local logger = require "logger";

local lxp = require "lxp"

local init_xmlhandlers = require "core.xmlhandlers"

local sm_new_session = require "core.sessionmanager".new_session;

local connlisteners_register = require "net.connlisteners".register;

local t_insert = table.insert;

local t_concat = table.concat;

local t_concatall = function (t, sep) local tt = {}; for _, s in ipairs(t) do t_insert(tt, tostring(s)); end return t_concat(tt, sep); end

local m_random = math.random;

local format = string.format;

local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session; --import("core.sessionmanager", "new_session", "destroy_session");

local sm_streamopened = sessionmanager.streamopened;

local st = stanza;

local sessions = {};

local xmppclient = { default_port = 5222 };

-- These are session methods --

local function session_reset_stream(session)

	-- Reset stream

		session.parser = parser;

		session.notopen = true;

		function session.data(conn, data)

			parser:parse(data);

		end

		return true;

end

-- End of session methods --

function xmppclient.listener(conn, data)

	local session = sessions[conn];

	if not session then

		session = sm_new_session(conn);

		sessions[conn] = session;

		-- Logging functions --

		local mainlog, log = log;

		do

			local conn_name = tostring(conn):match("[a-f0-9]+$");

			log = logger.init(conn_name);

		end

		local print = function (...) log("info", t_concatall({...}, "\t")); end

		session.log = log;

		print("Client connected");

		session.reset_stream = session_reset_stream;

		session_reset_stream(session); -- Initialise, ready for use

		-- TODO: Below function should be session,stanza - and xmlhandlers should use :method() notation to call,

		-- this will avoid the useless indirection we have atm

		-- (I'm on a mission, no time to fix now)

		session.stanza_dispatch = function (stanza) return core_process_stanza(session, stanza); end

	end

	if data then

		session.data(conn, data);

	end

end

function xmppclient.disconnect(conn)

	local session = sessions[conn];

	if session then

		if session.last_presence and session.last_presence.attr.type ~= "unavailable" then

			local pres = st.presence{ type = "unavailable" };

			if err == "closed" then err = "connection closed"; end

			pres:tag("status"):text("Disconnected: "..err);

			session.stanza_dispatch(pres);

		end

		sm_destroy_session(session);

		sessions[conn]  = nil;

		session = nil;

		collectgarbage("collect");

	end

end

connlisteners_register("xmppclient", xmppclient);