security

local sensorSide = "side_of_sensor" -- Replace with the side the sensor is connected to
local keycardSide = "side_of_keycard_reader" -- Replace with the side the keycard reader is connected to
local speakerSide = "side_of_speaker" -- Replace with the side the speaker is connected to
local monitorSide = "side_of_monitor" -- Replace with the side the monitor is connected to

local sensor = peripheral.wrap(sensorSide)
local keycard = peripheral.wrap(keycardSide)
local speaker = peripheral.wrap(speakerSide)
local monitor = peripheral.wrap(monitorSide)

local authorizedCards = {"CardID1", "CardID2"} -- Add authorized card IDs

local function activateAlarm()
    speaker.playSound("entity.enderman.stare", 1.0, 1.0) -- Adjust sound as needed
    monitor.clear()
    monitor.setTextColor(colors.red)
    monitor.setCursorPos(1, 1)
    monitor.write("INTRUDER ALERT!")
    -- Add more actions like notifying via chat or sending a redstone signal
end

while true do
    local event, side, xPos, yPos, player = os.pullEvent()

    if event == "keypad" and side == keycardSide then
        for _, id in ipairs(authorizedCards) do
            if player == id then
                print("Access granted for " .. player)
                break -- Authorized card detected, no need to check further
            else
                print("Unauthorized access attempt by " .. player)
                activateAlarm()
            end
        end
    elseif event == "motion" and side == sensorSide then
        print("Motion detected!")
        activateAlarm()
    end
end