CC/Lightsystem

--left: emergency kill switch
--back: light sensor
--right: output for lights

function setLights(status)
    if (status ~= "on" and status ~= "off") then
        print("invalid status")
        return
    end

    if (status == "on") then
        rs.setOutput("right", true)
    elseif (status == "off") then
        rs.setOutput("right", false)
    end
end

kill = false
while (kill ~= true) do
    if (rs.getInput("left") == true) then kill = true end

    if (rs.getInput("back") == true) then
        setLights("off")
    elseif (rs.getInput("back") == false) then
        setLights("on")
    end
end