;;Includes
#include <ButtonConstants.au3>
#include <EditConstants.au3>
#include <GUIConstantsEx.au3>
#include <GuiImageList.au3>
#include <GuiListView.au3>
#include <MsgBoxConstants.au3>
#include <StringConstants.au3>
#include <WinAPIFiles.au3>
#include <WindowsConstants.au3>

Global $SS_CENTER
Global $_CountdownTime
Global $_Minutes
Global $_Seconds
Global $TimeTicks
Global $TimeLabel
Global $_GuiCountDown
Global $EnterMinutes
Global $EnterSeconds
Global $StartButton
Global $Minutes
Global $Seconds
Global $_GuiEnterTime
Dim $aPanelCSV[0]

;Main function to trigger everything
Main()

Func Main()
	EnterTimeGUI()
	EnterTime()
EndFunc

Func PanelCount()
	;stuff that works in the real script
EndFunc

;Primary function for entering in the countdown duration
Func EnterTimeGUI()
	;;Create a GUI
	$_GuiEnterTime = GUICreate ( "Enter Start Time", 300, 150)
	Opt("GUIOnEventMode", 0)
	GUISetBkColor ( 0xFFFFFF )
	GUISetFont(10,0,0)
	$EnterLabel = GUICtrlCreateLabel ( "Minutes", 100,15,100,35)
	$EnterLabel = GUICtrlCreateLabel ( "Seconds", 160,15,100,35)
	GUISetFont(13.5,0,0)
	$EnterMinutes = GUICtrlCreateInput ("",105,35,45,35,$ES_NUMBER)
	$EnterSeconds = GUICtrlCreateInput ("",155,35,45,35,$ES_NUMBER)
	GUISetFont(12,0,0)
	$StartButton = 	GUICtrlCreateButton	("Start",110,80,80,50)
	GUISetState (@SW_SHOW,$_GuiEnterTime)
EndFunc

Func EnterTime()
	GUISetState (@SW_SHOW,$_GuiEnterTime)
	Opt("GUIOnEventMode", 0)
	While 1
		$MSG = GUIGetMsg()
		Select
			Case $MSG = $GUI_EVENT_CLOSE
				;Exit
				MsgBox(4000,"DEBUG: Enter Time","enter time close button pressed")
			;;Start button for countdown
			Case $MSG = $StartButton
				$Minutes = GUICtrlRead($EnterMinutes)
				$Seconds = GUICtrlRead($EnterSeconds)
				;Math for the WallTime and local countdown functions
 				$Paneltime = (((60 * $Minutes) + $Seconds))
 				$_CountdownTime =(((60000 * $Minutes) + (1000 * $Seconds))+1000)
				Sleep(100)
				GUISetState (@SW_HIDE,$_GuiEnterTime)
				;;Function starts the countdown timer on the WallTime panels
				PanelCountDown()
				;;starts the function for local countdown
				CountDownGUI()
				ComputerCountDown()

		EndSelect
	WEnd
EndFunc

#cs
Local countdown--this was mostly taken from Wakillon's post in April of 2011, then modified for my use case. Full credit to Wakillon for this part.
https://www.autoitscript.com/forum/topic/127667-how-to-create-a-countdown-timer-in-autoit/
#ce

Func CountDownGUI()
;;Countdown GUI
	$_GuiCountDown = GUICreate ( "CountDown...", 500, 200, @DesktopWidth/2 -250, @DesktopHeight/2 -100)
	GUISwitch ($_GuiCountDown)
	Opt("GUIOnEventMode", 1)
	GUISetOnEvent($GUI_EVENT_CLOSE, "StopCountdown")
	GUISetBkColor ( 0xFFFFFF )
	$TimeLabel = GUICtrlCreateLabel ( "", 35, -10, 480, 180, $SS_CENTER )
	GUICtrlSetFont ( -1, 125, 800 )
	GUISetState (@SW_SHOW,$_GuiCountDown)
	;WinSetOnTop ( $_GuiCountDown, "", 1 )
	$TimeTicks = TimerInit ( )
EndFunc

Func ComputerCountDown()
	While 1
		;;calls the function to begin the countdown
		Check ( )
		Sleep (200)

	WEnd
EndFunc

Func Check ( )
	$_CountdownTime -= TimerDiff ( $TimeTicks )
    $TimeTicks = TimerInit ( )
    Local $_MinCalc = Int ( $_CountdownTime / ( 60 * 1000 ) ), $_SecCalc = $_CountdownTime - ( $_MinCalc * 60 * 1000 )
    $_SecCalc = Int ( $_SecCalc / 1000 )

    If $_MinCalc <= 0 And $_SecCalc <= 0 Then
		;;steps through one second at a time
        Sleep ( 250 )
		;;when it's done it removes the GUI and goes back to the entry interface
		GUIDelete ($_GuiCountDown)
		EnterTime()

    Else
		;;changes colors of the GUI for the last 10 seconds
        If $_MinCalc <> $_Minutes Or $_SecCalc <> $_Seconds Then
            $_Minutes = $_MinCalc
            $_Seconds = $_SecCalc
            GUICtrlSetData ( $TimeLabel, StringFormat ( "%02u" & ":" & "%02u", $_Minutes, $_Seconds ) )
            If $_Minutes = 0 And $_Seconds <= 10 Then
				GUISetBkColor ( 0xA093FF, $_GuiCountDown )
            EndIf
        EndIf
	EndIf
EndFunc

Func PanelCountdown()
;;this part works fine, part of an external system I'm triggering via UDP sends
EndFunc

Func StopCountdown()
	MSGBox(4000,"DEBUG: Countdown Close","Countdown close button pressed")
	;more UDP stuff that works fine
	GUIDelete($_GuiCountDown)
	;;Back to the input interface
	EnterTime()
EndFunc