//  This may look like C code, but it is really -*- C++ -*-

//  ------------------------------------------------------------------
//  The Goldware Library
//  Copyright (C) 2000 Alexander S. Aganichev
//  ------------------------------------------------------------------
//  This program is free software; you can redistribute it and/or
//  modify it under the terms of the GNU General Public License as
//  published by the Free Software Foundation; either version 2 of the
//  License, or (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//  General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//  ------------------------------------------------------------------
//  $Id$
//  ------------------------------------------------------------------
//  Synchronet message base
//  ------------------------------------------------------------------

#include <gdbgtrk.h>
#include <gmemdbg.h>
#include <gstrall.h>
#include <gmosmb.h>


//  ------------------------------------------------------------------

void SMBArea::raw_scan(bool keep_index, bool scanpm)
{
  GFTRK("SMBArea::raw_scan");

  smb_t *_was_data = data;
  if(_was_data == NULL) {
    if(ispacked()) {
      const char* newpath = Unpack(path());
      if(newpath == NULL)
        packed(false);
      set_real_path(newpath ? newpath : path());
    }
    data_open();
  }
  uint32_t firstmsgno = 0;
  uint32_t lastmsgno = 0;
  Msgn->Reset();
  PMrk->Reset();
  if(isopen or smb_open(data) == 0) {
    if(smb_locksmbhdr(data) == 0) {
      int res = smb_getstatus(data);
      smb_unlocksmbhdr(data);
      uint32_t total_msgs = 0;
      if(res == 0) {
        total_msgs = data->status.total_msgs;
        lastmsgno = data->status.last_msg;
        if(keep_index or scanpm) {
          smbmsg_t msg;
          int umax = (WidePersonalmail & PM_ALLNAMES) ? WideUsernames : 1;
          uint32_t l = 1;
          rewind(data->sid_fp);
          while(l <= total_msgs) {
            if(not fread(&msg.idx, 1, sizeof(idxrec_t), data->sid_fp))
              break;
            if(smb_lockmsghdr(data, &msg) == 0) {
              int rc = smb_getmsghdr(data, &msg);
              smb_unlockmsghdr(data, &msg);
              if(rc == 0) {
                if(firstmsgno == 0)
                  firstmsgno = msg.hdr.number;
                if(keep_index)
                  Msgn->Append(msg.hdr.number);
                if(scanpm) {
                  bool gotpm = false;
                  for(int u=0; u<umax; u++) {
                    if(strieql(WideUsername[u], (char *)msg.to)) {
                      gotpm = true;
                      break;
                    }
                  }
                  if(gotpm) {
                    if(not (msg.idx.attr & MSG_READ))
                      PMrk->Append(msg.hdr.number);
                    gotpm = false;
                  }
                }
                smb_freemsgmem(&msg);
              }
            }
            l++;
          }
          total_msgs = l-1;
        }
      }
      if(not isopen)
        smb_close(data);
      Msgn->SetCount(total_msgs);
    }
  }
  if(WideDebug) {
    WideLog->printf("- %s: t:%u, l:%u, fm:%u, hm:%u, lr:%u, u:%u, pm: %i",
      echoid(),
      Msgn->Count(),
      0,
      firstmsgno,
      lastmsgno,
      0,
      0,
      scanpm ? (int)PMrk->Count() : -1
    );
  }
  if(_was_data == NULL) {
    data_close();
    if(ispacked()) {
      CleanUnpacked(real_path());
    }
  }

  GFTRK(0);
}


//  ------------------------------------------------------------------

void SMBArea::scan()
{
  raw_scan(true);
}


//  ------------------------------------------------------------------

void SMBArea::scan_area()
{
  raw_scan();
}


//  ------------------------------------------------------------------

void SMBArea::scan_area_pm()
{
  raw_scan(true, true);
}


//  ------------------------------------------------------------------