Twitch Chat in minecraft

google = peripheral.wrap("top")
chat = peripheral.wrap("right")
os.loadAPI("json")
monitor = peripheral.wrap("back")
monitor.setBackgroundColor(colors.black)
monitor.clear()
google.clear()
monitor.setTextScale(1.7)
write = "test"

while true do

    dat = http.get("http://51.83.42.69:9000/data.json").readAll()
    data = json.decode(dat)

    colo = colors[data.color]
    username = data.username
    message = data.message

    print(colo)

    if write == message then
    else
        monitor.scroll(-3)

        monitor.setCursorPos(1,1)
        monitor.setTextColor(colors.white)
        monitor.write("---------------------------------------------------")
        monitor.setCursorPos(1,2)
        monitor.setTextColor(colo)
        monitor.write(username.." : "..message)
        chat.sendMessage(username.." : "..message)
        google.clear()
        google.drawCenteredString(username.." : "..message,400,10,100000000000000000000)
        monitor.setCursorPos(1,3)
        monitor.setTextColor(colors.white)
        monitor.write("---------------------------------------------------")

        write = message
        redstone.setOutput("left",true)
        sleep(0.1)
        redstone.setOutput("left",false)
    end

    sleep(0.1)

end