ElevatorDisplayInstall.lua

-- Clear the screen at the beginning
term.clear()
term.setCursorPos(1,1)

-- Centered Menu Title
local w, h = term.getSize()
local title = "Elevator Display Control Download"
local menuLine1 = "Please input 1 for controller and 2 for receiver"
term.setCursorPos((w - #title) / 2, 2)
print(title)
term.setCursorPos((w - #menuLine1) / 2, 4)
print(menuLine1)

-- Function to get centered input
function centeredInput(line)
    term.setCursorPos((w - #menuLine1) / 2, line)
    return read()
end

-- Get user choice and validate input
local choice = centeredInput(6)
if choice ~= "1" and choice ~= "2" then
    print("Invalid choice. Please restart and input 1 or 2.")
    return
end

-- Functions to download and setup for controller and receiver
function setupController()
    shell.run("pastebin get bW4979ft controller")
    shell.run("pastebin get Wa7cyS89 setup")
    -- Create startup file
    local file = fs.open("startup", "w")
    file.writeLine("shell.run('controller')")
    file.close()
    -- Open controller setup program
    shell.run("setup")
end

function setupReceiver()
    shell.run("pastebin get CydZ2XTT receiver")
    shell.run("pastebin get 1xSfg2et setup")
    -- Create startup file
    local file = fs.open("startup", "w")
    file.writeLine("shell.run('receiver')")
    file.close()
    -- Open receiver setup program
    shell.run("setup")
end

-- Execute based on choice
if choice == "1" then
    setupController()
elseif choice == "2" then
    setupReceiver()
end