ComputerCraft: Door Security System v2 (Controler)

password = ''
side = ''
waitTime = 0

etat = 0
menuSelectedId = 0

function os.pullEvent() -- Anti Ctrl+T (Terminate)
    local event, p1, p2, p3, p4, p5 = os.pullEventRaw()
    if event == 'terminate' then
        term.clear() -- Clear the screen
        term.setCursorPos(1,1)
        print('Sorry Ctrl+T is disabled.') -- Write
        print('Reboot...') -- Write
        sleep(1) -- Wait
        os.reboot()
    end
    return event, p1, p2, p3, p4, p5
end
function restoreEvent() -- Restore Events (disable Anti Ctrl+T)
    function os.pullEvent( _sFilter )
        local event, p1, p2, p3, p4, p5 = os.pullEventRaw( _sFilter )
        if event == 'terminate' then
            term.clear() -- Clear the screen
            term.setTextColor(colors.red) -- Set the color
            print('Terminated.') -- Write
            term.setTextColor(colors.white) -- Set the color
            error() -- Error (quit the program)
        end
        return event, p1, p2, p3, p4, p5
    end
end

function menu(menuId, text)
    if menuSelectedId == menuId then
        print('> ' .. text)
    else
        print('- ' .. text)
    end
end

function clear()
    term.clear() -- Clear the screen
    term.setCursorPos(1,1)
end
function printTR(text)
    w, h = term.getSize() -- Get Size of the screen
    term.setCursorPos(w - #text, 1)
    write(text) -- Write
end
function printTM(text)
    local w, h = term.getSize() -- Get Size of the screen
    term.setCursorPos((w - #text) / 2, 1)
    write(text) -- Write
end
function printC(text)
    local x, y = term.getSize() -- Get Size of the screen
    term.setCursorPos((x - string.len(text)) / 2, y / 2)
    write(text) -- Write
end
function reset()
    clear() -- Execute clear()
    write('Door Security') -- Write
    printTR('MatiIndustry') -- Write in right
    printTM('Controler') -- Write in middle
    w, h = term.getSize() -- Get Size of the screen
    print(string.rep('-', w)) write('\n') -- Write a separator (line of '-')
end

while true do
    -- Launch Message

    reset()
    print('This is the first time you launch the controler program.')
    print('Please configure it.')
    os.sleep(2)

    -- Set Password

    repeat
        reset()
        print('Wanted password:')
        print('(must be longer than four characters')
        write('> ')
        passwordTemp = read('*')

        if string.len(passwordTemp) > 4 then
            print('Great !')
            password = passwordTemp
            pass = 1
        elseif string.len(passwordTemp) == 4 then
            print('A bit short but it\'s okay.')
            password = passwordTemp
            pass = 1
        else
            print('It\'s too short !')
            print('It must be longer than four characters !')
        end
        os.sleep(2)
    until password ~= ''

    -- Set side

    repeat
        reset()
        print('Side where is the redstone: ')

        menu(0, 'Top side')
        menu(1, 'Bottom side')
        menu(2, 'Left side')
        menu(3, 'Right side')
        menu(4, 'Front side')
        menu(5, 'Back side')

        event, key = os.pullEvent('key')
        if key == 200 then
            if menuSelectedId > 0 then
                menuSelectedId = menuSelectedId - 1
            end
        elseif key == 208 then
            if  menuSelectedId < 5 then
                menuSelectedId = menuSelectedId + 1
            end
        elseif key == 28 then
            if menuSelectedId == 0 then
                print('Great. So we will use top side.')
                side = 'top'
                os.sleep(2)
            elseif menuSelectedId == 1 then
                print('Great. So we will use bbottomack side.')
                side = 'bottom'
                os.sleep(2)
            elseif menuSelectedId == 2 then
                print('Great. So we will use left side.')
                side = 'left'
                os.sleep(2)
            elseif menuSelectedId == 3 then
                print('Great. So we will use right side.')
                side = 'right'
                os.sleep(2)
            elseif menuSelectedId == 4 then
                print('Great. So we will use front side.')
                side = 'front'
                os.sleep(2)
            elseif menuSelectedId == 5 then
                print('Great. So we will use back side.')
                side = 'back'
                os.sleep(2)
            end
        end
        os.sleep(0.1)
    until side ~= ''

    -- Set Opening Time

    repeat
        reset()
        print('Opening time of the door:')
        print('(must be higher than three)')
        waitTimeTemp = tonumber(read())

        if waitTimeTemp > 3 then
            print('Great!')
            waitTime = waitTimeTemp
            pass = 1
        elseif waitTimeTemp == 3 then
            print('Three... It\'s okay but be careful.')
            waitTime = waitTimeTemp
            pass = 1
        else
            print('It\'s too low!')
            print('It must be higher than three!')
        end
        os.sleep(2)
    until waitTime ~= 0

    -- Message

    reset()
    print('Configuration finished.')
    os.sleep(2)

    -- Search for requests
    repeat
        reset()
        print('Searching request from autorised computers... (fake)')
        os.sleep(2)
    until false
end

os.reboot() -- Reboot (for security)