/*
 *  NeoIRCd: NeoStats Group. Based on Hybird7
 *  motd.c: Message of the day functions.
 *
 *  Copyright (C) 2002 by the past and present ircd coders, and others.
 *
 *  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
 *
 *  $Id: motd.c,v 1.4 2002/10/31 13:01:58 fishwaldo Exp $
 */

#include "stdinc.h"

#include "tools.h"
#include "motd.h"
#include "ircd.h"
#include "fdlist.h"
#include "s_bsd.h"
#include "fileio.h"
#include "res.h"
#include "s_conf.h"
#include "class.h"
#include "send.h"
#include "numeric.h"
#include "client.h"
#include "irc_string.h"
#include "memory.h"

/*
** InitMessageFile
**
*/
void
InitMessageFile(MotdType motdType, char *fileName, MessageFile *motd)
  {
    strlcpy(motd->fileName, fileName, sizeof(motd->fileName));
    motd->motdType = motdType;
    motd->contentsOfFile = NULL;
    motd->lastChangedDate[0] = '\0';
  }

/*
** SendMessageFile
**
** This function split off so a server notice could be generated on a
** user requested motd, but not on each connecting client.
*/

int
SendMessageFile(struct Client *source_p, MessageFile *motdToPrint)
{
  MessageFileLine *linePointer;
  MotdType motdType;
  char *nick;

  if(motdToPrint != NULL)
    motdType = motdToPrint->motdType;
  else
    return -1;

  switch(motdType)
    {
    case USER_MOTD:
      nick = BadPtr(source_p->name) ? "*" : source_p->name;
      
      if (motdToPrint->contentsOfFile == (MessageFileLine *)NULL)
        {
          sendto_one(source_p, form_str(ERR_NOMOTD), me.name, nick);
          return 0;
        }

      sendto_one(source_p, form_str(RPL_MOTDSTART), me.name, nick, me.name);

      for(linePointer = motdToPrint->contentsOfFile;linePointer;
          linePointer = linePointer->next)
        {
          sendto_one(source_p,
                     form_str(RPL_MOTD),
                     me.name, nick, linePointer->line);
        }
      sendto_one(source_p, form_str(RPL_ENDOFMOTD), me.name, nick);
      return 0;
      /* NOT REACHED */
      break;

    case USER_LINKS:
      if (motdToPrint->contentsOfFile == (MessageFileLine *)NULL)
	return -1;

      for(linePointer = motdToPrint->contentsOfFile;linePointer;
          linePointer = linePointer->next)
        {
          sendto_one(source_p, ":%s 364 %s %s",
		     me.name, source_p->name, linePointer->line);
        }
      return 0;
      /* NOT REACHED */
      break;

    case OPER_MOTD:
      if (motdToPrint->contentsOfFile == (MessageFileLine *)NULL)
        {
/*          sendto_one(source_p, ":%s NOTICE %s :No OPER MOTD", me.name,
 *          source_p->name); */
          return -1;
        }
      sendto_one(source_p,":%s NOTICE %s :Start of OPER MOTD",me.name,source_p->name);
      break;

    default:
      return 0;
      /* NOT REACHED */
    }

  sendto_one(source_p,":%s NOTICE %s :%s",me.name,source_p->name,
             motdToPrint->lastChangedDate);


  for(linePointer = motdToPrint->contentsOfFile;linePointer;
      linePointer = linePointer->next)
    {
      sendto_one(source_p,
                 ":%s NOTICE %s :%s",
                 me.name, source_p->name, linePointer->line);
    }
  sendto_one(source_p, ":%s NOTICE %s :End", me.name, source_p->name);
  return 0;
}

/*
 * ReadMessageFile() - original From CoMSTuD, added Aug 29, 1996
 *
 * inputs	- pointer to MessageFileptr
 * output	-
 * side effects	-
 */

int 
ReadMessageFile(MessageFile *MessageFileptr)
{
  struct stat sb;
  struct tm *local_tm;
  
  /* used to clear out old MessageFile entries */
  MessageFileLine *mptr = 0;
  MessageFileLine *next_mptr = 0;

  /* used to add new MessageFile entries */
  MessageFileLine *newMessageLine = 0;
  MessageFileLine *currentMessageLine = 0;

  char buffer[MESSAGELINELEN];
  char *p;
  FBFILE* file;

  for(mptr = MessageFileptr->contentsOfFile; mptr; mptr = next_mptr)
    {
      next_mptr = mptr->next;
      MyFree(mptr);
    }

  MessageFileptr->contentsOfFile = NULL;
  if(stat(MessageFileptr->fileName, &sb) < 0)
    return -1;

  local_tm = localtime(&sb.st_mtime);

  if (local_tm)
    ircsprintf(MessageFileptr->lastChangedDate,
               "%d/%d/%d %d:%d",
               local_tm->tm_mday,
               local_tm->tm_mon + 1,
               1900 + local_tm->tm_year,
               local_tm->tm_hour,
               local_tm->tm_min);


  if((file = fbopen(MessageFileptr->fileName, "r")) == 0)
    return(-1);

  while(fbgets(buffer, MESSAGELINELEN, file))
    {
      if ((p = strchr(buffer, '\n')))
        *p = '\0';
      newMessageLine = (MessageFileLine*) MyMalloc(sizeof(MessageFileLine));

      strlcpy(newMessageLine->line, buffer, sizeof(newMessageLine->line));
      newMessageLine->next = (MessageFileLine *)NULL;

      if(MessageFileptr->contentsOfFile)
        {
          if (currentMessageLine)
            currentMessageLine->next = newMessageLine;
          currentMessageLine = newMessageLine;
        }
      else
        {
          MessageFileptr->contentsOfFile = newMessageLine;
          currentMessageLine = newMessageLine;
        }
    }

  fbclose(file);
  return(0);
}