/******************************************************************
 * PTlink Services is (C) CopyRight PTlink IRC Software 1999-2005 *
 *                http://software.pt-link.net                     *
 * This program is distributed under GNU Public License           *
 * Please read the file COPYING for copyright information.        *
 ******************************************************************
                                                                                
  Description: chanserv invite command
                                                                                
 *  $Id: cs_invite.c,v 1.6 2005/10/18 16:25:06 jpinto Exp $
*/

#include "module.h"
#include "chanserv.h"
#include "chanrecord.h"
#include "my_sql.h"
#include "cs_role.h"
#include "nsmacros.h"
#include "nickserv.h"
#include "dbconf.h"
/* lang files */
#include "lang/common.lh"
#include "lang/cscommon.lh"
#include "lang/cs_invite.lh"

SVS_Module mod_info =
/* module, version, description */
{"cs_invite", "2.0", "chanserv invite command" };

/* Change Log 
    2.0 - 0000265: remove nickserv cache system
        - 0000281: No auth nick can't use chanserv
    1.1	- Use OpenCR instead of ->sdata to check for reg channel
*/

/* external functions we need */
ServiceUser* (*chanserv_suser)(void);

MOD_REQUIRES
  MOD_FUNC(dbconf_get)
  MOD_FUNC(chanserv_suser)
  MOD_FUNC(role_with_permission)
MOD_END

/* Internal functions declaration */

/* core event handlers */

/* available commands from module */
void cs_invite(IRC_User *s, IRC_User *u);

ServiceUser* csu;
int cs_log;

/* Remote config */
static int NeedsAuth;

DBCONF_REQUIRES
  DBCONF_GET("chanserv", NeedsAuth)
DBCONF_END

/* this is called before load and at services rehash */
int mod_rehash(void)
{
  if(dbconf_get(dbconf_requires) < 0 )
  {
    errlog("Error reading dbconf!");
    return -1;
  }
  return 0;
}

int mod_load(void)
{

  csu = chanserv_suser();  
  suser_add_cmd(csu, "INVITE", cs_invite, INVITE_SUMMARY, INVITE_HELP);
  return 0;
}

void
mod_unload(void)
{
  suser_del_mod_cmds(csu, &mod_info);
}

/* s = service the command was sent to
   u = user the command was sent from */
void cs_invite(IRC_User *s, IRC_User *u)
{
  u_int32_t source_snid;
  ChanRecord* cr;
  IRC_Chan* chan;
  IRC_ChanNode* cn;
  char *chname;
  
  cr = NULL;
  chname = strtok(NULL, " ");  

  /* status validation */
  CHECK_IF_IDENTIFIED_NICK  
 
  /* syntax validation */
  if(NeedsAuth && !IsAuthenticated(u))
    send_lang(u, s, NEEDS_AUTH_NICK);
  else
  if(IsNull(chname))
    send_lang(u, s, INVITE_SYNTAX);    
  /* check requirements */
  else if((chan = irc_FindChan(chname)) == NULL)
    send_lang(u,s, CHAN_X_IS_EMPTY, chname);
  else if((cn = irc_FindOnChan(chan, u)) != NULL)
    send_lang(u, s, YOU_ARE_ALREADY_ON_X, chname);
  else if((cr = OpenCR(chname)) == NULL)
    send_lang(u, s, CHAN_X_NOT_REGISTERED, chname);    
  /* privileges validation */
  else if(role_with_permission(cr->scid, source_snid, P_INVITE) == 0)
    send_lang(u, s, NO_INVITE_PERM_ON_X, chname);
  /* execute operation */
  else
    {
      irc_ChanInvite(chan, u, s);
      irc_SvsJoin(u, s, chan->name);
    }
  CloseCR(cr);
}

/* End of Module */


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