  return(c);
}

int strcmp_nocase(const char *s1,const char *s2)
{
  int i;
  int c;
  while(!(i=(c=toupper(*s1++))-toupper(*s2++))) if (!c) break;
  return(i);
}

void clear_cache()
{
  PNGTOP_DESC *ptop=PNG_TOP();
  PNGLIST *pl;
  LockSched();
  pl=ptop->pltop;
  ptop->pltop=0;
  UnlockSched();
  while(pl)
  {
    PNGLIST *pl_prev;
    pl_prev=pl;
    pl=pl->next;
    mfree(pl_prev->pngname);
    if(pl_prev->img)
    {
      mfree(pl_prev->img->bitmap);
      mfree(pl_prev->img);
    }
    mfree(pl_prev);
  }
  REDRAW();
}

void clear_bitmap()
{
  PNGTOP_DESC *ptop=PNG_TOP();
  char *bitmap;
  if ((bitmap=ptop->bitmap))
  {
    LockSched();
    zeromem(bitmap,20000/8*2);
    UnlockSched();
  }
}

void checker()
{
  ram = GetFreeRamAvail()/1024;
  if(ram<=refresh)
  {
   char *rams=malloc(256);
  ram_before=ram;
  clear_bitmap();
  clear_cache();
  ram_after = GetFreeRamAvail()/1024;
  ram_cleared=ram_after-ram_before;
  sprintf(rams, " cleared %dKB", ram_cleared);
  if(message)
  ShowMSG(1,(int)rams);
  mfree(rams);
  }
}

int maincsm_onmessage(CSM_RAM* data,GBS_MSG* msg)
{
  if(msg->msg == MSG_RECONFIGURE_REQ) 
  {
    extern const char *successed_config_filename;
    if (strcmp_nocase(successed_config_filename,(char *)msg->data0)==0)
    {
      ShowMSG(1,(int)"MS_CLEARER config updated!");
      InitConfig();
    }
  }
  #define idlegui_id (((int *)icsm)[DISPLACE_OF_IDLEGUI_ID/4])
    CSM_RAM *icsm=FindCSMbyID(CSM_root()->idle_id);
    if (IsGuiOnTop(idlegui_id)/*&&IsUnlocked()*/) //???? IdleGui ?? ????? ?????
    {
      GUI *igui=GetTopGUI();
      if (igui) //? ?? ??????????
      {
	void *canvasdata=BuildCanvas();
      }
      checker();
      }
  return (1);  
}

static void maincsm_oncreate(CSM_RAM *data)
{

}

static void Killer(void)
{
  extern void *ELF_BEGIN;
  kill_data(&ELF_BEGIN,(void (*)(void *))mfree_adr());
}

static void maincsm_onclose(CSM_RAM *csm)
{
  SUBPROC((void *)Killer);
}

static unsigned short maincsm_name_body[140];

static const struct
{
  CSM_DESC maincsm;
  WSHDR maincsm_name;
}MAINCSM =
{
  {
  maincsm_onmessage,
  maincsm_oncreate,
#ifdef NEWSGOLD
  0,
  0,
  0,
  0,
#endif
  maincsm_onclose,
  sizeof(MAIN_CSM),
  1,
  &minus11
  },
  {
    maincsm_name_body,
    NAMECSM_MAGIC1,
    NAMECSM_MAGIC2,
    0x0,
    139
  }
};

static void UpdateCSMname(void)
{
  wsprintf((WSHDR *)(&MAINCSM.maincsm_name),"MS_CLEARER - (c)Evilfox");
}

int main()
{
  InitConfig();
  CSM_RAM *save_cmpc;
  char dummy[sizeof(MAIN_CSM)];
  UpdateCSMname();  
  LockSched();
  save_cmpc=CSM_root()->csm_q->current_msg_processing_csm;
  CSM_root()->csm_q->current_msg_processing_csm=CSM_root()->csm_q->csm.first;
  CreateCSM(&MAINCSM.maincsm,dummy,0);
  CSM_root()->csm_q->current_msg_processing_csm=save_cmpc;
  UnlockSched();
  return 0;
}