startup

mainId = 2
stationName = "Oak"
stationZone = 1

mon = peripheral.wrap("monitor_1")
mag = peripheral.wrap("back")
rfid = peripheral.wrap("top")
rednet.open("right")

function midPrint(text,sety)
  x,y = mon.getSize()
  len = string.len(text)
  setx = (x/2)-(len/2)+1
  mon.setCursorPos(setx,sety)
  mon.write(text)
end

rfid.scan()

while true do
  mon.clear()
  midPrint("Station " .. stationName,2)
  mag.setInsertCardLight(true)
  event,data = os.pullEvent()
  mag.setInsertCardLight(false)
  if event == "mag_swipe" then
    toSend = "2-" .. data .. "-" .. stationZone
    print(toSend)
    rednet.send(mainId,toSend)
    sId, msg = rednet.receive()
    if msg == "invalid" then
      midPrint("Sortie Interdite",4)
      os.sleep(3)
    else
      midPrint("A bientot",4)
      redstone.setOutput("bottom",true)
      os.sleep(5)
      redstone.setOutput("bottom",false)
    end
    os.reboot()
  elseif event == "rfid_scan_done" then
    rfid.scan(3)
  elseif event == "rfid_detected" then
    if data ~= "top" then
      toSend = "5-" .. data .. "-" .. stationZone
      rednet.send(mainId,toSend)
      sId, msg = rednet.receive()
      if msg == "invalid" then
        midPrint("Sortie interdite",4)
        os.sleep(3)
      else
        midPrint("Au revoir " .. data,4)
        redstone.setOutput("bottom",true)
        os.sleep(5)
        redstone.setOutput("bottom",false)
      end
    end
    os.reboot()
  end
end