Shop Currency 2

local Items = {"minecraft:coal_ore","minecraft:iron_ore","minecraft:gold_ore","minecraft:redstone"}
local Payment = {"currency:hundred_dollar_bill"}
local Amount = {64,16,2,32}

local function start()
Menu()
Options()
os.reboot()
end

local function Buy(ID)
if commands.exec("clear @p currency:hundred_dollar_bill 1") == true then commands.exec("give @p "..Items[ID].." "..Amount[ID]) end
end

function Menu()
term.setBackgroundColor(colors.white)
term.setTextColor(colors.black)
term.clear()
term.setCursorPos(1,1)
print("Import Shop - everything for $100")
end


function Options()
local n = 0
local T = 1
local a, b, c
repeat
    for i = 1, #Items do
        term.setCursorPos(1,i + 1)
        if T == i then term.write(">> "..i.." - "..Items[i].." x"..Amount[i]) else term.write(i.." - "..Items[i].." x"..Amount[i]) end
    end
    a, b, c = os.pullEvent("key")
    if b == keys.w and T > 1 then T = T - 1 end
    if b == keys.s and T < #Items then T = T + 1 end
    if b == keys.enter then n = T end
until n ~= 0
Buy(n)
end

start()