lock

local redstoneSide="bottom"
local buttons=peripheral.wrap("monitor_2")
local display=peripheral.wrap("monitor_3")

if buttons==nil then
    buttons=peripheral.wrap("monitor_5")
    display=peripheral.wrap("monitor_4")
end

local password="666"
local code={}

os.loadAPI("button")

function drawInput()
    display.clear()
    local screenx,screeny=display.getSize()
    local numberCount=#code
    for i=1,numberCount do
        display.setCursorPos(screenx/2-1,screeny/(numberCount+1)*i)
        display.write("*")
    end
end

function addNumber(buttonName)
    if buttonName=="X" then
        code={}
        drawInput()
    elseif buttonName==">" then
        local input=""
        for id,number in ipairs(code) do
            input=input..number
        end
        if tostring(input)==password then
            code={}
            drawInput()
            redstone.setOutput(redstoneSide,true)
            sleep(5)
            redstone.setOutput(redstoneSide,false)
        else
            code={}
            drawInput()
        end

    else
        code[#code+1]=buttonName
        drawInput()
    end
end

function setup()
    button.setMonitor(buttons)
    button.addButton(1,1,6,3,"1",addNumber,false,false,128,128)
    button.addButton(7,1,6,3,"2",addNumber,false,false,128,128)
    button.addButton(13,1,6,3,"3",addNumber,false,false,128,128)
    button.addButton(1,4,6,3,"4",addNumber,false,false,128,128)
    button.addButton(7,4,6,3,"5",addNumber,false,false,128,128)
    button.addButton(13,4,6,3,"6",addNumber,false,false,128,128)
    button.addButton(1,7,6,3,"7",addNumber,false,false,128,128)
    button.addButton(7,7,6,3,"8",addNumber,false,false,128,128)
    button.addButton(13,7,6,3,"9",addNumber,false,false,128,128)
    button.addButton(1,10,6,3,"X",addNumber,false,false,16384,16384)
    button.addButton(7,10,6,3,"0",addNumber,false,false,128,128)
    button.addButton(13,10,6,3,">",addNumber,false,false,8192,8192)
end
setup()

while true do
    button.run()
end