/**
 * forward.C: This file contains code for the Memoserv FORWARD 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 Atheme Development Group
 * Rights to this code are as documented in doc/pod/license.pod.
 *
 * $Id: forward.C,v 1.8 2007/09/22 14:27:27 pippijn Exp $
 */

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

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

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

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

command_t const ms_forward = { "FORWARD", N_(N_("Forwards a memo.")), AC_NONE, 2, ms_cmd_forward };

E cmdvec ms_cmdtree;
E helpvec ms_helptree;

bool
_modinit (module *m)
{
  ms_cmdtree << ms_forward;
  help_addentry (ms_helptree, "forward", "help/memoserv/forward", NULL);

  return true;
}

void
_moddeinit ()
{
  ms_cmdtree >> ms_forward;
  help_delentry (ms_helptree, "FORWARD");
}

static void
ms_cmd_forward (sourceinfo_t *si, int parc, char *parv[])
{
  /* Misc structs etc */
  user_t *tu;
  myuser_t *tmu;
  mymemo_t *memo, *newmemo;
  unsigned memonum = 0;
  myuser_t::mzignore_vector::iterator miit, miit_end;

  /* Grab args */
  char *target = parv[0];
  char *arg = parv[1];

  /* Arg validator */
  if (!target || !arg)
    {
      command_fail (si, fault::needmoreparams, STR_INSUFFICIENT_PARAMS, "FORWARD");

      command_fail (si, fault::needmoreparams, "Syntax: FORWARD <account> <memo number>");

      return;
    }
  else
    memonum = atoi (arg);

  /* user logged in? */
  if (si->smu == NULL)
    {
      command_fail (si, fault::noprivs, _("You are not logged in."));
      return;
    }

  if (si->smu->flags & MU_WAITAUTH)
    {
      command_fail (si, fault::notverified, _("You need to verify your email address before you may send memos."));
      return;
    }

  /* Check to see if any memos */
  if (si->smu->memos.empty ())
    {
      command_fail (si, fault::nosuch_key, _("You have no memos to forward."));
      return;
    }

  /* Check to see if target user exists */
  if (!(tmu = myuser_t::find_ext (target)))
    {
      command_fail (si, fault::nosuch_target, _("\2%s\2 is not registered."), target);
      return;
    }

  /* Make sure target isn't sender */
  if (si->smu == tmu)
    {
      command_fail (si, fault::noprivs, _("You cannot send yourself a memo."));
      return;
    }

  /* Make sure arg is an int */
  if (!memonum)
    {
      command_fail (si, fault::badparams, _("Invalid message index."));
      return;
    }

  /* check if targetuser has nomemo set */
  if (tmu->flags & MU_NOMEMO)
    {
      command_fail (si, fault::noprivs, "\2%s\2 does not wish to receive memos.", target);

      return;
    }

  /* Check to see if memo n exists */
  if (memonum > si->smu->memos.size ())
    {
      command_fail (si, fault::nosuch_key, _("Invalid memo number."));
      return;
    }

  /* Check to make sure target inbox not full */
  if (tmu->memos.size () >= me.mdlimit)
    {
      command_fail (si, fault::toomany, _("Target inbox is full."));
      logcommand (si, CMDLOG_SET, "failed FORWARD to %s (target inbox full)", tmu->name);
      return;
    }

  /* rate limit it -- jilles */
  if (NOW - si->smu->memo_ratelimit_time > MEMO_MAX_TIME)
    si->smu->memo_ratelimit_num = 0;
  if (si->smu->memo_ratelimit_num > MEMO_MAX_NUM && !has_priv (si, PRIV_FLOOD))
    {
      command_fail (si, fault::toomany, _("Too many memos; please wait a while and try again"));
      return;
    }
  si->smu->memo_ratelimit_num++;
  si->smu->memo_ratelimit_time = NOW;

  /* Make sure we're not on ignore */
  for (miit = tmu->memo_ignores.begin (), miit_end = tmu->memo_ignores.end (); miit != miit_end; ++miit)
    {
      if (!strcasecmp (*miit, si->smu->name))
        {
          /* Lie... change this if you want it to fail silent */
          logcommand (si, CMDLOG_SET, "failed FORWARD to %s (on ignore list)", tmu->name);
          command_success_nodata (si, _("The memo has been successfully forwarded to \2%s\2."), target);
          return;
        }
    }
  logcommand (si, CMDLOG_SET, "FORWARD to %s", tmu->name);
  
  /* Go to forwarding memos */
  memo = si->smu->memos[memonum - 1];
  newmemo = new mymemo_t;
  
  /* Create memo */
  newmemo->sent = NOW;
  newmemo->status = 0;
  strlcpy (newmemo->sender, si->smu->name, NICKLEN);
  strlcpy (newmemo->text, memo->text, MEMOLEN);
  
  /* Create node, add to their linked list of memos */
  tmu->memos.insert (newmemo);
  tmu->memoct_new++;
  
  /* Should we email this? */
  if (tmu->flags & MU_EMAILMEMOS)
    {
      if (sendemail (si->su, EMAIL_MEMO, tmu, memo->text))
        {
          command_success_nodata (si, _("Your memo has been emailed to \2%s\2."), target);
          return;
        }
    }
  
  /* Note: do not disclose other nicks they're logged in with
   * -- jilles */
  tu = user_find_named (target);
  if (tu != NULL && tu->myuser == tmu)
    command_success_nodata (si, _("%s is currently online, and you may talk directly, by sending a private message."), target);
  if (si->su == NULL || !irccasecmp (si->su->nick, si->smu->name))
    tmu->notice (memosvs.nick, "You have a new forwarded memo from %s.", si->smu->name);
  else
    tmu->notice (memosvs.nick, "You have a new forwarded memo from %s (nick: %s).", si->smu->name, si->su->nick);
  
  command_success_nodata (si, _("The memo has been successfully forwarded to \2%s\2."), target);
  return;
}