Giga minecraft elevator rails turner

local reader = peripheral.find("blockReader")
local integrator = peripheral.find("redstoneIntegrator")

while true do
    local data = reader.getBlockStates()
    print("First loop")
    if data["backwards"] == true then

        print("Backwards")

        if integrator.getAnalogInput("west") > 0 then
            integrator.setOutput("south", true)
            while true do
                local data1 = reader.getBlockStates()
                if data1["backwards"] == false then
                    integrator.setOutput("south",false)
                    break
                end
            end
        end
    elseif data["backwards"] == false then

        print("Not backwards")

        if integrator.getAnalogInput("east") > 0 then
            integrator.setOutput("south", true)
            while true do
                local data2 = reader.getBlockStates()
                if data2["backwards"] == true then
                    integrator.setOutput("south",false)
                    break
                end
            end
        end
    end
end