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/*
 * InspIRCd -- Internet Relay Chat Daemon
 *
 *   Copyright (C) 2018 Sadie Powell <sadie@witchery.services>
 *   Copyright (C) 2012 Robby <robby@chatbelgie.be>
 *   Copyright (C) 2009 Robin Burchell <robin+git@viroteck.net>
 *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
 *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
 *   Copyright (C) 2006, 2010 Craig Edwards <brain@inspircd.org>
 *
 * 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/>.
 */


#include "inspircd.h"

CommandBase::CommandBase(Module* mod, const std::string& cmd, unsigned int minpara, unsigned int maxpara)
	: ServiceProvider(mod, cmd, SERVICE_COMMAND)
	, min_params(minpara)
	, max_params(maxpara)
	, allow_empty_last_param(true)
{
}

CommandBase::~CommandBase()
{
}

void CommandBase::EncodeParameter(std::string& parameter, unsigned int index)
{
}

RouteDescriptor CommandBase::GetRouting(User* user, const Params& parameters)
{
	return ROUTE_LOCALONLY;
}

Command::Command(Module* mod, const std::string& cmd, unsigned int minpara, unsigned int maxpara)
	: CommandBase(mod, cmd, minpara, maxpara)
	, flags_needed(0)
	, force_manual_route(false)
	, Penalty(1)
	, use_count(0)
	, works_before_reg(false)
{
}

Command::~Command()
{
	ServerInstance->Parser.RemoveCommand(this);
}

void Command::RegisterService()
{
	if (!ServerInstance->Parser.AddCommand(this))
		throw ModuleException("Command already exists: " + name);
}

void Command::TellNotEnoughParameters(LocalUser* user, const Params& parameters)
{
	user->WriteNumeric(ERR_NEEDMOREPARAMS, name, "Not enough parameters.");
	if (ServerInstance->Config->SyntaxHints && user->registered == REG_ALL && syntax.length())
		user->WriteNumeric(RPL_SYNTAX, name, syntax);
}

void Command::TellNotRegistered(LocalUser* user, const Params& parameters)
{
	user->WriteNumeric(ERR_NOTREGISTERED, name, "You have not registered.");
}

SplitCommand::SplitCommand(Module* me, const std::string& cmd, unsigned int minpara, unsigned int maxpara)
	: Command(me, cmd, minpara, maxpara)
{
}

CmdResult SplitCommand::Handle(User* user, const Params& parameters)
{
	switch (user->usertype)
	{
		case USERTYPE_LOCAL:
			return HandleLocal(static_cast<LocalUser*>(user), parameters);

		case USERTYPE_REMOTE:
			return HandleRemote(static_cast<RemoteUser*>(user), parameters);

		case USERTYPE_SERVER:
			return HandleServer(static_cast<FakeUser*>(user), parameters);
	}

	ServerInstance->Logs->Log("COMMAND", LOG_DEFAULT, "Unknown user type %d in command (uuid=%s)!",
		user->usertype, user->uuid.c_str());
	return CMD_INVALID;
}

CmdResult SplitCommand::HandleLocal(LocalUser* user, const Params& parameters)
{
	return CMD_INVALID;
}

CmdResult SplitCommand::HandleRemote(RemoteUser* user, const Params& parameters)
{
	return CMD_INVALID;
}

CmdResult SplitCommand::HandleServer(FakeUser* user, const Params& parameters)
{
	return CMD_INVALID;
}