/* NickServ core functions
 *
 * (C) 2003-2009 Anope Team
 * Contact us at team@anope.org
 *
 * Please read COPYING and README for further details.
 *
 * Based on the original code of Epona by Lara.
 * Based on the original code of Services by Andy Church.
 *
 * $Id$
 *
 */
/*************************************************************************/

#include "module.h"

#define TO_COLLIDE 0 /* Collide the user with this nick */
#define TO_RELEASE 1 /* Release a collided nick */

void myNickServHelp(User *u);

class CommandNSLogout : public Command
{
 public:
	CommandNSLogout() : Command("LOGOUT", 0, 2)
	{
	}

	CommandReturn Execute(User *u, std::vector<std::string> &params)
	{
		const char *nick = params.size() ? params[0].c_str() : NULL;
		const char *param = params.size() > 1 ? params[1].c_str() : NULL;
		User *u2;
		NickAlias *na;

		if (!is_services_admin(u) && nick)
			this->OnSyntaxError(u);
		else if (!(u2 = (nick ? finduser(nick) : u)))
			notice_lang(s_NickServ, u, NICK_X_NOT_IN_USE, nick);
		else if (!(na = findnick(u2->nick)))
		{
			if (nick)
				notice_lang(s_NickServ, u, NICK_X_NOT_REGISTERED, nick);
			else
				notice_lang(s_NickServ, u, NICK_NOT_REGISTERED);
		}
		else if (!nick && !nick_identified(u))
			notice_lang(s_NickServ, u, NICK_IDENTIFY_REQUIRED, s_NickServ);
		else if (nick && is_services_admin(u2))
			notice_lang(s_NickServ, u, NICK_LOGOUT_SERVICESADMIN, nick);
		else
		{
			if (nick && param && !stricmp(param, "REVALIDATE"))
			{
				cancel_user(u2);
				validate_user(u2);
			}
			else
			{
				na->status &= ~(NS_IDENTIFIED | NS_RECOGNIZED);
			}

			if (ircd->modeonreg)
				common_svsmode(u2, ircd->modeonunreg, "1");

			u2->isSuperAdmin = 0; /* Dont let people logout and remain a SuperAdmin */
			alog("%s: %s!%s@%s logged out nickname %s", s_NickServ, u->nick, u->GetIdent().c_str(), u->host, u2->nick);

			if (nick)
				notice_lang(s_NickServ, u, NICK_LOGOUT_X_SUCCEEDED, nick);
			else
				notice_lang(s_NickServ, u, NICK_LOGOUT_SUCCEEDED);

			/* Clear any timers again */
			if (u->nc->flags & NI_KILLPROTECT)
				del_ns_timeout(na, TO_COLLIDE);

			u2->nc = NULL;

			/* Send out an event */
			send_event(EVENT_NICK_LOGOUT, 1, u2->nick);
		}
		return MOD_CONT;
	}

	bool OnHelp(User *u, const std::string &subcommand)
	{
		if (is_services_admin(u))
			notice_help(s_NickServ, u, NICK_SERVADMIN_HELP_LOGOUT);
		else
			notice_help(s_NickServ, u, NICK_HELP_LOGOUT);

		return true;
	}

	void OnSyntaxError(User *u)
	{
		syntax_error(s_NickServ, u, "LOGOUT", NICK_LOGOUT_SYNTAX);
	}
};

class NSLogout : public Module
{
 public:
	NSLogout(const std::string &modname, const std::string &creator) : Module(modname, creator)
	{
		this->SetAuthor("Anope");
		this->SetVersion("$Id$");
		this->SetType(CORE);

		this->AddCommand(NICKSERV, new CommandNSLogout(), MOD_UNIQUE);

		this->SetNickHelp(myNickServHelp);
	}
};

/**
 * Add the help response to anopes /ns help output.
 * @param u The user who is requesting help
 **/
void myNickServHelp(User *u)
{
	notice_lang(s_NickServ, u, NICK_HELP_CMD_LOGOUT);
}

MODULE_INIT("ns_logout", NSLogout)