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/*
 * InspIRCd -- Internet Relay Chat Daemon
 *
 *   Copyright (C) 2015 Attila Molnar <attilamolnar@hush.com>
 *
 * This file is part of InspIRCd.  InspIRCd 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, version 2.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */


#pragma once

#include "event.h"

namespace Who
{
	class EventListener;
	class Request;
}

class Who::EventListener : public Events::ModuleEventListener
{
 public:
	EventListener(Module* mod)
		: ModuleEventListener(mod, "event/who")
	{
	}

	/** Called when a result from WHO is about to be queued.
	 * @param request Details about the WHO request which caused this response.
	 * @param source The user who initiated this WHO request.
	 * @param user The user that this line of the WHO request is about.
	 * @param memb The channel membership of the user or NULL if not targeted at a channel.
	 * @param numeric The numeric which will be sent in response to the request.
	 * @return MOD_RES_ALLOW to explicitly allow the response, MOD_RES_DENY to explicitly deny the
	 *         response, or MOD_RES_PASSTHRU to let another module handle the event.
	 */
	virtual ModResult OnWhoLine(const Request& request, LocalUser* source, User* user, Membership* memb, Numeric::Numeric& numeric) = 0;
};

class Who::Request
{
 public:
	/** The flags for matching users to include. */
	std::bitset<UCHAR_MAX> flags;

	/** Whether we are matching using a wildcard or a flag. */
	bool fuzzy_match;

	/** The text to match against. */
	std::string matchtext;

	/** The WHO/WHOX responses we will send to the source. */
	std::vector<Numeric::Numeric> results;

	/** Whether the source requested a WHOX response. */
	bool whox;

	/** The fields to include in the WHOX response. */
	std::bitset<UCHAR_MAX> whox_fields;

	/** A user specified label for the WHOX response. */
	std::string whox_querytype;

 protected:
	Request()
		: fuzzy_match(false)
		, whox(false)
	{
	}
};