/*       +------------------------------------+
 *       | Inspire Internet Relay Chat Daemon |
 *       +------------------------------------+
 *
 *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
 *                       E-mail:
 *                <brain@chatspike.net>
 *           	  <Craig@chatspike.net>
 *     
 * Written by Craig Edwards, Craig McLure, and others.
 * This program is free but copyrighted software; see
 *            the file COPYING for details.
 *
 * ---------------------------------------------------
 */

#include <stdio.h>
#include <string>
#include "users.h"
#include "channels.h"
#include "modules.h"

/* $ModDesc: Provides support for /KNOCK and mode +K */

Server *Srv;
	 
void handle_knock(char **parameters, int pcnt, userrec *user)
{
	chanrec* c = Srv->FindChannel(parameters[0]);
	std::string line = "";

	for (int i = 1; i < pcnt - 1; i++)
	{
		line = line + std::string(parameters[i]) + " ";
	}
	line = line + std::string(parameters[pcnt-1]);

	if (c->IsCustomModeSet('K'))
	{
		WriteServ(user->fd,"480 %s :Can't KNOCK on %s, +K is set.",user->nick, c->name);
		return;
	}
	if (c->inviteonly)
	{
		WriteChannelWithServ((char*)Srv->GetServerName().c_str(),c,user,"NOTICE %s :User %s is KNOCKing on %s (%s)",c->name,user->nick,c->name,line.c_str());
		WriteServ(user->fd,"NOTICE %s :KNOCKing on %s",user->nick,c->name);
		return;
	}
	else
	{
		WriteServ(user->fd,"480 %s :Can't KNOCK on %s, channel is not invite only so knocking is pointless!",user->nick, c->name);
		return;
	}
}


class ModuleKnock : public Module
{
 public:
	ModuleKnock()
	{
		Srv = new Server;
		
		Srv->AddExtendedMode('K',MT_CHANNEL,false,0,0);
		Srv->AddCommand("KNOCK",handle_knock,0,2);
	}

        virtual void On005Numeric(std::string &output)
        {
                std::stringstream line(output);
                std::string temp1, temp2;
                while (!line.eof())
                {
                        line >> temp1;
                        if (temp1.substr(0,10) == "CHANMODES=")
                        {
                                // append the chanmode to the end
                                temp1 = temp1.substr(10,temp1.length());
                                temp1 = "CHANMODES=" + temp1 + "K";
                        }
                        temp2 = temp2 + temp1 + " ";
                }
		if (temp2.length())
	                output = temp2.substr(0,temp2.length()-1) + std::string(" KNOCK")
		else output = output + std::string(" KNOCK");
        }

	virtual ~ModuleKnock()
	{
		delete Srv;
	}
	
	virtual Version GetVersion()
	{
		return Version(1,0,0,1);
	}
	
	virtual int OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list &params)
	{
		// check if this is our mode character...
		if ((modechar == 'K') && (type == MT_CHANNEL))
  		{
			return 1;
		}
		else
		{
			return 0;
		}
	}

};

// stuff down here is the module-factory stuff. For basic modules you can ignore this.

class ModuleKnockFactory : public ModuleFactory
{
 public:
	ModuleKnockFactory()
	{
	}
	
	~ModuleKnockFactory()
	{
	}
	
	virtual Module * CreateModule()
	{
		return new ModuleKnock;
	}
	
};


extern "C" void * init_module( void )
{
	return new ModuleKnockFactory;
}