@echo off
rem ============================================================
rem  Download URL (notify.exe is fetched from here on first run) -- edit as needed
set "DOWNLOAD_URL=https://git.pchuan.top/cc-tools/notify/releases/download/v1.0.0/notify.exe"
rem ============================================================
setlocal
set "BIN=%~dp0..\bin"
set "EXE=%BIN%\notify.exe"
set "LOCK=%BIN%\notify.download.lock"

rem first run: kick off a background download, do NOT block the hook
if not exist "%EXE%" call :bootstrap

if exist "%EXE%" "%EXE%" %*
endlocal
exit /b

:bootstrap
if not exist "%BIN%" mkdir "%BIN%" 2>nul
rem mkdir is atomic; success = we start the download, failure = already downloading
mkdir "%LOCK%" 2>nul
if errorlevel 1 exit /b
if exist "%EXE%" ( rmdir "%LOCK%" 2>nul & exit /b )
rem launch a detached hidden PowerShell downloader (ShellExecute breaks away from the hook)
powershell -NoProfile -WindowStyle Hidden -Command "Start-Process -WindowStyle Hidden -FilePath powershell -ArgumentList @('-NoProfile','-ExecutionPolicy','Bypass','-File','%~dp0download.ps1','-Url','%DOWNLOAD_URL%','-Out','%EXE%','-Lock','%LOCK%')"
exit /b