module:set_global();

local measure = require"core.statsmanager".measure;

local valid_shows = {

	available = true,

	chat = true,

	away = true,

	dnd = true,

	xa = true,

	unavailable = true,

}

local counters = {

	available = measure("amount", "client_presence.available"),

	chat = measure("amount", "client_presence.chat"),

	away = measure("amount", "client_presence.away"),

	dnd = measure("amount", "client_presence.dnd"),

	xa = measure("amount", "client_presence.xa"),

	unavailable = measure("amount", "client_presence.unavailable"),

	invalid = measure("amount", "client_presence.invalid");

};

module:hook("stats-update", function ()

	local buckets = {

		available = 0,

		chat = 0,

		away = 0,

		dnd = 0,

		xa = 0,

		unavailable = 0,

		invalid = 0,

	};

	for _, session in pairs(full_sessions) do

		local status = "unavailable";

		if session.presence then

			status = session.presence:get_child_text("show") or "available";

		end

		if valid_shows[status] ~= nil then

			buckets[status] = buckets[status] + 1;

		else

			buckets.invalid = buckets.invalid + 1;

		end

	end

	for bucket, count in pairs(buckets) do

		counters[bucket](count)

	end

end)