; keepalive_f5.ahk
; Sends F5 to the AC window every 60 s via SendInput so DirectInput sees it.
; Brings AC to foreground briefly each pulse (focus-stealing is unavoidable
; for SendInput).
;
; Run with: AutoHotkey64.exe bin\keepalive_f5.ahk

#Requires AutoHotkey v2.0
#SingleInstance Force
SetTitleMatchMode 2

WinTitle := "ahk_class Turbine Device Class"
LogFile  := "C:\Users\acbot\leakhunt\artifacts\phase1\keepalive.log"

LogPulse(msg) {
    global LogFile
    FileAppend("[" FormatTime(A_Now, "yyyy-MM-dd HH:mm:ss") "] " msg "`n", LogFile)
}

LogPulse("AHK keepalive starting, alternating z/c (2s hold) every 600s (10 min)")

i := 0
Loop {
    if not WinExist(WinTitle) {
        LogPulse("AC window not present - waiting 10s")
        Sleep 10000
        continue
    }
    try {
        WinActivate(WinTitle)
        Sleep 200
        if (Mod(i, 2) = 0) {
            Send("{z down}")
            Sleep 2000
            Send("{z up}")
            LogPulse("pulse " i ": z held 2s")
        } else {
            Send("{c down}")
            Sleep 2000
            Send("{c up}")
            LogPulse("pulse " i ": c held 2s")
        }
        i := i + 1
    } catch as e {
        LogPulse("ERROR: " e.Message)
    }
    Sleep 600000  ; 10 min production interval
}