station.lua

component = require("component")
detector = component.ir_augment_detector
control = component.ir_augment_control
event = require("event")
os = require("os")
internet = component.internet

stationName = "grassland"

url = "http://localhost:8011"
local readhash = "abe6db4c9f5484fae8d79f2e868a673c"
local updatehash = "abe6db4c9f5484fae8d79f2e868a673c"

while true do
  event.pull("ir_train_overhead")
  control.setThrottle(0)
  control.setBrake(1)
  detector.setTag("")
  tag = detector.getTag()

  if tag == nil or tag == "" then
    print("Unregistered train!")
    local registerAnswer
    repeat
      io.write("Register Train (y/n)? ")
      io.flush()
      registerAnswer=io.read()
    until registerAnswer=="y" or registerAnswer=="n"

    local newTag
    io.write("Write your train tag!")
    io.flush()
    newTag = io.read()

    local addHash = "abe6db4c9f5484fae8d79f2e868a673c"
    if answer == y then
      local handle = internet.request(url .. "/addTrain?tag=" .. newTag .. "&passHash=" .. addHash .. "&station=" .. stationName)
      print(handle.finishConnect())
    end
  else
    print(tag)
  end

  os.sleep(1)
end