/**
 * drop.C: This file contains code for the ChanServ DROP function.
 *
 * Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team
 * Rights to this code are as documented in COPYING.
 *
 *
 * Portions of this file were derived from sources bearing the following license:
 * Copyright © 2005 William Pitcock, et al.
 * Rights to this code are as documented in doc/pod/license.pod.
 *
 * $Id: drop.C,v 1.8 2007/09/22 14:27:27 pippijn Exp $
 */

#include "atheme.h"
#include <ermyth/module.h>
#include <account/myuser.h>
#include <account/mychan.h>

static char const rcsid[] = "$Id: drop.C,v 1.8 2007/09/22 14:27:27 pippijn Exp $";

REGISTER_MODULE ("chanserv/drop", false, "The Ermyth Team <http://ermyth.xinutec.org>");

static void cs_cmd_drop (sourceinfo_t *si, int parc, char *parv[]);

command_t const cs_drop = { "DROP", N_("Drops a channel registration."), AC_NONE, 1, cs_cmd_drop };

E cmdvec cs_cmdtree;
E helpvec cs_helptree;

bool
_modinit (module *m)
{
  cs_cmdtree << cs_drop;
  help_addentry (cs_helptree, "DROP", "help/chanserv/drop", NULL);

  return true;
}

void
_moddeinit ()
{
  cs_cmdtree >> cs_drop;
  help_delentry (cs_helptree, "DROP");
}

static void
cs_cmd_drop (sourceinfo_t *si, int parc, char *parv[])
{
  mychan_t *mc;
  char *name = parv[0];

  if (!name)
    {
      command_fail (si, fault::needmoreparams, STR_INSUFFICIENT_PARAMS, "DROP");
      command_fail (si, fault::needmoreparams, _("Syntax: DROP <#channel>"));
      return;
    }

  if (*name != '#')
    {
      command_fail (si, fault::badparams, STR_INVALID_PARAMS, "DROP");
      command_fail (si, fault::badparams, _("Syntax: DROP <#channel>"));
      return;
    }

  if (!(mc = mychan_t::find (name)))
    {
      command_fail (si, fault::nosuch_target, _("\2%s\2 is not registered."), name);
      return;
    }

  if (si->c != NULL)
    {
      command_fail (si, fault::noprivs, _("For security reasons, you may not drop a channel registration with a fantasy command."));
      return;
    }

  if (!si->smu->is_founder (mc) && !has_priv (si, PRIV_CHAN_ADMIN))
    {
      command_fail (si, fault::noprivs, _("You are not authorized to perform this operation."));
      return;
    }

  if (mc->find_metadata ("private:close:closer") && !has_priv (si, PRIV_CHAN_ADMIN))
    {
      logcommand (si, CMDLOG_REGISTER, "%s failed DROP (closed)", mc->name);
      command_fail (si, fault::noprivs, _("The channel \2%s\2 is closed; it cannot be dropped."), mc->name);
      return;
    }

  if (mc->flags & MC_HOLD)
    {
      command_fail (si, fault::noprivs, _("The channel \2%s\2 is held; it cannot be dropped."), mc->name);
      return;
    }

  if (!si->smu->is_founder (mc))
    {
      logcommand (si, CMDLOG_ADMIN | LG_REGISTER, "%s DROP", mc->name);
      wallops ("%s dropped the channel \2%s\2", get_oper_name (si), name);
    }
  else
    logcommand (si, CMDLOG_REGISTER, "%s DROP", mc->name);

  snoop ("DROP: \2%s\2 by \2%s\2 as \2%s\2", mc->name, get_oper_name (si), si->smu->name);

  mc->callback.drop (mc);
  if ((config_options.chan && irccasecmp (mc->name, config_options.chan)) || !config_options.chan)
    part (mc->name, chansvs.nick);
  mc->refcnt_dec ();
  command_success_nodata (si, _("The channel \2%s\2 has been dropped."), name);
  return;
}