enter_pin.lua

os.loadAPI("ATMApi.lua")

rednet.open("top")



os.pullEvent = os.pullEventRaw

local w,h = term.getSize()

function printCentered( y,s )
   local x = math.floor((w - string.len(s)) / 2)
   term.setCursorPos(x,y)
   term.clearLine()
   term.write(s)
end

password = ""
display = ""
nOption = ""

function menu(pass)
    term.clear()
    printCentered( math.floor(h/2) - 3, "Enter password")
    printCentered( math.floor(h/2) - 1, pass)
end

menu(display)


while true do
    local event, key = os.pullEvent("key")
    if key == keys.one then
        password = password .. "1"
        display = display .. "*"
        menu(display)
    elseif key == keys.two then
        password = password .. "2"
        display = display .. "*"
        menu(display)
    elseif key == keys.three then
        password = password .. "3"
        display = display .. "*"
        menu(display)
    elseif key == keys.four then
        password = password .. "4"
        display = display .. "*"
        menu(display)
    elseif key == keys.five then
        password = password .. "5"
        display = display .. "*"
        menu(display)
    elseif key == keys.six then
        password = password .. "6"
        display = display .. "*"
        menu(display)
    elseif key == keys.seven then
        password = password .. "7"
        display = display .. "*"
        menu(display)
    elseif key == keys.eight then
        password = password .. "8"
        display = display .. "*"
        menu(display)
    elseif key == keys.nine then
        password = password .. "9"
        display = display .. "*"
        menu(display)
    elseif key == keys.zero then
        password = password .. "0"
        display = display .. "*"
        menu(display)
    elseif key == keys.backspace then
        password = password:sub(1, #password - 1)
        display = display:sub(1, #display - 1)
        menu(display)
    elseif key == keys.enter then
        if ATMApi.cardIn() == true then
            message = ATMApi.getCardData()
            if message == nil then print("no") end
            if message ~= nil then
            --print(message.pass, password)
                if tostring(message.pass) == tostring(password) then
                    nOption = "true_pass"
                    break
                end
            end
        else shell.run("main")
        end
    end
        --if ATMApi.cardIn() == true then break end
end

if nOption == "true_pass" then shell.run("main_menu")
else shell.run("main") end