PizzeriaDelPopolo

margherita = "right"
marinara = "bottom"
allowed = "left"
denied = "top"

pizzaType = true

local function searchUser(user)
    local userList = fs.open("users", "r")
    checkUser = string.find(userList.readAll(), user)
    userList.close()
    return checkUser
end

local function addUser(user)
    local userList = fs.open("users", "a")
  userList.writeLine(user)
  userList.close()
end

local function resetRedstone()
    rs.setOutput(margherita, false)
    rs.setOutput(marinara, false)
    rs.setOutput(allowed, false)
    rs.setOutput(denied, false)
end

local function resetList()
    if fs.exists("users") then
        fs.delete("users")
    end
    local userList = fs.open("users", "w")
    userList.writeLine("MegaAlbert4000")
    userList.close()
end

os.setAlarm(0)
resetRedstone()
resetList()

while true do
    local event, user = os.pullEvent()
    if event == "player" then
        local checkUser = searchUser(user)
        if checkUser == nil or checkUser == "" then
            addUser(user)
            if pizzaType then
                rs.setOutput(margherita, true)
            else
                rs.setOutput(marinara, true)
            end
            pizzaType = not pizzaType
            rs.setOutput(allowed, true)
      sleep(1)
      resetRedstone()
    else
        rs.setOutput(denied, true)
      sleep(1)
      resetRedstone()
        end
    elseif event == "alarm" then
        resetList()
    end
    sleep(1)
end