local component = require("component")
local event = require("event")
local os = require("os")

local doorControllers = {}
local cardReader = component.os_magreader

for address, name in component.list("os_doorcontroller", true) do
  table.insert(doorControllers, component.proxy(address))
end

GREEN_LED = 4
YELLOW_LED = 2
RED_LED = 1


local function magCardCallback(eventName, address, playerName, cardData, cardUniqueId, isCardLocked, side)
    -- bits for green, yellow and red leds
    cardReader.setLightState(YELLOW_LED)
    if cardData == "supertajneheslo" then
        cardReader.setLightState(GREEN_LED)
        -- open the doors
        for _, doorController in ipairs(doorControllers) do
            doorController.open()
        end
        os.sleep(3)
        -- close the doors
        for _, doorController in ipairs(doorControllers) do
            doorController.close()
        end
    else
        cardReader.setLightState(RED_LED)
        os.sleep(2)
    end
    -- turn light indicators off
    cardReader.setLightState(0)
end

-- control led indicators manually
cardReader.swipeIndicator(false)

-- subscribe to the event "magData" with
event.listen("magData", magCardCallback)

-- wait for an interrupt before closing the script (CTRL + C)
event.pull("interrupted")

-- unsubscribe from the event bus
event.ignore("magData", magCardCallback)