Glasses API

local glasses = peripheral.wrap("top");
rednet.open("right");
local protocol = "API";
local furnaceStatus = "Offline";

glasses.clear();
function main()
    while true do
        local address = rednet.lookup("API", "FurnaceSystem");
        if address ~= nil then
            rednet.send(address, "getFurnaceData", protocol);
            local from, message = rednet.receive(protocol, 1);
            furnaceStatus = message;
            if furnaceStatus == nil then furnaceStatus = "Offline" end
            print(furnaceStatus);
        end
        sleep(0);
    end
end

function updateGlasses()
    while true do
        glasses.clear();
        glasses.drawString("Furnace Status: ", 7, 200, 0xFFFFFF);
        -- if furnaceStatus == "Offline" then
        --     glasses.drawString("Offline             ", 90, 200, 0xFF0000);
        -- elseif furnaceStatus == "Partially Online" then
        --     glasses.drawString("Partially Online          ", 90, 200, 0xFF9700);
        -- elseif  furnaceStatus == "Online" then
        --     glasses.drawString("Online             ", 90, 200, 0x00FF00);
        -- end
        sleep(1)
    end
end

parallel.waitForAny(main, updateGlasses);