LUA refinery cilent

local off = "off"
local on = "on"
local modemside = "right"
local server = 0
local pass = "random" -- you for got this
local function screenWipe()
    term.clear()
    term.setCursorPos(1, 1)
end
function OilChoice()
    while true do
        local id, response
        screenWipe()
        print("Oil Tank Pump Control")
        rednet.send(server, "oilstat")
        repeat
            id, response = rednet.receive(1)
        until id == server
        if response == "on" then
            print("Pumps are currently on, would you like to disable? Y/N?")
            input = string.lower(read())
            if input == "y" then
                print("Disabling Oil Pumps...")
                rednet.send(server, "oiloff")
                repeat
                    id, response = rednet.receive(1)
                until id == server
                if response == "complete" then
                    print("Oil Pumps disabled!")
                    sleep(2)
                else
                    print("Error recieving return message.  Please contact server admin.")
                end
            else
                return
            end
        elseif response == "off" then
            print("Pumps are currently off, would you like to enable? Y/N?")
            input = string.lower(read())
            if input == "y" then
                print("Enabling Oil Pumps...")
                rednet.send(server, "oilon")
                repeat
                    id, response = rednet.receive(1)
                until id == server
                if response == "complete" then
                    sleep(1)
                    print("Oil Pumps enabled!")
                    sleep(2)
                else
                    print("Error recieving return message.  Please contact server admin.")
                end
            else
                return
            end
        else
            print("Error recieving return message.  Please contact server admin.")
        end
    end
end
function FuelChoice()
    while true do
        local id, response
        screenWipe()
        print("Fuel Pump Control")
        rednet.send(server, "fuelstat")
        repeat
            id, response = rednet.receive(1)
        until id == server
        if response == "on" then
            print("Pumps are currently on, would you like to disable? Y/N?")
            input = string.lower(read())
            if input == "y" then
                print("Disabling Fuel Pumps...")
                rednet.send(server, "fueloff")
                repeat
                    id, response = rednet.receive(1)
                until id == server
                if response == "complete" then
                    sleep(1)
                    print("Fuel Pumps disabled!")
                    sleep(2)
                else
                    print("Error recieving return message.  Please contact server admin.")
                end
            else
                return
            end
        elseif response == "off" then
            print("Pumps are currently off, would you like to enable? Y/N?")
            input = string.lower(read())
            if input == "y" then
                print("Enabling Fuel Pumps...")
                rednet.send(server, "fuelon")
                repeat
                    id, response = rednet.receive(1)
                until id == server
                if response == "complete" then
                    sleep(1)
                    print("Fuel Pumps enabled!")
                    sleep(2)
                else
                    print("Error recieving return message.  Please contact server admin.")
                end
            else
                return
            end
        else
            print("Error recieving return message.  Please contact server admin.")
        end
    end
end
function RefineryChoice()
    while true do
        local id, response
        screenWipe()
        print("Refinery Pump Control")
        rednet.send(server, "refinerystat")
        repeat
            id, response = rednet.receive(1)
        until id == server
        if response == "on" then
            print("Pumps are currently on, would you like to disable? Y/N?")
            input = string.lower(read())
            if input == "y" then
                print("Disabling Refinery Pumps...")
                rednet.send(server, "refineryoff")
                repeat
                    id, response = rednet.receive(1)
                until id == server
                if response == "complete" then
                    sleep(1)
                    print("Refinery Pumps disabled!")
                    sleep(2)
                else
                    print("Error recieving return message.  Please contact server admin.")
                end
            else
                return
            end
        elseif response == "off" then
            print("Pumps are currently off, would you like to enable? Y/N?")
            input = string.lower(read())
            if input == "y" then
                print("Enabling Refinery Pumps...")
                rednet.send("refineryon")
                repeat
                    id, response = rednet.receive(1)
                until id == server
                if response == "complete" then
                    sleep(1)
                    print("Refinery Pumps enabled!")
                    sleep(2)
                else
                    print("Error recieving return message. Please contact server admin.")
                end
            else
                return
            end
        else
            return
        end
    end
end
function MainMenu()
    while true do
        term.clear()
        term.setCursorPos(1, 1)
        print("Remote Refinery Control")
        print("Please choose a system")
        print("1. Oil Tank pumps")
        print("2. Fuel Tank Pumps")
        print("3. Refinery Control")
        input = read()
        if input == "1" then
            OilChoice()
        elseif input == "2" then
            FuelChoice()
        elseif input == "3" then
            RefineryChoice()
        end
    end
end

rednet.open(modemside)
while true do
    screenWipe()
    print("************Remote Refinery Control************")
    print("Please Remember to hold Ctrl+R after you finish!")
    print("Password:")
    input = read("*")
    if input == pass then
        print("Password Correct!")
        sleep(1)
        MainMenu()
    elseif input == "Xieylu" then    -- fixed here
        print("Program Ended")
        break
    else
    print("Password Incorrect!")
    sleep(2)
    end
end