# Configure qBittorrent: enable WebUI 8080, localhost auth bypass, autostart
$ErrorActionPreference = "Continue"

# locate qbittorrent.exe
$exe = $null
foreach ($c in @("C:\Program Files\qBittorrent\qbittorrent.exe","C:\Program Files (x86)\qBittorrent\qbittorrent.exe")) {
    if (Test-Path $c) { $exe = $c; break }
}
if (-not $exe) { Write-Output "ERR qbittorrent.exe not found"; exit 1 }
Write-Output "qbittorrent.exe: $exe"

# stop if running
Get-Process qbittorrent -ErrorAction SilentlyContinue | Stop-Process -Force
Start-Sleep 1

# write qBittorrent.ini
$cfgDir = "$env:APPDATA\qBittorrent"
New-Item -ItemType Directory -Force -Path $cfgDir | Out-Null
New-Item -ItemType Directory -Force -Path "C:\Downloads" | Out-Null
$ini = @(
'[LegalNotice]',
'Accepted=true',
'',
'[Preferences]',
'WebUI\Enabled=true',
'WebUI\Port=8080',
'WebUI\LocalHostAuth=false',
'WebUI\AuthSubnetWhitelistEnabled=true',
'WebUI\AuthSubnetWhitelist=127.0.0.1/8, ::1/128',
'WebUI\Username=admin',
'Downloads\SavePath=C:/Downloads/',
'General\Locale=zh'
)
Set-Content -Path "$cfgDir\qBittorrent.ini" -Value $ini -Encoding UTF8
Write-Output "qBittorrent.ini written"

# scheduled task: start at logon in interactive session
$me = "$env:USERDOMAIN\$env:USERNAME"
$action = New-ScheduledTaskAction -Execute $exe
$trigger = New-ScheduledTaskTrigger -AtLogOn
$principal = New-ScheduledTaskPrincipal -UserId $me -LogonType Interactive -RunLevel Highest
Register-ScheduledTask -TaskName "qbittorrent" -Action $action -Trigger $trigger -Principal $principal -Force | Out-Null
Start-ScheduledTask -TaskName qbittorrent
Start-Sleep 8

try { $r = Invoke-WebRequest "http://127.0.0.1:8080/" -UseBasicParsing -TimeoutSec 6; Write-Output ("qbit WebUI: " + $r.StatusCode) } catch { Write-Output ("qbit WebUI err: " + $_.Exception.Message) }
Write-Output "QBIT_DONE"