--ATM
print("Please insert a cc-casino branded disk!")

--while not fs.exists("/disk/money.lua") do
--    sleep()
--end

print("Would you like to [d]eposit, [w]ithdraw, or check your [b]alance?")

local function interactWithCard(nfc, mode, money)
    if mode == "updateBalance" then
        nfc.write(tostring(money))
        print("Please tap your card to update balance")
        while not os.pullEvent("nfc_write") do
            sleep(0)
        end
    end
    if mode == "getBalance" then
        print("Please tap your card to check balance")
        local blank, yes, money = os.pullEvent("nfc_data")
        return money
    end
end





local nfc = peripheral.wrap("bottom")
local answer = io.read()
--local db = fs.open("/disk2/log.log", "a")
--local id = disk.getID("bottom")
if answer == "d" or answer == "deposit" then

    local ironCount = turtle.getItemCount()
    --local card = fs.open("/disk/money.lua", "r")
    local money = tonumber(interactWithCard(nfc,"getBalance", nil))
    local item = turtle.getItemDetail()
    if item.name ~= "minecraft:iron_ingot" or item.name == nil then
        print("Please insert iron ingots!")
        sleep(1)
        shell.run("reboot")
    end

    --card.close()

    money = money + ironCount
    turtle.drop()

    --card = fs.open("/disk/money.lua", "w")
    interactWithCard(nfc, "updateBalance", money)
    --db.write(ironCount..id.."\n")
    --card.close()
    print("Your balance is now $"..money)
    
    sleep(2)
elseif answer == "w" or answer == "withdraw" then
    print("How much would you like to withdraw?")
    answer = tonumber(io.read())

    --local card = fs.open("/disk/money.lua", "r")
    local money = tonumber(interactWithCard(nfc, "getBalance", nil))

    --card.close()

    if answer > money then
        print("That's more than you have! Try again.")

        sleep(2)
    else
        money = money - answer

        print("You now have $"..money)

        turtle.suck(answer)
        interactWithCard(nfc, "updateBalance", money)
        --db.write(answer..id.."\n")
        --card = fs.open("/disk/money.lua", "w")
        --card.write(money)
        --card.close()

        sleep(2)
    end
elseif answer == "b" or answer == "balance" then
    --local card = fs.open("/disk/money.lua", "r")
    local money = tonumber(interactWithCard(nfc, "getBalance", nil))

    print("Your balance is $"..money)

    --card.close()

    sleep(2)
end

--db.close()
shell.run("reboot")