$ErrorActionPreference = 'Stop'

Set-Location -Path $PSScriptRoot
New-Item -ItemType Directory -Force -Path 'ouptsw' | Out-Null

$pidFile = Join-Path $PSScriptRoot 'ouptsw/wechat_algorithm_live.pid'
$outLogFile = Join-Path $PSScriptRoot 'ouptsw/wechat_algorithm_live.log'
$errLogFile = Join-Path $PSScriptRoot 'ouptsw/wechat_algorithm_live.err.log'

if (Test-Path $pidFile) {
  $oldPid = (Get-Content $pidFile -Raw).Trim()
  if ($oldPid) {
    $oldProcess = Get-Process -Id ([int]$oldPid) -ErrorAction SilentlyContinue
    if ($oldProcess) {
      Write-Host "WeChat algorithm live monitor is already running: pid=$oldPid"
      Write-Host 'Open http://127.0.0.1:8765/'
      exit 0
    }
  }
}

$python = Join-Path $PSScriptRoot 'venv/Scripts/python.exe'
if (-not (Test-Path $python)) {
  $python = Join-Path $PSScriptRoot '.venv/Scripts/python.exe'
}
if (-not (Test-Path $python)) {
  $python = 'python'
}

$args = @(
  'wechat_algorithm_live.py',
  '--fps', '30',
  '--host', '127.0.0.1',
  '--port', '8765',
  '--click-on-badge',
  '--llm-on-click',
  '--llm-on-chat-change',
  '--reply-on-chat-change',
  '--send-reply',
  '--typing-chunk-size', '2',
  '--typing-delay', '0.08'
)

$process = Start-Process -FilePath $python -ArgumentList $args -WorkingDirectory $PSScriptRoot -RedirectStandardOutput $outLogFile -RedirectStandardError $errLogFile -PassThru -WindowStyle Hidden
Set-Content -Path $pidFile -Value $process.Id -NoNewline

Write-Host "WeChat algorithm live monitor started: pid=$($process.Id)"
Write-Host 'Open http://127.0.0.1:8765/'
Write-Host "Log: $outLogFile"
Write-Host "Error log: $errLogFile"