/*
Miranda Database Tool
Copyright (C) 2001-2005  Richard Hughes

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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#include "..\commonheaders.h"

static DBContact user;
static int phase;
static DWORD ofsUser;

int CDb3Mmap::WorkUser(int firstTime)
{
	int first = 0;

	if (firstTime) {
		cb->pfnAddLogMessage(STATUS_MESSAGE, TranslateT("Processing user data"));
		if (!SignatureValid(m_dbHeader.ofsUser, DBCONTACT_SIGNATURE)) {
			cb->pfnAddLogMessage(STATUS_ERROR, TranslateT("User corrupted, this could cause major problems"));
			return ERROR_NO_MORE_ITEMS;
		}

		DWORD dwSize = (m_dbHeader.version < DB_095_VERSION) ? offsetof(DBContact, dwContactID) : sizeof(DBContact);
		if (ReadSegment(m_dbHeader.ofsUser, &user, dwSize) != ERROR_SUCCESS)
			return ERROR_NO_MORE_ITEMS;

		if (user.ofsNext) {
			cb->pfnAddLogMessage(STATUS_WARNING, TranslateT("More than one user contact: keeping only first"));
			user.ofsNext = 0;
		}

		if ((ofsUser = WriteSegment(WSOFS_END, &user, sizeof(DBContact))) == WS_ERROR)
			return ERROR_HANDLE_DISK_FULL;

		m_dbHeader.ofsUser = ofsUser;
		phase = 0;
		first = 1;
	}

	int ret;
	switch (phase) {
	case 0:
		ret = WorkSettingsChain(&user, first);
		if (ret == ERROR_NO_MORE_ITEMS) {
			phase++; first = 1;
		}
		else if (ret) return ret;
		else break;

	case 1:
		ret = WorkEventChain(ofsUser, &user, first);
		if (ret == ERROR_NO_MORE_ITEMS) {
			if (WriteSegment(ofsUser, &user, sizeof(DBContact)) == WS_ERROR)
				return ERROR_HANDLE_DISK_FULL;
			return ERROR_NO_MORE_ITEMS;
		}
		else if (ret)
			return ret;
		break;
	}
	return ERROR_SUCCESS;
}