/*
 * SNACs
 *
 * Copyright (C) 2001 Barnaby Gray <barnaby@beedesign.co.uk>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
 *
 */

#include <libicq2000/SNAC.h>

namespace ICQ2000 {

  InSNAC* ParseSNAC(Buffer& b) {
    unsigned short family, subtype;
    b >> family
      >> subtype;

    InSNAC *snac = NULL;

    switch(family) {

    case SNAC_FAM_GEN:
      switch(subtype) {
      case SNAC_GEN_ServerReady:
	snac = new ServerReadySNAC();
	break;
      case SNAC_GEN_RateInfo:
	snac = new RateInfoSNAC();
	break;
      case SNAC_GEN_CapAck:
	snac = new CapAckSNAC();
	break;
      case SNAC_GEN_UserInfo:
	snac = new UserInfoSNAC();
	break;
      case SNAC_GEN_MOTD:
	snac = new MOTDSNAC();
	break;
      case SNAC_GEN_RateInfoChange:
	snac = new RateInfoChangeSNAC();
	break;
      }
      break;

    case SNAC_FAM_BUD:
      switch(subtype) {
      case SNAC_BUD_Online:
	snac = new BuddyOnlineSNAC();
	break;
      case SNAC_BUD_Offline:
	snac = new BuddyOfflineSNAC();
	break;
      }
      break;

    case SNAC_FAM_MSG:
      switch(subtype) {
      case SNAC_MSG_Message:
	snac = new MessageSNAC();
	break;
      case SNAC_MSG_MessageACK:
	snac = new MessageACKSNAC();
	break;
      case SNAC_MSG_OfflineUser:
	snac = new MessageOfflineUserSNAC();
	break;
      }
      break;

    case SNAC_FAM_SRV:
      switch(subtype) {
      case SNAC_SRV_Response:
	snac = new SrvResponseSNAC();
	break;
      }
      break;

    case SNAC_FAM_UIN:
      switch(subtype) {
      case SNAC_UIN_RequestError:
	snac = new UINRequestErrorSNAC();
	break;
      case SNAC_UIN_Response:
	snac = new UINResponseSNAC();
	break;
      }
    
    case SNAC_FAM_SBL:
      switch(subtype) {
      case SNAC_SBL_List_From_Server:
	snac = new SBLListSNAC();
	break;
      }
      break;
    }
    
    if (snac == NULL) {
      // unrecognised SNAC
      // parse as a RawSNAC
      snac = new RawSNAC(family, subtype);
    }

    snac->Parse(b);

    return snac;

  }

}