-- Prosody IM v0.2

-- Copyright (C) 2008 Matthew Wild

-- Copyright (C) 2008 Waqas Hussain

-- 

-- 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

--

local log = require "util.logger".init("componentmanager");

local module_load = require "core.modulemanager".load;

local module_unload = require "core.modulemanager".unload;

local jid_split = require "util.jid".split;

local hosts = hosts;

local components = {};

module "componentmanager"

function handle_stanza(origin, stanza)

	local node, host = jid_split(stanza.attr.to);

	local component = nil;

	if not component then component = components[stanza.attr.to]; end -- hack to allow hooking node@server/resource and server/resource

	if not component then component = components[node.."@"..host]; end -- hack to allow hooking node@server

	if not component then component = components[host]; end

	if component then

		log("debug", "stanza being handled by component: "..host);

		component(origin, stanza, hosts[host]);

	else

		log("error", "Component manager recieved a stanza for a non-existing component: " .. stanza.attr.to);

	end

end

function register_component(host, component)

	if not hosts[host] then

		-- TODO check for host well-formedness

		components[host] = component;

		hosts[host] = { type = "component", host = host, connected = true, s2sout = {} };

		-- FIXME only load for a.b.c if b.c has dialback, and/or check in config

		module_load(host, "dialback");

		log("debug", "component added: "..host);

		return hosts[host];

	else

		log("error", "Attempt to set component for existing host: "..host);

	end

end

	if components[host] then

		module_unload(host, "dialback");

		components[host] = nil;

		hosts[host] = nil;

		log("debug", "component removed: "..host);

		return true;

	else

		log("error", "Attempt to remove component for non-existing host: "..host);

	end

end

return _M;