module:depends("http");

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

local b64 = require "util.encodings".base64.encode;

local sha1 = require "util.hashes".sha1;

local function require_resource(name)

	local icon_path = module:get_option_string("presence_icons", "icons");

	local f, err  = module:load_resource(icon_path.."/"..name);

	if f then

		return f:read("*a");

	end

	module:log("warn", "Failed to open image file %s", icon_path..name);

	return "";

end

local statuses = { online = {}, away = {}, xa = {}, dnd = {}, chat = {}, offline = {} };

--[[for status, _ in pairs(statuses) do

	statuses[status].image = { status_code = 200, headers = { content_type = "image/png" },

		body = require_resource("status_"..status..".png") };

	statuses[status].text = { status_code = 200, headers = { content_type = "text/plain" },

		body = status };

end]]

local function handle_request(event, path)

	local status, message;

	local jid, type = path:match("([^/]+)/?(.*)$");

	if jid then

		local user, host = jid_split(jid);

		if host and not user then

			user, host = host, event.request.headers.host;

			if host then host = host:gsub(":%d+$", ""); end

		end

		if user and host then

			local user_sessions = hosts[host] and hosts[host].sessions[user];

			if user_sessions then

				status = user_sessions.top_resources[1];

				if status and status.presence then

					message = status.presence:child_with_name("status");

					status = status.presence:child_with_name("show");

					if not status then

						status = "online";

					else

						status = status:get_text();

					end

					if message then

						message = message:get_text();

					end

				end

			end

		end

	end

	status = status or "offline";

	if type == "" then type = "image" end;

	if type == "image" then 

		statuses[status].image = { status_code = 200, headers = { content_type = "image/png" }, 

			body = require_resource("status_"..status..".png") };

	elseif type == "html" then

		statuses[status].html = { status_code = 200, headers = { content_type = "text/html" },

						[[src="data:image/png;base64,]]..

						b64(require_resource("status_"..status..".png"))..[[">]]..

						[[class="xmpp_status_name">]]..status..[[</span>]]..

						[[class="xmpp_status_message">]]..message..[[</span>]] or "")..

				[[</div>]] };

	elseif type == "text" then

		statuses[status].text = { status_code = 200, headers = { content_type = "text/plain" },

			body = status };

	elseif type == "message" then

		statuses[status].message = { status_code = 200, headers = { content_type = "text/plain" },

			body = (message and message or "") };

	end

	return statuses[status][type];

end

module:provides("http", {

	default_path = "/status";

	route = {

		["GET /*"] = handle_request;

	};

});